[linux-lvm] EMC Storage + LVM + XFS

[Austin Gonyou]

Right, and that's where I'm going. I can give app down time, but not just
because, oops, we for got this or that. Has to be methodically planned. As
long as all variables are known(as much as can be), then we can plan
properly.

-- 
Austin Gonyou
Systems Architect, CCNA
Coremetrics, Inc.
Phone: 512-796-9023
email: austin at coremetrics.com

On Fri, 25 May 2001, Stephan Austermuehle wrote:

> On Fri, May 25, 2001 at 09:47:34AM -0500, Austin Gonyou wrote:
>
> > I don't think I'm clear on your statement. As far as I know, which is a
> > lot about EMC, you can definitely plug disks online. Having Linux see
> > them? Not necessarily so, but I believe the polling interval for the Fibre
> > driver will take care of that.
>
> Oh, of course the Symmetrix allows hot plugging of disks and online
> mapping of hypers to one or more channels via a Bin upgrade or the
> SDR. But at the moment I do not know any way to make Linux recognise
> the additional disks without reloading (rebooting) the driver. But
> even if there's a way to online detect new disks -- if a vgscan is
> necessary to tell the Linux LVM about where its VGs have gone it isn't
> a very smart solution because it often requires application down time.
>
> Stephan
>
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