[Linux-cluster] Linux clustering (one-node), GFS, iSCSI, clvmd (lock problem)

[Gordan Bobic]

On Tue, 16 Oct 2007, Paul Risenhoover wrote:

>> >  Ouch.  Good to know.  If I use raw devices can I grow and shrink 
>> >  volumes?  The specific need is to be able to take a physical devices out 
>> >  of service (ie, one of my iSCSI devices) so that I can restripe it or 
>> >  replace it.
>>
>>  But you can also run lock_nolock on top of LVM partition, *any* LVM
>>  partition, cluster or not... Why going thru so much troubles for a local
>>  filesystem ?
>
> I'm planning on adding nodes as necessary.  I'm future-proofing!

You would be better off using a decently architected SAN solution to cover 
that aspect. You'd get better performance, lower RAID disk overheads, and 
better scalability.

Gordan