Im trying (software based) iSCSI right now, could post my benchmarks if other people are interested.
Best regards,
Sander
At 00:00 1-5-2006, you wrote:
Sander,
It depends, if you are looking for performance, definately SAN.
iSCSI might have a better performance over GNBD.
I found this on google http://www.bwbug.org/docs/RedHat-GNBD-Ethernet-SAN.pdf
It has some detais about GFS on SAN and on GNBD, It might help though.3
Good Luck and keep us posted.
Att.
FTM
On 4/26/06, Sander van Beek - Elexis <sander@xxxxxxxxx> wrote:
- Hi all,
- We did a quick benchmark on our 2 node rhel4 testcluster with gfs and
- a gnbd storage server. The results were very sad. One of the nodes
- (p3 1ghz, 512 mb) could run +/- 2400 insert queries per second when
- running mysqld-max 5.0.20 on a local ext3 filesystem. With a 2 node
- GFS over GNBD setup and inserts on both nodes at the same time, we
- only could do 80 inserts per second. I'm very interested in the
- perfomance others got in a similar setup. Would the performance
- increase when we use software based iscsi instead of gnbd?
- Or should we simply buy SAN equipment? Does anyone have statistics to
- compare a standalone mysql setup to a small gfs cluster using a san?
- With best regards,
- Sander van Beek
- ---------------------------------------
- Ing. S. van Beek
- Elexis
- Marketing 9
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- The Netherlands
- Tel: +31 (0)26 7110329
- Mob: +31 (0)6 28395109
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- Email: sander@xxxxxxxxx
- Web: http://www.elexis.nl
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