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SV: SV: [Linux-cluster] Linux Clustering Newbe

I used sysbasher and the web interface on the san. I figure that it gives an ok view of the load on the san. It corresponds ok with timed cp's.
Also i did some loops that just copied to and from the san. But generally it's just a rough average, and i'm just wondering if it's similar in performance to other configurations.
The hardware is:
 2 fujitsusiemens RX200s3 servers with emulex 11003 hbas and two dualcore cpus and 4gb memory.
Connected is a SX60 san with an extra controller and powersupply.

Mvh / Kind regards

Kristoffer Lippert
JP/Politiken A/S
Online Magasiner

Tlf. +45 8738 3032
Cell. +45 6062 8703


Fra: linux-cluster-bounces redhat com [mailto:linux-cluster-bounces redhat com] På vegne af Dan Askew jmsmucker com
Sendt: 31. juli 2007 12:12
Til: linux clustering
Emne: Re: SV: [Linux-cluster] Linux Clustering Newbe

No I do not but if you elaborate on the tests performed or have atest script I would be glad run some bench marks.

It would also be helpful to know the hardware you are running on.

Dan Askew
Sr Systems Administrator
The J. M. Smucker Company

Phone (330)684-3662

"Kristoffer Lippert" <kristoffer lippert jppol dk>
Sent by: linux-cluster-bounces redhat com

07/31/2007 04:32 AM

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SV: [Linux-cluster] Linux Clustering Newbe

Hi Dan,
Have you got any performance figures on the OCFS2 ?
My GFS is currently delivering the following performance:
(2 nodes, 2gbit FC HBAs multipath'ed + 1 Fujitsu SAN (SX60) 7x250gb raid 5.)
Writes: average 100mb/sec, 200 files/sec (with simple cp/rm)
Writes: max 150mb/sec, 250files/sec (with simple cp/rm)
Reads: average 160mb/sec (cat > dev/null - uncached)
Reads: average 1150mb/sec (cat > dev/null - cached)
Anybody have a feeling about this performance level?

Fra: linux-cluster-bounces redhat com [mailto:linux-cluster-bounces redhat com] På vegne af Dan Askew jmsmucker com
20. juli 2007 16:19
linux clustering
[Linux-cluster] Linux Clustering Newbe

Ok Here is what I did to get it working:

used RHCS to manage the cluster services
used CLVM  to manage the LVM metadata across cluster

       Coded a "locking_type = 3" in the LVM.CONF file

Used OCFS2 to cluster and manage the filesystems across cluster.

Configuration is

2 node cluster runing nfs

vitural IPAddr service to allow clients to mount the drives via NFS

All appears to be working fine. I can fail over the services manually or even boot a server and the failover works great.

Now the big question....is this supported by redhat and oracle ...hmmmm

Thanks to all who helped get this working...

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