From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Fri, 4 May 2001 09:33:50 +0000 From: "Heinz J. Mauelshagen" Subject: Re: [linux-lvm] LVM Questions Message-ID: <20010504093350.D4700@sistina.com> References: <20010503004851.897.qmail@web10803.mail.yahoo.com> <3AF0B857.74F16371@home.com> Mime-Version: 1.0 In-Reply-To: ; from a.phillips@dnmi.no on Thu, May 03, 2001 at 08:56:00AM +0200 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: List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@sistina.com On Thu, May 03, 2001 at 08:56:00AM +0200, Adrian Phillips wrote: > >>>>> "Evan" == Evan Day writes: > > > > >> What ext2 resize utility is the ideal choice for LVM to > >> use. parted seems to be quite functional, but having to down > >> the machine to single is a but annoying. Has anyone > >> successfully used the ext2online utility on RedHat? It seems as > >> though the version of e2fsprogs that includes this code is part > >> of RH 7.1 anyways. At least from what I can tell. The online > >> resizing would definitely be required for a highly available > >> system as well. > > Evan> I don't have much experience with ext2 resizing, but the > > I haven't either. > > Evan> reiserfs can easily be extended. I'm not sure if it is > Evan> supported or not, but I've actually extended filesystems > Evan> while mounted with no ill effects. > > I believe it is officially supported, ie. if it breaks then its a bug, > and have done it now several times, at least on lightly loaded > filesystems. Its not quite as convienient as AIX's LVM, in that one > resizes the filesystem and the logical volume is automatically > resized, but if I'm bothered I'll write a wrapper script around > lvextend/lvreduce for that. > > A question for the developers if they notice. Why lvextend and > lvreduce, as they do the same things. Is it just for clarity ? A > lvresize with + or - or a fixed size to could the same ? The Linux LVM CLI is as close as possible to the HP/UX one which has those commands (and vgextend/vgreduce as well) seperate. This makes at least me as a long term HP/UX LVM user happy ;-) lvresize can easily be made as a convenence wrapper though... > > > > >> I also read an older thread on an X11 GUI as well as some > >> replies to it. The GUI that comes with Veritas is completely > >> useless and the command line tools are completely > >> over-engineered. While it would be nice for a small company > >> trying to save money not to call in a specialist to create > >> VG's, it certainly wouldn't be a requirement. Get everything > >> stable, reliable and consistent than someone will probably have > >> the time to create the GUI. I'd dedicate time to that type of > >> project, but why bother when the code isn't quite there > >> yet. There's no reason. > > Evan> LVM is so simple that, IMHO, a GUI shouldn't be an > Evan> overriding concern. Then again, I've been working with LVM > Evan> on HP-UX for many years, and I find the CLI utilities to be > Evan> much more efficient than waiting for SAM (the HP-UX sysadmin > Evan> GUI) to poll everything, build displays, etc. The current > Evan> CLI tools are lean and aligned with the LVM model in a way > Evan> that is both logical and easy to understand. > > On the web page there is a BETA lva, written in perl-tk which works > nicely although somewhat limited currently. I like the pie chart look, > not for me personally, CLI type myself, but for some of the others at > work who must have a GUI for everything, yukk :-) > > Sincerely, > > Adrian Phillips > > -- > Your mouse has moved. > Windows NT must be restarted for the change to take effect. > Reboot now? [OK] > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm -- 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 =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-