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Re: [Xen-users] probing disk i/o over all domU's

from [Rafał Kupka]

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Subject:	Re: [Xen-users] probing disk i/o over all domU's
From:	Rafał Kupka <rkupka+Listy.Xen@xxxxxxxxxxxxx>
Date:	Thu, 21 Aug 2008 11:03:41 +0200
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On Thu, Aug 21, 2008 at 10:11:16AM +0200, Stephan Seitz wrote:
Hi,

> iostat shows up a huge list of dm-NN devices, but I don't know how to
> identify these devices. I assume these are the lv's used by the
> different domU's.

Newer versions of iostat command have -N switch.

from iostat(1):
-N Display the registered device mapper names for any device mapper
devices.  Useful for viewing LVM2 statistics.

Example:
# iostat -N
...
utemp_lvm-Home    19.10        13.02       139.80    1965114   21102112

VG - utemp_lvm
LV - Home

Kupson
-- 
Great software without the knowledge to run it is pretty useless.
(Linux Gazette #1)

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