Although it looks like possible, but very complex architecture.
If you can wait, please explore pNFS:
http://opensolaris.org/os/project/nfsv41/
What is pNFS?
* The pNFS protocol allows us to separate a NFS file system's data
and metadata paths. With a separate data path we are free to lay
file data out in interesting ways like striping it across multiple
different file servers. For more information, see the NFSv4.1
specification.
Gilberto Mautner wrote:
Hello list,
I'm thinking about this topology:
NFS Client <----NFS---> zFS Host <---iSCSI---> zFS Node 1, 2, 3 etc.
The idea here is to create a scalable NFS server by plugging in more
nodes as more space is needed, striping data across them.
A question is: we know from the docs that zFS optimizes random write
speed by consolidating what would be many random writes into a single
sequential operation.
I imagine that for zFS be able to do that it has to have some
knowledge about the hard disk geography. Now, if this geography is
being abstracted by iSCSI, is that optimization still valid?
Thanks
Gilberto
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