Re: [SPAM] Re: S36 to AS400 migration

the small i5 520 Express models default to mirrored drives (twin 35gb, so 35
is useable. Since you most likely just need the OS, Websphere Dev Tools,
iSeries Access, and SQL Dev Toolkit (i put that on every machine) you should

Don't go less than gig memory. How many users?
jim

To: "Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
Sent: Thursday, January 11, 2007 4:24 PM
Subject: [SPAM] Re: S36 to AS400 migration

Jerry,

That won't work.  The OS alone on an i5 will take up more space than the
biggest S/36 made.  Pick an i5 that you have access to and run
RTVDSKINF (run in batch and give it hours.  I submit both commands to a
single string job queue)
followed by
PRTDSKINF *SYS

Simply add up the following alone:
QSYS
Other IBM libraries
Licensed Internal Code
System internal objects

Now, add in some of the User directories (because IBM stores some OS in
the IFS which is what User Directories is).  My example below would not be
applicable to a machine coming from S/36 because I put a LOT in IFS.  Like
11 Domino partitions, 9 ixs cards and one big freaking Linux lpar.  We got
more free space than "User Libraries" which is the space where all your
application data and programs in a traditional environment is.

Your load in "Other IBM libraries" may vary due to what LPP's you have
loaded.

                                                % of         Size in
Description                                     Disk     1,000,000 bytes
User libraries                                 14.22          702382.66
User directories                               68.76         3396539.88
Folders and documents                            .01             715.65
QSYS                                             .13            6280.90
Other IBM libraries                              .52           25727.21
Licensed Internal Code                           .09            4449.78
Temporary space                                 1.08           53170.17
Unused space                                   15.04          742750.50
System internal objects                          .12            5933.03
Objects not in a library                         .00              11.55
TOTAL                                          99.97         4937961.33

Depending on the pain tolerance I'd throw in no less than 4 drives and the
necessary hardware to start RAID5.  Don't even think of starting RAID5 on
less than 4 drives.  It can be done with 3 but the performance will be
abysmal.  Although, it's been pointed out that "abysmal" is relative.
Compared to a new i5 with bigger raid sets it is abysmal.  However
compared to a 5360 it might be smoking fast.

Rob Berendt
--
Group Dekko Services, LLC
Dept 01.073
PO Box 2000
Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





Jerry Draper <midrangel@xxxxxxxxxxxxx>
Sent by: midrange-l-bounces@xxxxxxxxxxxx
01/11/2007 03:07 PM
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Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>


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Subject
S36 to AS400 migration






I have to migrate a S36 to and AS400.

I need to determine DASD requirements.  Their S36 has a capacity of
1,200,000 blocks.  How many bytes is this?

Jerry


--
Jerome Draper, Trilobyte Software Systems, since 1976
iSeries, Network, and Connectivity Specialists -- iSeries, LAN/WAN/VPN
Representing WinTronix, Synapse, Netopia, HiT, and others .....
(415) 457-3431; www.trilosoft.com

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