Kern's ToDo List
- 12 November 2006
+ 16 July 2007
-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.
- 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.
Priority:
+- Implement SDErrors (must return from SD)
+- Implement USB keyboard support in rescue CD.
+- Remove all install temp files in Win32 PLUGINSDIR.
+- Audit retention periods to make sure everything is 64 bit.
+- Use E'xxx' to escape PostgreSQL strings.
+- 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.
+- Look at mincore: http://insights.oetiker.ch/linux/fadvise.html
+- Unicode input http://en.wikipedia.org/wiki/Byte_Order_Mark
+- Add TLS to bat (should be done).
+- 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.
+- Add Catalog = to Pool resource so that pools will exist
+ in only one catalog -- currently Pools are "global".
+- 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.
+
+- Why doesn't @"xxx abc" work in a conf file?
+- 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:
+
+
+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
+ - Full at least once a month, ...
+ - Cancel Inc if Diff/Full running
+ - More intelligent re-run
+ - New/deleted file backup
+ - 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
+- Don't restore Solaris Door files:
+ #define S_IFDOOR in st_mode.
+ see: http://docs.sun.com/app/docs/doc/816-5173/6mbb8ae23?a=view#indexterm-360
+- 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.
- Implement Python event for backing up/restoring a file.
- Change dbcheck to tell users to use native tools for fixing
broken databases, and to ensure they have the proper indexes.
- 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.
.move transfer device=xxx fromslot=yyy toslot=zzz
Low priority:
+- 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.
- 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,
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).
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
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
- 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
("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
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
- 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.
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.
- 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
- 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
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.
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.
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:
- 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
- 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
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
=== 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
+- Why the heck doesn't bacula drop root priviledges before connecting to
+ the DB?
+- Look at using posix_fadvise(2) for backups -- see bug #751.
+ Possibly add the code at findlib/bfile.c:795
+/* TCP socket options */
+#define TCP_KEEPIDLE 4 /* Start keeplives after this period */
+- Fix bnet_connect() code to set a timer and to use time to
+ measure the time.
+- Implement 4th argument to make_catalog_backup that passes hostname.
+- Test FIFO backup/restore -- make regression
+- Please mount volume "xxx" on Storage device ... should also list
+ Pool and MediaType in case user needs to create a new volume.
+- On restore add Restore Client, Original Client.
+01-Apr 00:42 rufus-dir: Start Backup JobId 55, Job=kernsave.2007-04-01_00.42.48
+01-Apr 00:42 rufus-sd: Python SD JobStart: JobId=55 Client=Rufus
+01-Apr 00:42 rufus-dir: Created new Volume "Full0001" in catalog.
+01-Apr 00:42 rufus-dir: Using Device "File"
+01-Apr 00:42 rufus-sd: kernsave.2007-04-01_00.42.48 Warning: Device "File" (/tmp) not configured to autolabel Volumes.
+01-Apr 00:42 rufus-sd: kernsave.2007-04-01_00.42.48 Warning: Device "File" (/tmp) not configured to autolabel Volumes.
+01-Apr 00:42 rufus-sd: Please mount Volume "Full0001" on Storage Device "File" (/tmp) for Job kernsave.2007-04-01_00.42.48
+01-Apr 00:44 rufus-sd: Wrote label to prelabeled Volume "Full0001" on device "File" (/tmp)
+- Check if gnome-console works with TLS.
+- the director seg faulted when I omitted the pool directive from a
+ job resource. I was experimenting and thought it redundant that I had
+ specified Pool, Full Backup Pool. and Differential Backup Pool. but
+ apparently not. This happened when I removed the pool directive and
+ started the director.
+- Add Where: client:/.... to restore job report.
+- Ensure that moving a purged Volume in ua_purge.c to the RecyclePool
+ does the right thing.
+- FD-SD quick disconnect
+- Building the in memory restore tree is slow.
projects / bacula / bacula / blobdiff