Re: Does solaris require disks to be zeroed before using
From: Dave Uhring (daveuhring_at_yahoo.com)
Date: 09/24/04
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Date: Fri, 24 Sep 2004 16:13:05 -0500
On Fri, 24 Sep 2004 14:10:48 -0500, David A. Lethe wrote:
> Example .. .when you run the format command. Obviously it doesn't
> write before reading, or every time you ran it, it would blow the
> partitions away ;)
It should have been quite clear that Scott was referring to reads of
filesystems.
> This brings up the reason for the question to begin with. The test
> suites don't wipe the disks clean, and we had what might have been a
> zillion-to-one shot where fdisk (on LINUX) exited with an invalid
> partition error when the sysadmin tried to partition things.
There is no requirement whatever for zeroing data blocks. I have
formatted drives which previously contained Tru64, various BSDs and Linux
and installed Solaris which ran with no problems at all.
Your experience with Linux is irrelevant WRT Solaris.
> After I figured out problem wasn't hardware related, and using dd to
> blow the first few MB of the disk away, we have to deal with problem
> prevention ... do we adjust testing utilties to insure that all or
> part of the disk is zeroed before we let people use the disks.
If you wish to waste time and energy then help yourself. That is not
required.
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