Activity List – Delete LUN and create new LUN
for KLRCDB01 and KLRCDB02
Document Information
Project Name
Operation and Maintenance of the Network Management System (NMS)
Project Manager
Che Zuki Mat
Project Phase
Operational Support
Document Version No
1.2
Quality Review
Peer Review
Document Version Date
08/05/2020
Investigated By
Indera Syahrizal
Preparation Date
08/05/2020
Reviewed By
Ahmad Alias
Review Date
08/05/2020
Method
1. Activity Details
Activity No
Activity Description
MERS999/CR/SW/20/001
Annexes or Ticket
Reference
ITD Reference No:
MERS999/CR/SW/20/001
To delete a LUN and release the storage space, create 3 unit x LUN and assign to
KLRCDB01 and KLRCDB02
Impact
Low
Proposed Activity
18/5/2020
Date/Time
0900 AM
Estimated
Completion Time
18/5/2020
1600PM (7 hours)
2. Objectives
This document contains the details on the activities involved for the below server:
Hostname
KLRCDB01 and KLRCDB02
IP Address
10.1.4.76 & 10.1.4.81
Serial Number
SGH48199JV & SGH48199JT
Operating System
Red Hat Enterprise Linux AS 4 IA64
Patch
Not applicable
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Activity List – Delete LUN and create new LUN
for KLRCDB01 and KLRCDB02
3. Activity Date, Time & Venue
Description
Details
Propose Date Activity
18/5/2020
Propose Time
9:00 AM
Estimated Completion Time
7 hours
Venue
CBJ8, Cyberjaya
4. Pre-requisites
Log capture was require from KLRCDB01 and KLRCDB02, gather the info (WWN or UUID) for the LUN
that need to remove from the OS (un-mount mount point, delete logical volume and volume group)
5. Impact on System Availability
As long the LUN that need to be remove/delete is not part of the production, remove the LUN from the
OS will not impact to the production. New LUN that assigned to the server also will not cause any issue
to the system.
6. Detail Activity Checklist
Listed in the table below is the detailed activity checklist:
Start Time
Activity
LUN validation for the OS:
-
Responsibility
Remark
ITD
15 min
TM
1 hour
ITD
15 min
Check the LUN status and current
configuration
Data Backup before remove the LUN:
-
Backup the data to tape
Remove LUN from the OS:
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Activity List – Delete LUN and create new LUN
for KLRCDB01 and KLRCDB02
Start Time
Activity
-
Un-mount the mount point if mounted
-
Destroy the logical volume/volume
Responsibility
Remark
manager if the LUN configured as LVM
-
Or deactivate the volume group and
export out the volume group
Un-assign the LUN from the EVA storage
-
ITD
15 min
ITD
15 min
ITD
20 min
Un-assign the LUN from the OS via the
EVA command view
-
Delete the LUN (2TB)
Create 3-unit x 100GB LUN from EVA storage
-
Create 3-unit LUN (ASM 12, ASM 13,
ASM 14)
-
Assign the LUN to KLRCDB01 and
KLRCDB02
Scan the new LUN in the OS:
-
Perform the LUN scanning in the OS
-
Validate that the 3 new added LUN were
detected by KLRCDB01 and KLRCDB02
7. Fallback Plan
Start Time
Activity
The 2TB LUN use by other application:
-
Responsibility
Remark
ITD
Activity needs to be cancelled because
the LUN was use by other application
New created 3 unit x 100GB LUN does not
ITD
detect by the OS
-
Un-assign the new added LUN from the
server
-
Delete the new LUN
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Activity List – Delete LUN and create new LUN
for KLRCDB01 and KLRCDB02
Start Time
Activity
-
Responsibility
Remark
Perform log capture and perform log
analysis on the issue
8. Personnel
Personnel involved are:
No
Name
Company
1.
Zahrul Azlan bin absl Kamarul Adzhar
ITD
2.
Ong Kien Hui
ITD
3.
Ahmad bin Alias
ITD
4.
Che Zuki Mat
TM
5.
Hafiz Tooha
TM
Prepared by
Verified by
Appr
_______________________
_________________________
Indera Syahrizal Ismail
Ahmad bin Alias
Application Engineer
Technical Manager
____
ITDistribution Sdn Bhd
ITDistribution Sdn Bhd
PnN
Date :
Date :
TS H
MER
Date
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