[geeks] Shared Firewire Disk?

[Mike Meredith]

On Sun, 17 Dec 2006 00:55:45 +0200, sammy ominsky wrote:
> I just feel that I should note that you'd better make damn sure  
> you're using a filesystem that can handle being shared storage this  
> way.  Cluster filesystems can, such as OCFS and Apple's Xsan stuff,  
> but AFAIK none of the most common server or desktop fses can.  You  
> WILL corrupt your data doing this with UFS, HFS or ext2.  I don't  
> know about ZFS.

Just to be picky ... whilst you can't expect to mount a shared disk on
two systems simultaneously using an ordinary filesystem, you can use a
shared disk with systems taking turns to use it. For example, I once
had an E450, an E3500 and an A1000 on the same SCSI bus. The E3500 ran
the production database, once a day the E450 would shutdown the
database on the E3500, cause the filesystem on the E3500 to unmount the
shared disk, then mount it itself and copy the database elsewhere as a
backup.

-- 
Mike Meredith (http://zonky.org/)
 By the way, you DON'T want to see what a meat layer buffer overrun
 looks like.... (mjr on fw-wiz)