From: Zdenek Kabelac <zkabelac@redhat.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] LVM feature parity with MD
Date: Tue, 3 May 2016 10:34:22 +0200 [thread overview]
Message-ID: <5728628E.5090404@redhat.com> (raw)
In-Reply-To: <57273419.3000102@suse.com>
On 2.5.2016 13:03, Fabian Herschel wrote:
> Can LVM doing a delta sync and does LVM have something like a bitamp to show
> which parts are in sync and which needs a sync?
>
Hi
lvm uses small metadata LV with each raid1 leg - which holds the bitmap about
individual regionsize areas in sync.
So when there is 'crash' only async areas are synced again after array restart.
Regards
Zdenek
next prev parent reply other threads:[~2016-05-03 8:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-26 18:25 [linux-lvm] LVM feature parity with MD Jason Czerak
2016-04-29 13:26 ` Brassow Jonathan
2016-05-02 11:03 ` Fabian Herschel
2016-05-03 8:34 ` Zdenek Kabelac [this message]
2016-05-05 22:31 ` Brassow Jonathan
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