IBM 61Y 사용자 설명서
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Hardware Maintenance Manual: xSeries 250
Create an array using the two physical drives.
Then, create a logical drive within that array.
The data is striped across the drives, creating blocks. Notice that the data on the drive
on the right is a mirror copy of the drive on the left.
on the right is a mirror copy of the drive on the left.
With RAID level-1, if one of the physical drives fails, the ServeRAID controller
switches read and write requests to the remaining functional drive in the RAID level-
1 array.
switches read and write requests to the remaining functional drive in the RAID level-
1 array.
Understanding RAID Level-1 Enhanced
If you have three or more physical drives in the array, you can no longer select RAID
level-1, but you can select RAID level-1 Enhanced (also called RAID level-1E).
level-1, but you can select RAID level-1 Enhanced (also called RAID level-1E).
RAID level-1E combines mirroring with data striping. This RAID level stripes data
and copies of the data across all of the drives in the array. As with the standard RAID
and copies of the data across all of the drives in the array. As with the standard RAID
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