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| Drive State | Meaning |
|---|---|
| Defunct | A physical hard disk drive in the Online, Hot-Spare, or Rebuild |
| state has become defunct. It does not respond to commands, which | |
| means that the ServeRAID controller cannot communicate properly | |
| with the drive. | |
| A hard disk drive in the Defunct state does not necessarily mean | |
| that you need to replace the drive. Before you replace the drive, | |
| ensure that: | |
| 1. All cables are connected properly to the server backplane and to | |
| the hard disk drive. Also, check to ensure that all cables inside | |
| the server are connected properly. | |
| 2. The hot-swap drive trays are seated properly in the drive bay. | |
| 3. The termination for each device on the SCSI channel is set properly. | |
| 4. Each device on the SCSI channel has its own, unique SCSI ID. | |
| If the hard disk drive still does not function after you perform | |
| these steps, replace the drive. | |
| Empty | No device is present in the bay. |
| Hot Spare | A Hot-Spare drive is a hard disk drive that is defined for automatic |
| use when a similar drive fails. | |
| Online | The drive is Online. It is functioning properly and is part of an array. |
| Rebuilding | The drive is being rebuilt. |
| For more information on rebuilding a drive, refer to | |
| 'Rebuilding a Defunct Drive'. | |
| Ready | The ServeRAID controller recognizes a Ready drive as being available for |
| definition. | |
| Standby | A Standby drive is a hard disk drive that the ServeRAID controller has |
| spun down. | |
| Standby | A Standby Hot Spare is a Hot-Spare drive that the ServeRAID controller |
| Hot Spare | has spun down. If an Online drive becomes Defunct and no suitable Hot-Spare |
| drive is available, a Standby Hot-Spare drive of the appropriate size | |
| automatically spins up, and enters the Rebuild state. |
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