Re: [Bacula-users] Tape MTEOM error with Dell TL2000 (IBM

Yvan,

Could you paste a copy of your bacula-sd.conf. The device and auto changer 
sections.

I have found that if I load the tape into the drive then run the fill test it 
will not give the WEOF error, but when it loads the second tape it will give 
the WEOF error. 

If I have any other tape in the drive before I start and btape loads tape one 
for the fill test I get the WEOF error on both the first and second tape. 

The btape test runs 100% including the append test. Here is a snippet of the 
last fill test I ran. I had already loaded tape 1 into the drive before start. 
I also did an erase on both tapes using John's two mt commands.

Also would it make a difference that I am running this on Ubuntu 8.0.4 LTS and 
using a fiber channel drive?

H

root@archive:~/bacula/etc# ../bin/btape -c bacula-sd.conf /dev/nst0
Tape block granularity is 1024 bytes.
btape: butil.c:285 Using device: "/dev/nst0" for writing.
05-May 15:40 btape JobId 0: 3301 Issuing autochanger "loaded? drive 0" command.
05-May 15:40 btape JobId 0: 3302 Autochanger "loaded? drive 0", result is Slot 
1.
btape: btape.c:383 open device "Drive-1" (/dev/nst0): OK
*fill

This command simulates Bacula writing to a tape.
It requires either one or two blank tapes, which it
will label and write.

If you have an autochanger configured, it will use
the tapes that are in slots 1 and 2, otherwise, you will
be prompted to insert the tapes when necessary.

It will print a status approximately
every 322 MB, and write an EOF every 3.2 GB.  If you have
selected the simple test option, after writing the first tape
it will rewind it and re-read the last block written.

If you have selected the multiple tape test, when the first tape
fills, it will ask for a second, and after writing a few more 
blocks, it will stop.  Then it will begin re-reading the
two tapes.

This may take a long time -- hours! ...

Do you want to run the simplified test (s) with one tape
or the complete multiple tape (m) test: (s/m) m
Multiple tape test selected.
Wrote Volume label for volume "TestVolume1".
Wrote Start of Session label.
15:44:05 Begin writing Bacula records to first tape ...
Wrote blk_block=5000, dev_blk_num=4999 VolBytes=322,495,488 rate=80623.9 KB/s
Wrote blk_block=10000, dev_blk_num=9999 VolBytes=645,055,488 rate=92150.8 KB/s
Wrote blk_block=15000, dev_blk_num=14999 VolBytes=967,615,488 rate=96761.5 KB/s
Wrote blk_block=20000, dev_blk_num=4499 VolBytes=1,290,175,488 rate=86011.7 KB/s
Wrote blk_block=25000, dev_blk_num=9499 VolBytes=1,612,735,488 rate=76796.9 KB/s
Wrote blk_block=30000, dev_blk_num=14499 VolBytes=1,935,295,488 rate=80637.3 
KB/s


Wrote blk_block=13055000, dev_blk_num=15500 VolBytes=842,204,095,488 
rate=70625.1 KB/s
19:02:52 Flush block, write EOF
Wrote blk_block=13060000, dev_blk_num=4000 VolBytes=842,526,655,488 
rate=70598.9 KB/s
Wrote blk_block=13065000, dev_blk_num=9000 VolBytes=842,849,215,488 
rate=70608.1 KB/s
Wrote blk_block=13070000, dev_blk_num=14000 VolBytes=843,171,775,488 
rate=70611.5 KB/s
Wrote blk_block=13075000, dev_blk_num=3500 VolBytes=843,494,335,488 
rate=70603.0 KB/s
Wrote blk_block=13080000, dev_blk_num=8500 VolBytes=843,816,895,488 
rate=70612.3 KB/s
05-May 19:03 btape JobId 0: End of Volume "TestVolume1" at 1226:13010 on device 
"Drive-1" (/dev/nst0). Write of 64512 bytes got -1.
05-May 19:03 btape JobId 0: Re-read of last block succeeded.
btape: btape.c:2360 Last block at: 1226:13009 this_dev_block_num=13010
btape: btape.c:2394 End of tape 1226:0. VolumeCapacity=844,107,844,608. Write 
rate = 70595.3 KB/s
05-May 19:03 btape JobId 0: End of medium on Volume "TestVolume1" 
Bytes=844,107,844,608 Blocks=13,084,509 at 05-May-2009 19:03.
05-May 19:03 btape JobId 0: 3307 Issuing autochanger "unload slot 1, drive 0" 
command.
05-May 19:04 btape JobId 0: 3301 Issuing autochanger "loaded? drive 0" command.
05-May 19:04 btape JobId 0: 3302 Autochanger "loaded? drive 0", result: nothing 
loaded.
05-May 19:04 btape JobId 0: 3304 Issuing autochanger "load slot 2, drive 0" 
command.
05-May 19:04 btape JobId 0: 3305 Autochanger "load slot 2, drive 0", status is 
OK.
05-May 19:04 btape: Fatal Error at dev.c:1705 because:
dev.c:1704 Attempt to WEOF on non-appendable Volume
Wrote Volume label for volume "TestVolume2".
05-May 19:04 btape JobId 0: Wrote label to prelabeled Volume "TestVolume2" on 
device "Drive-1" (/dev/nst0)
05-May 19:04 btape JobId 0: New volume "TestVolume2" mounted on device 
"Drive-1" (/dev/nst0) at 05-May-2009 19:04.
Done writing 0 records ...
Wrote End of Session label.
Wrote state file last_block_num1=13009 last_block_num2=11


19:04:42 Done filling tapes at 0:13. Now beginning re-read of first tape ...
05-May 19:04 btape JobId 0: 3307 Issuing autochanger "unload slot 2, drive 0" 
command.
05-May 19:05 btape JobId 0: 3304 Issuing autochanger "load slot 1, drive 0" 
command.
05-May 19:05 btape JobId 0: 3305 Autochanger "load slot 1, drive 0", status is 
OK.
05-May 19:05 btape JobId 0: Ready to read from volume "TestVolume1" on device 
"Drive-1" (/dev/nst0).
Rewinding.
Reading the first 10000 records from 0:0.
10000 records read now at 1:5084
Reposition from 1:5084 to 1226:13009
Reading block 13009.

The last block of the first tape matches.

05-May 19:06 btape JobId 0: 3307 Issuing autochanger "unload slot 1, drive 0" 
command.
05-May 19:07 btape JobId 0: 3304 Issuing autochanger "load slot 2, drive 0" 
command.
05-May 19:07 btape JobId 0: 3305 Autochanger "load slot 2, drive 0", status is 
OK.
05-May 19:07 btape JobId 0: Ready to read from volume "TestVolume2" on device 
"Drive-1" (/dev/nst0).
Reposition from 0:0 to 0:1
Reading block 1.

The first block on the second tape matches.

Reposition from 0:2 to 0:11
Reading block 11.

The last block on the second tape matches. Test succeeded.

*







-----Original Message-----
From: yvan [mailto:yvan AT skywalker.is-a-chef DOT com] 
Sent: Thursday, May 07, 2009 6:15 AM
To: Win Htin
Cc: bacula-users AT lists.sourceforge DOT net
Subject: Re: [Bacula-users] Tape MTEOM error with Dell TL2000 (IBM > TS3100)

Hi !

Yes, doing that at the moment. It takes a long time to reset all my 
tapes, erase them, and start some tests on them .... it takes days ... 
More to come soon ...

By the way, what is the best way to erase a tape ? I tried a
"dd if=/dev/zero of=/dev/st0" but I had to stop it after 24h (maybe I 
should use bigger block size to increase speed ?)
mt -f /dev/st0 erase gives me some error : Input/Ouput error after a few 
seconds...

Le 05.05.2009 14:12, Win Htin a écrit :
> Did you erase the tapes before re-running the backups?
>
> I would recommend first to completely erase the tape(s), run "btape"
> to make sure everything is working fine and then start testing the
> actual backups. Capture the output while running "btape" and go
> through it line by line to make sure you don't have even a single
> error.
>
> BTW, I forgot to mention I'm running Bacula version 2.2.6 on RHEL4 and
> 2.4.3 on RHEL5.2.
>
> HTH,
> Win
>
>    
>> Message: 7
>> Date: Mon, 04 May 2009 13:13:45 +0200
>> From: yvan<yvan AT skywalker.is-a-chef DOT com>
>> Subject: Re: [Bacula-users] Tape MTEOM error with Dell TL2000 (IBM
>>         TS3100)
>> To: bacula-users AT lists.sourceforge DOT net
>> Message-ID:<49FECDE9.8050204 AT skywalker.is-a-chef DOT com>
>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>>
>> Hi,
>>
>> thank you for the advices. We have very similar configurations, and I'm
>> sure I'm not too far from the solution. I tried to use your settings in
>> the storage daemon config file, and the "mt" options as well, than I
>> didn't try so far.
>>
>> But, as soon as I put those settings, I have another error
>>
>>         Hardware End of Medium = No     # defaut is Yes
>>         Fast Forward Space File = No    # This line required if above
>>
>> which is :
>> 3-May 02:20 setmseblx0007-sd JobId 170: Error: Unable to position to end
>> of data on device "IBMLTO4" (/dev/nst0): ERR=dev.c:1354 ioctl MTFSF
>> error on "IBMLTO4" (/dev/nst0). ERR=Input/output error.
>>
>> Strange that it works for you then ... I issued all the "mt" commands
>> you wrote. Tapeinfo gives me the samed infos as you have, but it's MTFSF
>> error or MTEOM ...
>>
>> Regards
>> Yvan Broccard
>>      


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