Re: [Xen-devel] XenStore tdb vs. reboot

[Matt Wilson <msw@xxxxxxxxxx>]

On Fri, Aug 24, 2012 at 04:05:56PM +0100, Ian Campbell wrote:
> On Fri, 2012-08-24 at 16:00 +0100, Philipp Hahn wrote:
> > Is the XenStore tdb supposed to survive a reboot or must it be cleared
> > between each reboot? 
> 
> Stuff in xenstore is not required to survive a reboot and clearing it on
> boot is a good best practice, since it avoids bugs in the C
> xenstored ;-)

Many installations that are using C xenstored mount /var/lib/xenstored
as a tmpfs. It seems that a proposed patch [1] to the Linux init
scripts (pre-xencommons) wasn't applied.

> The ocaml xenstore doesn't even have an on disk DB by default.
> 
> Ian.

Matt

[1] http://lists.xen.org/archives/html/xen-devel/2010-01/msg00667.html

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