3Ware 3W-6800 User Guide - Page 44

Specifying a hot spare, Changing an existing configuration, Modifying a disk array, Available Drives.

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3ware Escalade Storage Switch User Guide Specifying a hot spare The Escalade Storage Switch gives you the option to specify a hot spare from one of your Available Drives. If a hot spare is specified and the mirror degrades, an event notification will be generated. The hot spare will dynamically replace the failed drive in a mirrored array without user intervention. Select a hot spare by navigating to an Available Drive. The Toggle Hot Spare verbiage at the bottom of the screen will be black if the drive can be used as a hot spare. Enter s to select the hot spare or to disable the hot spare if it is already enabled. Note: Hot spare drives need to have the same or larger storage capacity than the RAID 1, RAID 5 or RAID 10 drives. Changing an existing configuration 1 Back up any disk arrays that contain data that you want to retain before the configuration change. 2 Create new disk arrays following the instructions in the Deter- mining your configuration, Creating a disk array and Deleting a disk array sections. You may need to delete existing arrays to free up disks first. 3 Boot, partition and format any new disk arrays or free disks. 4 When you are finished configuring, restore from backup any data saved from previous disk arrays Modifying a disk array To modify an existing array you must first delete it then recreate it with the new drives. As with all disk array operations, there is no way to modify an existing array without overwriting data on the drives involved. 34 www.3ware.com

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3ware Escalade Storage Switch
User Guide
34
www.3ware.com
Specifying a hot spare
The Escalade Storage Switch gives you the option to specify a hot
spare from one of your
Available Drives.
If a hot spare is specified
and the mirror degrades, an event notification will be generated.
The hot spare will dynamically replace the failed drive in a mir-
rored array without user intervention. Select a hot spare by navigat-
ing to an
Available Drive.
The
Toggle Hot Spare
verbiage at the
bottom of the screen will be black if the drive can be used as a hot
spare. Enter
s
to select the hot spare or to disable the hot spare if it
is already enabled.
Note:
Hot spare drives need to have the same or larger
storage capacity than the RAID 1, RAID 5 or RAID 10
drives.
Changing an existing configuration
1
Back up any disk arrays that contain data that you want to retain
before the configuration change.
2
Create new disk arrays following the instructions in the
Deter-
mining your configuration, Creating a disk array and Delet-
ing a disk array
sections. You may need to delete existing
arrays to free up disks first.
3
Boot, partition and format any new disk arrays or free disks.
4
When you are finished configuring, restore from backup any
data saved from previous disk arrays
Modifying a disk array
To modify an existing array you must first delete it then recreate it
with the new drives. As with all disk array operations, there is no
way to modify an existing array without overwriting data on the
drives involved.