HP 3PAR OS 3.1.3 Command Line Interface Reference

checkpd
DESCRIPTION
The checkpd command executes surface scans or diagnostics on physical disks.
SYNTAX
checkpd scrub|diag [options <arg>] <pd_ID>...
AUTHORITY
• Super, Service
• Any role granted the pd_check right.
NOTE: You need access to all domains in order to run this command.
OPTIONS
The following options can only be used with the scrub specifier:
-ch <number>
To scan a specific chunklet rather than the entire disk.
-count <number>
To scan a number of chunklets starting from -ch.
The following options can only be used with the diag specifier:
-path <p>
Specifies a physical disk path as a, b, both, or system.
-test <type>
Specifies read, write, or verify test diagnostics. If no type is specified, the default is read.
-iosize <size>
Specifies I/O size, valid ranges are from 1s to 1m. If no size is specified, the default is 128k.
-threads <num>
Specifies of I/O threads, valid ranges are from 1 to 4. If the number of threads is not specified,
the default is 1.
-time <secs>
Indicates the number of seconds to run, from 1 to 36000.
-total <size>
Indicates total bytes to transfer per disk. If a size is not specified, the default size is 1g.
-retry <number>
Specifies the total number of retries on an I/O error. If the number of retries is not specified, the
default is 4.
-range <size>
Limits diagnostic regions to a specified size, from 2m to 2g.
SPECIFIERS
scrub
Scans one or more chunklets for media defects.
diag
64 Check Commands