Use this procedure to migrate the data on a drive (not actively connected to a server). A server may be attached to the new SAN Volume Controller’s (SVC) ImageDisk at a later time if needed. This procedure was written for SVC version 3 and 4.
1) Remove the selected LUN(s) from the current host
2) Assign the selected LUN(s) to the SVC
3) Log into the SVC Master Console
4) Verify the SVC can now access the new disks.
a. Work with Managed Disk
i. Managed Disks
1. Discover MDisks…Go
5) Do the following ONE TIME ONLY
a. Create a managed disk group with NO managed disks.
b. Name: ImageDisk
i. This group is used to temporarily hold all the “Image Disks”
6) Import the original disk in as an “Imaged Disk”
a. Work with Managed Disks
b. Managed Disks
i. Select the “unmanaged disk”
ii. Create an Image Mode VDisk…Go
1. Name: ImgDisk XXX
2. UnCheck “Create an empty MDisk Group”
3. Next
4. Select the managed disk group
a. “ImageDisk” (Created in the ONE TIME ONLY section)
5. Next
6. Finish
7) Start the migration to a Managed Disk
a. Work with Virtual Disk
i. Virtual Disks
ii. Select ImgDiskxxx
iii. Migrate a VDisk….Go
1. Select Target MDisk Group
2. Select Number of Threads to devote
a. 1 = 1 block migrated at a time
b. 2 = 2 blocks migrated at a time
c. 3 = 3 blocks migrated at a time
d. 4 = 4 blocks migrated at a time
3. Click OK
8) Review the migration progress
a. Manage Progress
i. View Progress
1. VDisk Migration
2. Refresh as needed.
9) Wait for the Migration to Complete.
a. When completed no progress will be displayed.
10) Remove the original disk from the Managed Disk Group
a. Work with Managed Disks
i. Managed Disk Groups
1. Select the “ImageDisk” group (Created in the ONE TIME ONLY )
2. Remove MDisks…Go
3. Select appropriate MDisk
4. Click OK
11) Remove the original disk from the SVC
a. Un-assign the appropriate LU from the SVC
i. The SVC “Controller LUN Number” will match the LUN assigned to the SVC from your storage array.
12) Verify the SVC can no longer access the new disk.
a. Work with Managed Disk
i. Managed Disks
1. Discover Managed Disk…Go
Basic Steps to attach a server to the new ImgDiskxxx
1) Zone the Host to talk with the SVC only.
2) Install the SDD Multipath driver.
3) Assign the Imaged Disk to the Host
b. Work with Virtual Disks
i. Virtual Disks
ii. Select the ImgDiskxxx
iii. Map VDisk to a Host…Go
1. Select the appropriate Host
2. Click OK
4) Verify the drive is accessible on the Host