
tunepd
DESCRIPTION
The tunepd command identifies physical disks with high service times and optionally executes
load balancing.
SYNTAX
The syntax for the tunepd command can be one of the following:
• tunepd [options <arg>] maxsvct <msecs>|highest
• tunepd [options <arg>] avgsvct <msecs>|highest
AUTHORITY
Super, Edit
Any role granted the pd_tune right
NOTE: You need access to all domains in order to run this command.
OPTIONS
NOTE: If the -nodes , -slots , -ports , or -vv options are not specified, all physical
disks are included.
–nodes <node_list>
Specifies that the display is limited to specified nodes and physical disks connected to those nodes.
The node list is specified as a series of integers separated by commas (1,2,3). The node list can
also consist of a single integer (1). If the node list is not specified, all disks on all nodes are
displayed.
–slots <slot_list>
Specifies that the display is limited to specified PCI slots and physical disks connected to those PCI
slots. The slot list is specified as a series of integers separated by commas (1,2,3). A list can also
consist of a single integer (1). If the slot list is not specified, all disks on all slots are displayed.
–ports <port_list>
Specifies that the display is limited to specified port slots and physical disks connected to those
port slots. The port list is specified as a series of integers separated by commas (1,2,3). A list
can also consist of a single integer (1). If the port list is not specified, all disks on all ports are
displayed.
–vv <VV_name>
Specifies that the physical disks used by the indicated virtual volume name are included for statistic
sampling.
–d <seconds>
Specifies the interval, in seconds, that statistics are sampled using an integer from 1 through
2147483. If no interval is specified, the option defaults to 30 seconds.
–iter <number>
Specifies that I/O statistics are sampled a specified number of times as indicated by the number
argument using an integer greater than 0. If 0 is specified, I/O statistics are looped indefinitely.
If this option is not specified, the command defaults to 1 iteration.
–freq <minutes>
tunepd 647
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