Storage pool and spaces are in unknown state after Simplified Disaster Recovery using Backup Exec
Article ID: 100044279
Updated On:
Cause
The disks in the pool are bus type SAS, which is a shared bus. Since the default SAN attributes in Windows server are OfflineShared, Windows keeps these disks offline, by default.
Resolution
To resolve this issue, perform the following steps:
- For storage pool, set “IsReadonly” mode to false and for virtual disk, set “IsManualAttach” to false by executing the following powershell command:
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Set-StoragePool “StoragePoolName” -IsReadonly $false
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Set-VirtualDisk “VirtualDiskName” -IsManualAttach $false
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- Open Disk Management.
The disk corresponding to storage pool is in “offline” state with the “The disk is offline because of policy set by an administrator” information tag.
- Right-click the disk and select Online.
The disk is now online. The storage pool and spaces are now accessible.
Issue/Introduction
Storage pool and the corresponding virtual disk is displayed in “Unknown” state after simplified disaster recovery using Backup Exec. Volumes on the virtual disk are unavailable.
Cause
The disks in the pool are bus type SAS, which is a shared bus. Since the default SAN attributes in Windows server are OfflineShared, Windows keeps these disks offline, by default.
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