X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=bacula%2Fkernstodo;h=fb4d119620ab4ea9ac4f620d6f3b3f4964fdc017;hb=7e431334dbb1be87bcf560a597e808d6d609ebdd;hp=381b4120249867475b923eb9dabd1128284a8199;hpb=7132fea9318e92f7188842ffca6e4485e52e07cb;p=bacula%2Fbacula diff --git a/bacula/kernstodo b/bacula/kernstodo index 381b412024..fb4d119620 100644 --- a/bacula/kernstodo +++ b/bacula/kernstodo @@ -1,11 +1,10 @@ Kern's ToDo List - 12 November 2006 + 02 May 2008 -Major development: -Project Developer -======= ========= Document: +- !!! Cannot restore two jobs a the same time that were + written simultaneously unless they were totally spooled. - Document cleaning up the spool files: db, pid, state, bsr, mail, conmsg, spool - Document the multiple-drive-changer.txt script. @@ -39,32 +38,221 @@ Document: - Document more precisely how to use master keys -- especially for disaster recovery. +Professional Needs: +- Migration from other vendors + - Date change + - Path change +- Filesystem types +- Backup conf/exe (all daemons) +- Backup up system state +- Detect state change of system (verify) +- Synthetic Full, Diff, Inc (Virtual, Reconstructed) +- SD to SD +- Modules for Databases, Exchange, ... +- Novell NSS backup http://www.novell.com/coolsolutions/tools/18952.html +- Compliance norms that compare restored code hash code. +- When glibc crash, get address with + info symbol 0x809780c +- How to sync remote offices. +- Exchange backup: + http://www.microsoft.com/technet/itshowcase/content/exchbkup.mspx +- David's priorities + Copypools + Extract capability (#25) + Continued enhancement of bweb + Threshold triggered migration jobs (not currently in list, but will be + needed ASAP) + Client triggered backups + Complete rework of the scheduling system (not in list) + Performance and usage instrumentation (not in list) + See email of 21Aug2007 for details. +- Look at: http://tech.groups.yahoo.com/group/cfg2html + and http://www.openeyet.nl/scc/ for managing customer changes Priority: +================ +- Can be posible modify package to create and use configuration files in + the Debian manner? + + For example: + + /etc/bacula/bacula-dir.conf + /etc/bacula/conf.d/pools.conf + /etc/bacula/conf.d/clients.conf + /etc/bacula/conf.d/storages.conf + + and into bacula-dir.conf file include + + @/etc/bacula/conf.d/pools.conf + @/etc/bacula/conf.d/clients.conf + @/etc/bacula/conf.d/storages.conf +- Possibly add an Inconsistent state when a Volume is in error + for non I/O reasons. +- Fix #ifdefing so that smartalloc can be disabled. Check manual + -- the default is enabled. +- Change calling sequence to delete_job_id_range() in ua_cmds.c + the preceding strtok() is done inside the subroutine only once. +- Dangling softlinks are not restored properly. For example, take a + soft link such as src/testprogs/install-sh, which points to /usr/share/autoconf... + move the directory to another machine where the file /usr/share/autoconf does + not exist, back it up, then try a full restore. It fails. +- Softlinks that point to non-existent file are not restored in restore all, + but are restored if the file is individually selected. BUG! +- New directive "Delete purged Volumes" +- Prune by Job +- Prune by Job Level (Full, Differential, Incremental) +- Strict automatic pruning +- Implement unmount of USB volumes. +- Use "./config no-idea no-mdc2 no-rc5" on building OpenSSL for + Win32 to avoid patent problems. +- Implement multiple jobid specification for the cancel command, + similar to what is permitted on the update slots command. +- Implement Bacula plugins -- design API +- modify pruning to keep a fixed number of versions of a file, + if requested. +- the cd-command should allow complete paths + i.e. cd /foo/bar/foo/bar + -> if a customer mails me the path to a certain file, + its faster to enter the specified directory +- Make tree walk routines like cd, ls, ... more user friendly + by handling spaces better. +=== rate design + jcr->last_rate + jcr->last_runtime + MA = (last_MA * 3 + rate) / 4 + rate = (bytes - last_bytes) / (runtime - last_runtime) +- Add a recursive mark command (rmark) to restore. +- "Minimum Job Interval = nnn" sets minimum interval between Jobs + of the same level and does not permit multiple simultaneous + running of that Job (i.e. lets any previous invocation finish + before doing Interval testing). +- Look at simplifying File exclusions. +- Scripts +- Auto update of slot: + rufus-dir: ua_run.c:456-10 JobId=10 NewJobId=10 using pool Full priority=10 + 02-Nov 12:58 rufus-dir JobId 10: Start Backup JobId 10, Job=kernsave.2007-11-02_12.58.03 + 02-Nov 12:58 rufus-dir JobId 10: Using Device "DDS-4" + 02-Nov 12:58 rufus-sd JobId 10: Invalid slot=0 defined in catalog for Volume "Vol001" on "DDS-4" (/dev/nst0). Manual load my be required. + 02-Nov 12:58 rufus-sd JobId 10: 3301 Issuing autochanger "loaded? drive 0" command. + 02-Nov 12:58 rufus-sd JobId 10: 3302 Autochanger "loaded? drive 0", result is Slot 2. + 02-Nov 12:58 rufus-sd JobId 10: Wrote label to prelabeled Volume "Vol001" on device "DDS-4" (/dev/nst0) + 02-Nov 12:58 rufus-sd JobId 10: Alert: TapeAlert[7]: Media Life: The tape has reached the end of its useful life. + 02-Nov 12:58 rufus-dir JobId 10: Bacula rufus-dir 2.3.6 (26Oct07): 02-Nov-2007 12:58:51 +- Separate Files and Directories in catalog +- Create FileVersions table +- Look at rsysnc for incremental updates and dedupping +- Add MD5 or SHA1 check in SD for data validation +- finish implementation of fdcalled -- see ua_run.c:105 +- Fix problem in postgresql.c in my_postgresql_query, where the + generation of the error message doesn't differentiate result==NULL + and a bad status from that result. Not only that, the result is + cleared on a bail_out without having generated the error message. +- KIWI +- Implement SDErrors (must return from SD) +- Implement USB keyboard support in rescue CD. +- Implement continue spooling while despooling. +- Remove all install temp files in Win32 PLUGINSDIR. +- Audit retention periods to make sure everything is 64 bit. +- No where in restore causes kaboom. +- Performance: multiple spool files for a single job. +- Performance: despool attributes when despooling data (problem + multiplexing Dir connection). +- Make restore use the in-use volume reservation algorithm. +- When Pool specifies Storage command override does not work. +- Implement wait_for_sysop() message display in wait_for_device(), which + now prints warnings too often. +- Ensure that each device in an Autochanger has a different + Device Index. +- Look at sg_logs -a /dev/sg0 for getting soft errors. +- btape "test" command with Offline on Unmount = yes + + This test is essential to Bacula. + + I'm going to write one record in file 0, + two records in file 1, + and three records in file 2 + + 02-Feb 11:00 btape: ABORTING due to ERROR in dev.c:715 + dev.c:714 Bad call to rewind. Device "LTO" (/dev/nst0) not open + 02-Feb 11:00 btape: Fatal Error because: Bacula interrupted by signal 11: Segmentation violation + Kaboom! btape, btape got signal 11. Attempting traceback. + +- Encryption -- email from Landon + > The backup encryption algorithm is currently not configurable, and is + > set to AES_128_CBC in src/filed/backup.c. The encryption code + > supports a number of different ciphers (as well as adding arbitrary + > new ones) -- only a small bit of code would be required to map a + > configuration string value to a CRYPTO_CIPHER_* value, if anyone is + > interested in implementing this functionality. + +- Figure out some way to "automatically" backup conf changes. +- Add the OS version back to the Win32 client info. +- Restarted jobs have a NULL in the from field. +- Modify SD status command to indicate when the SD is writing + to a DVD (the device is not open -- see bug #732). +- Look at the possibility of adding "SET NAMES UTF8" for MySQL, + and possibly changing the blobs into varchar. - Ensure that the SD re-reads the Media record if the JobFiles does not match -- it may have been updated by another job. -- Look at moving the Storage directive from the Job to the - Pool in the default conf files. -- Make sure the new level=Full syntax is used in all - example conf files (especially in the manual). -- Fix prog copyright (SD) all other files. -- Migration Volume span bug -- Rescue release -- Bug reports -- Test FIFO backup/restore -- make regression - Doc items -- Add encryption regression tests - Test Volume compatibility between machine architectures - Encryption documentation - Wrong jobbytes with query 12 (todo) -- bacula-1.38.2-ssl.patch - Bare-metal recovery Windows (todo) -- Document need for UTF-8 format - - - -For 1.39: -- Implement Python event for backing up/restoring a file. + + +Projects: +- Pool enhancements + - Access Mode = Read-Only, Read-Write, Unavailable, Destroyed, Offsite + - Pool Type = Copy + - Maximum number of scratch volumes + - Maximum File size + - Next Pool (already have) + - Reclamation threshold + - Reclamation Pool + - Reuse delay (after all files purged from volume before it can be used) + - Copy Pool = xx, yyy (or multiple lines). + - Catalog = xxx + - Allow pool selection during restore. + +- Average tape size from Eric + SELECT COALESCE(media_avg_size.volavg,0) * count(Media.MediaId) AS volmax, GROUP BY Media.MediaType, Media.PoolId, media_avg_size.volavg + count(Media.MediaId) AS volnum, + sum(Media.VolBytes) AS voltotal, + Media.PoolId AS PoolId, + Media.MediaType AS MediaType + FROM Media + LEFT JOIN (SELECT avg(Media.VolBytes) AS volavg, + Media.MediaType AS MediaType + FROM Media + WHERE Media.VolStatus = 'Full' + GROUP BY Media.MediaType + ) AS media_avg_size ON (Media.MediaType = media_avg_size.MediaType) + GROUP BY Media.MediaType, Media.PoolId, media_avg_size.volavg +- GUI + - Admin + - Management reports + - Add doc for bweb -- especially Installation + - Look at Webmin + http://www.orangecrate.com/modules.php?name=News&file=article&sid=501 +- Performance + - Despool attributes in separate thread + - Database speedups + - Embedded MySQL + - Check why restore repeatedly sends Rechdrs between + each data chunk -- according to James Harper 9Jan07. +- Features + - Better scheduling + - More intelligent re-run + - FD plugins + - Incremental backup -- rsync, Stow + +For next release: +- Try to fix bscan not working with multiple DVD volumes bug #912. +- Look at mondo/mindi +- Make Bacula by default not backup tmpfs, procfs, sysfs, ... +- Fix hardlinked immutable files when linking a second file, the + immutable flag must be removed prior to trying to link it. - Change dbcheck to tell users to use native tools for fixing broken databases, and to ensure they have the proper indexes. - add udev rules for Bacula devices. @@ -73,13 +261,10 @@ For 1.39: - Look at why SIGPIPE during connection can cause seg fault in writing the daemon message, when Dir dropped to bacula:bacula - Look at zlib 32 => 64 problems. -- Try turning on disk seek code. - Possibly turn on St. Bernard code. - Fix bextract to restore ACLs, or better yet, use common routines. - Do we migrate appendable Volumes? - Remove queue.c code. -- Some users claim that they must do two prune commands to get a - Volume marked as purged. - Print warning message if LANG environment variable does not specify UTF-8. - New dot commands from Arno. @@ -92,25 +277,34 @@ For 1.39: .move transfer device=xxx fromslot=yyy toslot=zzz Low priority: -- It appears to me that you have run into some sort of race - condition where two threads want to use the same Volume and they - were both given access. Normally that is no problem. However, - one thread wanted the particular Volume in drive 0, but it was - loaded into drive 1 so it decided to unload it from drive 1 and - then loaded it into drive 0, while the second thread went on - thinking that the Volume could be used in drive 1 not realizing - that in between time, it was loaded in drive 0. - I'll look at the code to see if there is some way we can avoid - this kind of problem. Probably the best solution is to make the - first thread simply start using the Volume in drive 1 rather than - transferring it to drive 0. -- After pruning, check to see if the Volume retention period has - expired. -- Check to see if jcr->stime is lost during rescheduling of - jobs in jobq.c -- Fix re-read of last block to check if job has actually written - a block, and check if block was written by a different job - (i.e. multiple simultaneous jobs writing). +- Article: http://www.heise.de/open/news/meldung/83231 +- Article: http://www.golem.de/0701/49756.html +- Article: http://lwn.net/Articles/209809/ +- Article: http://www.onlamp.com/pub/a/onlamp/2004/01/09/bacula.html +- Article: http://www.linuxdevcenter.com/pub/a/linux/2005/04/07/bacula.html +- Article: http://www.osreviews.net/reviews/admin/bacula +- Article: http://www.debianhelp.co.uk/baculaweb.htm +- Article: +- Wikis mentioning Bacula + http://wiki.finkproject.org/index.php/Admin:Backups + http://wiki.linuxquestions.org/wiki/Bacula + http://www.openpkg.org/product/packages/?package=bacula + http://www.iterating.com/products/Bacula + http://net-snmp.sourceforge.net/wiki/index.php/Net-snmp_extensions + http://www.section6.net/wiki/index.php/Using_Bacula_for_Tape_Backups + http://bacula.darwinports.com/ + http://wiki.mandriva.com/en/Releases/Corporate/Server_4/Notes#Bacula + http://en.wikipedia.org/wiki/Bacula + +- Bacula Wikis + http://www.devco.net/pubwiki/Bacula/ + http://paramount.ind.wpi.edu/wiki/doku.php + http://gentoo-wiki.com/HOWTO_Backup + http://www.georglutz.de/wiki/Bacula + http://www.clarkconnect.com/wiki/index.php?title=Modules_-_LAN_Backup/Recovery + http://linuxwiki.de/Bacula (in German) + +- Possibly allow SD to spool even if a tape is not mounted. - Figure out how to configure query.sql. Suggestion to use m4: == changequote.m4 === changequote(`[',`]')dnl @@ -137,33 +331,6 @@ Low priority: The problem is that it requires m4, which is not present on all machines at ./configure time. -- Get Perl replacement for bregex.c -- Given all the problems with FIFOs, I think the solution is to do something a - little different, though I will look at the code and see if there is not some - simple solution (i.e. some bug that was introduced). What might be a better - solution would be to use a FIFO as a sort of "key" to tell Bacula to read and - write data to a program rather than the FIFO. For example, suppose you - create a FIFO named: - - /home/kern/my-fifo - - Then, I could imagine if you backup and restore this file with a direct - reference as is currently done for fifos, instead, during backup Bacula will - execute: - - /home/kern/my-fifo.backup - - and read the data that my-fifo.backup writes to stdout. For restore, Bacula - will execute: - - /home/kern/my-fifo.restore - - and send the data backed up to stdout. These programs can either be an - executable or a shell script and they need only read/write to stdin/stdout. - - I think this would give a lot of flexibility to the user without making any - significant changes to Bacula. - ==== SQL # get null file @@ -179,70 +346,6 @@ select Path.Path from Path,File where File.JobId=nnn and - Look into replacing autotools with cmake http://www.cmake.org/HTML/Index.html -=== Migration from David === -What I'd like to see: - -Job { - Name = "-migrate" - Type = Migrate - Messages = Standard - Pool = Default - Migration Selection Type = LowestUtil | OldestVol | PoolOccupancy | -Client | PoolResidence | Volume | JobName | SQLquery - Migration Selection Pattern = "regexp" - Next Pool = -} - -There should be no need for a Level (migration is always Full, since you -don't calculate differential/incremental differences for migration), -Storage should be determined by the volume types in the pool, and Client -is really a selection issue. Migration should always occur to the -NextPool defined in the pool definition. If no nextpool is defined, the -job should end with a reason of "no place to go". If Next Pool statement -is present, we override the check in the pool definition and use the -pool specified. - -Here's how I'd define Migration Selection Types: - -With Regexes: -Client -- Migrate data from selected client only. Migration Selection -Pattern regexp provides pattern to select client names, eg ^FS00* makes -all client names starting with FS00 eligible for migration. - -Jobname -- Migration all jobs matching name. Migration Selection Pattern -regexp provides pattern to select jobnames existing in pool. - -Volume -- Migrate all data on specified volumes. Migration Selection -Pattern regexp provides selection criteria for volumes to be migrated. -Volumes must exist in pool to be eligible for migration. - - -With Regex optional: -LowestUtil -- Identify the volume in the pool with the least data on it -and empty it. No Migration Selection Pattern required. - -OldestVol -- Identify the LRU volume with data written, and empty it. No -Migration Selection Pattern required. - -PoolOccupancy -- if pool occupancy exceeds , migrate volumes -(starting with most full volumes) until pool occupancy drops below -. Pool highmig and lowmig values are in pool definition, no -Migration Selection Pattern required. - - -No regex: -SQLQuery -- Migrate all jobuids returned by the supplied SQL query. -Migration Selection Pattern contains SQL query to execute; should return -a list of 1 or more jobuids to migrate. - -PoolResidence -- Migrate data sitting in pool for longer than -PoolResidence value in pool definition. Migration Selection Pattern -optional; if specified, override value in pool definition (value in -minutes). - - -[ possibly a Python event -- kes ] -=== - Mount on an Autochanger with no tape in the drive causes: Automatically selected Storage: LTO-changer Enter autochanger drive[0]: 0 @@ -353,7 +456,7 @@ minutes). 3905 Device "LTO-Drive1" (/dev/nst0) open but no Bacula volume is mounted. If this is not a blank tape, try unmounting and remounting the Volume. -- Add VolumeState (enable, disable, archive) +- http://www.dwheeler.com/essays/commercial-floss.html - Add VolumeLock to prevent all but lock holder (SD) from updating the Volume data (with the exception of VolumeState). - The btape fill command does not seem to use the Autochanger @@ -375,16 +478,9 @@ minutes). - What happens when you rename a Disk Volume? - Job retention period in a Pool (and hence Volume). The job would then be migrated. -- Detect resource deadlock in Migrate when same job wants to read - and write the same device. -- Queue warning/error messages during restore so that they - are reported at the end of the report rather than being - hidden in the file listing ... - Look at -D_FORTIFY_SOURCE=2 - Add Win32 FileSet definition somewhere - Look at fixing restore status stats in SD. -- Make selection of Database used in restore correspond to - client. - Look at using ioctl(FIMAP) and FIGETBSZ for sparse files. http://www.informatik.uni-frankfurt.de/~loizides/reiserfs/fibmap.html - Implement a mode that says when a hard read error is @@ -397,22 +493,13 @@ minutes). ("F","Full"), ("D","Diff"), ("I","Inc"); -- Add ACL to restore only to original location. - Show files/second in client status output. -- Add a recursive mark command (rmark) to restore. -- "Minimum Job Interval = nnn" sets minimum interval between Jobs - of the same level and does not permit multiple simultaneous - running of that Job (i.e. lets any previous invocation finish - before doing Interval testing). -- Look at simplifying File exclusions. -- New directive "Delete purged Volumes" - new pool XXX with ScratchPoolId = MyScratchPool's PoolId and let it fill itself, and RecyclePoolId = XXX's PoolId so I can see if it become stable and I just have to supervise MyScratchPool - If I want to remove this pool, I set RecyclePoolId = MyScratchPool's PoolId, and when it is empty remove it. -- Figure out how to recycle Scratch volumes back to the Scratch Pool. - Add Volume=SCRTCH - Allow Check Labels to be used with Bacula labels. - "Resuming" a failed backup (lost line for example) by using the @@ -444,8 +531,6 @@ minutes). backups of the same client and if we again try to start a full backup of client backup abc bacula won't complain. That should be fixed. -- Fix bpipe.c so that it does not modify results pointer. - ***FIXME*** calling sequence should be changed. - For Windows disaster recovery see http://unattended.sf.net/ - regardless of the retention period, Bacula will not prune the last Full, Diff, or Inc File data until a month after the @@ -475,11 +560,8 @@ minutes). - In restore don't compare byte count on a raw device -- directory entry does not contain bytes. -=== rate design - jcr->last_rate - jcr->last_runtime - MA = (last_MA * 3 + rate) / 4 - rate = (bytes - last_bytes) / (runtime - last_runtime) + + - Max Vols limit in Pool off by one? - Implement Files/Bytes,... stats for restore job. - Implement Total Bytes Written, ... for restore job. @@ -523,76 +605,6 @@ minutes). - Bug: if a job is manually scheduled to run later, it does not appear in any status report and cannot be cancelled. -==== Keeping track of deleted/new files ==== -- To mark files as deleted, run essentially a Verify to disk, and - when a file is found missing (MarkId != JobId), then create - a new File record with FileIndex == -1. This could be done - by the FD at the same time as the backup. - - My "trick" for keeping track of deletions is the following. - Assuming the user turns on this option, after all the files - have been backed up, but before the job has terminated, the - FD will make a pass through all the files and send their - names to the DIR (*exactly* the same as what a Verify job - currently does). This will probably be done at the same - time the files are being sent to the SD avoiding a second - pass. The DIR will then compare that to what is stored in - the catalog. Any files in the catalog but not in what the - FD sent will receive a catalog File entry that indicates - that at that point in time the file was deleted. This - either transmitted to the FD or simultaneously computed in - the FD, so that the FD can put a record on the tape that - indicates that the file has been deleted at this point. - A delete file entry could potentially be one with a FileIndex - of 0 or perhaps -1 (need to check if FileIndex is used for - some other thing as many of the Bacula fields are "overloaded" - in the SD). - - During a restore, any file initially picked up by some - backup (Full, ...) then subsequently having a File entry - marked "delete" will be removed from the tree, so will not - be restored. If a file with the same name is later OK it - will be inserted in the tree -- this already happens. All - will be consistent except for possible changes during the - running of the FD. - - Since I'm on the subject, some of you may be wondering what - the utility of the in memory tree is if you are going to - restore everything (at least it comes up from time to time - on the list). Well, it is still *very* useful because it - allows only the last item found for a particular filename - (full path) to be entered into the tree, and thus if a file - is backed up 10 times, only the last copy will be restored. - I recently (last Friday) restored a complete directory, and - the Full and all the Differential and Incremental backups - spanned 3 Volumes. The first Volume was not even mounted - because all the files had been updated and hence backed up - since the Full backup was made. In this case, the tree - saved me a *lot* of time. - - Make sure this information is stored on the tape too so - that it can be restored directly from the tape. - - All the code (with the exception of formally generating and - saving the delete file entries) already exists in the Verify - Catalog command. It explicitly recognizes added/deleted files since - the last InitCatalog. It is more or less a "simple" matter of - taking that code and adapting it slightly to work for backups. - - Comments from Martin Simmons (I think they are all covered): - Ok, that should cover the basics. There are few issues though: - - - Restore will depend on the catalog. I think it is better to include the - extra data in the backup as well, so it can be seen by bscan and bextract. - - - I'm not sure if it will preserve multiple hard links to the same inode. Or - maybe adding or removing links will cause the data to be dumped again? - - - I'm not sure if it will handle renamed directories. Possibly it will work - by dumping the whole tree under a renamed directory? - - - It remains to be seen how the backup performance of the DIR's will be - affected when comparing the catalog for a large filesystem. ==== From David: @@ -752,23 +764,8 @@ Why: format string. Then I have the tape labeled automatically with weekday name in the correct language. ========== -- Yes, that is surely the case. I probably should turn those into Warning - errors. In addition, you just made me think that it might not be bad to - add an option to check the file size after backing up the file and - report if it changes. This would be done as an option because it would - add extra overhead. - - Kern, good idea. If you do do that, mention in the output: file - shrunk, or file expanded, just to make it obvious to the user - (without having to the refer to file size), just how the file size - changed. - - Would this option be for all file, or just one file? Or a fileset? - Make output from status use html table tags for nicely presenting in a browser. -- Can one write tapes faster with 8192 byte block sizes? -- Document security problems with the same password for everyone in - rpm and Win32 releases. - Browse generations of files. - I've seen an error when my catalog's File table fills up. I then have to recreate the File table with a larger maximum row @@ -848,16 +845,12 @@ Documentation to do: (any release a little bit at a time) - Use gather write() for network I/O. - Autorestart on crash. - Add bandwidth limiting. -- Add acks every once and a while from the SD to keep - the line from timing out. - When an error in input occurs and conio beeps, you can back up through the prompt. - Detect fixed tape block mode during positioning by looking at block numbers in btape "test". Possibly adjust in Bacula. - Fix list volumes to output volume retention in some other units, perhaps via a directive. -- If opening a tape in read/write mode fails attempt to open - it in read-only mode, and mark the tape for read only. - Allow Simultaneous Priorities = yes => run up to Max concurrent jobs even with multiple priorities. - If you use restore replace=never, the directory attributes for @@ -865,15 +858,9 @@ Documentation to do: (any release a little bit at a time) - see lzma401.zip in others directory for new compression algorithm/library. -- Minimal autochanger handling in Bacula and in btape. -- Look into how tar does not save sockets and the possiblity of - not saving them in Bacula (Martin Simmons reported this). -- Fix restore jobs so that multiple jobs can run if they - are not using the same tape(s). - Allow the user to select JobType for manual pruning/purging. - bscan does not put first of two volumes back with all info in bscan-test. -- Implement the FreeBSD nodump flag in chflags. - Figure out how to make named console messages go only to that console and to the non-restricted console (new console class?). - Make restricted console prompt for password if *ask* is set or @@ -890,10 +877,6 @@ Documentation to do: (any release a little bit at a time) -> maybe its more easy to maintain this, if the descriptions of that commands are outsourced to a ceratin-file -- the cd-command should allow complete paths - i.e. cd /foo/bar/foo/bar - -> if a customer mails me the path to a certain file, - its faster to enter the specified directory - if the password is not configured in bconsole.conf you should be asked for it. -> sometimes you like to do restore on a customer-machine @@ -919,8 +902,6 @@ Documentation to do: (any release a little bit at a time) are not restored. See bug 213. To fix this requires creating a list of newly restored directories so that those directory permissions *can* be restored. -- Compaction of Disk space by "migrating" Volumes that have pruned - Jobs (what criteria? size, #jobs, time). - Add prune all command - Document fact that purge can destroy a part of a restore by purging one volume while others remain valid -- perhaps mark Jobs. @@ -941,9 +922,6 @@ Documentation to do: (any release a little bit at a time) - Add tree pane to left of window. - Add progress meter. - Max wait time or max run time causes seg fault -- see runtime-bug.txt -- Document writing to a CD/DVD with Bacula. -- Add a "base" package to the window installer for pthreadsVCE.dll - which is needed by all packages. - Add message to user to check for fixed block size when the forward space test fails in btape. - When unmarking a directory check if all files below are unmarked and @@ -952,14 +930,10 @@ Documentation to do: (any release a little bit at a time) - Setup lrrd graphs: (http://www.linpro.no/projects/lrrd/) Mike Acar. - Revisit the question of multiple Volumes (disk) on a single device. - Add a block copy option to bcopy. -- Investigate adding Mac Resource Forks. -- Finish work on Gnome restore GUI. - Fix "llist jobid=xx" where no fileset or client exists. - For each job type (Admin, Restore, ...) require only the really necessary fields.- Pass Director resource name as an option to the Console. - Add a "batch" mode to the Console (no unsolicited queries, ...). -- Add a .list all files in the restore tree (probably also a list all files) - Do both a long and short form. - Allow browsing the catalog to see all versions of a file (with stat data on each file). - Restore attributes of directory if replace=never set but directory @@ -981,32 +955,22 @@ Documentation to do: (any release a little bit at a time) - Check new HAVE_WIN32 open bits. - Check if the tape has moved before writing. - Handling removable disks -- see below: -- Keep track of tape use time, and report when cleaning is necessary. - Add FromClient and ToClient keywords on restore command (or BackupClient RestoreClient). - Implement a JobSet, which groups any number of jobs. If the JobSet is started, all the jobs are started together. Allow Pool, Level, and Schedule overrides. -- Enhance cancel to timeout BSOCK packets after a specific delay. -- Do scheduling by UTC using gmtime_r() in run_conf, scheduler, and - ua_status.!!! Thanks to Alan Brown for this tip. - Look at updating Volume Jobs so that Max Volume Jobs = 1 will work correctly for multiple simultaneous jobs. -- Correct code so that FileSet MD5 is calculated for < and | filename - generation. - Implement the Media record flag that indicates that the Volume does disk addressing. - Implement VolAddr, which is used when Volume is addressed like a disk, and form it from VolFile and VolBlock. -- Make multiple restore jobs for multiple media types specifying - the proper storage type. - Fix fast block rejection (stored/read_record.c:118). It passes a null pointer (rec) to try_repositioning(). -- Look at extracting Win data from BackupRead. - Implement RestoreJobRetention? Maybe better "JobRetention" in a Job, which would take precidence over the Catalog "JobRetention". - Implement Label Format in Add and Label console commands. -- Possibly up network buffers to 65K. Put on variable. - Put email tape request delays on one or more variables. User wants to cancel the job after a certain time interval. Maximum Mount Wait? - Job, Client, Device, Pool, or Volume? @@ -1070,8 +1034,6 @@ Documentation to do: (any release a little bit at a time) support for Oracle database ?? === - Look at adding SQL server and Exchange support for Windows. -- Make dev->file and dev->block_num signed integers so that -1 can - be an invalid value which happens with BSR. - Create VolAddr for disk files in place of VolFile and VolBlock. This is needed to properly specify ranges. - Add progress of files/bytes to SD and FD. @@ -1101,14 +1063,6 @@ Documentation to do: (any release a little bit at a time) - Implement some way for the File daemon to contact the Director to start a job or pass its DHCP obtained IP number. - Implement a query tape prompt/replace feature for a console -- Copy console @ code to gnome2-console -- Make AES the only encryption algorithm see - http://csrc.nist.gov/CryptoToolkit/aes/). It's - an officially adopted standard, has survived peer - review, and provides keys up to 256 bits. -- Take a careful look at SetACL http://setacl.sourceforge.net -- Make tree walk routines like cd, ls, ... more user friendly - by handling spaces better. - Make sure that Bacula rechecks the tape after the 20 min wait. - Set IO_NOWAIT on Bacula TCP/IP packets. - Try doing a raw partition backup and restore by mounting a @@ -1123,15 +1077,11 @@ Documentation to do: (any release a little bit at a time) in the "short" pool to the "long" pool if this pool runs out of volume space? - What to do about "list files job=xxx". -- Get and test MySQL 4.0 - Look at how fuser works and /proc/PID/fd that is how Nic found the file descriptor leak in Bacula. -- Implement WrapCounters in Counters. -- Add heartbeat from FD to SD if hb interval expires. - Can we dynamically change FileSets? - If pool specified to label command and Label Format is specified, automatically generate the Volume name. -- Why can't SQL do the filename sort for restore? - Add ExhautiveRestoreSearch - Look at the possibility of loading only the necessary data into the restore tree (i.e. do it one directory at a @@ -1146,16 +1096,8 @@ Documentation to do: (any release a little bit at a time) run the job but don't save the files. - Make things like list where a file is saved case independent for Windows. -- Implement migrate -- Use autochanger to handle multiple devices. -- On Windows with very long path names, it may be impossible to create - a file (and thus restore it) because the total length is too long. - We must cd into the directory then create the file without the - full path name. - Implement a Recycle command -- Test a second language e.g. french. - Start working on Base jobs. -- Implement UnsavedFiles DB record. - From Phil Stracchino: It would probably be a per-client option, and would be called something like, say, "Automatically purge obsoleted jobs". What it @@ -1183,8 +1125,6 @@ Documentation to do: (any release a little bit at a time) - If SD cannot open a drive, make it periodically retry. - Add more of the config info to the tape label. -- If tape is marked read-only, then try opening it read-only rather than - failing, and remember that it cannot be written. - Refine SD waiting output: Device is being positioned > Device is being positioned for append @@ -1196,7 +1136,6 @@ Documentation to do: (any release a little bit at a time) - Have SD compute MD5 or SHA1 and compare to what FD computes. - Make VolumeToCatalog calculate an MD5 or SHA1 from the actual data on the Volume and compare it. -- Implement Bacula plugins -- design API - Make bcopy read through bad tape records. - Program files (i.e. execute a program to read/write files). Pass read date of last backup, size of file last time. @@ -1211,7 +1150,6 @@ Documentation to do: (any release a little bit at a time) - bscan without -v is too quiet -- perhaps show jobs. - Add code to reject whole blocks if not wanted on restore. - Check if we can increase Bacula FD priorty in Win2000 -- Make sure the MaxVolFiles is fully implemented in SD - Check if both CatalogFiles and UseCatalog are set to SD. - Possibly add email to Watchdog if drive is unmounted too long and a job is waiting on the drive. @@ -1223,7 +1161,6 @@ Documentation to do: (any release a little bit at a time) - Compare tape to Client files (attributes, or attributes and data) - Make all database Ids 64 bit. - Allow console commands to detach or run in background. -- Fix status delay on storage daemon during rewind. - Add SD message variables to control operator wait time - Maximum Operator Wait - Minimum Message Interval @@ -1240,8 +1177,6 @@ Documentation to do: (any release a little bit at a time) - Implement script driven addition of File daemon to config files. - Think about how to make Bacula work better with File (non-tape) archives. - Write Unix emulator for Windows. -- Put memory utilization in Status output of each daemon - if full status requested or if some level of debug on. - Make database type selectable by .conf files i.e. at runtime - Set flag for uname -a. Add to Volume label. - Restore files modified after date @@ -1292,19 +1227,13 @@ Documentation to do: (any release a little bit at a time) - MaxWarnings - MaxErrors (job?) ===== -- FD sends unsaved file list to Director at end of job (see - RFC below). -- File daemon should build list of files skipped, and then - at end of save retry and report any errors. - Write a Storage daemon that uses pipes and standard Unix programs to write to the tape. See afbackup. - Need something that monitors the JCR queue and times out jobs by asking the deamons where they are. - Enhance Jmsg code to permit buffering and saving to disk. -- device driver = "xxxx" for drives. - Verify from Volume -- Ensure that /dev/null works - Need report class for messages. Perhaps report resource where report=group of messages - enhance scan_attrib and rename scan_jobtype, and @@ -1399,31 +1328,12 @@ mounting. Nobody is dying for them, but when you see what it does, you will die without it. -3. Restoring deleted files: Since I think my comments in (2) above -have low probability of implementation, I'll also suggest that you -could approach the issue of deleted files by a mechanism of having the -fd report to the dir, a list of all files on the client for every -backup job. The dir could note in the database entry for each file -the date that the file was seen. Then if a restore as of date X takes -place, only files that exist from before X until after X would be -restored. Probably the major cost here is the extra date container in -each row of the files table. - -Thanks for "listening". I hope some of this helps. If you want to -contact me, please send me an email - I read some but not all of the -mailing list traffic and might miss a reply there. - -Please accept my compliments for bacula. It is doing a great job for -me!! I sympathize with you in the need to wrestle with excelence in -execution vs. excelence in feature inclusion. - Regards, Jerry Schieffer ============================== Longer term to do: -- Design at hierarchial storage for Bacula. Migration and Clone. - Implement FSM (File System Modules). - Audit M_ error codes to ensure they are correct and consistent. - Add variable break characters to lex analyzer. @@ -1434,30 +1344,8 @@ Longer term to do: continue a save if the Director goes down (this is NOT currently the case). Must detect socket error, buffer messages for later. -- Enhance time/duration input to allow multiple qualifiers e.g. 3d2h - Add ability to backup to two Storage devices (two SD sessions) at the same time -- e.g. onsite, offsite. -- Add the ability to consolidate old backup sets (basically do a restore - to tape and appropriately update the catalog). Compress Volume sets. - Might need to spool via file is only one drive is available. -- Compress or consolidate Volumes of old possibly deleted files. Perhaps - someway to do so with every volume that has less than x% valid - files. - - -Migration: Move a backup from one Volume to another -Clone: Copy a backup -- two Volumes - -Bacula Migration is based on Jobs (apparently Networker is file by file). - -Migration triggered by: - Number of Jobs - Number of Volumes - Age of Jobs - Highwater mark (keep total size) - Lowwater mark - - ====================================================== Base Jobs design @@ -1511,127 +1399,6 @@ Need: VolSessionId and VolSessionTime. ========================================================= - -========================================================== - Unsaved File design -For each Incremental job that is run, there may be files that -were found but not saved because they were locked (this applies -only to Windows). Such a system could send back to the Director -a list of Unsaved files. -Need: -- New UnSavedFiles table that contains: - JobId - PathId - FilenameId -- Then in the next Incremental job, the list of Unsaved Files will be - feed to the FD, who will ensure that they are explicitly chosen even - if standard date/time check would not have selected them. -============================================================= - - -===== - Multiple drive autochanger data: see Alan Brown - mtx -f xxx unloadStorage Element 1 is Already Full(drive 0 was empty) - Unloading Data Transfer Element into Storage Element 1...source Element - Address 480 is Empty - - (drive 0 was empty and so was slot 1) - > mtx -f xxx load 15 0 - no response, just returns to the command prompt when complete. - > mtx -f xxx status Storage Changer /dev/changer:2 Drives, 60 Slots ( 2 Import/Export ) - Data Transfer Element 0:Full (Storage Element 15 Loaded):VolumeTag = HX001 - Data Transfer Element 1:Empty - Storage Element 1:Empty - Storage Element 2:Full :VolumeTag=HX002 - Storage Element 3:Full :VolumeTag=HX003 - Storage Element 4:Full :VolumeTag=HX004 - Storage Element 5:Full :VolumeTag=HX005 - Storage Element 6:Full :VolumeTag=HX006 - Storage Element 7:Full :VolumeTag=HX007 - Storage Element 8:Full :VolumeTag=HX008 - Storage Element 9:Full :VolumeTag=HX009 - Storage Element 10:Full :VolumeTag=HX010 - Storage Element 11:Empty - Storage Element 12:Empty - Storage Element 13:Empty - Storage Element 14:Empty - Storage Element 15:Empty - Storage Element 16:Empty.... - Storage Element 28:Empty - Storage Element 29:Full :VolumeTag=CLNU01L1 - Storage Element 30:Empty.... - Storage Element 57:Empty - Storage Element 58:Full :VolumeTag=NEX261L2 - Storage Element 59 IMPORT/EXPORT:Empty - Storage Element 60 IMPORT/EXPORT:Empty - $ mtx -f xxx unload - Unloading Data Transfer Element into Storage Element 15...done - - (just to verify it remembers where it came from, however it can be - overrriden with mtx unload {slotnumber} to go to any storage slot.) - Configuration wise: - There needs to be a table of drive # to devices somewhere - If there are - multiple changers or drives there may not be a 1:1 correspondance between - changer drive number and system device name - and depending on the way the - drives are hooked up to scsi busses, they may not be linearly numbered - from an offset point either.something like - - Autochanger drives = 2 - Autochanger drive 0 = /dev/nst1 - Autochanger drive 1 = /dev/nst2 - IMHO, it would be _safest_ to use explicit mtx unload commands at all - times, not just for multidrive changers. For a 1 drive changer, that's - just: - - mtx load xx 0 - mtx unload xx 0 - - MTX's manpage (1.2.15): - unload [] [ ] - Unloads media from drive into slot - . If is omitted, defaults to - drive 0 (as do all commands). If is - omitted, defaults to the slot that the drive was - loaded from. Note that there's currently no way - to say 'unload drive 1's media to the slot it - came from', other than to explicitly use that - slot number as the destination.AB -==== - -==== -SCSI info: -FreeBSD -undef# camcontrol devlist - at scbus0 target 2 lun 0 (pass0,sa0) - at scbus0 target 4 lun 0 (pass1,sa1) - at scbus0 target 4 lun 1 (pass2) - -tapeinfo -f /dev/sg0 with a bad tape in drive 1: -[kern@rufus mtx-1.2.17kes]$ ./tapeinfo -f /dev/sg0 -Product Type: Tape Drive -Vendor ID: 'HP ' -Product ID: 'C5713A ' -Revision: 'H107' -Attached Changer: No -TapeAlert[3]: Hard Error: Uncorrectable read/write error. -TapeAlert[20]: Clean Now: The tape drive neads cleaning NOW. -MinBlock:1 -MaxBlock:16777215 -SCSI ID: 5 -SCSI LUN: 0 -Ready: yes -BufferedMode: yes -Medium Type: Not Loaded -Density Code: 0x26 -BlockSize: 0 -DataCompEnabled: yes -DataCompCapable: yes -DataDeCompEnabled: yes -CompType: 0x20 -DeCompType: 0x0 -Block Position: 0 -===== - ==== Handling removable disks @@ -1657,95 +1424,7 @@ Block Position: 0 === Done -- Make sure that all do_prompt() calls in Dir check for - -1 (error) and -2 (cancel) returns. -- Fix foreach_jcr() to have free_jcr() inside next(). - jcr=jcr_walk_start(); - for ( ; jcr; (jcr=jcr_walk_next(jcr)) ) - ... - jcr_walk_end(jcr); -- A Volume taken from Scratch should take on the retention period - of the new pool. -- Correct doc for Maximum Changer Wait (and others) accepting only - integers. -- Implement status that shows why a job is being held in reserve, or - rather why none of the drives are suitable. -- Implement a way to disable a drive (so you can use the second - drive of an autochanger, and the first one will not be used or - even defined). -- Make sure Maximum Volumes is respected in Pools when adding - Volumes (e.g. when pulling a Scratch volume). -- Keep same dcr when switching device ... -- Implement code that makes the Dir aware that a drive is an - autochanger (so the user doesn't need to use the Autochanger = yes - directive). -- Make catalog respect ACL. -- Add recycle count to Media record. -- Add initial write date to Media record. -- Fix store_yesno to be store_bitmask. ---- create_file.c.orig Fri Jul 8 12:13:05 2005 -+++ create_file.c Fri Jul 8 12:13:07 2005 -@@ -195,6 +195,8 @@ - attr->ofname, be.strerror()); - return CF_ERROR; - } -+ } else if(S_ISSOCK(attr->statp.st_mode)) { -+ Dmsg1(200, "Skipping socket: %s\n", attr->ofname); - } else { - Dmsg1(200, "Restore node: %s\n", attr->ofname); - if (mknod(attr->ofname, attr->statp.st_mode, attr->statp.st_rdev) != 0 && errno != EEXIST) { -- Add true/false to conf same as yes/no -- Reserve blocks other restore jobs when first cannot connect to SD. -- Fix Maximum Changer Wait, Maximum Open Wait, Maximum Rewind Wait to - accept time qualifiers. -- Does ClientRunAfterJob fail the job on a bad return code? -- Make hardlink code at line 240 of find_one.c use binary search. -- Add ACL error messages in src/filed/acl.c. -- Make authentication failures single threaded. -- Make Dir and SD authentication errors single threaded. -- Fix catreq.c digestbuf at line 411 in src/dird/catreq.c -- Make base64.c (bin_to_base64) take a buffer length - argument to avoid overruns. - and verify that other buffers cannot overrun. -- Implement VolumeState as discussed with Arno. -- Add LocationId to update volume -- Add LocationLog - LogId - Date - User text - MediaId - LocationId - NewState??? -- Add Comment to Media record -- Fix auth compatibility with 1.38 -- Update dbcheck to include Log table -- Update llist to include new fields. -- Make unmount unload autochanger. Make mount load slot. -- Fix bscan to report the JobType when restoring a job. -- Fix wx-console scanning problem with commas in names. -- Add manpages to the list of directories for make install. Notify - Scott -- Add bconsole option to use stdin/out instead of conio. -- Fix ClientRunBefore/AfterJob compatibility. -- Ensure that connection to daemon failure always indicates what - daemon it was trying to connect to. -- Freespace on DVD requested over and over even with no intervening - writes. -- .update volume [enabled|disabled|*see below] - > However, I could easily imagine an option to "update slots" that says - > "enable=yes|no" that would automatically enable or disable all the Volumes - > found in the autochanger. This will permit the user to optionally mark all - > the Volumes in the magazine disabled prior to taking them offsite, and mark - > them all enabled when bringing them back on site. Coupled with the options - > to the slots keyword, you can apply the enable/disable to any or all volumes. -- Restricted consoles start in the Default catalog even if it - is not permitted. -- When reading through parts on the DVD, the DVD is mounted and - unmounted for each part. -- Make sure that the restore options don't permit "seeing" other - Client's job data. -- Restore of a raw drive should not try to check the volume size. -- Lock tape drive door when open() -- Make release unload any autochanger. -- Arno's reservation deadlock. -- Eric's SD patch + +=== +- Fix bpipe.c so that it does not modify results pointer. + ***FIXME*** calling sequence should be changed.