Messages in this thread | | | Date | Wed, 2 Aug 2006 08:47:42 +0200 | From | Luca Berra <> | Subject | Re: let md auto-detect 128+ raid members, fix potential race condition |
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On Tue, Aug 01, 2006 at 06:32:33PM -0300, Alexandre Oliva wrote: >Sure enough the LVM subsystem could make things better for one to not >need all of the PVs in the root-containing VG in order to be able to >mount root read-write, or at all, but if you think about it, if initrd it shouldn't need all of the PVs you just need all the pv where the rootfs is.
>is set up such that you only bring up the devices that hold the actual >root device within the VG and then you change that, say by taking a >snapshot of root, moving it around, growing it, etc, you'd be better >off if you could still boot. So you do want all of the VG members to >be around, just in case. in this case just regenerate the initramfs after modifying the vg that contains root. I am fairly sure that kernel upgrades are far more frequent than the addirion of PVs to the root VG.
>Yes, this is an argument against root on LVM, but there are arguments >*for* root on LVM as well, and there's no reason to not support both >behaviors equally well and let people figure out what works best for >them.
No, this is just an argument against misusing root on lvm.
L.
-- Luca Berra -- bluca@comedia.it Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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