Re: LVM how to
On Wed, 03 Jun 2009 16:31:19 -0500, Boyd Stephen Smith Jr. wrote:
> In <[🔎] h06ons$dl6$1@ger.gmane.org>, Hendrik Boom wrote:
>>On Wed, 20 May 2009 00:34:24 +0100, Roger Leigh wrote:
>>> You don't need a rescue CD, and you can even do it while the
>>> filesystem is mounted!
>>
>>So the warnings about unmounting the file system before expanding it in
>>the "LVM HOWTO section 11.9. Extending a logical volume" at
>>http://www.tldp.org/HOWTO/LVM-HOWTO/extendlv.html are strictly obsolete?
>>
>>I'm talking about an etch system with an ext3 file system on llvm on
>>raid.
>
> While I still recommend a backup,
I always recommend backups. Multiple backups on different continents,
offline in your friends' sock drawers work great.
> I've never needed one when expanding
> reiserfs or ext2/3.[1!] JFS and XFS are also supposed be to growable
> online.
Just did that. Worked great. Thanks.
>
> If shrinking a filesystem, you will need to unmount it; some filesystems
> don't like being shrunk at all.
Yeah. Taking away data is trickier.
-- hendrik
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