SUMMARY _Quick IDE Solaris 8 question ..

From: Gary Lopez (gary@catapult.com)
Date: Tue Apr 18 2006 - 11:47:42 EDT


> Hello,
> I looked through google and I am still searching, but I know someone
> here knows because I asked before and I cannot find where I saved the
> e-mail.
>
> I am running solaris5.8 on an Ultra-10 and need to purchase the biggest
> IDE disks that Solaris 8 will recognize. I thought it was up to 133gb
> and there was some algorithm to figure out the size but I cannot
> remember. Can someone quickly remind me please the biggest disk I can
> install in a Solaris 8 machine?

Thanks to Ric Anderson, Matthew Stier, Steven Liu, Bob and sandwich
Maker for the following answers.

The issue isn't Solaris 8, it is the IDE controller on the Ultra-5/10.
The native IDE controller has the 137GB limit, so you will be limited to
120GB drives. If someone sold a LBA48-compliant PCI-based IDE controller
card, with SPARC drivers, Solaris 8 would support it.
If you really need more than two 120GB drives, I have see a webpage that
advertises a PCI-based SATA card, with SPARC drivers. Of course the list
price is in the $350.00 range. At these prices, I'd start thinking
about replacing the Ultra-10 with a second hand Sun Blade 100 or 150.
(www.solarsystems.com or ebay)

Ultra 10 limits you to 120ish gb in its controller. See
  http://www.science.uva.nl/pub/solaris/solaris2.html#q5.64
for limitations imposed by certain versions of Solaris 8.

It's 133GB it's a 28-bit address bus on the IDE controller. 2^28
512-byte sectors = 137,438,953,472
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