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RAID level migration from IR to MR mode:
– RAID 1 + RAID 1 → RAID 1 + RAID 1
Two created RAID 1 volumes in the IR (integrated) mode can be imported
to the MR (MegaRAID) mode.
– RAID 0 + RAID 1 → RAID 0 + RAID 1
A striped and mirrored mode created in IR mode can be imported to a
RAID 0 and RAID 1 in MR mode.
– Two hot spare drives can be imported
Working in the IR mode allows the implementing of up to two hot spare
drives, which will also be imported to the MR mode.
Figure 3-17 shows the internal SAS cable with the hot-swap backplane. The
cable is an industry standard MiniSAS 4i cable with SFF-8087 cable and board
connectors from the I/O board to the hot-swap backplane.
Figure 3-17 x3850 M2 and x3950 M2 showing internal SAS cabling
The hot-swap backplane is mounted in the media hood assembly and allows it to
attach up to four internal 2.5-inch SAS hot-swap disks drives. The internal SAS
connector on the I/O board located near the RSA II cable connector, as shown in
Figure 3-18 on page 126.
Chapter 3. Hardware configuration
125
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