On Tue, 2010-03-30 at 15:58 +0200, Lorenzo Quatrini wrote: > 2010/3/30 nate <centos at linuxpowered.net>: > > Lorenzo Quatrini wrote: > >> Hi all, > >> do you know if there is a way at boot time do disable specific LUN's on a > >> SCSI > >> bus of a particular controller? > > > > What do you need to do this for? > > > > How about just echoing the command to /proc/scsi/scsi > > > > echo "scsi remove-single-device X X X X" >/proc/scsi/scsi > > > > get the values for the various X's from /proc/scsi/scsi e.g. > > Host: scsi0 Channel: 01 Id: 00 Lun: 00 > > Vendor: MegaRAID Model: LD 0 RAID1 69G Rev: 521S > > Type: Direct-Access ANSI SCSI revision: 02 > > > > would be 0 1 0 0 > > > > nate > > > This is what I'm doing right now; but I was searching for a way of > doing it earlier on startup. > I'm playing with a non partitionable DS4300 FC, and I would like to > avoid LUN contention. > > Lorenzo --- scsi_dev_flags SCSI black/white list. scsi_dev_flags=vendor:model:flags This option lets the user add entries to the SCSI black/white list for a specific vendor and model of device. Dug it up from my notes. This goes on the kernel boot line. John