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[Xen-users] RE: Problems with LVM in Xen3.0

To: xen-users@xxxxxxxxxxxxxxxxxxx, Christian Keil <c.keil@xxxxxxxxxx>
Subject: [Xen-users] RE: Problems with LVM in Xen3.0
From: Christian Wicke <xen.christian@xxxxxxxxxxxxxxx>
Date: Tue, 20 Dec 2005 23:10:34 +0100
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Hello Christian,

I just read your mail with LVM snapshotting problems under Xen.
I had similar problems with xen 2.0. I don't think the problem is xen related though. I found some mails that say that LVM2 snapshotting is not stable yet in 2.6 kernels. (See here: www.ussg.iu.edu/hypermail/linux/kernel/0410.1/0861.html
I documentet some of the mails on my howto-page for Sarge and Xen 2.0 (http://www.xmlvalidation.com/xen_howto_sarge.0.html)

I found another mail from November 2nd from Alasdair G Kergon where he had a patch for the hang-problem with LVM2 snapshots (see here: http://archives.free.net.ph/message/20051102.000353.81a647cf.en.html). But I don't know whether this is accepted in the kernel yet. I don't know either whether LVM snapshotting is stable after this fix or if there are more problems with it.

If you find out that snapshotting is ready for production, please let me know.


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