[3445] in linux-scsi channel archive
Name assignation of scsi devices
daemon@ATHENA.MIT.EDU (Mr LEROY christophe)
Wed Mar 4 08:01:16 1998
From: Mr LEROY christophe <leroy@meg.fr>
Date: Wed 04 Mar 13:45:30 1998 (MET)
To: linux-scsi@vger.rutgers.edu
Assigned devices names to scsi drives:
When linux boots, it assignes dynamically names to scsi devices:
- When you add a disk, all your disks whose target is upper are changed, so you
have to modify you /etc/fstab, /etc/mdtab and /etc/raid?.conf
because sdc has become sdd and so on
One can say it is not important as you dont change disks often, but
When a disk is on fire, and you have configured your linux with raid1 to
continue to work in such a situation, it doesn't work because on reboot,
your defectuous disk hasn't been detected so drives designations have changed
and
mdadd doesn't work
So I think it would be better to have fixed scsi device named as you have
for IDE (hdc is always the second IDE master, even if there is no first IDE
slave
Christophe Leroy
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