Messages in this thread |  | | Date | Tue, 18 Sep 2001 14:22:44 -0700 | From | Brian Beattie <> | Subject | Re: [patch] multipath RAID personality, 2.4.10-pre9 |
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On Tue, Sep 18, 2001 at 08:39:46PM +0100, Adrian Bridgett wrote: > On Mon, Sep 17, 2001 at 01:16:56 +0200 (+0000), Ingo Molnar wrote: > [snip] > > > [...] Also, it is my understanding that with some multipath hardware, > > > if you read from the "backup" path it will kill access to the primary > > > path (this can be used when more than one system access shared disk > > > for failover). As a result, we should always read from the "primary" > > > path for each disk unless there is an error. > > > > yes, and this is being done currently, only the primary path is used. > > Do you have plans to change this? I know that the SDD software for AIX load > balances between paths (and I think EMC's Powerpaths do for AIX too), DMP > (from Veritas) for Solaris doesn't. >
I have been working with the version of this code included in RH 7.1. I have code that does round robin routing. I'm working on cleaning it up and plan to post shortly.
-- Brian Beattie IBM Linux Technology Center - MPIO/SAN bbeattie@sequent.com 503.578.5899 Des2-3C-5 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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