OT: redhat

[Bill Campbell]

On Sat, Nov 13, 2004, Jay R. Ashworth wrote:
>On Tue, Nov 09, 2004 at 11:42:50AM -0800, Bill Campbell wrote:
>> On Tue, Nov 09, 2004, Fairlight wrote:
>> >Confusious (Jay Ashworth) say:
>> >> On Mon, Nov 08, 2004 at 09:43:13AM -0500, Bill Vermillion wrote:
>> >> > Sure you can add pieces and expand a filesystem anytime you want
>> >> > >if< you have the right OS. :-) :-) :-) AIX is the only one that
>> >> > I know of that does that.  :-(
>> >> 
>> >> SuSE 9, XFS.
>> >
>> >Filesystem is not the question.  PHYSICAL PARTITION (as in...think fdisk,
>> >folks) is the issue.  I'm talking about needing to join two disparately
>> >located partitions into one partition and expanding the fs that's on one of
>> >them to include the space on another.  
>> 
>> The Linux LVM (Logical Volume Manager) or FreeBSD vinum provides this
>> capability.  There's an interesting feature in thsi month's Linux Journal
>> on the unionfs which provides some very interesting capabilities joining
>> multiple file systems types including file system snapshots, software
>> versioning, and others which I'm not sure I understand yet.
>
>Forgive me; of course this is a two parter.
>
>LVM lets you add more physical partitions on to a logical one; XFS lets
>you enlarge an active filesystem to take advantage of the new space.

On Linux systems, you have programs that will resize existing partitions,
/sbin/resize2fs, and /sbin/resize_reiserfs on a SuSE 9.0 Professional box
here which handle ext2/3 and reiser file systems.  FreeBSD has a program,
growfs, to handle the job.

Bill
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