got close to 120 MBs, using 64kb buffer and 20gb maximum file size
using btape...now test with real data...gary
=======================================================
blocksize set with mt and in bacula-sd.conf to == 65536
=======================================================
[root@genepi1 bacula]# btape -c /etc/bacula/bacula-sd.conf /dev/nst0
Tape block granularity is 1024 bytes.
btape: butil.c:284 Using device: "/dev/nst0" for writing.
01-Dec 13:36 btape JobId 0: 3301 Issuing autochanger "loaded? drive 0" command.
01-Dec 13:36 btape JobId 0: 3302 Autochanger "loaded? drive 0", result
is Slot 12.
btape: btape.c:476 open device "LTO-4" (/dev/nst0): OK
*speed file_size=20 nb_file=10 skip_raw
btape: btape.c:1082 Test with zero data and bacula block structure.
btape: btape.c:960 Begin writing 10 files of 21.47 GB with blocks of
65536 bytes.
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 111.2 MB/s
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 111.8 MB/s
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 111.8 MB/s
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 111.8 MB/s
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 111.8 MB/s
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 111.8 MB/s
=======================================================
blocksize set with mt and in bacula-sd.conf to == 32768
=======================================================
[root@genepi1 bacula]# btape -c /etc/bacula/bacula-sd.conf /dev/nst0
Tape block granularity is 1024 bytes.
btape: butil.c:284 Using device: "/dev/nst0" for writing.
01-Dec 13:12 btape JobId 0: 3301 Issuing autochanger "loaded? drive 0" command.
01-Dec 13:12 btape JobId 0: 3302 Autochanger "loaded? drive 0", result
is Slot 12.
btape: btape.c:476 open device "LTO-4" (/dev/nst0): OK
*speed file_size=20 nb_file=10 skip_raw
btape: btape.c:1082 Test with zero data and bacula block structure.
btape: btape.c:960 Begin writing 10 files of 21.47 GB with blocks of
32768 bytes.
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 94.60 MB/s
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 95.44 MB/s
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 95.44 MB/s
+.....
btape: btape.c:608 Wrote 1 EOF to "LTO-4" (/dev/nst0)
btape: btape.c:410 Volume bytes=21.47 GB. Write rate = 95.02 MB/s
On Wed, Nov 30, 2011 at 8:02 AM, gary artim <gar...@gmail.com> wrote:
> Hi --
>
> Getting about 41.6/MBs and hoping for closer to the max (120MB). I
> tried maximum file sizes of 5, 8, 12GB -- 12GB the best the others
> where about 35/MBs. Any advise welcomed...should I look at max/min
> block sizes?
> most of the data is big, genetics data -- filesizes avg in the 500/MB
> to 3-4/GB -- looking at a growth from 4TB to 15TB in the next 2 years.
>
> run results and bacula-sd.conf and bacula-dir.conf below...
>
> thanks
> -- gary
>
> Run:
> ===
>
> Build OS: x86_64-redhat-linux-gnu redhat
> JobId: 5
> Job: Prodbackup.2011-11-29_19.32.42_05
> Backup Level: Full
> Client: "bacula-fd" 5.0.3 (04Aug10)
> x86_64-redhat-linux-gnu,red
>
>
> hat,
> FileSet: "FileSetProd" 2011-11-29 19:32:42
> Pool: "FullProd" (From Job FullPool override)
> Catalog: "MyCatalog" (From Client resource)
> Storage: "LTO-4" (From Job resource)
> Scheduled time: 29-Nov-2011 19:32:26
> Start time: 29-Nov-2011 19:32:45
> End time: 29-Nov-2011 21:15:53
> Elapsed time: 1 hour 43 mins 8 secs
> Priority: 10
> FD Files Written: 35,588
> SD Files Written: 35,588
> FD Bytes Written: 257,543,090,368 (257.5 GB)
> SD Bytes Written: 257,548,502,159 (257.5 GB)
> Rate: 41619.8 KB/s
> Software Compression: None
> VSS: no
> Encryption: no
> Accurate: no
> Volume name(s): f03
> Volume Session Id: 1
> Volume Session Time: 1322622337
> Last Volume Bytes: 257,740,342,272 (257.7 GB)
> Non-fatal FD errors: 0
> SD Errors: 0
> FD termination status: OK
> SD termination status: OK
> Termination: Backup OK
>
> bacula-sd.conf:
> ==========
>
> Autochanger {
> Name = Autochanger
> Device = LTO-4
> Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
> Changer Device = /dev/changer
> }
> Device {
> Name = LTO-4
> Media Type = LTO-4
> Archive Device = /dev/nst0
> AutomaticMount = yes; # when device opened, read it
> AlwaysOpen = yes;
> RemovableMedia = yes;
> RandomAccess = no;
> Maximum File Size = 12GB
> Autochanger = yes
> Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
> Alert Command = "sh -c 'smartctl -H -l error %c'"
> }
> bacula-dir.conf:
> ==========
>
> Job {
> Name = "Prodbackup"
> Client = bacula-fd
> FileSet = "FileSetProd"
> Schedule = "ScheduleProd"
> Write Bootstrap = "/var/spool/bacula/%c.bsr"
> Full Backup Pool = FullProd
> Incremental Backup Pool = IncrProd
> Differential Backup Pool = DiffProd
> Storage = LTO-4
> Type = Backup
> Level = Incremental
> Pool = IncrProd
> Priority = 10
> Messages = Standard
> }
> FileSet {
> Name = "FileSetProd"
> Include {
> Options {
> WildFile = "*.OLD"
> WildFile = "*.o"
> WildFile = "*.bak"
> exclude = yes
> }
> File = /my/home/xxxxxxx
> }
> Exclude {
> File = /my/home/tmp
> }
> }
> Schedule {
> Name = "ScheduleProd"
> Run = Full 1st sun at 16:05
> Run = Pool {
> Name = FullProd
> Label Format = "FullProd"
> Pool Type = Backup
> Recycle = yes # Bacula can automatically recycle Volumes
> AutoPrune = yes # Prune expired volumes
> Volume Retention = 10 years
> Maximum Volume Jobs = 1
> }
>
> Pool {
> Name = DiffProd
> Label Format = "DiffProd"
> Pool Type = Backup
> Recycle = yes
> AutoPrune = yes
> Volume Retention = 40 days
> Maximum Volume Jobs = 1
> }
>
> Pool {
> Name = IncrProd
> Label Format = "IncrProd"
> Pool Type = Backup
> Recycle = yes
> AutoPrune = yes
> Volume Retention = 10 days
> Maximum Volume Jobs = 1
> }
> Differential 2nd-5th sun at 16:05
> Run = Incremental mon-sat at 16:05
> }
>
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