[rescue] swap 36 gb SCA drive for 72 gb SCA

[Dave McGuire]

On December 13, 2019 6:23:34 PM Skeezics Boondoggle <skeezicsb at gmail.com>
wrote:
> Hitachi 72gb SCA drive issues?  Here's a thought: pop it into another
> machine and check the block size.
>
> I found a batch of Hitachi 72gb DK-somethings on Ebay several years ago
> that were unexpectedly affordable, but none of them seemed to work (Sun
> E3500, to be a ZFS testbed).  Then I noticed the block size was wrong --
> the firmware hinted that they'd been pulled from an EMC and had 520-byte
> blocks, which the Sun couldn't grok.  It's been ten years or so since this
> all went down, so I can't recall the details, but I think I put them in a
> spare NetApp shelf I happened to have laying around, wrote the latest
> NetApp-supplied firmware on 'em, then reformatted the lot with 512-byte
> blocks.  The Suns were happy with 'em after that.  (NetApp used to use 520
> byte "block checksum" format and had no trouble seeing them, and I was
> pleased to use a NetApp to blow away the EMC firmware. Feh!)
>
> That seems like a lot of work, now.  And you might not have a spare NetApp
> around. But maybe a modern-ish PC with a SCSI card and a half-decent BIOS
> utility?  It's a theory, anyway. :-)
  I've done it bunches of times on Suns using scsiutils, I think it was.  (It
has been awhile.)
               -Dave
-- Dave McGuire, AK4HZNew Kensington, PA