On Mon, Jan 12, 2009 at 9:27 AM, Walter den Besten <w.denbes...@nimbuzz.com> wrote: > Happy new year, to start with.. > > Took some time to get back to the tape problems, is not the only one we are > having :( (enough to do here..) > > But, checked cables, inserted the scsi controller card in an full PCI-X > slot, and rerun the btape after reconfig to use /dev/nst0.. > > test command doesn't show any problems. > Tried fill with multiple tapes, and after about three hours, it ends with > the following: > Hmm. 3 hours is interesting to me. The reason is this is the correct time to write an entire tape. Also in no way should 86GB take 3 hours. To me this sounds like the tape or the tape drive is the problem. But it may also be related to the scsi bus.
> > 14:20:43 Flush block, write EOF > Wrote blk_block=1315000, dev_blk_num=3000 VolBytes=84,574,199,808 > rate=8675.2 KB/s WoW that is slow for LTO! I would do a dd test with the drive something like the ones in this thread: http://www.nabble.com/LTO-4-performance--td17407840.html > Wrote blk_block=1320000, dev_blk_num=8000 VolBytes=84,896,759,808 > rate=8684.2 KB/s > Wrote blk_block=1325000, dev_blk_num=13000 VolBytes=85,219,319,808 > rate=8693.2 KB/s > Wrote blk_block=1330000, dev_blk_num=2500 VolBytes=85,541,879,808 > rate=8696.8 KB/s > Wrote blk_block=1335000, dev_blk_num=7500 VolBytes=85,864,439,808 > rate=8695.1 KB/s > Wrote blk_block=1340000, dev_blk_num=12500 VolBytes=86,186,999,808 > rate=8690.0 KB/s > 14:24:32 Flush block, write EOF > Wrote blk_block=1345000, dev_blk_num=1000 VolBytes=86,509,559,808 > rate=8677.9 KB/s > 12-Jan 14:24 btape JobId 0: End of Volume "TestVolume1" at 126:2437 on > device "TapeStorage" (/dev/nst0). Write of 64512 bytes got -1. > 12-Jan 14:25 btape JobId 0: Re-read of last block succeeded. > btape: btape.c:2349 Last block at: 126:2436 this_dev_block_num=2437 > btape: btape.c:2383 End of tape 126:0. VolumeCapacity=86,602,263,552. Write > rate = 8666.3 KB/s > 12-Jan 14:25 btape JobId 0: End of medium on Volume "TestVolume1" > Bytes=86,602,263,552 Blocks=1,342,421 at 12-Jan-2009 14:25. > Mount blank Volume on device "TapeStorage" (/dev/nst0) and press return when > ready: > > > So, again about 86 GB on the tape.. > > After some tape juggling got following message: > The last block on the second tape matches. Test succeeded. > > So test is successful, but not full tape usage as I was hoping for. > Are you sure your scsi card is operating in the correct mode and you are not seeing any more domain validation messages in your dmesg. John ------------------------------------------------------------------------------ Check out the new SourceForge.net Marketplace. It is the best place to buy or sell services for just about anything Open Source. http://p.sf.net/sfu/Xq1LFB _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
