Copyright © 2019, 2021, Hitachi, Ltd.
DKC910IHitachi Proprietary
[INST(RM)04-01-10]
Rev.2
INST(RM)04-01-10
4. Removing Drive Boxes
Do this work after confirming the notices shown below.
NOTICE: Check that no Drives are installed in Drive Boxes to be installed. If Drives are
installed, see “3. Removing Drives” and remove them.
4.1 Estimated Work Time
The estimated working hours for removing Drive Boxes are the total of the following A, B, C, and D.
Table 4-1 Estimated Working Hours for Removing Drive Boxes
Removal type Process Estimated work time Remarks
A
Chassis Chassis removal time SBX/UBX/FBX/NBX: 60 min
B
Micro-program processing
time (path)
20 sec × (number of existing chassis + number of
chassis to be removed)
(*1)
C
HDD HDD removal time 1 min / 1 HDD
D
Micro-program processing
time (HDD) (*2)
• In case of SBX, UBX, FBX:
30 seconds/Drive Box
• In case of NBX
20 seconds/Drive Box
*1: The number of paths of each model is as shown below.
DKC: Four paths or eight paths (when one Disk Board option (eight paths) is used.)
*2: The micro-program processing time (HDD) is the time taken for Step 1 and Step 2 in “3.3
Checking the Drive Removal by Maintenance Utility”
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