What's new for V5R4

 

This topic highlights changes to disk management for v5r4.

• The Upgrading the load source disk unit with local mirroring using non-configured disk units topic explains the procedure for upgrading the capacity of the load source disk unit using mirrored protection with non-configured disk units.

• The Upgrading the load source disk unit with local mirroring using newly installed disk units topic explains the procedure for upgrading the capacity of the load source disk unit using mirrored protection with newly installed disk units.

• The Upgrading the load source disk unit without disk protection topic explains the procedure for upgrading the capacity of the load source disk unit without using disk protection.

• The Considerations for multipath disk units topic explains that you can use the Start DASD Management Operation (QYASSDMO) API to reset the correct path for missing multipath connections.

• An external disk unit located on a storage area network (SAN) can now be configured as the load source disk unit. For more information, see External load source disk unit.

 

What's new as of 14 September 2007

Using hot spare device parity protection

Changes to Disk Management include support for hot spare disks.

How RAID 5 works

Changes to Disk Management include support for SAS RAID adapters.

How to see what's new or changed

To help you see where technical changes have been made, this information uses:

• The image to mark where new or changed information begins.

• The image to mark where new or changed information ends.

To find other information about what's new or changed this release, see the Memo to users.

 

Parent topic:

Disk management