Bacula-users

Re: [Bacula-users] restore error

2010-03-18 19:29:02
Subject: Re: [Bacula-users] restore error
From: Mark Yarbrough <marky AT itechnv DOT com>
To: "bacula-users AT lists.sourceforge DOT net" <bacula-users AT lists.sourceforge DOT net>
Date: Thu, 18 Mar 2010 16:26:21 -0700
The dmesg looks great, and the autochanger has a permanent cleaning tape, so I 
am good there.

I ran the following and btape reported an error.  Any suggestions?

--begin paste--

storage:/etc/bacula# btape -v -c bacula-sd.conf /dev/nst0
Tape block granularity is 1024 bytes.
btape: butil.c:272 Using device: "/dev/nst0" for writing.
18-Mar 16:11 btape: 3301 Issuing autochanger "loaded drive 0" command.
18-Mar 16:11 btape: 3302 Autochanger "loaded drive 0", result is Slot 1.
18-Mar 16:11 btape: 3301 Issuing autochanger "loaded drive 0" command.
18-Mar 16:11 btape: 3302 Autochanger "loaded drive 0", result is Slot 1.
btape: btape.c:338 open device "Drive-1" (/dev/nst0): OK
*test

=== Write, rewind, and re-read test ===

I'm going to write 1000 records and an EOF
then write 1000 records and an EOF, then rewind,
and re-read the data to verify that it is correct.

This is an *essential* feature ...

btape: btape.c:795 Wrote 1000 blocks of 64412 bytes.
btape: btape.c:469 Wrote 1 EOF to "Drive-1" (/dev/nst0)
btape: btape.c:811 Wrote 1000 blocks of 64412 bytes.
btape: btape.c:469 Wrote 1 EOF to "Drive-1" (/dev/nst0)
btape: btape.c:820 Rewind OK.
1000 blocks re-read correctly.
Got EOF on tape.
1000 blocks re-read correctly.
=== Test Succeeded. End Write, rewind, and re-read test ===


=== Write, rewind, and position test ===

I'm going to write 1000 records and an EOF
then write 1000 records and an EOF, then rewind,
and position to a few blocks and verify that it is correct.

This is an *essential* feature ...

btape: btape.c:907 Wrote 1000 blocks of 64412 bytes.
btape: btape.c:469 Wrote 1 EOF to "Drive-1" (/dev/nst0)
btape: btape.c:923 Wrote 1000 blocks of 64412 bytes.
btape: btape.c:469 Wrote 1 EOF to "Drive-1" (/dev/nst0)
btape: btape.c:932 Rewind OK.
Reposition to file:block 0:4
btape: btape.c:1012 Bad data in record. Expected 5, got 1 at byte 0. Test 
failed!

--end paste--

 

-----Original Message-----
From: Thomas Mueller [mailto:thomas AT chaschperli DOT ch] 
Sent: Tuesday, March 09, 2010 1:25 PM
To: bacula-users AT lists.sourceforge DOT net
Subject: Re: [Bacula-users] restore error

Am Tue, 09 Mar 2010 07:50:50 -0800 schrieb Mark Yarbrough:

> I am getting the follwoing errors on restoring any file from tape:
> 
> 09-Mar 07:22 storage-sd: 3302 Autochanger "loaded drive 0", result:
> nothing loaded. 09-Mar 07:22 storage-sd:
> RestoreFiles.2010-03-09_07.22.19 Warning: acquire.c:146 Couldn't rewind
> device "Drive-1" (/dev/nst0): ERR=dev.c:678 Rewind error on "Drive-1"
> (/dev/nst0). ERR=No medium found. 09-Mar 07:22 storage-sd: 3301 Issuing
> autochanger "loaded drive 0" command. 09-Mar 07:22 storage-sd: 3302
> Autochanger "loaded drive 0", result: nothing loaded. 09-Mar 07:22
> storage-sd: 3304 Issuing autochanger "load slot 1, drive 0" command.
> 09-Mar 07:23 storage-sd: RestoreFiles.2010-03-09_07.22.19 Error:
> block.c:263 Volume data error at 0:0! Wanted ID: "BB02", got "". Buffer
> discarded. 09-Mar 07:23 storage-sd: RestoreFiles.2010-03-09_07.22.19
> Warning: acquire.c:146 Requested Volume "000037L3" on "Drive-1"
> (/dev/nst0) is not a Bacula labeled Volume, because: ERR=block.c:263
> Volume data error at 0:0! Wanted ID: "BB02", got "". Buffer discarded.
> 09-Mar 07:23 storage-sd: Please mount Volume "000037L3" on Storage
> Device "Drive-1" (/dev/nst0) for Job RestoreFiles.2010-03-09_07.22.19
> 
> note: the tape is in the drive and ready to go.  Nothing has changed
> from the backup and the attempted restore process.
> 
> I have tried to restore from other jobs that are older thus different
> tapes with the same result.

have a look at your kernel messages (dmesg) about messages "st
[[:digit:]]" and scsi errors.

and maybe you need to clean your drive?

have you ever tried to restore before, did you run the "btape" tests?

- Thomas



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Download Intel&#174; Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
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