Re: [Xen-users] EVMS or GFS

["Serge Dubrouski" <sergeyfd@xxxxxxxxx>]

There is an easy solution for that (rpm in Mandriva has the same
problem). Create a file on your OCFS2 filsystem, let's say 500M. Setup
loop device and create ext3 fs inside it. Use is as a second disk in
your DomU then and mount it into /var/lib/rpm or whatever Debian uses
for apt-get.

Not the best one, but it works for me with NFS shared device for
DomUs. NFS doesn't support mmap as well

On 5/25/06, Karsten Nielsen <karsten-xen@xxxxxxxxxx> wrote:
> Lars Roland wrote:
> > On 5/25/06, Karsten Nielsen <karsten-xen@xxxxxxxxxx> wrote:
> >> Hi list.
> >>
> >> I have the setup illustrated below. The app (application xen) servers
> >> will have live migration between them, and at any given time there can
> >> be added new app servers and more storage on the same storage server. I
> >> have exported the block devices from the shared storage with nbd.
> >>
> >> ---------  ---------
> >> | app 1 |  | app 2 |
> >> ---------  ---------
> >>      \        /
> >>       \      /
> >>        \    /
> >>    ----------------
> >>   | shared storage |
> >>    ----------------
> >>
> >> I have a lot of troble to get the GFS to work on xenified kernel 2.6.16.
> >> Whereas I have no problem patching the xenified kernel with the evms
> >> patches. I haven't tryed booting the kernel yet but it compiled fine.
> >
> > Regarding patching you might want to go with ocfs2 instead of GFS
> > since it is already in kernel 2.6.16.
>
> I have tried that at it worked fine, but the problem is that apt-get in
> debian uses mmap and ocfs2 does not support that. So I am affried that
> that is not an option.
>
> - Karsten
>
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