Dell PowerVault MD3620i Owner's Manual - Page 140

CAUTION, these steps

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d Select the RAID controller module. CAUTION: Possible loss of data access-If you do not use a multi-path driver, shut down any host applications that are currently using the virtual disk. This action prevents application errors when the I/O path changes. e Click Yes. The ownership of the virtual disk is changed. I/O to the virtual disk is now directed through this I/O path. You are finished with this procedure. NOTE: The virtual disk might not use the new I/O path until the multi-path driver reconfigures and recognizes the new path. This action usually takes less than 5 minutes. 3 To change the RAID controller module ownership of a disk group, perform these steps: a Select the Logical tab. b Select the disk group. c Select Disk Group Change Ownership/Preferred Path. Alternatively, you can right-click the disk group and select Change Ownership/Preferred Path from the pop-up menu. d Select the RAID controller module. CAUTION: Possible loss of data access-Changing ownership at the disk group level causes every virtual disk in that disk group to transfer to the other RAID controller module and use the new I/O path. If you do not want to set every virtual disk to the new path, change ownership at the virtual disk level instead. e Click Yes. The ownership of the disk group is changed. I/O to the disk group is now directed through this I/O path. NOTE: The disk group might not use the new I/O path until the multi-path driver reconfigures and recognizes the new path. This action usually takes less than 5 minutes. 140 Configuration: Disk Groups and Virtual Disks

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140
Configuration: Disk Groups and Virtual Disks
d
Select the RAID controller module.
CAUTION:
Possible loss of data access—If you do not use a multi-path driver,
shut down any host applications that are currently using the virtual disk. This
action prevents application errors when the I/O path changes.
e
Click
Yes
.
The ownership of the virtual disk is changed. I/O to the virtual disk is now
directed through this I/O path. You are finished with this procedure.
NOTE:
The virtual disk might not use the new I/O path until the multi-path
driver reconfigures and recognizes the new path. This action usually takes less
than 5 minutes.
3
To change the RAID controller module ownership of a disk group, perform
these steps:
a
Select the
Logical
tab.
b
Select the disk group.
c
Select
Disk Group
Change
Ownership/Preferred Path
.
Alternatively, you can right-click the disk group and select
Change
Ownership/Preferred Path
from the pop-up menu.
d
Select the RAID controller module.
CAUTION:
Possible loss of data access—Changing ownership at the disk group
level causes every virtual disk in that disk group to transfer to the other RAID
controller module and use the new I/O path. If you do not want to set every virtual
disk to the new path, change ownership at the virtual disk level instead.
e
Click
Yes
.
The ownership of the disk group is changed. I/O to the disk group is now
directed through this I/O path.
NOTE:
The disk group might not use the new I/O path until the multi-path driver
reconfigures and recognizes the new path. This action usually takes less than 5
minutes.