[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] how to see the data changing in a running domain?
> 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. Ian > I did it this way: I use a file-based rootfs (got from ttylinux), and > created a domainU on that rootfs. Everything was fine. Then from > domain0, I mounted that "rootfs" file in read-only mode, with this > command: "mount -o loop -o ro rootfs /mnt". After that I could see the > data inside the rootfs. > > Then I suppose that from outside (domain0), I can watch for the data > of domainU changing in realtime. To test, I just did a comand like > this from inside domainU: "ls /etc > /root/etclist", and created a > "etclist" in "/root". Then I supposed that from domain0, in a mounted > "/mnt" above, I could see the new file created as "/mnt/root/etclist", > but I was disappointed not to see anything at all. > > So clearly everything made changed inside domainU cannot be seen from > outside (domain0). Anybody can please explain to me why, and if > possible, how could I watch data of domainU (in realtime) from > domain0? > > Thank you a lot, > 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 > _______________________________________________ > Xen-devel mailing list > Xen-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/xen-devel > ------------------------------------------------------- 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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |