--- On Thu, 5/20/10, Dustin Henry Offutt <[email protected]> wrote:
From: Dustin Henry Offutt <[email protected]> Subject: Re: [Linux-cluster] Using ping as a heuristic not a great idea? To: "linux clustering" <[email protected]> Date: Thursday, May 20, 2010, 9:42 AM Same experience. In addition, best practice is to make the quorum partition its own physical disk, and admittedly this is not best practice, but instead took a slice of SAN RAID so as not to waste a whole precious disk plus one for mirroring for what is essentially a 20MB partition - and fibre traffic would upset Qdiskd's vote. Again, what I was doing was not best practice, and if a qdisk partition is needed it's definitely worth the two physical disks. In conclusion, no, I wouldn't use ping heuristics. what if you use a dedicated and separated network for cluster communication (and heuristic) transferring a big file over the data interfaces should not make any effect in the internal network even a crossover cable could/should help here and you should have a very slow switch/network if by transferring a single file, although big, make you lose ping packages thanks roger
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