4 Documentation to do: (a little bit at a time)
5 - Document running a test version.
6 - Document query file format.
7 - Document static linking
8 - Document how to automatically backup all local partitions
9 - Document problems with Verify and pruning.
10 - Document how to use multiple databases.
13 Testing to do: (painful)
14 - that console command line options work
15 - blocksize recognition code.
18 - Fix restore of hard linked file.
19 - Implement FileOptions (see end of this document)
20 - Implement Bacula plugins -- design API
21 - Make bcopy read through bad tape records.
22 - Fix read_record to handle multiple sessions.
23 - Program files (i.e. execute a program to read/write files).
24 Pass read date of last backup, size of file last time.
25 - Add Signature type to File DB record.
26 - CD into subdirectory when open()ing files for backup to
27 speed up things. Test with testfind().
28 - Add prefixlinks to where or not where absolute links to FD.
29 - Look at handling <> in smtp doesn't work with exim.
30 - Priority job to go to top of list.
31 - Implement Bar code handling
32 - Why is catreq.c:111 Find vol called twice for a job?
33 - Find out why Full saves run slower and slower (hashing?)
34 - Figure out how to allow multiple simultaneous file Volumes on a single device.
35 - Why are save/restore of device different sizes (sparse?) Yup! Fix it.
36 - Implement some way for the Console to dynamically create a job.
37 - Restore to a particular time -- e.g. before date, after date.
38 - Implement disk spooling
39 - Implement finer multiprocessing options.
40 - Solaris -I on tar for include list
41 - Enable avoid backing up archive device (findlib/find_one.c:128)
42 - Need a verbose mode in restore, perhaps to bsr.
43 - bscan without -v is too quiet -- perhaps show jobs.
44 - Add code to reject whole blocks if not wanted on restore.
45 - Implement multiple simultaneous file Volumes on a single device.
46 - Start working on Base jobs.
47 - Make sure the MaxVolFiles is fully implemented in SD
48 - Flush all the daemon messages at the end of every job.
49 - Check if both CatalogFiles and UseCatalog are set to SD.
50 - Check if we can increase Bacula FD priorty in Win2000
51 - Need return status on read_cb() from read_records(). Need multiple
52 records -- one per Job, maybe a JCR or some other structure with
54 - Figure out how to do a bare metal Windows restore
55 - Put system type returned by FD into catalog.
56 - Possibly add email to Watchdog if drive is unmounted too
57 long and a job is waiting on the drive.
58 - Strip trailing slashes from Include directory names in the FD.
59 - Use read_record.c in SD code.
60 - Why don't we get an error message from Win32 FD when bootstrap
61 file cannot be created for restore command?
62 - Need to specify MaximumConcurrentJobs in the Job resource.
63 - When Marking a file in Restore that is a hard link, also
64 mark the link so that the data will be reloaded.
65 - Restore program that errors in SD due to no tape reports
66 OK incorrectly in output.
67 - After unmount, if restore job started, ask to mount.
68 - Make Restore report an error if FD or SD term codes are not OK.
69 - Convert all %x substitution variables, which are hard to remember
70 and read to %(variable-name). Idea from TMDA.
71 - Add JobLevel in FD status (but make sure it is defined).
72 - Make Pool resource handle Counter resources.
73 - Remove NextId for SQLite. Optimize.
74 - Strip trailing / from Include
75 - Move all SQL statements into a single location.
76 - Cleanup db_update_media and db_update_pool
77 - Add UA rc and history files.
78 - put termcap (used by console) in ./configure and
79 allow -with-termcap-dir.
80 - Enhance time and size scanning routines.
81 - Fix Autoprune for Volumes to respect need for full save.
82 - Fix Win32 config file definition name on /install
83 - No READLINE_SRC if found in alternate directory.
84 - Add Client FS/OS id (Linux, Win95/98, ...).
85 - Test a second language e.g. french.
86 - Compare tape to Client files (attributes, or attributes and data)
87 - Make all database Ids 64 bit.
88 - Write an applet for Linux.
89 - Add estimate to Console commands
90 - Find solution to blank filename (i.e. path only) problem.
91 - Implement new daemon communications protocol.
92 - Remove PoolId from Job table, it exists in Media.
93 - Allow console commands to detach or run in background.
94 - Fix status delay on storage daemon during rewind.
95 - Add SD message variables to control operator wait time
96 - Maximum Operator Wait
97 - Minimum Message Interval
98 - Maximum Message Interval
99 - Send Operator message when cannot read tape label.
100 - Verify level=Volume (scan only), level=Data (compare of data to file).
101 Verify level=Catalog, level=InitCatalog
103 - Add keyword search to show command in Console.
104 - Fix Win2000 error with no messages during startup.
105 - Events : tape has more than xxx bytes.
106 - Restrict characters permitted in a Resource name.
107 - Complete code in Bacula Resources -- this will permit
108 reading a new config file at any time.
109 - Handle ctl-c in Console
110 - Implement LabelTemplate (at least first cut).
111 - Implement script driven addition of File daemon to config files.
112 - Think about how to make Bacula work better with File (non-tape) archives.
113 - Write Unix emulator for Windows.
115 - Implement new serialize subroutines
116 send(socket, "string", &Vol, "uint32", &i, NULL)
117 - Audit all UA commands to ensure that we always prompt where possible.
118 - If ./btape is called without /dev, assume argument is a Storage resource name.
119 - Put memory utilization in Status output of each daemon
120 if full status requested or if some level of debug on.
121 - Make database type selectable by .conf files i.e. at runtime
122 - gethostbyname failure in bnet_connect() continues
123 generating errors -- should stop.
124 - Set flag for uname -a. Add to Volume label.
125 - Implement throttled work queue.
126 - Check for EOT at ENOSPC or EIO or ENXIO (unix Pc)
127 - Allow multiple Storage specifications (or multiple names on
128 a single Storage specification) in the Job record. Thus a job
129 can be backed up to a number of storage devices.
130 - Implement dump label to UA
131 - Concept of VolumeSet during restore which is a list
132 of Volume names needed.
133 - Restore files modified after date
134 - Restore file modified before date
135 - Emergency restore info:
137 - Backup working directory
139 - Restore -- do nothing but show what would happen
140 - SET LD_RUN_PATH=$HOME/mysql/lib/mysql
141 - Implement Restore FileSet=
142 - Create a protocol.h and protocol.c where all protocol messages
144 - If SD cannot open a drive, make it periodically retry.
145 - Remove duplicate fields from jcr (e.g. jcr.level and jcr.jr.Level, ...).
146 - Timout a job or terminate if link goes down, or reopen link and query.
147 - Find general solution for sscanf size problems (as well
148 as sprintf. Do at run time?
149 - Concept of precious tapes (cannot be reused).
150 - Make bcopy copy with a single tape drive.
151 - Permit changing ownership during restore.
153 - Autolabel should be specified by DIR instead of SD.
154 - Find out how to get the system tape block limits, e.g.:
155 Apr 22 21:22:10 polymatou kernel: st1: Block limits 1 - 245760 bytes.
156 Apr 22 21:22:10 polymatou kernel: st0: Block limits 2 - 16777214 bytes.
159 - AutoScan (check checksum of tape)
160 - Format command = "format /dev/nst0"
164 - Seek resolution (usually corresponds to buffer size)
165 - EODErrorCode=ENOSPC or code
166 - Partial Read error code
167 - Partial write error code
168 - Nonformatted read error
169 - Nonformatted write error
170 - WriteProtected error
174 - IgnoreCloseErrors=yes
184 - FD sends unsaved file list to Director at end of job (see
186 - File daemon should build list of files skipped, and then
187 at end of save retry and report any errors.
188 - Write a Storage daemon that uses pipes and
189 standard Unix programs to write to the tape.
191 - Need something that monitors the JCR queue and
192 times out jobs by asking the deamons where they are.
193 - Enhance Jmsg code to permit buffering and saving to disk.
194 - device driver = "xxxx" for drives.
195 - restart: paranoid: read label fsf to
196 eom read append block, and go
197 super-paranoid: read label, read all files
198 in between, read append block, and go
199 verify: backspace, read append block, and go
200 permissive: same as above but frees drive
201 if tape is not valid.
203 - Ensure that /dev/null works
204 - Need report class for messages. Perhaps
205 report resource where report=group of messages
206 - enhance scan_attrib and rename scan_jobtype, and
207 fill in code for "since" option
208 - Director needs a time after which the report status is sent
209 anyway -- or better yet, a retry time for the job.
210 Don't reschedule a job if previous incarnation is still running.
211 - Some way to automatically backup everything is needed????
212 - Need a structure for pending actions:
214 - termination status (part of buffered msgs?)
215 - Concept of grouping Storage devices and job can use
216 any of a number of devices
218 Read, Write, Clean, Delete
219 - Login to Bacula; Bacula users with different permissions:
220 owner, group, user, quotas
221 - Store info on each file system type (probably in the job header on tape.
222 This could be the output of df; or perhaps some sort of /etc/mtab record.
225 - Design at hierarchial storage for Bacula.
226 - Implement FSM (File System Modules).
227 - Identify unchanged or "system" files and save them to a
228 special tape thus removing them from the standard
229 backup FileSet -- BASE backup.
230 - Turn virutally all sprintfs into snprintfs.
231 - Heartbeat between daemons.
232 - Audit M_ error codes to ensure they are correct and consistent.
233 - Add variable break characters to lex analyzer.
234 Either a bit mask or a string of chars so that
235 the caller can change the break characters.
236 - Make a single T_BREAK to replace T_COMMA, etc.
237 - Ensure that File daemon and Storage daemon can
238 continue a save if the Director goes down (this
239 is NOT currently the case). Must detect socket error,
240 buffer messages for later.
241 - Enhance time/duration input to allow multiple qualifiers e.g. 3d2h
242 - Add ability to backup to two Storage devices (two SD sessions) at
243 the same time -- e.g. onsite, offsite.
244 - Add the ability to consolidate old backup sets (basically do a restore
245 to tape and appropriately update the catalog). Compress Volume sets.
246 Might need to spool via file is only one drive is available.
247 - Compress or consolidate Volumes of old possibly deleted files. Perhaps
248 someway to do so with every volume that has less than x% valid
253 Bacula Projects Roadmap
255 last update 5 January 2003
257 Item 1: Multiple simultaneous Jobs. (done)
258 Done -- Restore part needs better implementation to work correctly
260 What: Permit multiple simultaneous jobs in Bacula.
262 Why: An enterprise level solution needs to go fast without the
263 need for the system administrator to carefully tweak
264 timing. Based on the benchmarks, during a full
265 backup, NetWorker typically hit 10 times the bandwidth to
266 the tape compared to Bacula--largely. This is probably due to
267 running parallel jobs and multi-threaded filling of buffers
268 and writing them to tape. This should also make things work
269 better when you have a mix of fast and slow machines backing
272 Notes: Bacula was designed to run multiple simultaneous jobs. Thus
273 implementing this is a matter of some small cleanups and
277 Item 2: Make the Storage daemon use intermediate file storage to buffer data.
278 Deferred -- not necessary yet.
280 What: If data is coming into the SD too fast, buffer it to
281 disk if the user has configured this option.
283 Why: This would be nice, especially if it more or less falls out
284 when implementing (1) above. If not, it probably should not
285 be given a high priority because fundamentally the backup time
286 is limited by the tape bandwidth. Even though you may finish a
287 client job quicker by spilling to disk, you still have to
288 eventually get it onto tape. If intermediate disk buffering
289 allows us to improve write bandwidth to tape, it may make
292 Notes: Whether or not this is implemented will depend upon performance
293 testing after item 1 is implemented.
296 Item 3: Write the bscan program -- also write a bcopy program.
299 What: Write a program that reads a Bacula tape and puts all the
300 appropriate data into the catalog. This allows recovery
301 from a tape that is no longer in the database, or it allows
302 re-creation of a database if lost.
304 Why: This is a fundamental robustness and disaster recovery tool
305 which will increase the comfort level of a sysadmin
306 considering adopting Bacula.
308 Notes: A skeleton of this program already exists, but much work
309 needs to be done. Implementing this will also make apparent
310 any deficiencies in the current Bacula tape format.
313 Item 4: Implement Base jobs.
315 What: A base job is sort of like a Full save except that you
316 will want the FileSet to contain only files that are unlikely
317 to change in the future (i.e. a snapshot of most of your
318 system after installing it). After the base job has been run,
319 when you are doing a Full save, you can specify to exclude
320 all files saved by the base job that have not been modified.
322 Why: This is something none of the competition does, as far as we know
323 (except BackupPC, which is a Perl program that saves to disk
324 only). It is big win for the user, it makes Bacula stand out
325 as offering a unique optimization that immediately saves time
328 Notes: Big savings in tape usage. Will require more resources because
329 the e. DIR must send FD a list of files/attribs, and the FD must
330 search the list and compare it for each file to be saved.
333 Item 5: Implement Label templates
335 What: This is a mechanism whereby Bacula can automatically create
336 a tape label for new tapes according to a detailed specification
337 provided by the user.
339 Why: It is a major convenience item for folks who use automated label
342 Notes: Bacula already has a working form of automatic tape label
343 creation, but it is very crude. The design for the complete
344 tape labeling project is already documented in the manual.
347 Item 6: Write a regression script.
350 What: This is an automatic script that runs and tests as many features
351 of Bacula as possible. The output is compared to previous
352 versions of Bacula and any differences are reported.
354 Why: This is an enormous help in preventing introduction of new
355 errors in parts of the program that already work correctly.
357 Notes: This probably should be ranked higher, it's something the typical
358 user doesn't see. Depending on how it's implemented, it may
359 make sense to defer it until the archival tape format and
360 user interface mature.
363 Item 7: GUI for interactive restore
364 Item 8: GUI for interactive backup
366 What: The current interactive restore is implemented with a tty
367 interface. It would be much nicer to be able to "see" the
368 list of files backed up in typical GUI tree format.
369 The same mechanism could also be used for creating
370 ad-hoc backup FileSets (item 8).
372 Why: Ease of use -- especially for the end user.
374 Notes: Rather than implementing in Gtk, we probably should go directly
375 for a Browser implementation, even if doing so meant the
376 capability wouldn't be available until much later. Not only
377 is there the question of Windows sites, most
378 Solaris/HP/IRIX, etc, shops can't currently run Gtk programs
379 without installing lots of stuff admins are very wary about.
380 Real sysadmins will always use the command line anyway, and
381 the user who's doing an interactive restore or backup of his
382 own files will in most cases be on a Windows machine running
386 Item 9: Add SSL to daemon communications.
388 What: This provides for secure communications between the daemons.
390 Why: This would allow doing backup across the Internet without
391 privacy concerns (or with much less concern).
393 Notes: The vast majority of near term potential users will be backing up
394 a single site over a LAN and, correctly or not, they probably
395 won't be concerned with security, at least not enough to go to
396 the trouble to set up keys, etc. to screw things down. We suspect
397 that many users genuinely interested in multi-site backup
398 already run some form of VPN software in their internetwork
399 connections, and are willing to delegate security to that layer.
402 Item 10: Define definitive tape format.
405 What: Define that definitive tape format that will not change
406 for the next millennium.
408 Why: Stability, security.
410 Notes: See notes for item 11 below.
413 Item 11: New daemon communication protocol.
415 What: The current daemon to daemon protocol is basically an ASCII
416 printf() and sending the buffer. On the receiving end, the
417 buffer is sscanf()ed to unpack it. The new scheme would
418 be a binary format that allows quick packing and unpacking
419 of any data type with named fields.
421 Why: Using binary packing would be faster. Named fields will permit
422 error checking to ensure that what is sent is what the
423 receiver really wants.
425 Notes: These are internal improvements in the interest of the
426 long-term stability and evolution of the program. On the one
427 hand, the sooner they're done, the less code we have to rip
428 up when the time comes to install them. On the other hand, they
429 don't bring an immediately perceptible benefit to potential
430 users. Item 10 and possibly item 11 should be deferred until Bacula
431 is well established with a growing user community more or
432 less happy with the feature set. At that time, it will make a
433 good "next generation" upgrade in the interest of data
439 ======================================================
441 It is somewhat like a Full save becomes an incremental since
442 the Base job (or jobs) plus other non-base files.
444 - New BaseFile table that contains:
445 JobId, BaseJobId, FileId (from Base).
446 i.e. for each base file that exists but is not saved because
447 it has not changed, the File daemon sends the JobId, BaseId,
448 and FileId back to the Director who creates the DB entry.
449 - To initiate a Base save, the Director sends the FD
450 the FileId, and full filename for each file in the Base.
451 - When the FD finds a Base file, he requests the Director to
452 send him the full File entry (stat packet plus MD5), or
453 conversely, the FD sends it to the Director and the Director
454 says yes or no. This can be quite rapid if the FileId is kept
455 by the FD for each Base Filename.
456 - It is probably better to have the comparison done by the FD
457 despite the fact that the File entry must be sent across the
459 - An alternative would be to send the FD the whole File entry
460 from the start. The disadvantage is that it requires a lot of
461 space. The advantage is that it requires less communications
463 - The Job record must be updated to indicate that one or more
465 - At end of Job, FD returns:
466 1. Count of base files/bytes not written to tape (i.e. matches)
467 2. Count of base file that were saved i.e. had changed.
468 - No tape record would be written for a Base file that matches, in the
469 same way that no tape record is written for Incremental jobs where
470 the file is not saved because it is unchanged.
471 - On a restore, all the Base file records must explicitly be
472 found from the BaseFile tape. I.e. for each Full save that is marked
473 to have one or more Base Jobs, search the BaseFile for all occurrences
475 - An optimization might be to make the BaseFile have:
481 This would avoid the need to explicitly fetch each File record for
482 the Base job. The Base Job record will be fetched to get the
483 VolSessionId and VolSessionTime.
484 =========================================================
486 ==========================================================
488 For each Incremental job that is run, there may be files that
489 were found but not saved because they were locked (this applies
490 only to Windows). Such a system could send back to the Director
491 a list of Unsaved files.
493 - New UnSavedFiles table that contains:
497 - Then in the next Incremental job, the list of Unsaved Files will be
498 feed to the FD, who will ensure that they are explicitly chosen even
499 if standard date/time check would not have selected them.
500 =============================================================
504 =============================================================
506 Request For Comments For File Backup Options
509 Subject: File Backup Options
512 A few days ago, a Bacula user who is backing up to file volumes and
513 using compression asked if it was possible to suppress compressing
514 all .gz files since it was a waste of CPU time. Although Bacula
515 currently permits using different options (compression, ...) on
516 a directory by directory basis, it cannot do it on a file by
517 file basis, which is clearly what was desired.
519 Proposed Implementation:
520 To solve this problem, I propose the following:
522 - Add a new Director resource type called FileOptions.
524 - The FileOptions resource will have records for all
525 options that can currently be specified on the Include record
526 (in a FileSet). Examples below.
528 - The FileOptions resource will permit an exclude option as well
529 as a number of additional options.
531 - The heart of the FileOptions resource is the ability to
532 supply any number of ApplyTo records which specify POSIX
533 regular expressions. These ApplyTo regular expressions are
534 applied to the fully qualified filename (path and all). If
535 one matches, then the FileOptions will be used.
537 - When an ApplyTo specification matches an included file, the
538 options specified in the FileOptions resource will override
539 the default options specified on the Include record.
541 - Include records will be modified to permit referencing one or
542 more FileOptions resources. The FileOptions will be used
543 in the order listed on the Include record and the first
544 one that matches will be applied.
546 - Options (or specifications) currently supplied on the Include
547 record will be deprecated (i.e. removed in a later version a
548 year or so from now).
550 - The Exclude record will be deprecated as the same functionality
551 can be obtained by using an Exclude = yes in the FileOptions.
554 The following records can appear in the FileOptions resource. An
555 asterisk preceding the name indicates a feature not currently
559 - Compression= (GZIP, ...)
560 - Signature= (MD5, SHA1, ...)
562 - OneFs= (yes/no) - remain on one filesystem
563 - Recurse= (yes/no) - recurse into subdirectories
564 - Sparse= (yes/no) - do sparse file backup
565 - *Exclude= (yes/no) - exclude file from being saved
566 - *Reader= (filename) - external read (backup) program
567 - *Plugin= (filename) - read/write plugin module
570 - verify= (ipnougsamc5) - verify options
573 - replace= (always/ifnewer/ifolder/never) - replace options currently
575 - *Writer= (filename) - external write (restore) program
579 Currently options specifying compression, MD5 signatures, recursion,
580 ... of a FileSet are supplied on the Include record. These will now
581 all be collected into a FileOptions resource, which will be
582 specified on the Include in place of the options. Multiple FileOptions
583 may be specified. Since the FileOptions contain regular expressions
584 that are applied to the full filename, this will give the ability
585 to specify backup options on a file by file basis to whatever level
594 Include = compression=GZIP signature=MD5 {
603 Include = FileOptions=Opts {
614 That's a lot more to do the same thing, but it gives the ability to
615 apply options on a file by file basis. For example, suppose you
616 want to compress all files but not any file with extensions .gz or .Z.
617 You could do so as follows:
621 Include = FileOptions=NoCompress FileOptions=Opts {
629 ApplyTo = /*.?*/ # matches all files
634 # Note multiple ApplyTos are ORed
635 ApplyTo = /*.gz/ # matches .gz files */
636 ApplyTo = /*.Z/ # matches .Z files */
639 Now, since the NoCompress FileOptions is specified first on the
640 Include line, any *.gz or *.Z file will have an MD5 signature computed,
641 but will not be compressed. For all other files, the NoCompress will not
642 match, so the Opts options will be used which will include GZIP
646 - Is it necessary to provide some means of ANDing regular expressions
647 and negation? (not currently planned)
649 e.g. ApplyTo = /*.gz/ && !/big.gz/
651 - I see that Networker has a "null" module which, if specified, does not
652 backup the file, but does make an record of the file in the catalog
653 so that the catalog will reflect an exact picture of the filesystem.
654 The result is that the file can be "seen" when "browsing" the save
655 sets, but it cannot be restored.
657 Is this really useful? Should it be implemented in Bacula?
660 After implementing the above, the user will be able to specify
661 on a file by file basis (using regular expressions) what options are
662 applied for the backup.
663 ====================================
665 =========================================
666 Proposal by Bill Sellers
668 Return-Path: <w.a.sellers@larc.nasa.gov>
669 Received: from post.larc.nasa.gov (post.larc.nasa.gov [128.155.4.45]) by matou.sibbald.com (8.11.6/8.11.6) with ESMTP id h0ELUIm07622 for <kern@sibbald.com>; Tue, 14 Jan 2003 22:30:18 +0100
670 Received: from Baron.larc.nasa.gov (baron.larc.nasa.gov [128.155.40.132]) by post.larc.nasa.gov (pohub4.6) with ESMTP id QAA09768 for <kern@sibbald.com>; Tue, 14 Jan 2003 16:30:14 -0500 (EST)
671 Message-Id: <5.1.0.14.2.20030114153452.028dbae8@pop.larc.nasa.gov>
672 X-Sender: w.a.sellers@pop.larc.nasa.gov
673 X-Mailer: QUALCOMM Windows Eudora Version 5.1
674 Date: Tue, 14 Jan 2003 16:30:18 -0500
675 To: Kern Sibbald <kern@sibbald.com>
676 From: Bill Sellers <w.a.sellers@larc.nasa.gov>
677 Subject: Re: [Bacula-users] Bacula remote storage?
678 In-Reply-To: <1042565382.1845.177.camel@rufus>
679 References: <5.1.0.14.2.20030114113004.0293a210@pop.larc.nasa.gov> <5.1.0.14.2.20030113170650.028dad88@pop.larc.nasa.gov> <5.1.0.14.2.20030113170650.028dad88@pop.larc.nasa.gov> <5.1.0.14.2.20030114113004.0293a210@pop.larc.nasa.gov>
681 Content-Type: text/plain; charset="us-ascii"; format=flowed
682 X-Annoyance-Filter-Junk-Probability: 0
683 X-Annoyance-Filter-Classification: Mail
684 At 06:29 PM 1/14/2003 +0100, you wrote:
687 >Well, if you cannot put a Bacula client on the machine,
688 >then it is a big problem. If you know of some software
689 >that can do what you want, let me know, because I
690 >really just don't know how to do it -- at least not
696 We have been able to get Amanda to use the HSM as a storage
697 device. Someone here wrote a driver for Amanda. BUT, Amanda doesn't
698 handle Windows systems very well (or at all without Samba). So I am
699 looking for a backup system that has a Windows client. I really like the
700 Windows integration of Bacula.
702 From the command line, its rather trivial to move the data around. We use
705 tar cf - ./files | gzip -c | rsh hsm dd of=path/file.tgz
707 or if you use GNU tar:
709 tar czf hsm:path/file.tgz ./files
711 One idea for you to consider; Sendmail offers pipes in the aliases file;
712 (mailpipe: "|/usr/bin/vacation root") and Perl supports pipes in the
713 "open" statement (open FILE, "|/bin/nroff -man";) Could you could make a
714 pipe available, as a storage device? Then we could use any command that
715 handles stdin as a storage destination.
722 #Password is not used in rsh, but might be used in ftp.
723 Device = "| gzip -c | rsh hsm dd of=path/file.tgz"
730 Password = "foobar&-"
731 Device = "| ncftpput -c hsm /path/file.bacula"
735 >If you have some local storage available, you could
736 >use Bacula to backup to disk volumes, then use some
737 >other software (ftp, scp) to move them to the HSM
738 >machine. However, this is a bit kludgy.
741 It is, but maybe worth a try. Is there some function in Bacula to put
742 variables in filenames? i.e. backup.2003-01-15.root
749 w.a.sellers@larc.nasa.gov
751 ==============================================
752 The Project for the above
754 I finally realized that this is not at all
755 the same as reader/writer programs or plugins,
756 which are alternate ways of accessing the
757 files to be backed up. Rather, it is an alternate
758 form of storage device, and I have always planned
759 that Bacula should be able to handle all sorts
762 So, I propose the following phases:
764 1. OK from you to invest some time in testing
765 this as I implement it (requires that you
766 know how to download from the SourceForge
767 cvs -- which I imagine is a piece of cake
770 2. Dumb implementation by allowing a device to
771 be a fifo for write only.
772 Reason: easy to implement, proof of concept.
774 3. Try reading from fifo but with fixed block
776 Reason: proof of concept, easy to implement.
778 4. Extend reading from fifo (restores) to handle
780 Reason: requires some delicate low level coding
781 which could destabilize all of Bacula.
783 5. Implementation of above but to a program. E.g.
784 Device = "|program" (not full pipeline).
785 Reason: routines already exist, and program can
786 be a shell script which contains anything.
788 6. Add full pipeline as a possibility. E.g.
789 Device = "| gzip -c | rsh hsm dd of=path/file.tgz"
790 Reason: needs additional coding to implement full
791 pipeline (must fire off either a shell or all
792 programs and connect their pipes).
794 There are a good number of details in each step
795 that I have left out, but I will specify them at
796 every stage, and there may be a few changes as things
797 evolve. I expect that to get to stage 5 will take a
798 few weeks, and at that point, you will have
799 everything you need (just inside a script).
800 Stage 6 will probably take longer, but if this
801 project pleases you, what we do for 5 should
802 be adequate for some time.
806 =============================================
808 Done: (see kernsdone for more)
809 - Look into Pruning/purging problems or why there seem to
810 be so many files listed each night.
811 - Fix cancel in find_one -- need jcr.
812 - Cancel does not work for restore in FD.
813 - Write SetJobStatus() function so cancel status not lost.
814 - Add include list to end of chain in findlib
815 - Zap sd_auth_key after use
816 - Add Bar code reading capabilities (new mtx-changer)
817 - Figure out some way to automatically backup all local partitions
818 - Make hash table for linked files in findlib/find_one.c:161
820 - Rewrite find_one.c to use only pool_memory instead of
821 alloca and malloc (probably not necessary).
822 - Make sure btraceback goes into /sbin not sysconf directory.
823 - InitVerify is getting pruned and it shouldn't (document it)
824 - Make 1.28c release ??? NO do 1.29 directly
825 - Set timeout on opening fifo for save or restore (findlib)
826 - Document FIFO storage device.
827 - Document fifo and | and <
830 - Get correct error status from run_program or open_bpipe().
831 - Restrict permissions on File Volumes (now 0640).
832 - Umasked 022 daemons