Most active logical volumes
The filemon command can be used to create a report that lists the most active logical volumes on the various layers of file system utilization, including the logical file system, virtual memory segments, LVM, and physical disk layers. This section describes the column headings displayed on the report.
- util
- Utilization of logical volume.
- #rblk
- Number of 512-byte blocks read from logical volume.
- #wblk
- Number of 512-byte blocks written to logical volume.
- KB/s
- Average transfer data rate in KB per second.
- volume
- Logical volume name.
- description
- Either the file system mount point or the logical volume type (paging, jfslog, boot, or sysdump). For example, the logical volume /dev/hd2 is /usr; /dev/hd6 is paging, and /dev/hd8 is jfslog. There may also be the word compressed. This means all data is compressed automatically using Lempel-Zev (LZ) compression before being written to disk, and all data is uncompressed automatically when read from disk (see JFS compression for details).
The utilization is presented in percentage, 0.06 indicates 6 percent busy during measured interval.