Digital Equipment StorageWorks UltraSCSI DS-BA370 Series, User Manual

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Assembling an UltraSCSI RAID Enclosure
B–4 UltraSCSI RAID Enclosure
Installing the EMU
Each UltraSCSI enclosure requires an EMU for proper operation. In an
expansion configuration you must also connect the EMU—EMU
communications ports between the master EMU and all the expansion
EMUs. Complete the following procedure to install an EMU.
There are two steps to installing an EMU:
1. Install the EMU in each enclosure (see Table 3–9).
2. When there are multiple EMUs, install the EMU-EMU bus cables listed
in Table 3–10.
Installing the PVA
Each UltraSCSI enclosure requires a PVA for proper operation.
Complete the procedure in Table 4–7 to install a PVA in each enclosure:
Installing the Disk Drives
Install the SBBs sequentially in the UltraSCSI enclosure using the
procedure in Table 7–3.
1. Install six SBBs in shelf 1, starting with SCSI bus 1
(devices 0 through 6).
2. Install six SBBs in shelf 2, starting with SCSI bus 1
(devices 7 through 12).
3. Install six SBBs in shelf 3, starting with SCSI bus 1
(devices 13 through 18).
4. Install six SBBs in shelf 4, starting with SCSI bus 1
(devices 19 through 24).