[linux-lvm] Query For MULTIPATH & LVM
Heinz J . Mauelshagen
mauelshagen at sistina.com
Fri May 23 06:12:02 UTC 2003
On Tue, May 20, 2003 at 01:43:04PM +0530, Sameer Halgatti wrote:
> Hi All,
> I am a new user to LVM.
> I have a system with Linux RH 7.2 (Kernel version 2.4.7-10)
> The version of LVM, I am using is lvm-1.0.3-4.
> I have connected a Storage Machine (SAN) to my host. So I could have multiple paths to any LUN. (e.g sda & sdb are pointing to the same LUN).
> So whenever I do "pvcreate" on /dev/sda, PV gets created on /dev/sdb also since they (sda & sdb) are pointing to same disk/LUN.
> In such a scenario can I use lvm-1.0.3.4 ??
> If not then please give me reasons as well as solution.
With LVM1 you can achive multi-pathing with MD (search the Web for raidtools
and raidtab) below LVM _or_ use IBMs multi-path addition which gets shipped
with recent SuSE distros (starting with 8.1).
Sistina's plan is to suport multi-pathing in LVM2.2 later this year.
>
> Pls REPLY to my QUERY!!!
>
> Thanks & Regards,
> Sameer Halgatti
>
--
Regards,
Heinz -- The LVM Guy --
*** Software bugs are stupid.
Nevertheless it needs not so stupid people to solve them ***
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Heinz Mauelshagen Sistina Software Inc.
Senior Consultant/Developer Am Sonnenhang 11
56242 Marienrachdorf
Germany
Mauelshagen at Sistina.com +49 2626 141200
FAX 924446
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