Re: multipath - stable ?

[Franc Carter <franc@tech.sirca.org.au>]

Thanks, 

can you give me a ballpark on 'high' >5 minutes ?

cheers

On Sat, 13 Dec 2003 04:35 am, Steven Dake wrote:
> The multipath code is simple and seems pretty stable to me.
> 
> There is one issue, in that failover can sometimes take a long time
> because of the SCSI layer's insistence upon executing error recovery. 
> In the case of multipath I/O's, there is no need to error recover before
> processing the I/O.  Instead, once error is detected, failover, then
> start error recovery.
> 
> The SCSI layer doesn't do this currently, so failover times are high.
> 
> Thanks
> -steve
> 
> 
> On Thu, 2003-12-11 at 21:52, Franc Carter wrote:
> > Hi,
> > 
> > I've been using linux sofwtare raid for years and had no problems.
> > We are about to install some disk systems that have dual contollers
> > and am wondering wether multipath is as stable as the rest of software
> > raid ?
> > 
> > thanks
> 
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-- 
Franc Carter     Ph:61-2-8374-5071      Fax: 61-2-8374-5070
Systems Manager, SIRCA Ltd              http://www.sirca.org.au/

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