Messages in this thread | | | Date | Mon, 21 May 2001 12:22:35 -0500 (CDT) | From | Oliver Xymoron <> | Subject | Re: Why side-effects on open(2) are evil. (was Re: [RFD w/info-PATCH]device arguments from lookup) |
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On Sat, 19 May 2001, Jeff Garzik wrote:
> Why are LVM and EVMS(competing LVM project) needed at all? > > Surely the same can be accomplished with > * md > * snapshot blkdev (attached in previous e-mail) > * giving partitions and blkdevs the ability to grow and shrink > * giving filesystems the ability to grow and shrink
You can migrate data off disks while the filesystems on top of them are live. Add disk b, migrate a->b, remove disk a. Perhaps this is intrinsic in the above somehow but I don't see it.
-- "Love the dolphins," she advised him. "Write by W.A.S.T.E.."
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