Hp ProLiant ML115 Server Manual de usuario Pagina 48

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44 MediaShield User’s Guide – Version 1.0
C
HAPTER 4
Installing and Using the NVIDIA MediaShield Application
Specific Migrating Requirements
ThefollowingtableliststhediskrequirementsforanewRAIDarrayforvarious
migratingcombinations.
Table 4.1
RAID Array Disk Requirements for Migrating
From To New Array Disk Requirements
i
i. m = quantity of disks in the new array. n = quantity of disks in the original array.
RAID 0 RAID 0
m > n
Number of disks in the new array must be greater than the original array.
RAID 1
m=2, n=1
RAID 1 array must include two disks, converted from a one disk RAID 0
array.
RAID 0+1
m >= 2 x n
Number of RAID 0+1 disks must be equal to or greater than twice the
number of RAID 0 disks.
RAID 5
m >= n + 1
RAID 1 RAID 0
No additional restrictions.
RAID 1
** Not a valid combination **
RAID 0+1
No additional restrictions.
RAID 5
m >= 3
RAID
0+1
RAID 0
m >= n
Number of RAID 0 disks must be equal to or greater than the number of
RAID 0+1 disks.
RAID 1
** Not a valid combination **
RAID 0+1
m >= n + 2; where m must be an even number of disks.
The new array must include at least two more disks than the original
array, and can include any even number of disks beyond that.
RAID 5
m >= n
RAID 5 RAID 0
m >= n
RAID 1
** Not a valid combination **
RAID 0+1
m >= 2 x (n - 1); where m is an even number of disks.
RAID 5
m > n
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