The past hour I've been reading about PVFS2, but it's still not clear to me, if PVFS2 can do what I want or not.
Let me explain:
I have 4 node's in a high availibility cluster, I want to bundle a part of diskspace from each node, and use that as a shared filesystem for my nodes.
so I need:
- something that can bundle the diskspace(PVFS2 maybe? )
- something to share the disk to each node(iSCSI target & iSCSI_initiator)
- a FS that won't get corrupt when multible nodes read or write on it(GFS or OCFS2)
- PVFS2 is at filesystem level, is it possible to share it on block_device level to each node, as with iSCSI?
- does it preform good as FS for apache, mysql etc... ?
- If one node (dataserver fails) is the data somewhere else available? I guess the data on that node is then unavailable? witch is unacceptable in my case. Is there a way to do this?
- if PVFS2 isn't what I need, Then what is out there to become complete fault redundant storage, something like http://www.capricorn-tech.com/products.html or what I want
- How can I achieve this, is there maybe a guide that explains a setup like I would like?
Thanks in advance,
Jan Lenaerts
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