CLI Guide

Shown by the all parameter. The average response time, in microseconds, for write operations since the last
sampling time.
Average I/O Size
Shown by the all parameter. The average data size of read and write operations since the last sampling time.
Average Read I/O Size
Shown by the all parameter. The average data size of read operations since the last sampling time.
Average Write I/O Size
Shown by the all parameter. The average data size of write operations since the last sampling time.
Number of Disk Errors
Shown by the all parameter. The 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
Examples Show live statistics for disks 1.1 and 2.1.
# show disk-statistics 1.1,2.1
Show live error statistics for all disks.
# show disk-statistics error-stats
Show historical statistics from a specified date and time range for disk 1.5.
# show disk-statistics 1.5 historical time-range "start 2011-12-05 4:40 PM
end 2011-12-05 5:00 PM"
Show all samples of historical statistics for disk 1.5.
# show disk-statistics 1.5 historical all
Basetypes
disk-statistics (live)
drive-summary (historical)
status
See also
reset all-statistics
reset disk-error-statistics
reset disk-statistics
show disk-group-statistics
show disks
show dns-management-hostname
Description
Shows the management host name for each controller module.
If DNS server functionality is operational and reachable by the nslookup service on the controller, the FQDN
for each controller is also shown. If nslookup output is not available, the domain name will show '-'.
Minimum role monitor
Syntax
show dns-management-hostname
Output
Controller
The controller ID: A or B.
188 Alphabetical list of commands