SCSI and RAID Devices

DISABLE CLUSDISK DRIVER

Vxio will not assume that the cluster has failed, and stop the reservation thread which would result in taking the VMDG offline. Move all resources to the alternate node. Similarly is there any change in Windows or its same as Windows ? Earlier in Windows we use to go to Non Plug and Play devices and disable the Cluster disk driver. Hi John, Thanks for your revert, yes it will really help every one of us.

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EMC Community Network – DECN: How to upgrade PowerPath on Microsoft Cluster

Remove From My Forums. Either way, it is not the HBA requesting this event.

Vxio will not assume that the cluster has failed, and stop the reservation thread which would result in taking the VMDG offline. I’ll just add that in my experience as someone who troubleshoots disk related issues in clusters clusdiks a living, I will say that I find disablr very rare that you would need to disable cluster disk driver in Enable cluster disk driver 8: But you can not access the disk in a cluster without starting the cluster services.

By continuing to browse this site, you agree to this use. It may be also that the multipathing driver has detected a path failure and is failing over path. Hi John, Thanks for your revert, yes it will really help every one of us. Earlier in Windows we use to go to Non Plug and Play devices and disable the Cluster disk driver. I believe that may be for Windows cluster and having run into problems that you would use that procedure. Use normal Microsoft Failover cluster disahle when doing maintenance.

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Non-Plug and Play Drivers. Disbale my blog about multi-site clustering. Service Pack versions are considered full versions.

Office Office Exchange Server. A good troubleshooting step would be to shutdown the OS on all but the problem node, disable the cluster service and disk driver on the problem node and reboot. Once the cluster service starts responding again, LooksAlive will resume.

Please type your message and try again. If you are in this scenario, you are probably looking at either a catastrophic fiber switch failure or someone powered off the SAN.

This means more than one cluster node may think it owns the disks. Move all resources to the alternate node. Cancel You must be logged in to post a comment. Here are the four possible combinations of symptoms that could help you narrow down where the potential disk problem lies.

For basic disks and dynamic disks the LooksAlive process is to in effect send a reservation request every 3 seconds to the resource. By suspending the refresh, it will no longer issue cluedisk reservation every 3sec, but the reservation will still be present. Let me know if you need any more information.

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This is documented in the PowerPath installation guide. Go to original post.

Symptom based cluster disk failure troubleshooting

This will keep the group the disk is located in from failing back and forth between nodes. Perform the PowerPath upgrade and reboot the server.

If you have PowerPath hotfixes or patches they must be removed and host rebooted prior to upgrading. Thanks cluusdisk your revert. If not, install the latest applicable version. You must be logged in to post a comment. If no disk resources come online on problem node Our strongest culprit here would be either the HBA itself or a configuration problem with the multipathing software.

Do not stop cluddisk service as it will then be re-activated after a reboot.