That sounds reasonable. Let me probe around to find which device number the
tape responds to. It appears on different numbers because I have a huge
removable SCSI volume that enumerates earlier than the tape drive and
changer in the /dev/sg(x) list if it happens to be mounted today. If I left
it mounted all the time, the stupid desktop motherboard would try to boot
from this storage volume.
This error message takes about a minute to appear (/dev/nst0 behaves the
same way):
[EMAIL PROTECTED]:~# mtx -f /dev/st0 inquiry
cannot open SCSI device '/dev/st0' - Input/output error
This one comes back immediately (/dev/nst1 behaves the same way):
[EMAIL PROTECTED]:/dev# mtx -f /dev/st1 inquiry
cannot open SCSI device '/dev/st1' - No such device or address
This comes back immediately, but it's not the format you recommend:
[EMAIL PROTECTED]:/dev# mtx -f /dev/sg2 inquiry
Product Type: Tape Drive
Vendor ID: 'IBM '
Product ID: 'ULTRIUM-TD3 '
Revision: '5BG2'
Attached Changer API: No
I don't know if this helps:
[EMAIL PROTECTED]:/dev# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: 3ware Model: Logical Disk 0 Rev: 1.2
Type: Direct-Access ANSI SCSI revision: ffffffff
Host: scsi0 Channel: 00 Id: 05 Lun: 00
Vendor: 3ware Model: Logical Disk 5 Rev: 1.2
Type: Direct-Access ANSI SCSI revision: ffffffff
Host: scsi2 Channel: 00 Id: 03 Lun: 00
Vendor: IBM Model: ULTRIUM-TD3 Rev: 5BG2
Type: Sequential-Access ANSI SCSI revision: 03
Host: scsi2 Channel: 00 Id: 03 Lun: 01
Vendor: DELL Model: PV-124T Rev: 0031
Type: Medium Changer ANSI SCSI revision: 02
-dP
-----Original Message-----
From: Michael Nelson [spam-protected]
Sent: Friday, April 27, 2007 2:52 PM
To: Petcher, Daniel
Cc: bacula-users@lists.sourceforge.net
Subject: Re: [Bacula-users] Two problems talking to Dell PowerVault 124T
(LTO3)
When you want to access the autochanger, you talk to /dev/sg3. When you
want to talk to the tape drive (as in using btape) you want to pass it the
drive device, ie: /dev/nst0.
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