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From: Tomasz Chmielewski <mangoo@wpkg.org>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Server hangs when writing to LVM volume due to LVM Snapshots
Date: Mon, 16 Jun 2008 21:18:32 +0200	[thread overview]
Message-ID: <4856BC88.4060602@wpkg.org> (raw)
In-Reply-To: <20080616151014.GJ3765@campbell-lange.net>

Veselin Kantsev schrieb:

> The snapshots are 180GB each.

So that makes 7 snapshots, each is 180GB? What percentage is filled?


> The current writing process freezes and working with the LV becomes
> impossible both locally and through the network.

LVM-2 doesn't scale very well.

If you have I/O intensive workloads, I'd discourage using (multiple) 
snapshots.

A single write to the origin mean additional writes to each and every 
snapshot of that origin.


-- 
Tomasz Chmielewski
http://wpkg.org

  reply	other threads:[~2008-06-16 19:18 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-16 13:53 [linux-lvm] Server hangs when writing to LVM volume due to LVM Snapshots Veselin Kantsev
2008-06-16 13:57 ` Tomasz Chmielewski
2008-06-16 14:19   ` Veselin Kantsev
2008-06-16 14:51     ` Tomasz Chmielewski
2008-06-16 15:10       ` Veselin Kantsev
2008-06-16 19:18         ` Tomasz Chmielewski [this message]
2008-06-16 19:38           ` Dan Kegel
2008-06-16 20:02             ` Tomasz Chmielewski
2008-06-16 22:23               ` Dan Kegel
2008-06-17  9:12                 ` Bryn M. Reeves
2008-06-16 21:21             ` Veselin Kantsev
2008-06-16 21:18           ` Veselin Kantsev
2008-06-16 21:22             ` Tomasz Chmielewski
2008-06-16 21:22             ` Dan Kegel

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