[Sunhelp] disks for Sun SSA

[P Nutton]

Hi all,

I have now fitted five 9.0 Gb drives into my Sun SSA (100 series) replacing
the existing 1.05Gb drives, part numbers (format, select drive, i) below as
promised:

Vendor	IBM
Product	DNES30917SUN9.0G
Rev		SAD0

Vendor	Fujitsu
Product	MAB3091S SUN9.0G
rev		1907

It is the following disk that I am having problems with

Vendor	Seagate
Product	ST39173WC
Rev		6244

This disk, when labeled, shows as 7076 cyl, 8.00 Gb

The one I have in an E450 shows as 7499 cyl, 8.47 Gb, but all other info,
INCLUDING THE  FIRMWARE REVISION is identical!

Scary.

No amount of reformatting, verification, prtvtoc/fmthard, format -e (scsi
expert mode) will persuade the disk that it can address 7499 cylinders. I
can see them go past as the disk formats, but when the time comes to label
the disk, the command fails as it can no-longer read the backup label. I
don't want it to read the backup label, as that is old data on the previous
format. But it doesn't ask.

Hav anyone out there any idea how to low-level format one of these drives to
persuade it that it <really> is 7499 cylinders? Is this a forced firmware
upgrade (shudder)?

NB I have just recieved another Seagate 9.0Gb drive from our repair people,
which is:

Vendor	Seagate
Product	ST39173W SUN9.0G
Rev		2815

which shows as 8.43 Gb, the same as the Fujitsu and IBM drives. Really
scary.
-- 
Paul Nutton
--
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