RE: Iseries Disk managment

STR/ENDDSKRGZ; not sure which OS release started offering these.
Defrags free space only; apparently doesn't make files contiguous.
Having contiguous files is less important with scatter-loading, although
it'd be nice if it could make contiguous each file's allocation on any
given disk unit.

There's also STRASPBAL, which has been around for a while.

The absolute cleanest "defrag" is a save/wipe/restore of the system.
Unlike the above, this method has risks and involves downtime.


John A. Jones, CISSP
Americas Information Security Officer
Jones Lang LaSalle, Inc.
V: +1-630-455-2787 F: +1-312-601-1782
john.jones@xxxxxxxxxx

-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Steve Moland
Sent: Tuesday, March 14, 2006 8:25 AM
To: midrange-l@xxxxxxxxxxxx
Subject: Iseries Disk managment

 I'm a fossil and have been around since 360/20 days. Other than using
RGZPFM to re-organize some very volatile file on my career long boxes, I
just realized that I've not thought about or worried about defragging
the drives as a whole.

I revitalized some of my grandkids laptops this last weekend by simply
defragging them.  

The question of why we don't need to do that on the Iseries boxes popped
into my head. 

Is that because the don't need to have it done, or we really do need to
do that and is it like the early days when IBM just didn't give us the
same tools and features that existed on other boxes. That's not
necessarily a complaint because I think many may have stayed out of
trouble by not having some more esoteric features available.

There is also the issue that they write books about what I don't know
about that which I work on. [grin]

Steve Moland 


--
This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing
list To post a message email: MIDRANGE-L@xxxxxxxxxxxx To subscribe,
unsubscribe, or change list options,
visit: http://lists.midrange.com/mailman/listinfo/midrange-l
or email: MIDRANGE-L-request@xxxxxxxxxxxx Before posting, please take a
moment to review the archives at http://archive.midrange.com/midrange-l.



This email is for the use of the intended recipient(s) only.  If you have 
received this email in error, please notify the sender immediately and then 
delete it.  If you are not the intended recipient, you must not keep, use, 
disclose, copy or distribute this email without the author's prior permission.  
We have taken precautions to minimize the risk of transmitting software 
viruses, but we advise you to carry out your own virus checks on any attachment 
to this message.  We cannot accept liability for any loss or damage caused by 
software viruses.  The information contained in this communication may be 
confidential and may be subject to the attorney-client privilege. If you are 
the intended recipient and you do not wish to receive similar electronic 
messages from us in the future then please respond to the sender to this effect.