I've been working (limping) along for several months using the following hardware/software bacula autochanger tape setup:
Software: # uname -a FreeBSD bkup.utoronto.ca 7.0-RELEASE-p4 FreeBSD 7.0-RELEASE-p4 #2: Thu Sep 4 08:58:43 EDT 2008 [EMAIL PROTECTED]:/opt/obj/opt/src/sys/GENERIC i386 # pkg_info | grep bacula bacula-bat-2.4.3 The network backup solution (GUI) bacula-client-2.4.3 The network backup solution (client) bacula-docs-2.4.3 The Bacula document set bacula-server-2.4.3 The network backup solution (server) Hardware: # dmesg | grep -i scsi ahc0: <Adaptec 2940 Ultra SCSI adapter> port 0xb400-0xb4ff mem 0xfeafe000-0xfeafefff irq 16 at device 4.0 on pci3 aic7880: Ultra Wide Channel A, SCSI Id=7, 16/253 SCBs da0: <3ware Logical Disk 00 1.00> Fixed Direct Access SCSI-0 device sa0: <HP Ultrium 1-SCSI E32K> Removable Sequential Access SCSI-3 device ch0: <DELL PV-122T D37r> Removable Changer SCSI-2 device I've gotten less than stellar performance from the tape/autochanger set up: # echo "list media Pool=Default" | bconsole Connecting to Director backup.cns.utoronto.ca:9101 1000 OK: backup-dir Version: 2.4.3 (10 October 2008) Enter a period to cancel a command. list media Pool=Default Automatically selected Catalog: MySQL Using Catalog "MySQL" +---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+--------------+---------------------+ | MediaId | VolumeName | VolStatus | Enabled | VolBytes | VolFiles | VolRetention | Recycle | Slot | InChanger | MediaType | LastWritten | +---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+--------------+---------------------+ | 36 | Catalog | Error | 1 | 95,398,772,324 | 22 | 31,536,000 | 1 | 0 | 1 | Media-backup | 2008-06-30 11:48:22 | | 559 | Vol-1 | Full | 1 | 160,904,991,744 | 683 | 31,536,000 | 1 | 1 | 1 | LTO-1 | 2008-08-27 05:31:50 | | 568 | Vol-3 | Full | 1 | 11,174,833,152 | 54 | 34,560,000 | 1 | 3 | 1 | LTO-1 | 2008-08-30 07:32:28 | | 570 | Vol-4 | Full | 1 | 23,107,295,232 | 106 | 34,560,000 | 1 | 4 | 1 | LTO-1 | 2008-09-05 05:55:30 | | 572 | Vol-7 | Full | 1 | 69,669,347,328 | 297 | 34,560,000 | 1 | 7 | 1 | LTO-1 | 2008-09-21 03:24:23 | | 573 | Vol-6 | Full | 1 | 3,281,596,416 | 19 | 34,560,000 | 1 | 6 | 1 | LTO-1 | 2008-09-22 14:00:12 | | 574 | Vol-5 | Error | 1 | 25,882,149,888 | 127 | 34,560,000 | 1 | 5 | 1 | LTO-1 | 2008-09-29 04:00:32 | | 578 | Vol-2 | Full | 1 | 2,737,889,280 | 19 | 34,560,000 | 1 | 0 | 0 | LTO-1 | 2008-10-28 03:53:34 | | 579 | Vol-8 | Full | 1 | 140,503,200,768 | 429 | 34,560,000 | 1 | 8 | 1 | LTO-1 | 2008-10-27 02:29:38 | | 595 | Catalog-01 | Append | 1 | 515,814,669 | 0 | 34,560,000 | 1 | 0 | 0 | Media-backup | 2008-10-30 04:56:26 | +---------+------------+-----------+---------+-----------------+----------+--------------+---------+------+-----------+--------------+---------------------+ Notice that the VolBytes is all over the map. Some tapes seem to indicate "full" even after 3 Gbytes of data. So I wanted to dig a bit deeper and performed a standard "btape fill" exercise, using Vol-2, which "failed" after 2.7G last time it was in service. After several hours of writing, about 80Gbytes worth I received the low level kernel error message: ... ch0 at ahc0 bus 0 target 3 lun 0 ch0: <DELL PV-122T D37r> Removable Changer SCSI-2 device ch0: 3.300MB/s transfers ch0: 8 slots, 1 drive, 1 picker, 0 portals Trying to mount root from ufs:/dev/ad0s1a .... (sa0:ahc0:0:5:0): Unexpected busfree in Data-out phase SEQADDR == 0x7c (sa0:ahc0:0:5:0): lost device (sa0:ahc0:0:5:0): failed to write terminating filemark(s) (sa0:ahc0:0:5:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM command to clear this state. And after this fact the /dev/sa0 device was no longer usable and btape was wedged. Any ideas? Either the Dell hardware is very flaky and can not be used in a production service, or I've got some scsi hardware tuning to do. Thanks in advance. -- Russell Sutherland [EMAIL PROTECTED] +1.416.696.7600 ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users