Chapter 4: Management with WebPAM PROe
Spare Drive
Spare Drive Information
When a physical drive in a disk array fails and a spare drive of adequate capacity is available, the disk array will begin to rebuild automatically using the spare drive. See “Critical & Offline Disk Arrays” on page 286.
The Spare
•Spare ID – Consecutive number assigned when the spare drive was created.
•Physical Drive ID – The ID number of this physical drive.
•Spare Type – Global, can be used by any disk array. Dedicated, can only be used by the assigned disk array.
•Revertible – Yes or No. A revertible spare drive automatically returns to its spare drive assignment after the failed physical drive in the disk array is replaced.
•Spare Check Status – The result of the Spare Check function. Healthy or Not Checked.
•Physical Capacity – Theoretical capacity of the drive in GB.
•Configurable Capacity – Capacity of the drive in GB actually available for use.
•Block Size – Sector size in bytes.
•Drive Type – SATA or PATA.
•Model – Drive Manufacturer's model name and/or number.
•Location – The enclosure and slot number where the spare drive is physically installed.
•Configuration Status – Type of spare drive: Global, Revertible Global, Dedicated, Revertible Dedicated.
•Operational Status – OK is normal. Can also show Rebuilding or Offline.
•Serial Number – From the drive manufacturer.
•Firmware Version – From the drive manufacturer.
Locate a Spare Drive
To locate a spare drive in the VTrak subsystem enclosure:
1.Click the Subsystem 
icon in Tree View.
2.Click on the Spare Drives 
icon.
3.Click on the Spare Drive 
icon.
4.In Management View, click on the spare drive in the graphic.
153
