HiCommand Dynamic Link Manager User's Guide (for Windows(R))

3.4.7 Notes on upgrade installation

If either of the following conditions is met, the disk numbers managed by Windows might be changed from the state they were in prior to migration or upgrade installation:

When disk numbers managed by Windows are not consecutive, HDLM versions earlier than 5.4 are migrated to 5.9.1

When Hitachi's RAID Manager command device is used, HDLM versions earlier than 5.7 are migrated to 5.9.1 or an upgrade installation is performed

If a disk number is changed and the disk is being used by an application, perform the following:

If the disk number of the disk being used by an application can be changed:

Change the disk number to the number that will be used after the change.

If the disk number of the disk being used by an application cannot be changed:

Restore the disk number managed by Windows to the number that was in use prior to the migration or upgrade installation. For details about how to do this, contact Microsoft.

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