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Re: New dual-boot laptop with two SSD drives: should I use LVM (and I have no experience with it)?




On Sat, 2019-04-13 at 08:18 +0200, Pascal Hambourg wrote:
> Le 12/04/2019 à 22:46, Thomas D Dial a écrit :
> > In terms of management, it is a major advance over physical
> > partitioning
> > for the file systems and, depending on particular file system
> > characteristics, allows you to get out of space problems without
> > down
> > time in many cases (online resizing is available for jfs, xfs, I
> > think
> > for ext2/3/4, and possibly others).
> 
> XFS and ext* can be grown online. Ext* can be reduced offline only.
> XFS 
> cannot be reduced. Btrfs can be grown and reduced online. I don't t
> know 
> about JFS.

I ought to have specified "increase" or "growth" rather than "resizing,"
never having had occasion to reduce a volume. I also was unaware of the
situation with Btrfs.

JFS can be grown while mounted and in use, but as far as I know cannot
be reduced in size except offline.

Regards,
Tom Dial