ONTAP 9.12.1 commands

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  • ONTAP 9.12.1 commands(CA08871-263en.pdf)
  • statistics disk show

    Disk throughput and latency metrics

    Availability: This command is available to cluster administrators at the advanced privilege level.

    Description

    This command continuously displays performance data for disks at a regular interval. The command output displays data in the following columns:

    • Disk - disk name.

    • Node - node name.

    • Busy (%) - percentage of time there was at least one outstanding request to the disk.

    • Total Ops - total operations per second.

    • Read Ops - read operations per second.

    • Write Ops - write operations per second.

    Parameters

    [-disk <text>] - Disk

    Selects the disk for which you want to display performance data.

    [-node {<nodename>|local}] - Node

    Selects the node for which you want to display performance data.

    [-sort-key <text>] - Column to Sort By

    If this parameter is specified, the command displays statistics sorted by the specified column.

    -interval <integer> - Interval

    Specifies, in seconds, the interval between statistics updates. The default setting is 5 seconds.

    -iterations <integer> - Iterations

    Specifies the number of iterations the command runs before terminating. The default setting is 1. If the number is 0 (zero), the command continues to run until you interrupt it by pressing Ctrl-C.

    -max <integer> - Maximum Number of Instances

    Specifies the maximum number of disks to display. The default setting is 25.

    Examples

    The following example displays disk statistics:

    cluster1::> statistics disk show
    cluster1 : 12/31/1969 16:00:04
    
                       Busy *Total Read Write
     Disk         Node  (%)    Ops  Ops   Ops
     -------- -------- ---- ------ ---- -----
     VMw-1.31    node2    0      2    2     0
     VMw-1.30    node2    0      3    0     3
     VMw-1.3     node1    0      0    0     0
     VMw-1.29    node2    0      1    0     1
    
    [...]
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