Disk performance information

The following table lists the performance information collected for each disk:

Table 1. gpfsDiskPerfTable: Disk performance information
Value	Description
gpfsDiskPerfName	The disk name.
gpfsDiskPerfFSName	The name of the file system to which the disk belongs.
gpfsDiskPerfStgPoolName	The name of the storage pool to which the disk belongs.
gpfsDiskReadTimeL	The total time spent waiting for disk read operations (low 32 bits).
gpfsDiskReadTimeH	The total time spent waiting for disk read operations (high 32 bits).
gpfsDiskWriteTimeL	The total time spent waiting for disk write operations in microseconds (low 32 bits).
gpfsDiskWriteTimeH	The total time spent waiting for disk write operations in microseconds (high 32 bits).
gpfsDiskLongestReadTimeL	The longest disk read time in microseconds (low 32 bits).
gpfsDiskLongestReadTimeH	The longest disk read time in microseconds (high 32 bits).
gpfsDiskLongestWriteTimeL	The longest disk write time in microseconds (low 32 bits).
gpfsDiskLongestWriteTimeH	The longest disk write time in microseconds (high 32 bits).
gpfsDiskShortestReadTimeL	The shortest disk read time in microseconds (low 32 bits).
gpfsDiskShortestReadTimeH	The shortest disk read time in microseconds (high 32 bits).
gpfsDiskShortestWriteTimeL	The shortest disk write time in microseconds (low 32 bits).
gpfsDiskShortestWriteTimeH	The shortest disk write time in microseconds (high 32 bits).
gpfsDiskReadBytesL	The number of bytes read from the disk (low 32 bits).
gpfsDiskReadBytesH	The number of bytes read from the disk (high 32 bits).
gpfsDiskWriteBytesL	The number of bytes written to the disk (low 32 bits).
gpfsDiskWriteBytesH	The number of bytes written to the disk (high 32 bits).
gpfsDiskReadOps	The number of disk read operations.
gpfsDiskWriteOps	The number of disk write operations.