[Samba] Highly-available file server question..
indexer at internode.on.net
Tue Oct 19 17:49:36 MDT 2010
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On 20/10/2010, at 4:31 AM, John_Delisle at ceridian.ca wrote:
> I wasn't sure DFS was a good fit, my understanding of DFS is limited
> (reading up today..).
As i understood it, Samba does not support DFS? Am i wrong? I have done some googling into this and cant find any results about it.
Is this replicating DFS, or is this using a windows server as the DFS root, and then pooling them with samba as a "dumb" client?
> From what I've read it seems I'd need to host the DFS root on a
> highly-available server, and have links from there to my three single
> hosts (all with shared SAN access). Unfortunately, I only have these
> three servers to work with.
> Is there a way I can use DFS with just the three nodes to create a highly
> available DFS configuration? Sorry if my terminology is off a little, I'm
> pretty new to DFS.
DFS is just a distributed filesystem. It can either replicate between X nodes to keep them in sync, or it can merge 3 shares into one über share. In your case you likely want the merged shares, and just all the three servers export the same allocation of SAN (since the files will all be consistent). If your servers were all on separate SAN allocations, you would want replication as well to keep these synchronised.
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