From 6c4d5dfed73728262c4e74cffc39c63b9401b1bd Mon Sep 17 00:00:00 2001 From: Kern Sibbald Date: Sat, 28 Nov 2009 12:52:24 +0100 Subject: [PATCH] Tweak kernstodo --- bacula/kernstodo | 289 +++++++++++------------------------------------ 1 file changed, 66 insertions(+), 223 deletions(-) diff --git a/bacula/kernstodo b/bacula/kernstodo index bbc5445b15..14f77d0bb6 100644 --- a/bacula/kernstodo +++ b/bacula/kernstodo @@ -29,65 +29,36 @@ Document: \bacula\working). - Document techniques for restoring large numbers of files. - Document setting my.cnf to big file usage. -- Add example of proper index output to doc. show index from File; - Correct the Include syntax in the m4.xxx files in examples/conf -- Document JobStatus and Termination codes. -- Fix the error with the "DVI file can't be opened" while - building the French PDF. -- Document more DVD stuff -- Doc - { "JobErrors", "i"}, - { "JobFiles", "i"}, - { "SDJobFiles", "i"}, - { "SDErrors", "i"}, - { "FDJobStatus","s"}, - { "SDJobStatus","s"}, - Document all the little details of setting up certificates for the Bacula data encryption code. - Document more precisely how to use master keys -- especially for disaster recovery. -Professional Needs: -- Nexenta (zfs + hardy + iscsi + nas + smf support) -- NDMP - - For NAS OpenNAS - - ndmfs -- File Server extention in NDMPv4. - - ndmjob -- NDMP backup/restore NDMPv2, NDMPv3, and NDMPv4 -- 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) -- SD to SD -- 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. -- 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: ================ +- For Windows disaster recovery see http://unattended.sf.net/ -- Have a mode for bconsole scripting. Multiple catalog question - automatically answered. -- For archiving: - - Prune by Pool (Job and File) - - Prune by Job and or Job Level (Full, Differential, Incremental) - - Strict automatic pruning (runscript console command?) +- Show files/second in client status output. +- Don't attempt to restore from "Disabled" Volumes. +- 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. +- Remove queue.c code. +- Implement multiple jobid specification for the cancel command, + similar to what is permitted on the update slots command. +- 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 rsysnc for incremental updates and dedupping +- Add MD5 or SHA1 check in SD for data validation +- When reserving a device to read, check to see if the Volume + is already in use, if so wait. Probably will need to pass the + Volume. See bug #1313. Create a regression test to simulate + this problem and see if VolumePollInterval fixes it. Possibly turn + it on by default. + +- Page hash tables +- Deduplication - Why no error message if restore has no permission on the where directory? - Possibly allow manual "purge" to purge a Volume that has not @@ -95,6 +66,15 @@ Priority: is_volume_purged(). - Add disk block detection bsr code (make it work). - Remove done bsrs. +- Detect deadlocks in reservations. +- Plugins: + - Add list during dump + - Add in plugin code flag + - Add bRC_EndJob -- stops more calls to plugin this job + - Add bRC_Term (unload plugin) + - remove time_t from Jmsg and use utime_t? +- Deadlock detection, watchdog sees if counter advances when jobs are + running. With debug on, can do a "status" command. - User options for plugins. - Pool Storage override precedence over command line. - Autolabel only if Volume catalog information indicates tape not @@ -129,13 +109,12 @@ Priority: 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 - 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. - - Better yet allow wild-cards or regexes. -- Add Group resource for grouping Jobs so they can all be - run at the same time or canceled at the same time. - modify pruning to keep a fixed number of versions of a file, if requested. - the cd-command should allow complete paths @@ -154,6 +133,7 @@ Priority: 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 @@ -161,28 +141,14 @@ Priority: 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. @@ -218,21 +184,43 @@ Priority: > 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. -- Doc items - Test Volume compatibility between machine architectures - Encryption documentation -- Wrong jobbytes with query 12 (todo) - Bare-metal recovery Windows (todo) - + +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 +- 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. +- 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 Projects: - Pool enhancements @@ -262,12 +250,6 @@ Projects: 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 @@ -277,12 +259,8 @@ Projects: - 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. @@ -294,10 +272,8 @@ For next release: - 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. -- 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. - Print warning message if LANG environment variable does not specify UTF-8. - New dot commands from Arno. @@ -373,12 +349,6 @@ select Path.Path from Path,File where File.JobId=nnn and File.FilenameId=(FilenameId-from-above) and File.PathId=Path.PathId order by Path.Path ASC; -- Look into using Dart for testing - http://public.kitware.com/Dart/HTML/Index.shtml - -- Look into replacing autotools with cmake - http://www.cmake.org/HTML/Index.html - - Mount on an Autochanger with no tape in the drive causes: Automatically selected Storage: LTO-changer Enter autochanger drive[0]: 0 @@ -502,16 +472,13 @@ select Path.Path from Path,File where File.JobId=nnn and - Directive: at "command" - Command: pycmd "command" generates "command" event. How to attach to a specific job? -- Integrate Christopher's St. Bernard code. - run_cmd() returns int should return JobId_t - get_next_jobid_from_list() returns int should return JobId_t - Document export LDFLAGS=-L/usr/lib64 -- Don't attempt to restore from "Disabled" Volumes. - Network error on Win32 should set Win32 error code. - What happens when you rename a Disk Volume? - Job retention period in a Pool (and hence Volume). The job would then be migrated. -- Look at -D_FORTIFY_SOURCE=2 - Add Win32 FileSet definition somewhere - Look at fixing restore status stats in SD. - Look at using ioctl(FIMAP) and FIGETBSZ for sparse files. @@ -526,7 +493,6 @@ select Path.Path from Path,File where File.JobId=nnn and ("F","Full"), ("D","Diff"), ("I","Inc"); -- Show files/second in client status output. - 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 @@ -564,7 +530,6 @@ select Path.Path from Path,File where File.JobId=nnn and 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. -- 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 retention period for the last Full backup that was done. @@ -1166,9 +1131,6 @@ Documentation to do: (any release a little bit at a time) - Figure out some way to estimate output size and to avoid splitting a backup across two Volumes -- this could be useful for writing CDROMs where you really prefer not to have it split -- not serious. -- 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. - 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. @@ -1432,109 +1394,6 @@ Need: VolSessionId and VolSessionTime. ========================================================= -========================================================= - Preliminary design of Deletion of disk volumes - -tem 5: Deletion of disk Volumes when pruned - Date: Nov 25, 2005 - Origin: Ross Boylan (edited - by Kern) - Status: - - What: Provide a way for Bacula to automatically remove Volumes - from the filesystem, or optionally to truncate them. - Obviously, the Volume must be pruned prior removal. - - Why: This would allow users more control over their Volumes and - prevent disk based volumes from consuming too much space. - - Notes: The following two directives might do the trick: - - Volume Data Retention =