GEOM stripe + concat
Pawel Jakub Dawidek
pjd at FreeBSD.org
Tue Jan 24 14:28:28 PST 2006
On Sun, Jan 22, 2006 at 07:22:57PM +0300, Sergey Lungu wrote:
+> Hello,
+>
+> I have FreeBSD 6.0-RELEASE running on my FTP server. There are three
+> disks on that box: two identical 120GB and one 300GB. I am using gvinum
+> for stripping between first two disks. I am going to give gstripe a
+> try, sine gvinum is too unstable.
+>
+> So, the questin is:
+> Am I able to concatenate created stripe with 300GB disk? And is it wise
+> at all?
I'd do something like this:
da0 - 120GB disk
da1 - 120GB disk
da2 - 300GB disk
da2a - 240GB partition
da2d - 60GB partition
concat( stripe( concat(da0, da1), da2a ), da2d)
In other words:
# gconcat C0 da0 da1
# gstripe S0 concat/C0 da2a
# gconcat C1 stripe/S0 da2d
# newfs -U /dev/concat/C1
This way you have 240GB in stripe and only 60GB without stripe (so
slower).
Yes, you can do this with GEOM:)
--
Pawel Jakub Dawidek http://www.wheel.pl
pjd at FreeBSD.org http://www.FreeBSD.org
FreeBSD committer Am I Evil? Yes, I Am!
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