ONTAP 9.12.1 commands

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  • ONTAP 9.12.1 commands(CA08871-263en.pdf)
  • storage path quiesce

    Quiesce I/O on a path to array

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

    Description

    The storage path quiesce command quiesces I/O on one path to a LUN. It also quiesces the given entire path immediately or can monitor the given path for error threshold before quiesce. After the I/O has been quiesced, no new I/O is sent on the path unless the storage path resume command is issued to continue I/O.

    Parameters

    -node {<nodename>|local} - Node name

    The name of the clustered node for which information is being displayed.

    -initiator <initiator name> - Initiator Port

    Initiator port that the clustered node uses.

    -target-wwpn <wwpn name> - Target Port

    Target World Wide Port Name. Port on the storage array that is being used.

    { [-lun-number <integer>] - LUN Number

    Logical Unit number. The range is: [0…​65535]. If this parameter is not specified, Data ONTAP resumes the entire path to an array.

    | [-path-failure-threshold <integer>] - Max Number of Path Failures Acceptable During wait-duration

    The path failure count, exceeding this value within wait duration will quiesce the path.

    [-wait-duration <integer>] - Wait Duration in minutes }

    The time duration(minutes) in which path is monitored for path failures.

    Examples

    The following example suspends I/O between node vbv3170f1b, port 0a and the array port 50001fe1500a8669, LUN 1.

    node::> storage path quiesce -node vbv3170f1b -initiator 0a -target-wwpn 50001fe1500a8669 -lun-number 1

    The following example suspends I/O immediately between node vbv3170f1b, port 0a and the array port 50001fe1500a8669.

    node::> storage path quiesce -node vbv3170f1b -initiator 0a -target-wwpn 50001fe1500a8669

    The following example suspends I/O between node vbv3170f1b, port 0a and the array port 50001fe1500a8669 after reaching 10 or more errors in duration of 5 mins.

    node::> storage path quiesce -node vbv3170f1b -initiator 0a -target-wwpn 50001fe1500a8669 -path-failure-threshold 10 -wait-duration 5
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