On Thu, 2006-05-11 at 12:07 -0600, Kenneth Burgener wrote: > Currently I have 3 drives. Drive 1 has the OS on it, and drives 2 and > 3 are RAID 0. I would like to add drives 4 and 5 making my RAID a 1TB > setup.
> I am not worried too much about redundancy, but I would like to at > least have the ability to save some files if one disk begins to slowly > die. I think what you might really want is LVM. It can function essentially like RAID 0, but it allows for on-the-fly disk additions, and you can move data on and off physical volumes (the real disk partitions). In fact, for my most recent server build I went with LVM on top of RAID1 disks rather than RAID10 and it's worked out quite well. Reiserfs is a particularly good filesystem in tandem with LVM because you can expand the filesystem while it's mounted, and you can shrink it unmounted. Ext3 can also expand and shrink, but only unmounted. XFS and JFS can not be shrunk. Corey
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