From: Ray Van Dolson <rvandolson@esri.com>
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] Shared LVM questions
Date: Tue, 14 Dec 2010 08:15:05 -0800 [thread overview]
Message-ID: <20101214161505.GA29811@esri.com> (raw)
In-Reply-To: <AANLkTi=zsNTng5n6gnEro_Dsb8_m+dszDUgxovRAX+LT@mail.gmail.com>
On Tue, Dec 14, 2010 at 07:59:19AM -0800, Paolo Smiraglia wrote:
> Hi to every ones...
>
>
> I would to setup a LVM build on top of an iSCSI disk shared between
> some nodes which is managed by a Master Node (MN) that sents commands
> to other nodes (N1, N2,...) through SSH.
>
> I think the cluster extension is not required because a particular
> Logical Volume (LV) is accessed exclusively by one node, and because
> LVM metadata cannot be modified at the same time by multiple nodes.
>
> One issue is that once a LV is created by a node it cannot be
> activated by another node by executing the command
>
> $> lvchange -aey vg/lv01
>
> and the LV created is a snapshot. The error displayed is
>
> Can't change logical volume "lv01"
>
>
> 1. In this scenario is CLVMD required?
> 2. Is it possible to activate a LV in another node?
>
>
> Thanks in advance for all replies.
I haven't tried this, but you probably would need to release the LVM
from use by node B for node A to activate and use it.
Ray
next prev parent reply other threads:[~2010-12-14 16:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-14 15:59 [linux-lvm] Shared LVM questions Paolo Smiraglia
2010-12-14 16:15 ` Ray Van Dolson [this message]
2010-12-14 16:29 ` Paolo Smiraglia
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