IBM ServeRAID-4 Ultra160 Series User Reference page 168

10. Shut down the server.
11. Connect the expansion enclosure to each of the ServeRAID controllers.
12. Remove the IBM ServeRAID Support CD (or the configuration CD that was
13. Start the ServeRAID Manager that is installed on the server and confirm that
Replacing a controller of a failover pair in a hot-plug PCI slot
If the failed controller is in a hot-plug slot, refer to the documentation that comes
with the server for instructions for replacing the controller.
Note: Windows 2000 does not support the hot-replace feature. Refer to "Replacing
For Windows NT, use the following software to replace the controller by following
the on-screen directions:
v IBM Netfinity PCI Hot Plug for Windows NT 4.0 Package, version 4.1 or later
v (For the ServeRAID-4M, ServeRAID-4Mx, ServeRAID-4L, and ServeRAID-4Lx
v IBM ServeRAID Manager program
v IBM ServeRAID Hot Replace Wizard
Recovering from a power failure during a failover
If a power failure occurs during a failover, it is possible that the two controllers in
the active-passive pair might have the following problems:
v Some logical drives are configured on one controller and some logical drives are
v A logical drive does not appear on either controller.
To recover from a power failure, do the following:
1. Run ipssend merge for every merge group number configured on the controller
2. Run ipssend unmerge for every merge group number configured on the
3. Shut down and restart the server. Windows NT and Windows 2000 pairs the
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IBM User's Reference: ServeRAID
Important
When connecting the cables, you must connect the same channel connectors on both
ServeRAID controllers to the same expansion enclosure. For example, if you connect the
cable from Channel 1 on the first ServeRAID controller to the first expansion enclosure,
then you must connect the cable from Channel 1 on the second ServeRAID controller to the
first expansion enclosure.
included with your server) from the CD-ROM drive; then, turn on the server.
the ServeRAID controllers are in a failover pairing (see Figure 20 on page 50).
a controller of a failover pair in a non-hot-plug PCI slot" on page 149.
controllers only) IBM PCI Hot Plug Adapter Update, version 1.0, for the IBM
Netfinity PCI Hot Plug for Windows NT 4.0
configured on the other controller.
that you want to be active in the pair.
Note: If ipssend merge fails, run ipssend merge partner for every merge
group number configured on the controller that you want to be active in
the pair.
controller that you want to be passive in the pair.
controllers again.
™
-4 Ultra160 SCSI Controller