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Chapter 4
4.4 Working with Spares
4.4.1 About Sparing Options
The DNS-3200 Series RAID controller supports three sparing options:
•
Distributed
A patent-pending sparing option comprised of reserved
space on each disk in an array
•
Dedicated
A spare disk assigned to a specific, redundant array
•
Global
A spare disk that is shared by multiple arrays
Spares are restored in the following order:
• Dedicated
• Distributed
• Global
Note:
When a task is in progress and the system is
shut down, the RAID driver may hang under cer-
tain circumstances. This may occur if arrays exist
and a task is in progress, but a drive letter has
not been assigned AND an OS partition has not
been created on the array. Because neither a
drive letter nor partition has been assigned, the
OS doesn’t notify the RAID driver that the system
is shutting down. If this condition occurs, the sys-
tem can be reset, the OS will start, and the RAID
process will also restart.
Содержание DNS-3200
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Страница 39: ...21 Chapter2 8 Secure the DNS Series in the rack by tightening the screws on the front sides as shown below ...
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