From: Gijs <info@bsnw.nl>
To: LVM general discussion and development <linux-lvm@redhat.com>
Subject: Re: [linux-lvm] LVM pretends it has more space than it actually has
Date: Mon, 19 Sep 2011 21:48:15 +0200 [thread overview]
Message-ID: <4E779C7F.9010507@bsnw.nl> (raw)
In-Reply-To: <20110919134814.72bd8c3d@bettercgi.com>
Ah like that. Ok, I can't imagine I typed such a command, but I guess I
can never really know. But let's say I did, would it be possible to
somehow retrieve the data from that volume? By increasing the underlying
raid-5 maybe? Or is it forever lost?
On 19-9-2011 20:48, Ray Morris wrote:
> The symptoms you are presenting, the "missing" 1MB are similar
> to if someone did this in the past:
>
> mdadm --create /dev/md1 /dev/sd[ab]1
> pvcreate /dev/md1
>
> Then later someone did this:
> mdadm --assemble /dev/md1 /dev/volgroup/firstLV
>
> The VG, or the reported size of the PV, is 1MB smaller than
> the device the PV is on, due to the metadata. If the RAID array,
> or rather any raid array, were created on /dev/sda1, for
> example, but then later activated using /dev/volgroup/LV,
> mdadm would report that the device was 1MB too small, which is
> exactly the message you are getting.
next prev parent reply other threads:[~2011-09-19 19:48 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-18 13:58 [linux-lvm] LVM pretends it has more space than it actually has Gijs
2011-09-19 0:21 ` Stuart D. Gathman
2011-09-19 17:40 ` Gijs
2011-09-19 1:13 ` adultsitesoftware@gmail.com
2011-09-19 1:23 ` adultsitesoftware@gmail.com
2011-09-19 17:37 ` Gijs
2011-09-19 18:48 ` Ray Morris
2011-09-19 19:48 ` Gijs [this message]
2011-09-19 20:41 ` Ray Morris
2011-09-21 18:32 ` Gijs
2011-10-12 20:43 ` Gijs
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