Hi
You should use data spooling http://www.bacula.org/5.0.x-
manuals/en/main/main/Data_Spooling.html
With a sufficient spool directory size to despool for at least 10 minutes
on the tape.
Best regards ! (Be indulgent for my english I am french ;-))
----------------------------------------------------------------------------------------------------
Le 26 mars 2017 05:29, "Caribe Schreiber" <car...@auctionharmony.com> a
écrit :
> *sigh*
>
> Do you folks ever have one of those days where it seems like you just
> can't win? I'm apparently having one of those days.
>
> Hopefully the mail client doesn't flub the line endings this time.
>
> Slow copy job output:
>
> backup-sd JobId 64 Sending spooled attrs to the Director. Despooling 2,615
> bytes ...
>
> Elapsed time=02:03:24, Transfer rate=7.346 M Bytes/second
>
> backup-dir JobId 64 No Files found to prune.
>
> End auto prune.
>
> Bacula backup-dir 7.4.4 (202Sep16):
>
> Build OS: x86_64-pc-linux-gnu gentoo
>
> JobId: 64
>
> Job: BackupImage.2017-03-24_21.45.00_45
>
> Backup Level: Full
>
> Client: "primary-fd" 7.4.4 (202Sep16)
> x86_64-pc-linux-gnu,gentoo,
>
> FileSet: "BackupFileSet" 2017-03-24 21:45:00
>
> Pool: "file.full" (From Job resource)
>
> Catalog: "MyCatalog" (From Client resource)
>
> Storage: "file" (From Pool resource)
>
> Scheduled time: 24-Mar-2017 21:45:00
>
> Start time: 25-Mar-2017 00:12:38
>
> End time: 25-Mar-2017 02:16:03
>
> Elapsed time: 2 hours 3 mins 25 secs
>
> Priority: 13
>
> FD Files Written: 7
>
> SD Files Written: 7
>
> FD Bytes Written: 54,391,511,056 (54.39 GB)
>
> SD Bytes Written: 54,391,515,157 (54.39 GB)
>
> * Rate: 7345.2 KB/s*
>
> Software Compression: 57.8% 2.4:1
>
> Snapshot/VSS: no
>
> Encryption: yes
>
> Accurate: no
>
> Volume name(s): full-Vol-0024|full-Vol-0029
>
> Volume Session Id: 49
>
> Volume Session Time: 1490104159
>
> Last Volume Bytes: 22,911,377,270 (22.91 GB)
>
> Non-fatal FD errors: 0
>
> SD Errors: 0
>
> FD termination status: OK
>
> SD termination status: OK
>
> Termination: Backup OK
>
> Begin pruning Jobs older than 6 months .
>
> No Jobs found to prune.
>
> Begin pruning Files.
>
> backup-dir Using Device "Drive-1" to write.
>
> backup-sd Elapsed time=00:39:02, *Transfer rate=23.22 M Bytes/second*
> backup-sd Alert: smartctl 6.4 2015-06-04 r4109 [x86_64-linux-4.4.39-gentoo]
> (local build)
>
> Alert: Copyright (C) 2002-15, Bruce Allen, Christian Franke,
> www.smartmontools.org
>
> Alert: TapeAlert: OK
>
> Alert: === START OF READ SMART DATA SECTION ===
>
> Alert:
>
> Alert: Error Counter logging not supported
>
> backup-sd Sending spooled attrs to the Director. Despooling 2,615 bytes ...
>
> Alert: Last n error events log page
>
> Alert:
>
> Alert:
>
>
>
> dd read speed of one of the disk backup files in the job:
>
> backup bacula # dd if=full-Vol-0029 of=/dev/null bs=4M
> 12799+1 records in
> 12799+1 records out
> 53687083817 bytes (54 GB, 50 GiB) copied, 111.637 s, *481 MB/s*
>
>
> Bonnie output:
>
> backup ~ # bonnie++ -u root
> Using uid:0, gid:0.
> Writing a byte at a time...done
> Writing intelligently...done
> Rewriting...done
> Reading a byte at a time...done
> Reading intelligently...done
> start 'em...done...done...done...done...done...
> Create files in sequential order...done.
> Stat files in sequential order...done.
> Delete files in sequential order...done.
> Create files in random order...done.
> Stat files in random order...done.
> Delete files in random order...done.
> Version 1.97 ------Sequential Output------ --Sequential Input-
> --Random-
> Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block--
> --Seeks--
> Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP
> /sec %CP
> backup 126G 1211 97 601130 47 240240 17 5506 94* 759982*
> *22* 698.1 10
> Latency 9305us 710ms 646ms 15409us 276ms
> 519ms
> Version 1.97 ------Sequential Create------ --------Random
> Create--------
> backup -Create-- --Read--- -Delete-- -Create-- --Read---
> -Delete--
> files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
> /sec %CP
> 16 16535 15 +++++ +++ +++++ +++ +++++ +++ +++++ +++
> +++++ +++
> Latency 385us 360us 714us 383us 370us
> 345us
> 1.97,1.97,backup,1,1490480328,126G,,1211,97,601130,47,240240
> ,17,5506,94,759982,22,698.1,10,16,,,,,16535,15,+++++,+++,+++
> ++,+++,+++++,+++,+++++,+++,+++++,+++,9305us,710ms,646ms,1540
> 9us,276ms,519ms,385us,360us,714us,383us,370us,345us
>
>
>
> SD config:
>
> #
> # A file changer for disk based backups
> #
> Autochanger {
> Name = FileChgr1
> Device = FileChgr1-Dev1
> Changer Command = ""
> Changer Device = /dev/null
> }
>
> Device {
> Name = FileChgr1-Dev1
> Media Type = file
> Archive Device = /home/backups/bacula
> LabelMedia = yes; # lets Bacula label unlabeled media
> Random Access = Yes;
> AutomaticMount = yes; # when device opened, read it
> RemovableMedia = no;
> AlwaysOpen = no;
> Maximum Concurrent Jobs = 5
> }
>
>
>
> #
> # An HP 1/8 autochanger device with one drive
> #
> Autochanger {
> Name = AutochangerHP
> Device = Drive-1
> Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
> Changer Device = /dev/sg3
> }
>
> Device {
> Name = Drive-1 #
> Media Type = LTO-6
> Archive Device = /dev/nst0
> AutomaticMount = yes; # when device opened, read it
> AlwaysOpen = yes;
> RemovableMedia = yes;
> RandomAccess = no;
> AutoChanger = yes
> Maximum File Size = 10GB
> Alert Command = "sh -c 'smartctl -H -l error %c'"
> }
>
> I'm a little stumped about why the raw hardware read/write speeds are so
> different from the bacula copy job speeds.
>
> I'm hoping the collective wisdom of the list can give me some ideas on
> other places to look for speed issues or config changes so that I don't
> prematurely wear out this drive head with shoe-shining (of course...faster
> backups are always welcome too!).
>
> Thanks in advance!
>
> ~Caribe
>
> --
> *Caribe Schreiber*
>
> ------------------------------------------------------------
> ------------------
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