From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Heinz J . Mauelshagen" Subject: Re: [linux-lvm] extending a logical volume Message-Id: <20020122113326.A23531@sistina.com> References: <12230000.1011638456@duke.wrkhors.com> <20020121193331.I4014@lynx.turbolabs.com> MIME-Version: 1.0 In-Reply-To: <20020121193331.I4014@lynx.turbolabs.com>; from adilger@turbolabs.com on Mon, Jan 21, 2002 at 07:33:31PM -0700 Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Tue Jan 22 04:37:02 2002 List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@sistina.com On Mon, Jan 21, 2002 at 07:33:31PM -0700, Andreas Dilger wrote: > On Jan 21, 2002 12:40 -0600, lembark@wrkhors.com wrote: > > The simplest way to handle it is unmounting, fsck-ing > > and re-mounting the thing immediately after your weekly > > backup, when users have to be off the system anyway > > [if you want to tell me that the system is too important > > to offline for a backup I'd strongly suggest finding a > > 9-story window near the console, it'll be easier to > > handle it yourself than have the users do it for you > > after a crash looses all of the data]. > > I agree about the backups. Most people don't think about > backups until it is too late. I disagree about only doing > resizing at some late hour in the night though. Many times > there are unexpected demands on storage, and the sysadmin > doesn't have control over the cause, but gets blamed for > the effect (i.e. running out of space). Hence, online fs > resizing is a critical operation for an enterprise system. > > > Even HP's LVM -- probably the most forgiving of all -- > > has to be dismounted for extendfs; lvextend can be run > > any time you like. > > ??? That was only with the old HP LVM filesystem (UFS I think). > If you formatted with the new filesystem (can't remember the name), Andreas, they got a Veritas license for vxfs and that could be online grown but you couldn't shrink it without purchasing an additional license. > you could do online resizing. AIX has had online resizing forever, > and so has XFS. None of these allow even offline shrinking though, > which ext2/ext3 does. > > Cheers, Andreas > -- > Andreas Dilger > http://sourceforge.net/projects/ext2resize/ > http://www-mddsp.enel.ucalgary.ca/People/adilger/ > > > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm > read the LVM HOW-TO at http://www.sistina.com/lvm/Pages/howto.html -- Regards, Heinz -- The LVM Guy -- *** Software bugs are stupid. Nevertheless it needs not so stupid people to solve them *** =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Heinz Mauelshagen Sistina Software Inc. Senior Consultant/Developer Am Sonnenhang 11 56242 Marienrachdorf Germany Mauelshagen@Sistina.com +49 2626 141200 FAX 924446 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-