From: Morten Torstensen <morten@mortent.org>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] Mirrored LVs
Date: Fri, 23 Oct 2009 21:41:51 +0200 [thread overview]
Message-ID: <4AE206FF.2050606@mortent.org> (raw)
In-Reply-To: <20091023190230.GA13442@us.ibm.com>
On 23.10.2009 21:02, malahal@us.ibm.com wrote:
>> In a LE it would be mirrored too and a copy would be in each mirror...
>
> That is not possible with the current LVM code. The log can't be a
> 'mirror' segment. Jonathan posted few patches to place the log on
> mirrored segment but the code is not in the upstream yet!
So keep the map in the vgda, with a copy on each pv, or somewhere
similar. It should just be a map of which LE is stale and doesn't have
to be big anyway.
Maybe IBM should donate some LVM code to linux :)
--
//Morten Torstensen
//Email: morten@mortent.org
//IM: morten.torstensen@gmail.com
I can't listen to that much Wagner. I start getting the urge to conquer
Poland.
-- Woody Allen
next prev parent reply other threads:[~2009-10-23 19:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-23 14:13 [linux-lvm] Mirrored LVs Morten Torstensen
2009-10-23 17:29 ` malahal
2009-10-23 18:28 ` Morten Torstensen
2009-10-23 19:02 ` malahal
2009-10-23 19:15 ` Alasdair G Kergon
2009-10-23 19:41 ` Morten Torstensen [this message]
2009-10-23 18:40 ` brem belguebli
2009-10-23 19:15 ` malahal
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