Impediment RS-1600-X24 User Manual page 145

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The number of drives you can add to an array depends upon the RAID level as shown in
also cannot exceed the maximum number of drives for each RAID level. See
page
105.
Table 3–2
Drive additions by RAID level
RAID level
RAID 0
RAID 1 (Mirrored)
Volume Set
RAID 10
RAID 3, 4, or 5
RAID 50
If you are expanding a multiple-partition array, you add free space at the end of the array. For more
information about partitions, see
Note
Once you start expanding array capacity, you cannot stop it. The expand function may take an hour or
more to complete, depending on the array type, array size, drive speed, and other processes running on
the X24 Subsystem.
To expand an array:
1
From the System Menu, select Array Menu and press Enter.
The Select Array screen displays with a list of existing arrays.
2
Select the array you want and press Enter.
The array menu displays.
3
Select Expand Function and press Enter
.The expand menu displays.
4
Select Start Expand and press Enter
The Number of Drives screen displays.
Number of drives you can add
1 to 4 at a time up to the maximum
Cannot expand
Cannot expand
2 or 4 at a time up to the maximum
1 to 4 at a time up to the maximum
You can expand the array, one RAID 5 array at a time up to the
maximum number of drives. All RAID 5 arrays must contain the
same number of drives.
C.3.1, "Understanding Partitions", on page
Managing Arrays & Partitions
Table
3–2. You
C.1, "Creating Arrays", on
Maximum
number of drives
16
N/A
N/A
16
16
32
133.
127

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