SUMMARY: Change the format block size

From: jdell@maggie.mit.edu
Date: Fri May 21 1993 - 15:42:19 CDT


Hi all,

My original question was:

   I've just gotten a Seagate Elite 3.5 GByte drive in. In the
   specifications, it states that if I use 1024-byte blocks instead of
   the 512-byte blocks that it came with, that I could get another
   200 MBytes out of this, minus, of course, the average extra amount that
   each file now takes. However, I couldn't find in the man pages
   for format or the System/Network Admin manual, where I can change
   this. Anybody know?

Turns out that you can't. Actually, I heard from Sun that Solaris 2.x might
have a -e option which can do it. But alas, I'm sticking with Solaris 1.1
for now. I got correct responses from the following:

>From: dan@bellcore.com (Daniel Strick)

  You can't.

  Sun SCSI software does not support any disk sector size
  other than 512 bytes.

>From: Timothy G. Smith - Special Projects <tgsmith@Sun.COM>

  < However, I couldn't find in the man pages for format or the
  < System/Network Admin manual, where I can change this. Anybody know?

  You can't change it.

                                                                John

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John Ellithorpe | Internet: jdell@maggie.mit.edu
Dept. of Physics, Rm 26-349 | Phone : (617) 253-3074 Office
Massachusetts Institute of Technology | (617) 253-3072 Lab
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