Re: [Bacula-users] Can't find the tape changer

"Dan Langille" <dan AT langille DOT org> kirjoitti viestissä 
news:4B54C50E.60108 AT langille DOT org...
> I'm helping a client with a Linux system.  I see the tape drive, but
> cannot find the tape changer.  Clues please.
>
> From dmesg:

> Attached scsi generic sg5 at scsi2, channel 0, id 6, lun 0,  type 1
> Attached scsi generic sg6 at scsi2, channel 0, id 6, lun 1,  type 8
>

Just a wild guess, but are the drive and the changer a single physical 
device with only one interface and scsi address setting? Or can you somehow 
set the id separately for them? Now both have id=6, might it help if you 
could change either of them?

>
> cat /proc/scsi/scsi includes this:
>
> Host: scsi2 Channel: 00 Id: 06 Lun: 01
>   Vendor: DELL     Model: PV-124T          Rev: 0043
>   Type:   Medium Changer                   ANSI SCSI revision: 02
>
> The above makes me think sg6 is the changer... but no luck:
>
> From mtx and mt:
>
> # mtx -f /dev/sg6 inquiry
> Product Type: Medium Changer
> Vendor ID: 'DELL    '
> Product ID: 'PV-124T         '
> Revision: '0043'
> Attached Changer: No
>
> # mt -f /dev/st0 status
> SCSI 2 tape drive:
> File number=0, block number=0, partition=0.
> Tape block size 0 bytes. Density code 0x44 (no translation).
> Soft error count since last status=0
> General status bits on (41010000):
>  BOT ONLINE IM_REP_EN
>
>
> ]# mtx -f /dev/sg6 status
> mtx: Request Sense: Long Report=yes
> mtx: Request Sense: Valid Residual=no
> mtx: Request Sense: Error Code=0 (Unknown?!)
> mtx: Request Sense: Sense Key=No Sense
> mtx: Request Sense: FileMark=no
> mtx: Request Sense: EOM=no
> mtx: Request Sense: ILI=no
> mtx: Request Sense: Additional Sense Code = 00
> mtx: Request Sense: Additional Sense Qualifier = 00
> mtx: Request Sense: BPV=no
> mtx: Request Sense: Error in CDB=no
> mtx: Request Sense: SKSV=no
> READ ELEMENT STATUS Command Failed
>



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