On Fri, Aug 05, 2005 at 10:19:12PM -0700, [EMAIL PROTECTED] wrote:
> Online resizing of ext2 and ext3 filesystems appears to be supported in
> the linux 2.6.12 kernel. I would very much like to be able to resize my
> evms-based filesystems without having to drop into maintenance mode.

I've talked to upstream briefly, and they seem to be interested, but it's not
something that's coming immediately. Note that there are lots of limitations
in the current implementation that are probably non-trivial to get around:

- Only growing is supporting, not shrinking.
- You can only grow your file system to a set limit -- the limit is found by
  taking your current size and rounding up to the nearest N MB; N is 256MB
  for 1kB blocks and 16GB for 4k blocks. (You can use the ext2prepare tool to
  get around some of these limits, but then you need to take the filesystem
  offline anyhow.)
- There are other odd limits, such as “you can't upgrade a file system <23GB
  to >45GB online, ever”.

More information on http://ext2resize.sourceforge.net/online.html :-)

/* Steinar */
-- 
Homepage: http://www.sesse.net/


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