From: Neobiker <neo-ml-efw-1106@neobiker.de>
To: xen-devel@lists.xensource.com
Subject: Which disk backend to use in domU?
Date: Fri, 11 Jun 2010 10:06:38 -0700 (PDT) [thread overview]
Message-ID: <28857720.post@talk.nabble.com> (raw)
In-Reply-To: <4C1025C0.2070808@goop.org>
Hello Jeremy,
Jeremy Fitzhardinge wrote:
> Using phy: in your config file? That really isn't recommended because it
> has poor integrity; the writes are buffered in dom0 so writes can be
> reordered or lost on crash, and the guest filesystem can't maintain any
> of its own integrity guarantees.
>
> tap:aio: is more resilient, since the writes go directly to the device
> without buffering.
Do you mean that using tap:aio with a disk.image is prefered against using
phy: with LVM-device?
Best Regards
Jens Friedrich aka Neobiker (www.neobiker.de)
--
View this message in context: http://old.nabble.com/Xen-pv_ops-dom0-2.6.32.13-issues-tp28835895p28857720.html
Sent from the Xen - Dev mailing list archive at Nabble.com.
next prev parent reply other threads:[~2010-06-11 17:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-09 21:02 Xen pv_ops dom0 2.6.32.13 issues greno
2010-06-09 22:37 ` Jeremy Fitzhardinge
2010-06-09 23:27 ` greno
2010-06-09 23:37 ` Jeremy Fitzhardinge
2010-06-11 17:06 ` Neobiker [this message]
2010-06-11 17:42 ` Which disk backend to use in domU? Valtteri Kiviniemi
2010-06-11 17:53 ` Valtteri Kiviniemi
2010-06-11 18:11 ` Neobiker
2010-06-14 10:49 ` Jeremy Fitzhardinge
2010-06-14 10:57 ` Daniel Stodden
2010-06-14 11:01 ` Pasi Kärkkäinen
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