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Date:      Sun, 12 Dec 1999 00:12:07 -0700
From:      Warner Losh <imp@village.org>
To:        Mike Smith <msmith@FreeBSD.ORG>
Cc:        Lyndon Nerenberg <lyndon@orthanc.ab.ca>, freebsd-current@FreeBSD.ORG
Subject:   Re: HEADSUP: wd driver will be retired! 
Message-ID:  <199912120712.AAA37066@harmony.village.org>
In-Reply-To: Your message of "Sat, 11 Dec 1999 17:41:25 PST." <199912120141.RAA00880@mass.cdrom.com> 
References:  <199912120141.RAA00880@mass.cdrom.com>  

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In message <199912120141.RAA00880@mass.cdrom.com> Mike Smith writes:
: This is the usual poorly thought out argument, which fails to note that 
: when you lose a disk you're already screwed due by /etc/fstab and the 
: need to hard-mount local filesystems.

No.  You aren't screwed.  I have a system that needs /, /var, /usr and
/usr/local (all on one disk) to boot, but puts the fsck/mount of all
the other file systems into the background.  If one of them fails, all
the others are still available.

: The "right" solution is and has always been to name your disks and mount 
: them by name.  Once devfs is a reality, we'll be able to do just this.  
: Until then, the problem's not really as bad as you make it out to be.

I'd have to disagree with this.  I was constantly getting burned by
the scsi system until I started hard wiring my scsi disks.  The JAZ
drive I have had a period in its life when sometimes it wouldn't power
on (due to a bad power connection it was later discovered), so
sometimes at boot the system would see it and sometimes not.  My /jaz
partition would wound up being where my /big partition should be and
my /big partition wouldn't be there at all when this happened.  After
hardwiring, /jaz was the only one affected.

The same issue is there with ethernet interfaces too, btw.  I have a
server that has 2 single fxp cards and 4 dual fxp cards.  We need to
replace one of the single fxp cards with a dual one (no more slots and
need another interface), but to do this will require lots of
renumbering/cable shuffle, etc because ALL the interface numbers will
change when we do this.

I'm not convinced that the "right" solution is really "right" here.

Warner


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