[Info-vax] Unpleasant Disk Shadowing Surprise

Phillip Helbig---undress to reply helbig at astro.multiCLOTHESvax.de
Tue Oct 11 22:24:04 EDT 2011


In article <j72tl2$6k1$2 at online.de>, helbig at astro.multiCLOTHESvax.de
(Phillip Helbig---undress to reply) writes: 

> In article
> <1750432.79.1318364167195.JavaMail.geo-discussion-forums at yqv33>, Kenneth
> Fairfield <ken.fairfield at gmail.com> writes: 
> 
> > But as others have noted, having both shadow members
> > on the same scsi bus is problematic.  A single "bad"
> > error on the one disk can hang the whole bus...
> 
> Except for the system disk and perhaps one for swap/page, I wouldn't 
> have two members on the same node, much less the same bus.  SOPF and all 
> of that.

SPOF, of course---single point of failure.




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