Troubleshooting guide

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Cisco Wide Area Application Services Configuration Guide
OL-26579-01
Chapter 1 Maintaining Your WAAS System
Configuring the Central Manager Role
Note The ServeRAID controller automatically starts the rebuild operation when it detects the removal
and reinsertion of a drive that is part of the logical RAID drive.
Step 9 Wait until the rebuild operation is complete. You can check if the rebuild operation is complete by using
the show disks details command in EXEC mode. The physical drive state will be Online and the RAID
logical drive state will be Okay after the rebuild operation is completed.
A 300-GB SAS drive may take up to 5 hours to finish rebuilding.
If you have multiple disk failures and your RAID-5 logical status is Offline, you must recreate the
RAID-5 array by following these steps:
Step 1 Enter global configuration mode and then enter the disk logical shutdown command to disable the
RAID-5 array.
Step 2 Enter the write command in EXEC mode to save the running configuration to NVRAM.
Step 3 Enter the reload command in EXEC mode to reload the system.
Step 4 Enter the show disks details command in EXEC mode to check the system configuration after the
system is rebooted. At this point, the disks are not mounted and the logical RAID drive should be in the
Shutdown state.
Step 5 Enter the disk recreate-raid command in EXEC mode to recreate the RAID-5 array.
Step 6 After successful execution of the previous command, enter global configuration mode and then enter the
no disk logical shutdown command to disable the logical disk shutdown configuration.
Step 7 Enter the write command in EXEC mode to save the configuration to NVRAM.
Step 8 Enter the reload command in EXEC mode to reload the system.
Step 9 Enter the show disks details command in EXEC mode to check the system configuration after the
system is rebooted. At this point, the disks should be mounted and the logical RAID drive should not be
in the Shutdown state.
Step 10 Wait until the rebuild operation is complete. You can check if the rebuild operation is complete by using
the show disks details command in EXEC mode. The physical drive state will be Online and the RAID
logical drive state will be Okay after the rebuild operation is completed.
It takes several hours to finish rebuilding the RAID-5 array.
After a multiple disk failure or RAID controller failure, and after the drives are replaced and the RAID
disk is rebuilt, the logical disk may remain in the error state. To reenable the disk, use the no disk logical
shutdown force command, then reload the WAE.
Configuring the Central Manager Role
The WAAS software implements a standby WAAS Central Manager. This process allows you to maintain
a copy of the WAAS network configuration on a second WAAS Central Manager device. If the primary
WAAS Central Manager fails, the standby can be used to replace the primary.