Hi Again
This has baffled me. The previous night's report at my remote site has stated
that a backup was successful without errors! Any ideas why backup has worked
on Thursday night when all week (Monday to Wednesday) the tape drive had
input/output errors?
Latest log here:-
08-Mar 21:30 Server-dir: RunBefore: Connecting to Director localhost:9101
08-Mar 21:30 Server-dir: RunBefore: 1000 OK: Server-dir Version: 1.36.2 (28
February 2005)
08-Mar 21:30 Server-dir: RunBefore: Enter a period to cancel a command.
08-Mar 21:30 Server-dir: RunBefore: mount storage=DDS4
08-Mar 21:30 Server-dir: RunBefore: Using default Catalog name=MyCatalog
DB=bacula
08-Mar 21:30 Server-dir: RunBefore: 3001 Mounted Volume: Thu-A
08-Mar 21:30 Server-dir: RunBefore: 3001 Device /dev/nst0 is already mounted
with Volume "Thu-A"
08-Mar 21:30 Server-dir: RunBefore: exit
08-Mar 21:30 Server-dir: Start Backup JobId 902,
Job=HaverhillJob.2007-03-08_21.30.00
08-Mar 21:30 Server-dir: Recycled current volume "Thu-A"
08-Mar 21:30 Server-sd: Recycled volume "Thu-A" on device "/dev/nst0", all
previous data lost.
08-Mar 23:19 Server-dir: Volume used once. Marking Volume "Thu-A" as Used.
08-Mar 23:19 Server-dir: Bacula 1.36.2 (28Feb05): 08-Mar-2007 23:19:10
JobId: 902
Job: HaverhillJob.2007-03-08_21.30.00
Backup Level: Full
Client: Server-fd
FileSet: "HaverhillFiles" 2006-11-18 00:08:52
Pool: "HaverhillPool"
Storage: "DDS4"
Start time: 08-Mar-2007 21:30:02
End time: 08-Mar-2007 23:19:10
FD Files Written: 192,639
SD Files Written: 192,639
FD Bytes Written: 14,373,145,446
SD Bytes Written: 14,400,061,242
Rate: 2195.0 KB/s
Software Compression: 37.1 %
Volume name(s): Thu-A
Volume Session Id: 1
Volume Session Time: 1173355217
Last Volume Bytes: 14,422,023,619
Non-fatal FD errors: 0
SD Errors: 0
FD termination status: OK
SD termination status: OK
Termination: Backup OK
08-Mar 23:19 Server-dir: Begin pruning Jobs.
08-Mar 23:19 Server-dir: Pruned 1 Job for client Server-fd from catalog.
08-Mar 23:19 Server-dir: Begin pruning Files.
08-Mar 23:19 Server-dir: Pruned 1 Files from 1 Jobs for client Server-fd from
catalog.
08-Mar 23:19 Server-dir: End auto prune.
08-Mar 23:19 Server-dir: RunAfter: Connecting to Director localhost:9101
08-Mar 23:19 Server-dir: RunAfter: 1000 OK: Server-dir Version: 1.36.2 (28
February 2005)
08-Mar 23:19 Server-dir: RunAfter: Enter a period to cancel a command.
08-Mar 23:19 Server-dir: RunAfter: unmount storage=DDS4
08-Mar 23:19 Server-dir: RunAfter: Using default Catalog name=MyCatalog
DB=bacula
08-Mar 23:20 Server-dir: RunAfter: 3002 Device /dev/nst0 unmounted.
08-Mar 23:20 Server-dir: RunAfter: exit
-- Regards
Alan To
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Alan To
Sent: 08 March 2007 12:07
To: [email protected]
Cc: HAWKER, Dan (external)
Subject: Re: [Bacula-users] DDS4 DAT Tape Drive Failure?
Hi Dan, Hi All
It is slightly difficult to check [movement] as the server is on a separate
site to where I am based. Anyway I have just catalogued my scsi devices and
yes, it is there/detected:
# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: ADAPTEC Model: AAR-2410SA RAID5 Rev: V1.0
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: ATA Model: WDC WD400JD-00LS Rev: 06.0
Type: Direct-Access ANSI SCSI revision: 05
Host: scsi2 Channel: 00 Id: 03 Lun: 00
Vendor: HP Model: C5683A Rev: C111
Type: Sequential-Access ANSI SCSI revision: 02
If it wasn't detected then I would not be able to do the mt command (I would
get the error "No such device or address" instead) e.g. (I don't have a second
tape drive so nst1 has nothing there):
# mt -f /dev/nst0 rewind
/dev/nst0: Input/output error
# mt -f /dev/nst1 rewind
/dev/nst1: No such device or address
What's next can I troubleshoot, prior to purchasing new hardware or going to
the site?
-- Many Thanks
Alan To
From: HAWKER, Dan (external) [mailto:[EMAIL PROTECTED]
Sent: 08 March 2007 11:40
To: Alan To;[email protected]
Subject: RE: [Bacula-users] DDS4 DAT Tape Drive Failure?
I have been happily doing nightly full backups on one of my Linux Servers for a
few months now. However, since the beginning of this week I have been getting
the following errors. Has my Tape Drive failed? Has a cable got broken?
Could somebody give me a How-To in order to Troubleshoot my tape drive please?
07-Mar 21:32 Server-dir: RunBefore: 3901 open device failed: ERR=dev.c:289
stored: unable to open device /dev/nst0: ERR=Input/output error 07-Mar 21:32
Server-dir: RunBefore:
07-Mar 21:32 Server-dir: RunBefore: You have messages.
07-Mar 21:32 Server-dir: RunBefore: exit 07-Mar 21:32 Server-dir: Start Backup
JobId 900, Job=HaverhillJob.2007-03-07_21.30.00
07-Mar 21:34 Server-fd: HaverhillJob.2007-03-07_21.30.00 Fatal error:
job.c:1665 Bad response to Append Data command. Wanted 3000 OK data , got 3903
Error append data
07-Mar 21:34 Server-sd: HaverhillJob.2007-03-07_21.30.00 Fatal error:
device.c:317 Unable to open device /dev/nst0. ERR=dev.c:289 stored: unable to
open device /dev/nst0: ERR=Input/output error
Here is part of my "dmesg" with my Tape Drive detected:-
scsi2 : Initio INI-A100U2W SCSI device driver; Revision: 1.02d
Vendor: HP Model: C5683A Rev: C111
Type: Sequential-Access ANSI SCSI revision: 02
st: Version 20040403, fixed bufsize 32768, s/g segs 256
Attached scsi tape st0 at scsi2, channel 0, id 3, lun 0
st0: try direct i/o: yes (alignment 512 B), max page reachable by HBA 1048575
Note that mt commands (such as mt -f /dev/nst0 rewind or mt -f /dev/st0 rewind)
also give me input/output errors, when I turn Bacula off.
Hi Alan,
Sounds like its either dead or just unplugged. Done any moving around lately???
What do you have in /proc/scsi/scsi ??? (# cat /proc/scsi/scsi)
It should list (depending upon your setup) the tape drive and maybe some
SCSI/SATA/USB hard disks too, in fact anything that uses the generic SCSI
kernel module.
If your tape drive isn't listed then the kernel knows nothing of it and it just
ain't going to work (and hence why mt and bacula fail). If it is, then it could
be something more difficult to pin down.
If it isn't listed, then you'll need to check the usual things (powered on or
not, everything plugged in correctly, SCSI termination, etc, etc). Is there
anything else plugged into the HBA that could have died??? Could the HBA be
faulty or the drive??? Just try some usual checks, move the drive to another
HBA to see if its OK or the HBA is dead, check its not been in-advertently
powered off (cable unplugged, tripped over cable, etc, etc)...
And so on and so on...
HTH
Dan
--
Dan Hawker
Linux System Administrator
Astrium
http://www.astrium.eads.net
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