User manual

Table Of Contents
SuperTrak EX Series User Manual
178
Managing Spare Drives
When a physical drive in a disk array fails and a spare drive of the same type and
adequate capacity is available, the disk array will begin to rebuild automatically
using the spare drive.
See “Hot Spare Drive” on page 248 and “Rebuilding a Disk Array Automatically”
on page 270.
Spare drive management includes the following functions:
Viewing a List of Spare Drives (page 178)
Creating a Spare Drive (page 179)
Deleting Spare Drive (page 180)
Making Spare Drive Settings (page 180)
Running Spare Check (page 181)
Viewing a List of Spare Drives
To view a list of spare drives:
1. Click the Subsystem icon in Tree View.
2. Click the Spare Drives icon.
The information includes:
ID – The unique ID number assigned to the spare drive.
Operational Status – OK is normal. Can also show Rebuilding, Transition
Running, PDM Running, or Offline.
Physical Drive ID – The ID number of the physical drive assigned as a
spare
Capacity – The data storage capacity of this spare drive.
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. See “Transition” on page 256 for more information.
Type – Global, can be used by any disk array. Dedicated, can only be used
by the assigned disk arrays.
Dedicated to Disk Arrays – For dedicated spares, the disk arrays to which
they are assigned. Global spares show N/A.