From: Andrew Burgess <aab@cichlid.com>
To: Piergiorgio Sartor <piergiorgio.sartor@nexgo.de>,
linux raid mailing list <linux-raid@vger.kernel.org>
Subject: Re: RAID without superblock
Date: Sun, 19 Apr 2009 14:57:32 -0700 [thread overview]
Message-ID: <1240178252.31728.12.camel@cichlid.com> (raw)
In-Reply-To: <20090419210200.GA6942@lazy.lzy>
On Sun, 2009-04-19 at 23:04 +0200, Piergiorgio Sartor wrote:
> Ah! I was thinking about it as a method to
> build a RAID with an already existing disk
> or partition, which cannot be modified.
> So, let's say I've already a disk with some
> data and I want/need to protect it with a
> RAID configuration, but I cannot re-create
> the RAID from scratch, because this will
> damage the content of the disk.
Does the filesystem support shrinking? Maybe you can shrink it a tiny
bit and put the superblock at the end. Some sb formats do this. Ext2/3
can be shrunk, xfs not.
next prev parent reply other threads:[~2009-04-19 21:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-19 11:47 RAID without superblock Piergiorgio Sartor
2009-04-19 20:44 ` NeilBrown
2009-04-19 21:04 ` Piergiorgio Sartor
2009-04-19 21:57 ` Andrew Burgess [this message]
2009-04-20 18:10 ` Piergiorgio Sartor
2009-04-20 18:17 ` Christopher Chen
2009-04-19 23:33 ` John Robinson
2009-04-20 5:13 ` Tapani Tarvainen
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