SUMMARY: growing a ufs drive
2007-12-24 23:02:00
do this. SDS merely includes a script (growfs) that uses an
undocumented flag for mkfs (-G).
You can do the following on a Solaris system without SDS:
/usr/lib/fs/ufs/mkfs -G -M /current/mount /dev/rdsk/cXtYdZsA newsize
There were many people that responded to this and each fell into one of
2 camps; (1) you need SDS to do this and (2) you do not need SDS to do
this. Surprisingly, even some people from SUN thought you needed SDS to
grow a ufs. Now, the main issue with growing ufs is contiguous disk
space (which I assume is greatly alleviated with SDS, hence why it's
seen as a requirement). The second biggy is that new inodes are not
allocated so this better be on a filesystem with fewer, larger files as
opposed to alot of little files.
Also, as I understand it, you cannot do this on a system partition.
Here are some links that were sent to me as well.
http://www.science.uva.nl/pub/solaris/solaris2/Q3.71.html
http://www.mcsr.olemiss.edu/cgi-bin/man-cgi?growfs+1
Many thanks to all who replied.
~JK
-------- Original Message --------
Subject: growing a ufs drive
Date: Tue, 18 Jun 2002 11:59:05 -0700
From: "Jeff Kennedy" <jlkennedy at amcc.com>
To: Sun-Managers List <sun-managers at codeprof.com>
I have heard that ufs has been able to be grown for some time now (from
2.6 up) with "growfs". I cannot find this command nor can I confirm the
ability to do this.
Can anyone confirm yes or no that ufs can be grown?
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