Re: Filesystems that support migration [Was: Re: [Xen-users] Re: Live Migration Config]

[Tom Brown <tbrown@xxxxxxxxxxxxx>]

On Mon, 31 Oct 2005, Nate Carlson wrote:

> On Sun, 30 Oct 2005, Tom Brown wrote:
> > but then I haven't managed to build a filesystem that could be migrated
> > and allows high performance... so it isn't much of a loss :)
> >
> > [nfs works, but performance bites when compared to a fully cached local
> > block device... anyone wanna start a new thread?]
>
> I just use a SAN with fibre channel.. works great. I'm using CLVM, so all

a brand name solution, or something cooked up?

> the xen0 boxes see the block devices with the same names; also using GFS
> to share home directories and such within the domU's.

I looked at trying to get GFS running, but it looked like getting it to
work was going to be a lot of work, and I wasn't sure if there would be
patch conflicts with XEN.

> Beats the crap out of the NFS solution I used to use.. :)

That is encouraging to hear. I was considering looking at iSCSI and/or
ATA over ethernet.

Anyone else got any suggestions/tips? Hopefully I'll actually have time
to work on this tomorrow, so soliciting ideas today seems like a good idea
:-)

-Tom


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