[Linux-cluster] Basic Scalability Questions

[Michael Will]

If you get any personal replies that don't go back to the list,
I would be very interested in the result.

How far along are those projects like CLVM and others listed
on http://sources.redhat.com/cluster/ ?

Michael

Jeff Hardy wrote:

>Hello,
>
>I have noted that LVM2 on a 2.6 kernel (in this case Fedora Core 4), has
>no limit to the maximum number of logical volumes, physical volumes, or
>physical extents in a particular volume group.  Is this also then the
>case for CLVM?
>
>Also, I have a couple of boxes sharing ATAoE storage right now in a
>two-node cluster configuration.  Everything looks good.  We are not
>using GFS as of yet, and do not have immediate plans to do so, so I have
>been working with XFS and other filesystems in a couple of LVs with each
>box only mounting one LV at a time (obviously).  In the interest of
>seeing what could happen, I have purposely shutdown all the cluster
>services on both boxes, resized volumes, done write tests and not seen
>any filesystem corruption.  Have I just been incredibly lucky to avoid
>particular race conditions?
>
>Thanks very much.
>
>  
>


-- 
Michael Will
Penguin Computing Corp.
Sales Engineer
415-954-2822
415-954-2899 fx
mwill at penguincomputing.com