220 Alphabetical list of commands
Queue Depth
Shown by the all parameter. Average number of pending read and write operations being
serviced since the last sampling time. This value represents periods of activity only and excludes
periods of inactivity.
I/O Resp Time
Average response time, in microseconds, for read and write operations since the last sampling time.
Read Resp Time
Shown by the all parameter. Average response time, in microseconds, for read operations since
the last sampling time.
Write Resp Time
Shown by the all parameter. Average response time, in microseconds, for write operations since
the last sampling time.
Average I/O Size
Shown by the all parameter. Average data size of read and write operations since the last
sampling time.
Average Read I/O Size
Shown by the all parameter. Average data size of read operations since the last sampling time.
Average Write I/O Size
Shown by the all parameter. Average data size of write operations since the last sampling time.
Number of Disk Errors
Shown by the all parameter. Total number of disk errors detected since the last sampling time. Error
types include: number of SMART events; number of timeouts accessing the disk; number of times the
disk did not respond; number of attempts by the storage system to spin-up the disk; media errors
generated by the disk as specified by its manufacturer; non-media errors (generated by the storage
system, or by the disk and not categorized as media errors); number of bad-block reassignments.
Sample Time
Date and time, in the format year-month-day hour:minutes:seconds, when the data
sample was taken.
Example Show live statistics for disks 1.1 and 2.1:
# show disk-statistics 1.1,2.1
Durable ID Serial Number Bytes per second IOPS Number of Reads
Number of Writes Data Read Data Written Reset Time
-----------------------------------------------------------------------------
disk_1.1 SN 3936.2KB 67 23241330
14457080 1309.8GB 857.1GB 2012-01-17 19:22:54
disk_2.1 SN 4972.0KB 85 33941798
14529518 1935.5GB 846.1GB 2012-01-17 21:01:20
-----------------------------------------------------------------------------
Success: Command completed successfully. (2012-01-18 12:53:55)
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