From: aq <aquynh@gmail.com>
To: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>
Cc: Xen-Devel <xen-devel@lists.sourceforge.net>
Subject: Re: how to see the data changing in a running domain?
Date: Sun, 23 Jan 2005 23:37:27 +0900 [thread overview]
Message-ID: <9cde8bff050123063770afb567@mail.gmail.com> (raw)
In-Reply-To: <A95E2296287EAD4EB592B5DEEFCE0E9D1234B4@liverpoolst.ad.cl.cam.ac.uk>
On Sun, 23 Jan 2005 14:22:59 -0000, Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk> wrote:
> > I wonder how I can see the (on-disk) data changing in a running
> > domainU. I tried to do it, but the data looking from outside remains
> > intact, no matter what I modified inside the domainU.
>
> Use NFS root, otherwise the caching (in both kernels) will stop you
> seeing what's going on.
>
> An alternative is to use GFS or OCFS2.
>
OK, so I suppose that there is a (fixed) policy that determines when
to "flush" the "dirty" data from the cache to the virtual disk? If I
dont like to use NFS or other special filesystems, can I expect that
after certain "timeout", I will see the updated data in domainU from
domain0?
Best regards,
AQ
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next prev parent reply other threads:[~2005-01-23 14:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-23 14:22 how to see the data changing in a running domain? Ian Pratt
2005-01-23 14:37 ` aq [this message]
2005-01-23 14:35 ` Mark Williamson
-- strict thread matches above, loose matches on Subject: below --
2005-01-23 14:01 aq
2005-01-23 14:32 ` Mark Williamson
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