From mboxrd@z Thu Jan 1 00:00:00 1970 From: aq Subject: Re: how to see the data changing in a running domain? Date: Sun, 23 Jan 2005 23:37:27 +0900 Message-ID: <9cde8bff050123063770afb567@mail.gmail.com> References: Reply-To: aq Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: xen-devel-admin@lists.sourceforge.net Errors-To: xen-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Ian Pratt Cc: Xen-Devel List-Id: xen-devel@lists.xenproject.org On Sun, 23 Jan 2005 14:22:59 -0000, Ian Pratt 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 ------------------------------------------------------- This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting Tool for open source databases. Create drag-&-drop reports. Save time by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc. Download a FREE copy at http://www.intelliview.com/go/osdn_nl