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Highly Available CIFS
Hi,
Recently I've noticed in the morning that many of my thinapps crash / have crashed (APPCRASH stackhash). I believe this is caused from my backups which take a VM and VSS snapshots stunning the machine for too long thus breaking the connections from the thinapps. Currently my thinapps are hosted on a single windows file share (non-redudant). I've read that VMware recommends placing thinapps in a DFS namespace that has multiple targets. My preliminary testing of that setup had little success. I would launch the thinapp from the DFS link and then kill whichever server it connects to causing the thinapp to fail. I'm guessing this is the case because DFS merely points the client in one direction, then when the server fails it is up to the client to reconnect to the next location. I've read up on Failover Clusters in 2008R2 and it seems that there may be similar issues. I was interested in transparents failover in server 2012 with SMB 3.0, but it requires Windows 8 clients (and I'm using Windows 7). Any suggestions would be greatly appreciated.
Corey
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You wrote it correctly. When you run DFS client machine pics only one "hiden" share under DFS. When this share fails application fails also. SMB 3.0 is available and DFS transparent failover only in Windows 8 and higher.
You are absolutely right.
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How do most people deal with this, seems like a really disruptive issue.
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I don't think you can do anything about it unless you start to use SMB 3.0. ![]()