Nov 14 2014

How to Change Disk Status From Reserved to Online on Windows

Category: VMware,WindowsFatih Acar @ 18:02

I took a clone backup for windows failover cluster system from vmware system which used raw disks. Raw disks automatically converted to vmdk disk via vmware. I restored this clone backup as new standalone server. I started system but my disks were reserved status and I could not use these. I implemented below steps to convert disk status from reserved to online.




Delete Reserved Disks Information From Regedit

You have to delete content from AttachedDisks parameter. You have to restart server after delete operation.


Set SAN Policy to Online

If SAN Policy is OfflineAll, you have to set this parameter to OnlineAll


Disks Make Online


Change Read Only Status to Read Write


Finally, you can use disks.

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Tags: Cluster Systems, Disk Status Convert, Reserved Disk to Online Disk, System Administration, Windows Cluster Disks

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2 Responses to “How to Change Disk Status From Reserved to Online on Windows”

  1. Sam says:

    My disks are online, but my cluster management console doesn’t recognize them.

  2. Martin says:

    Delete Reserved Disks Information From Regedit
    you forgot wrote where is path :)

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