Symptoms
After UltraPath is installed in AIX, disks are mapped from the storage array to the host. After the cfgmgr command is executed on the host to scan for disks, the disk status becomes Defined.
Cause
The cfgmgr command fails to configure the disk because the free space is zero.
Analysis
The cfgmgr command is used for disk configuration. The disk configuration fails and the disk status becomes Defined.
The df -m command is executed to check the host file system. the available space of the root directory is zero. When the cfgmgr command is used for disk configuration, the configuration fails due to zero available space. As a result, the disk status becomes Defined.
Solution
To solve this problem, delete virtual disks and rescan for the disks. The operations are as follows:
Run the chfs -a size=+1G / command to expand the capacity of the root file system.
Run the rmdev -dl diskname command to delete all disks whose status is Defined.
Run the cfgmgr command to rescan for the disks.
