9.7.3.9 DESCRIBE PHYSICALDISK

Purpose

The DESCRIBE PHYSICALDISK command displays a list of attributes for the PHYSICALDISK object type.

Syntax

DESCRIBE PHYSICALDISK

Usage Notes

The following table lists the attributes for the DESCRIBE PHYSICALDISK command.

Table 9-10 DESCRIBE PHYSICALDISK Attributes

Attribute Description

ctrlHwVersion

Controller version. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

diskType

Type of the disk, whether it is a HARDDISK or a FLASHDISK.

enclosureDeviceId

Identifier for the hard disk enclosure. This attribute is only applicable to Oracle Exadata System Software on Oracle Exadata Storage Server.

errCmdTimeoutCount

Count of the number of command timeout SCSI errors on the disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

errHardReadCount

Count of the number of hard read errors on the disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

errHardWriteCount

Count of the number of hard write errors on the disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

errMediaCount

Count of the number of media errors on the hard disk. This attribute is only applicable to Oracle Exadata System Software on Oracle Exadata Storage Server.

errOtherCount

Count of unclassified errors on the hard disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

errSeekCount

Count of the number of SCSI seek errors on the disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

hotPlugCount

Count of the times the disk has been inserted into the rack. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

lastFailureReason

Type of the most-recent error on the disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

luns

List of LUNs converted from this disk.

makeModel

Model description provided by the system.

name

Unique name of the physical disk.

physicalFirmware

System-assigned name of the firmware for the disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

physicalInsertTime

Time that the disk was inserted.

physicalInterface

Interface type used by the hard disk. For example, SAS

physicalPort

Port on the controller for this disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

physicalRPM

Disk revolutions per minute. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

physicalSerial

System-assigned unique ID.

physicalSize

Size of the disk in bytes.

physicalUseType

Intended use of the disk. For example, Data Drive.

sectorRemapCount

Count of all sector remap operations for the physical disk. This attribute is only applicable to Oracle Exadata System Software on HP Oracle Database Machine.

slotNumber

Physical location of disk.

status

Status of the physical disk. Values can be as follows:

  • failed: disk has failed. In earlier releases, this status was called critical.

  • normal: disk is functioning normally

  • not present: disk has been removed

  • peer failure: flash disk failure only

  • poor performance: disk is performing poorly

  • predictive failure: disk is expected to fail

  • write-through caching: flash disk caching only.

Example 9-45 Describing the PHYSICALDISK Object on a Hard Drive in a Database Server

This example shows the DESCRIBE command with the PHYSICALDISK object on Oracle Exadata Storage Server.

DBMCLI> DESCRIBE PHYSICALDISK

         name
         ctrlFirmware
         diskType
         enclosureDeviceId
         errMediaCount
         errOtherCount
         luns
         makeModel
         physicalFirmware
         physicalInsertTime
         physicalInterface
         physicalSerial
         physicalSize
         slotNumber
         status