Hi
I am not 100% certain myself.
I have config similar to this in our multipath.conf file:
multipaths {
multipath {
wwid 350002ac0xxxxxxx
alias authdb-storage
}
}
This ensures that the "friendly" names found in /dev/mpath and
/dev/mapper always stays the same.
I have personnally used /dev/mapper because that is the "kitchen sink"
for all devices and more generic than using /dev/mpath.
When I then create the lvm stuff it would something like this:
pvcreate /dev/mapper/<alias-name>
I know it is not a definitef answer but do hope it helps. Maybe someone
else with more san expierence and linux internal knowledge can help
clear up the matter.
Regards
> -----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.
>
>
> Thanks
> Goh
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