Re: [Xen-users] shared storage manual remount ...

To:	"Fajar A. Nugraha" <fajar@xxxxxxxxx>
Subject:	Re: [Xen-users] shared storage manual remount ...
From:	Zoran Popović <shoom013@xxxxxxxxx>
Date:	Fri, 5 Feb 2010 23:48:47 +0100
Cc:	Xen User-List <xen-users@xxxxxxxxxxxxxxxxxxx>
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Yes, you're right, I have tested dropping the cache and it works like a charm, thank you !
ZP.

2010/2/4 Fajar A. Nugraha <fajar@xxxxxxxxx>

2010/2/4 Zoran Popović <shoom013@xxxxxxxxx>:

> The case: I have a VLUN (on FC SAN) presented on two servers, but mounted
> only on one host - to be more precise, used by a Xen HVM guest system as a
> raw physical phy:// drive. Then, I put this guest down, and bring it
> manually up on second host - it can see changed images, and make changes to
> the presented disks. Then I put it down there, and bring it up again on the
> first host - BUT THEN, this guest (or host) doesn't see changes made by the
> second system, it still sees the picture as it was the way it left it.

It looks similar to this: https://bugzilla.redhat.com/show_bug.cgi?id=466681
As a temporary workaround, echo 1 > /proc/sys/vm/drop_caches should do.

--
Fajar

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Re: [Xen-users] shared storage manual remount ...