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Date: Sun, 4 Jun 2006 05:07:13 -0700
From: Avleen Vig <lists-freebsd@silverwraith.com>
To: freebsd-hackers@freebsd.org
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Subject: Snapshot's causing access problems
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Is anyone else experiencing this?

I'm finding that during times when a snapshot is being created for a
partition, all access of that partition hangs until the snapshot is
completed.

On a large partition (180Gb, 66% used), this takes over 10 minutes for
me.
I've found that any time the partition (which is NFS mounted) is being
accessed when the snapshot creation starts, the creation seems to take
an even longer amount of time and sometimes isn't complete after 30 mins
when I reboot the box.

The problem is also really bad when the background fsck is starting and
makes a snapshot first, which takes a lot of production time out a
server which just crashed that I'm trying to restore.

-- 
Avleen Vig
Systems Administrator
Personal: www.silverwraith.com

"Wickedness is a myth invented by good people to account for the curious
 attractiveness of others."  - Oscar Wilde