Amanda-Users

Re: Dell PowerVault 124T issues

2006-08-12 15:25:49
Subject: Re: Dell PowerVault 124T issues
From: Joshua Baker-LePain <jlb17 AT duke DOT edu>
To: Iulian Topliceanu <iulian.topliceanu AT net-m DOT de>
Date: Sat, 12 Aug 2006 11:45:31 -0400 (EDT)
On Sat, 12 Aug 2006 at 4:00pm, Iulian Topliceanu wrote

Hi,

Joshua Baker-LePain wrote:

Well, sg2 is the tape drive itself and sg7, like I said, is the
backplane in the server.  I'm guessing that the changer is on the same
SCSI ID as the tape drive but on another LUN.  Add
'options scsi_mod max_luns=255' to /etc/modprobe.conf, remake the
initrd, and reboot.  Let us know if that helps.

I've modified /etc/modules.conf (since I'm still running Amanda on a RH 9)
adding the like.

That's actually the wrong syntax for RH9. That syntax is for 2.6 based distros. I believe it's 'max_scsi_luns' for 2.4, but you'd have to check yourself.

By failing to communicate I understand things like this:

[root@nuts root]# mtx -f /dev/sg2 status
mtx: Request Sense: Long Report=yes
mtx: Request Sense: Valid Residual=no
mtx: Request Sense: Error Code=70 (Current)
mtx: Request Sense: Sense Key=Illegal Request

Well, mtx is designed to talk to a changer, not a tape drive. Get your OS talking to your changer, and point mtx at that.

--
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University

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