Notes For Formatting A Lun Of The Eternus Dx From A Windows Server - Fujitsu ETERNUS DX Configuration Manual

Chapter 3 Notes
3.11

Notes for Formatting a LUN of the ETERNUS DX from a Windows Server

8
Restart the OS.
If a firmware update of the ETERNUS DX is performed in a Hyper-V environment where a pass-through disk
is configured for the guest OS, the disk is recognized as a new disk and the pass-through disk is removed
from the physical hard disk. Therefore, the pass-through disk must be manually reconfigured to be re-
stored.
The procedure for restoring (or reconfiguring) the disk is as follows:
1
Start "Hyper-V Manager".
2
Select the offline guest OS and click [Settings] in the right pane.
The settings pop-up for the guest OS appears.
3
In the settings pop-up under [SCSI Controller], select the hard drive that has the message "Physical
drive not found".
4
Select the appropriate disk for the [Physical hard disk] area in the right side of the window.
5
Click the [OK] button.
3.11 Notes for Formatting a LUN of the ETERNUS DX from a Win-
dows Server
If a LUN of the ETERNUS DX is formatted from a Windows Server
The formatting operation takes longer to complete.
•
If the formatting operation is canceled, the canceled operation becomes unresponsive.
•
These are the problems caused by performance degradation due to the command being issued to release the
storage capacity for the entire formatting area.
Performance degradation can be prevented by executing the following command to change the parameter
value to stop the command from releasing the storage capacity of all the volumes.
# fsutil behavior set disabledeletenotify 1
After all formatting operations have been completed, execute the following command to re-enable the com-
mand that releases the storage capacity of all the volumes.
# fsutil behavior set disabledeletenotify 0
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FUJITSU Storage ETERNUS DX Configuration Guide -Server Connection- (SAS) for Windows
Copyright 2020 FUJITSU LIMITED
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