ONTAP 9.12.1 commands

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  • ONTAP 9.12.1 commands(CA08871-263en.pdf)
  • system node coredump segment show

    Display a list of core segments

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

    Description

    This command displays the following information about core segments:

    • name of the core segment directory

    • time of the panic that generated the core segment

    • total number of core segment files

    • core segment file name

    Parameters

    { [-fields <fieldname>,…​]

    If you specify the -fields <fieldname>, …​ parameter, the command output also includes the specified field or fields. You can use '-fields ?' to display the fields to specify.

    | [-instance ] }

    Displays the following details:

    • Core segment file name

    • Node that owns the core segment file

    • System ID of the node that generated the core

    • MD5 checksum of the compressed data of the core segment file

    • Name of the core segment

    • Total number of core segments for the core file

    • Timestamp of the panic that triggered the core segment

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

    Selects information about the core segments on the specified node.

    [-segment <text>] - Core Segment

    Selects information about the specified core segment. If segment is a directory, the command displays the information for the first core segment file. If segment is a file, the command displays the file information.

    [-owner-node <text>] - Node That Owns the Core Segment File

    Selects information about the core segments owned by the specified node. This parameter should only be used in takeover mode to display information about the partner’s core segments.

    [-panic-system-id <integer>] - System ID of Node That Generated Core

    Selects information about the core segments that were generated when the node with the specified system ID panicked.

    [-md5-data-chksum <text>] - Md5 Checksum of the Compressed Data of the Core Segment

    Selects information about the core segments whose data segment’s MD5 checksum matches the specified checksum.

    [-segment-name <text>] - Name of the Core Segment

    Selects information about the core segments with the specified name.

    [-total-segment-count <integer>] - Number of Segments Generated

    Selects information about the core segments with the specified name.

    [-panic-time <MM/DD/YYYY HH:MM:SS>] - Time of Panic That Generated Core

    Selects information about the core segments that were generated by a panic at the specified time.

    [-size <text>] - Size of Core Segment (bytes)

    Selects information about the core segments that are of the specified size.

    [-panic-string <text>] - Panic String of Panic That Generated Core

    Selects information about the core segments that match the specified panic string.

    Examples

    The example below displays the core segments on node1 .

    cluster1::> system node coredump segment show -node node1
    Node: node1
    Segment Directory: core.118049106.2012-01-05.17_11_11
                     Panic Time: 1/5/2012 12:11:11
             Number of Segments: 2
              Segment File Name:
                                 core.118049106.2012-01-05.17_11_11.nvram.nz
                                 core.118049106.2012-01-05.17_11_11.ontap.nz
    2 entries were displayed.

    The example below displays detailed information a specific core segment file on node1 .

    cluster1::> system node coredump segment show -node node1 -segment core.118049106.2012-01-05.17_11_11.ontap.nz  -instance
    Node: node1
                                          Core Segment: core.118049106.2012-01-05.17_11_11.ontap.nz
                  Node That Owns the Core Segment File: node1
                 System ID of Node That Generated Core: 118049106
    Md5 Checksum of the Compressed Data of the Core Segment: 1a936d805dcd4fd5f1180fa6464fdee4
                              Name of the Core Segment: ontap
                          Number of Segments Generated: 2
                     Time of Panic That Generated Core: 1/5/2012 12:11:11
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