Re: [Xen-devel] iscsi patch

[Ian Pratt <Ian.Pratt@xxxxxxxxxxxx>]

> Well crudpuppies...  8-P I guess I'll have to fall back to a 2.4 kernel
> for now and hope all of the evms features that I'm using on 2.6.8 work
> in 2.4.x. *sigh* NFS root is just too darn unstable to run any XenLinux
> kernels from. 

You know that 2.6.8 has a horrible NFS bug which is why 2.6.8.1
got released, right?

I've certainly never found NFS root to work very satisfactorily
under any version of Linux I've tried -- it's quite easy to get
the thing to deadlock in low memory situations.

That's why I switched to using iSCSI, which with the Cisco
initiator actually seems pretty stable, at least for me.

> Just to give you an idea of what I'm trying to acomplish here...
> 
> a pair of raid-5 servers would provide evms volumes to the iSCSI target
> drivers. Eaxh Xen node machine would mount a iSCSI target from each nfs
> server in a raid-mirror block device and export it as a xen block device
> to the XenLinux image to run from.

You don't really mean 'nfs server' in the above do you? I can't
see where NFS comes into the setup you're describing.

Ian


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