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тАО02-26-2009 12:29 PM
тАО02-26-2009 12:29 PM
Polyserve failover
We've been using a two-node PolyServe Matrix Server cluster for NFS/Cifs hosting for a while now, on two linux hosts. Recently, we noticed that during some failovers of virtual IP's servicing NFS between nodes, some client systems would fail to see the NFS share for 1-5 minutes, as if they couldn't see the new location of the IP. Not the same system every time, and not always for the same amount of time, but it's happened twice so far.
Anyone else seen this? More importantly, how does the failover work? Is it just a gratuitous ARP like Heartbeat?
Anyone else seen this? More importantly, how does the failover work? Is it just a gratuitous ARP like Heartbeat?
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тАО02-27-2009 05:03 PM
тАО02-27-2009 05:03 PM
Re: Polyserve failover
Depends on NFS client. NFS client has to timeout and the re-arp the IP address. So this is somehwhat totally depenent on the client and the timeout of ARP information in the cache.
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тАО03-02-2009 11:48 AM
тАО03-02-2009 11:48 AM
Re: Polyserve failover
Any way to change that setting?
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тАО03-22-2009 04:38 PM
тАО03-22-2009 04:38 PM
Re: Polyserve failover
You would have to go into your clients and see if you can change the re-arp interval.
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