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# A Error Messages for Oracle Big Data Appliance

This appendix describes the hardware messages for Oracle Big Data Appliance.

The following messages are Auto Service Request (ASR) alerts. ASR automatically submits a service request to Oracle Support Services in response to these alerts.

Information is also written to the system logs.

DISKALRT-02001 System OS hard disk failure

  Cause: A physical disk that is hosting the operating system failed or an operating system RAID volume has lost redundancy. HDFS might also raise an alert.

  Action: Replace the physical disk as soon as possible. Follow the instructions in Replacing a Server Disk for configuring an operating system disk.

DISKALRT-02002 System OS hard disk predictive failure

  Cause: A physical disk that is hosting the operating system is in a state of predictive failure.

  Action: Replace the physical disk as soon as possible. Follow the instructions in Replacing a Server Disk for configuring an operating system disk.

DISKALRT-02003 System OS hard disk poor performance

  Cause: A physical disk that is hosting the operating system is performing poorly, which indicates that it is failing.

  Action: Plan to replace the disk. If multiple disk disks in a server are identified as poor performers, then check for problems with the cable connections, the controllers, and the disk backplane before replacing the disks. To replace a disk, follow the instructions in Replacing a Server Disk for configuring an operating system disk.

DISKALRT-02004 Data hard disk failure

  Cause: A physical disk that is not hosting the operating system failed.

  Action: Replace the physical disk as soon as possible. Follow the instructions in Replacing a Server Disk for configuring a disk for either HDFS or Oracle NoSQL Database.

DISKALRT-02005 Data hard disk predictive failure

  Cause: A physical disk that is not hosting the operating system is in a state of predictive failure.

  Action: Replace the physical disk as soon as possible. Follow the instructions in Replacing a Server Disk for configuring a disk for either HDFS or Oracle NoSQL Database.

DISKALRT-02006 Data hard disk poor performance

  Cause: A physical disk that is not hosting the operating system is performing poorly, which indicates that it is failing.

  Action: Replace the physical disk as soon as possible. Follow the instructions in Replacing a Server Disk for configuring a disk for either HDFS or Oracle NoSQL Database.

DISKALRT-02007 Solid-state drive disk failure

  Cause: A solid-state drive failed.

  Action: Replace the drive as soon as possible.

DISKALRT-02008 Solid-state disk predictive failure

  Cause: A solid-state drive is in a state of predictive failure.

  Action: Replace the drive as soon as possible.

DISKALRT-02009 Solid-state disk poor performance

  Cause: A solid-state drive is performing poorly, which indicates that it is failing.

  Action: Replace the drive as soon as possible.