Digital Equipment EK-SFXXS-SG-003, Руководство по обслуживанию

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6–4 SF7x Storage Enclosure FRU Replacement
6.1 Warm Swap of Disk ISE
CAUTION
Only qualified service personnel should perform the following
procedures. Before proceding, make sure that the system
manager has backed up all files on the disk ISE.
This section covers removing and replacing the disk ISE from the storage
enclosure, and removing and replacing the disk ISE FRUs. The FRUs for
the RF72 disk ISE are the HDA (PN 70–25972–01) and the drive module
(PN 54–19010–01). The FRUs for the RF73 disk ISE are the HDA (PN
70–19119–01) and the drive module (PN 54–28814–01).
WARNING
Remember that you are performing the following procedures
while the system or systems are up and running, and the rest of
the disk ISEs in that storage enclosure are on-line.
The following procedures describe how to:
• Obtain current disk ISE parameters, (Section 6.1.1)
• Remove and replace the disk ISE from the storage enclosure and how
to remove and replace a disk ISE FRU, (Section 6.1.2)
• Restore the disk ISE to service and test the disk ISE (after repair),
(Section 6.1.3)
CAUTION
Never disconnect any 42-inch DSSI interconnect cables (PN
BC21Q–3F) between storage enclosures and magazine tapes.
Never disconnect any 70-inch DSSI interconnect cables (PN
BC21Q–3F) between the array I/O panel and storage enclosures or
magazine tapes.
Never disconnect any 108-inch DSSI interconnect cables (PN
BC21Q–09) between the storage array and any system I/O panels.
Never remove a DSSI terminator while power is applied.