ONTAP 9.12.1 commands

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

    LUN throughput and latency metrics

    Availability: This command is available to cluster and Vserver administrators at the admin privilege level.

    Description

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

    • Lun - LUN name.

    • Vserver - vserver name.

    • Total Ops - total number of operations per second.

    • Read Ops - read operations per second.

    • Write Ops - write operations per second.

    • Other Ops - other operations per second.

    • Read (Bps) - read throughput in bytes per second.

    • Write (Bps) - write throughput in bytes per second.

    • Latency(us) - average latency for an operation in microseconds.

    Parameters

    [-lun <text>] - Lun

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

    [-vserver <vserver name>] - Vserver

    Selects the vserver 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 LUNs to display. The default setting is 25.

    Examples

    The following example displays LUN statistics:

    cluster1::> statistics lun show
    cluster1 : 12/31/2013 16:00:04
    *Total Read Write Other   Read Write Latency
      Lun Vserver     Ops  Ops   Ops   Ops  (Bps) (Bps)    (us)
     ---- ------- ------ ---- ----- ----- ------ ----- -------
     lun1     vs1     58   13    15    29 310585  3014      39
     lun0     vs2     56    0    11    45   8192 28826      47
    [...]
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