[KLUG Members] Moving a HDD

[Adam Tauno Williams]

> > Don't forget about file system allocation;  most file-systems start to
> > drop off performance-wise after reaching ~1/3 capacity.  If you actually
> > want to use nearly the entire capacity of a filesystem you pretty much
> > have to be using XFS.  And it is useful to leave space in the volume
> > group to create snapshots - the more your filesystem is busy the more
> > snapshot space you'll need.  Backing up a snapshot vs. a live filesystem
> > is a good way to avoid oddities-upon-restore the occur when a live
> > filesystem is backed up.
> I don't know much about the XFS.  Is this something someone could cover
> in a meeting or perhaps there are some online resources you can point me
> to that are good?  I am sure I can find it in a few minutes if I google
> as well...

There will be a presentation on XFS in September.

http://linuxgazette.net/102/piszcz.html
http://oregonstate.edu/~kveton/fs/
(Note that the above are all on 2.4.x,  I/O is generally more efficient in 2.6.x)