View host I/O limits

Storage hosts are systems that use storage system LUN resources. A logical unit number (LUN) is an identifier that is used for labeling and designating subsystems of physical or virtual storage.

About this task

Steps

  1. Select the storage system.
  2. Select Hosts > Port Groups.
  3. Select the port group and click .
  4. Click the link in the Host I/O (IO/Sec) or Host I/O (MB/Sec) fields.

    The following properties display:

    Storage Group—Storage group on which the limit is set.

    Quota State—Whether the limit is set directly on the storage group (Defined) or through a cascaded relationship (Shared).

    Dir:Port—Storage system director and port in the port group.

    Host I/O Limit (MB/Sec)—Total host I/O limit on the listed port in MB/Sec. This value is the I/O limit of the associated port group that is divided across its ports.

    Host I/O Limit (IO/Sec)—Total host I/O limit on the listed port in I/O/Sec. This value is the I/O limit of the associated port group that is divided across its ports.

    Child Host I/O Limit (MB/Sec)—Total child host I/O limit on the listed port in MB/Sec. This value is the I/O limit of the associated port group that is divided across its ports.

    Child Host I/O Limit (IO/Sec)—Total child host I/O limit on the listed port in I/O/Sec. This value is the I/O limit of the associated port group that is divided across its ports.