Martin Aherron wrote: > Ran across an interesting deadlock situation that I can't explain. > This is a configuration that has been working reliably for months.
I see this fairly regularly (about once a month) too. I have no idea why bacula demands that a tape which is already mounted in one drive be mounted in another. Some better sanity checking wouldn't go amiss. :-) (In my setup any pool can be mounted on any drive. This is most likely the default setup for most installations) > excerpt from status command: > > Device status: > Autochanger "Overland Neo" with devices: > "ULTRIUM-TD1-1" (/dev/nvdrive_1) > "ULTRIUM-TD1-2" (/dev/nvdrive_2) > "ULTRIUM-TD1-3" (/dev/nvdrive_3) > "ULTRIUM-TD1-4" (/dev/nvdrive_4) > Device "ULTRIUM-TD1-1" (/dev/nvdrive_1) is mounted with: > Volume: Tape_20_52 > Pool: Pool_1 > Media type: Ultrium-1 > Slot 9 is loaded in drive 0. > Total Bytes=15,525,328,896 Blocks=240,657 Bytes/block=64,512 > Positioned at File=97 Block=0 > Device "ULTRIUM-TD1-2" (/dev/nvdrive_2) is mounted with: > Volume: CTape_50_10 > Pool: Pool_2 > Media type: Ultrium-1 > Device is BLOCKED waiting for mount of volume "CTape_50_9", > Pool: Pool_2 > Media type: Ultrium-1 > Slot 83 is loaded in drive 1. > Total Bytes Read=64,512 Blocks Read=1 Bytes/block=64,512 > Positioned at File=0 Block=0 > Device "ULTRIUM-TD1-3" (/dev/nvdrive_3) is mounted with: > Volume: CTape_50_9 > Pool: Pool_3 > Media type: Ultrium-1 > Device is BLOCKED waiting for mount of volume "CTape_50_10", > Pool: Pool_3 > Media type: Ultrium-1 > Slot 10 is loaded in drive 2. > Total Bytes Read=64,512 Blocks Read=1 Bytes/block=64,512 > Positioned at File=0 Block=0 > > > Running Jobs: > Writing: Incremental Backup job Enterprise JobId=3401 Volume="CTape_50_9" > pool="Pool_2" device="ULTRIUM-TD1-2" (/dev/nvdrive_2) > spooling=0 despooling=0 despool_wait=0 > Files=0 Bytes=0 Bytes/sec=0 > FDReadSeqNo=6 in_msg=6 out_msg=4 fd=13 > Writing: Full Backup job SalesDB JobId=3402 Volume="CTape_50_10" > pool="Pool_3" device="ULTRIUM-TD1-3" (/dev/nvdrive_3) > spooling=0 despooling=0 despool_wait=0 > Files=0 Bytes=0 Bytes/sec=0 > FDReadSeqNo=6 in_msg=6 out_msg=4 fd=12 > ==== > > > excerpt from list volumes: > > > Pool: Pool_2 > +---------+------------+-----------+---------+---------------+----------+--------------+---------+------+-----------+-----------+---------------------+ > > > | mediaid | volumename | volstatus | enabled | volbytes | volfiles > | volretention | recycle | slot | inchanger | mediatype | > lastwritten | > +---------+------------+-----------+---------+---------------+----------+--------------+---------+------+-----------+-----------+---------------------+ > > > | 135 | CTape_50_9 | Append | 1 | 9,490,618,368 | 37 > | 5,184,000 | 1 | 83 | 1 | Ultrium-1 | 2011-09-07 > 02:06:12 | > +---------+------------+-----------+---------+---------------+----------+--------------+---------+------+-----------+-----------+---------------------+ > > > Pool: Pool_3 > +---------+-------------+-----------+---------+----------------+----------+--------------+---------+------+-----------+-----------+---------------------+ > > > | mediaid | volumename | volstatus | enabled | volbytes | > volfiles | volretention | recycle | slot | inchanger | mediatype | > lastwritten | > +---------+-------------+-----------+---------+----------------+----------+--------------+---------+------+-----------+-----------+---------------------+ > > > | 136 | CTape_50_10 | Append | 1 | 38,421,218,304 | > 41 | 5,184,000 | 1 | 10 | 1 | Ultrium-1 | 2011-09-07 > 02:06:17 | > +---------+-------------+-----------+---------+----------------+----------+--------------+---------+------+-----------+-----------+---------------------+ > > > > > Notice that two devices assigned to two different jobs using two > different pools are blocking each other. > Anyone have any insight? > > Thanks. > > Martin > > > > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------------ > Why Cloud-Based Security and Archiving Make Sense > Osterman Research conducted this study that outlines how and why cloud > computing security and archiving is rapidly being adopted across the IT > space for its ease of implementation, lower cost, and increased > reliability. 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