RE: Hi Hertha/Gerrard/anyone, SAN disk partitions device files changes with each reboot

-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx [mailto:redhat-list-
bounces@xxxxxxxxxx] On Behalf Of sunhux G
Sent: 27 May 2008 10:12
To: General Red Hat Linux discussion list
Subject: Re: Hi Hertha/Gerrard/anyone,SAN disk partitions device files
changes with each reboot

Hi Gerrard,

So ultimately which one should we use?
/dev/mapper/... or ...

My apologies, I'm a bit confused after reading
the reply

Guess I have to read up more about this at
http://www.redhat.com/docs/en-
US/Red_Hat_Enterprise_Linux/5.2/html/DM_Multipath/index.html
which you gave me previously but haven't got a chance.


Please, please read the document... its not that long and would be an
hour well spend. It discusses things like adding exception lists in lvm
which prevents lvm scanning inactive backup luns, which could
subsequently cause them to become active, possibly creating lots of
uneccesary swapping between paths.

Regards

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