Re: Hosting Linux partitions on IBM i -- MIDRANGE-L

That is true nowadays (P8/P9 machines). On the first generations of 2.5"
disks and on all of the 3.5" disks before that (and we are talking SAS
disks, SCSI are completely out) you cannot format them.
I had this exact same conversation here a few years ago with Sue Baker:
https://archive.midrange.com/midrange-l/201406/msg00157.html
As Jerry mentions having a 740, I think it is safe to assume that the disks
belong to the "most probably won't be able to be formatted" family. Now,
the cheap way to install VIOS or AIX on an unsupported machine would be to
take the dik trays, and replace the disks with any SAS HDD or SSD.
AIX/Linux don't really care about VPD or vendor and will happily use X
Series or other brand disks.

On Mon, Oct 5, 2020 at 8:46 PM Steve Pavlichek <spavlichek@xxxxxxxxxxx>
wrote:

Drives that were AIX/VIOS can be formatted to IBM i and visa versa. There
is no blocking aix drives from being formatted to 520 (IBM i) and back. The
same is true for an IBM i drive formatted to AIX or VIOS. They just have a
different part number and fru number. It is possible that the wrong fru
number might be called out if it fails.

https://www.ibm.com/support/pages/how-format-i-drives-aix-format-purpose-installing-vios

Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for
Windows 10

From: Roberto José Etcheverry Romero<mailto:yggdrasil.raiker@xxxxxxxxx>
Sent: Monday, October 5, 2020 7:27 PM
To: Midrange Systems Technical Discussion<mailto:
midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Hosting Linux partitions on IBM i

Yes. Unfortunately the old disks didn't support being reformatted (it
actually has to do with the VPD of the disk, not the capability of being
formatted). If you have too much disk capacity on IBM i disks you can
always use IBM i to host disk for your LPARs....

On Mon, Oct 5, 2020 at 7:23 PM Jerry Draper <midrangel@xxxxxxxxxxxxx>
wrote:

We recently added and an AIX partition to our 740.

We were advised that you can't use IBM I formatted drives (520 byte
sector) and we had to buy IX formatted drives (512 byte sector(.

Would this requirement also apply to Linux?

Thx,

Jerry

--
Jerry Draper, Trilobyte Software Systems, since 1976
IBMi, Network, and Connectivity Specialists, LAN/WAN/VPN
Representing WinTronix, Synapse, HiT, and others .....
(415) 457-3431 opt-1 .

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