All I can talk to you, is that I've got last week a customer having lots of 
trouble with
their quantum sdlt (IBM release).

We get a new tape 10 pack. Inside there's some bad tape. And if you try a 
simple operation
like loading tape and issue a mt -f /dev/st0 rewind or status or eject we ended 
a I/O error
Cartridge fault.
The bad was we have to stop the serveur, remove the electrical power. Then 
relauch.

We update the server with lastest firmware. (There's one for the lsi internal 
scsi card).

Now the tape load, indicate an I/O error cartridge fault, but we keep the drive 
working.
An eject command is working ( without shutdown ).

So my advise would be, try to find the lastest firmware hp update CD ( which is 
8.0 ).
And boot with it, to double-check if there's any update ....
It really help. (I see this on another customers with ML570 Proliant which have 
disk trouble last saturday night).

Hope this help you a bit.

RA Cohen wrote:
> I have used Bacula with great success with Compaq Proliant DL380 G3s and 
> the Compaq (Quantum) 20/40 and 40/80 DLT drives. These were mostly 
> external drives plugged into the same SCSI channel as the drives on 
> these machines. I never had problems that left me scratching my head 
> and, incidentally, never ran these drives with SCSI terminators.
> 
> Now I have had to upgrade several of my customers to the Quantum 160/320 
> SDLT and there have been nothing but problems! OK, I understand it is 
> best practice to add a separate SCSI controller for tape drives in 
> general, and I have done so. I also believe these drives like to be 
> terminated, and I have done that. But what in the world is going on when:
> 
> 1. Correct tape is in drive, tape marked Recycle in catalog.
> 2. Stat Dir reports the jobs scheduled to run that night correctly, and 
> directed to the tape in the drive.
> 3. Night comes - unfortunately I do not have the exact message here - 
> but the key is the first job is "waiting on device ExternalQuantum" 
> [ExternalQuantum] is obviously the drive. The other jobs are also just 
> piled up behind as expected. If is issue "mount" I get the same "waiting 
> on" message eventually.
> 4. If I cancel everything, umount the drive, quit bacula, and run:
> 
> 5. mt -f /dev/sa0 rewind
> 6. mt -f  /dev/sa0 weof
> 
> Re-enter bconsole and:
> 
> 7. If I run each job manually (in the identical and correct order 
> because the first job loads and last job unloads) without purging and 
> deleting the volume I am in the same place exactly.
> 8. If I purge and delete the volume and then manually run each job they 
> all run perfectly.
> 
> And I also should mention that this seems to be somewhat tape-dependent 
> - sometimes they will recycle and accept the job correctly. But, the 
> tapes that produce the error mentioned on step #3 seem also to be able 
> to accept the jobs when done in the manner of step #8, above, so I 
> cannot conclude these tapes are bad. And I also should note I am having 
> this problem on two somewhat different systems:
> 
> -Proliant G3 FreeBSD 6.2 server Bacula 2.2.8_2 with drive on separate 
> SCSI controller and terminated. External drive array shelf attached to 
> on-board controller as are the internal drives.
> -Proliant G3 FreeBSD 6.2 server Bacula 2.2.8_2 drive on same on-board 
> controller as internal drives and not terminated.
> 
> Here is the drive stuff from bacula-sd.conf:
> 
> # A FreeBSD tape drive
> Device {
>  Name = Quantum160
>  Media Type = SDLT
>  Archive Device = /dev/sa0
>  AutomaticMount = yes
>  AlwaysOpen = yes
>  LabelMedia = yes
>  Offline On Unmount = no
>  Hardware End of Medium = no
>  BSF at EOM = no
>  Backward Space Record = no
>  Backward Space File = no
>  Fast Forward Space File = yes
>  TWO EOF = no
> }
> 
> I have tried the alternate configuration in the Bacula docs with same 
> result.
> 
> I'm stumped - any and all help welcomed and appreciated.
> 


-- 

     Bruno Friedmann

Ioda-Net Sàrl   - www.ioda-net.ch
  2830 Vellerat - Switzerland

  Tél : ++41 32 435 7171
  Fax : ++41 32 435 7172
  gsm : ++41 78 802 6760

C'est Facile et Cool d'Évoluer en ligne : www.cfcel.com


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