Article ID: 60448
Article Type: Troubleshooting
A restore of a VMware VM that uses SAN transport mode fails if the VSA proxy is in read-only mode.
A restore operation for a VMware VM fails when using SAN transport mode. The following JPR appears:
Unable to write data to virtual disk [[DS] vm_name.vmdk] using SAN transport because it is read only. Ensure that the access node has write access to physical disk [disk_identifier].
Where disk_identifier is in the form [\.\PhysicalDisknn] for a Windows proxy (nn is the disk number) or [/dev/sdxx] for a Linux proxy (sdxx is the device name).
A restore that uses SAN transport mode fails if the VSA proxy is in read-only mode.
Clear the read-only mode on the VSA proxy machine by performing the appropriate steps, based on the operating system type (Linux or Windows). Linux machines:
In place of /dev/sdxx, use the name of the device or devices that were listed in the error message.
Microsoft DiskPart version 6.0.6002 Copyright (C) 1999-2007 Microsoft Corporation. On computer: COMPUTERNAME
DISKPART> list disk
Disk ### Status Size Free Dyn Gpt -------- ---------- ------- ------- --- --- Disk 0 Online 64 GB 0 B Disk 1 Offline 78 GB 2048 KB <--- The share disk is usually reported as Offline
DISKPART> select disk 10
Disk 10 is now the selected disk.
DISKPART> detail disk
ROCKET IMAGEFILE SCSI Disk Device Disk ID: 02872505 Type : iSCSI Bus : 0 Target : 0 LUN ID : 0 Read-only : Yes <--- Make sure of read-only mode Boot Disk : No Pagefile Disk : No Hibernation File Disk : No Crashdump Disk : No
There are no volumes.
DISKPART> attribute disk clear readonly
Disk attributes cleared successfully.