eG Monitoring
 

Measures reported by IbmStorwizeDriveStsTest

A drive that is offline or degraded will be inaccessible to I/O requests, until brought online or the source of the degradation is determined and removed. Using the IbmStorwizeDriveStsTest test, administrators can locate such drives instantly and have the problem fixed before end-users notice.

The measures made by this test are as follows:

Measurement Description Measurement Unit Interpretation
status Indicates the current status of this drive.   This measure reports the status of this drive as follows:

  • offline
  • online
  • degraded

    • The numeric values that correspond to the above-mentioned states are as follows:

    State Numeric Value
    offline 0
    online 1
    degraded 2

    Note:

    By default, this measure reports the above-mentioned States while indicating the status of this drive. However, the graph of this measure will be represented using the corresponding numeric equivalents of the States as mentioned in the table above.

    The detailed diagnosis of this measure if enabled, lists the CURRENT ROLE of this drive, the ENCLOSURE ID and SLOT ID to which this drive is associated, the MEMBER ID of this drive, the MDISK NAME, ERROR SEQ NO and the DRIVE TECHNOLOGY USED.
    capacity Indicates the current capacity of this drive excluding quorum area. TB A quorum disk is a managed disk (MDisk) that contains a reserved area for use exclusively by the system. In the IBM Storwize V7000, internal drives can be considered as quorum candidates. The clustered system uses quorum disks to break a tie when exactly half the nodes in the system remain after a SAN failure.