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тАО03-23-2009 02:27 AM
тАО03-23-2009 02:27 AM
MPIO with Windows cluster and MSA2000
Hi
I have problems with Windows 2003 cluster. DL380 G5 + MSA2012fc + MPIO.
Some times, after reboot, Windows don┬┤t find the quorum and data disks.
MPIO is configured by default with Round robin with subset but, as MPIO release notes says:
popular clustering software (including MSCS and VCS) currently use SCSI-2 reservations
When the MPIO DSM is used with a standard cluster software (MSCS) setup uses SCSI-2 reservations, the DSM will choose DSM_LB_FAILOVER automatically and no dynamic load balancing is applied. Dynamic load balancing among multiple paths can only be achieved in cluster configurations when the cluster application supports SCSI-3 persistent reservations.
I use msa2000-mpio-dsm-2.4.1.5-x64.zip
Must I change MPIO to failover?
thanks.
I have problems with Windows 2003 cluster. DL380 G5 + MSA2012fc + MPIO.
Some times, after reboot, Windows don┬┤t find the quorum and data disks.
MPIO is configured by default with Round robin with subset but, as MPIO release notes says:
popular clustering software (including MSCS and VCS) currently use SCSI-2 reservations
When the MPIO DSM is used with a standard cluster software (MSCS) setup uses SCSI-2 reservations, the DSM will choose DSM_LB_FAILOVER automatically and no dynamic load balancing is applied. Dynamic load balancing among multiple paths can only be achieved in cluster configurations when the cluster application supports SCSI-3 persistent reservations.
I use msa2000-mpio-dsm-2.4.1.5-x64.zip
Must I change MPIO to failover?
thanks.
jm
2 REPLIES 2
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тАО03-27-2009 03:24 AM
тАО03-27-2009 03:24 AM
Re: MPIO with Windows cluster and MSA2000
Juan
In a cluster avoid round robin like the plague, use failover only.
In a cluster avoid round robin like the plague, use failover only.
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тАО03-27-2009 06:29 AM
тАО03-27-2009 06:29 AM
Re: MPIO with Windows cluster and MSA2000
I will try to change it to failover.
Do you have any document about it?
thanks.
Do you have any document about it?
thanks.
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