On Thu, Oct 18, 2007 at 09:34:13AM -0400, Douglas A. Tutty wrote: > On Thu, Oct 18, 2007 at 01:39:21PM +0200, Martin Marcher wrote: > > 2007/10/18, Andy Smith <andy@lug.org.uk>: > > > On Wed, Oct 17, 2007 at 08:53:09PM +1000, Alex Samad wrote: > > > > Interesting, I have a habit though of keeping root out of LVM, > > > > very easy to get access to root in emergency when its a raid1 > > > > parition > > > > > > Agree. > > > > Only partly, with a somewhat recent boot CD you won't have any > > problems mounting LVM on RAID or doing the necessary recovery tasks. > > The debian Etch (even netinst iirc) has all the necessary tools. > > > > > However, I personally use a much smaller root, say 1G or less, and > > > then have /usr, /var (and possibly some others depending on the > > > purpose of the machine) inside LVM. > > > > For that reason i keep as much as possible in LVM. Maintenance just is > > easier when you find you ran out of space on some partition and simply > > can lvresize it. But I guess that is just personal preference > > The other issue is that if you look at the filesystem dependancies in > the boot-up scripts, on Debian you can't finish single-user mode without > needing all filesystems. I'm rather perturbed about it since before > raid1/LVM (i.e. Etch) I had need of a properly funcitoning single-user > mode and if I hadn't had busybox-static installed I would have been SOL > since the box can't boot a LiveCD. The invention of LiveCDs seems to > have caused whoever sets up the boot-up policy to forget about such > niceties as a properly functioning stand-alone single mode. agree > > The Etch install CD does have a nice rescue mode that finds LVM and raid > arrays, if your box has enough ram to activate it. I have only one that > does. > > > > > > I have avoided LVM mirroring because as far as I am aware the > > > machine would not come up entirely without human intervention if a > > > drive would be lost - please correct me if I am wrong there.. > > > > IMHO lvm mirroring is useless. if I do LVM (on servers) I have > > multiple drives and i tend to trust mdadm more in this field than LVM > > (don't ask me why - I couldn't logically say why). > > The advantage I see to LVM mirroring is the ability to create mirrored > filesystems on the fly and to resize them. Can't do that with mdadm > raid1. I don't use LVM mirroring since it isn't part of Etch's install > system. mdadm has --grow and you can mdadm --create on a live system > > Doug. > > > -- > To UNSUBSCRIBE, email to debian-user-REQUEST@lists.debian.org > with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org > >
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