I imagine you could do the reverse of this hack to change from the NTAP 520 byte format to 512 byte format:

http://www.liveinternet.ru/users/vardomskiy/post127616861/

I've never tried either, so your mileage may vary.


-----Original Message-----
From: toasters-bounces@teaparty.net on behalf of John Stoffel
Sent: Fri 1/6/2012 1:06 PM
To: Don Elmore
Cc: toasters@teaparty.net
Subject: Re: DS14MK4 as DAS


Don> Apologies if this has been asked before.  We have a DS14MK4 shelf
Don> with 144G FC disks and 2 ESH4 modules that's no longer in
Don> production. I've heard of people using these shelves as
Don> direct-attached storage (no filer head, just directly cabled to a
Don> host), but I haven't been able to pull up any details after
Don> searching online. I figure if anybody has tried something this
Don> silly, they're probably on this mailing list :)

Don> Has anybody been able to get this to work? Any tips/tricks?

I tried to do something like this about two years ago with a SunBlade
100 running Solaris 10, maybe 9, and using ZFS.  Never got it to work
reliably for whatever reason, and gave up.  I was probably using a
DS14mk2 though, so who knows.

As I recall, the biggest issue was the 520 byte sectors the Netapp
drives come with, instead of the expected 512 byte sectors that most
drives use natively.  I seem to recall there was a trick you could use
to make it work, but the hardware is gone so I can look it up.

Sorry,
John
    John Stoffel - Senior Staff Systems Administrator - System LSI Group
  Toshiba America Electronic Components, Inc. - http://www.toshiba.com/taec
             john.stoffel@taec.toshiba.com - 508-486-1087
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