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Listing the NSDs shows that some of themhave only one path available. One of the two servers of a building block does not see the Volume:
[root@justnsd01a ~]# mmlsnsd -f cesSharedRoot -X
Disk name NSD volume ID Device Devtype Node name Remarks
---------------------------------------------------------------------------------------------------
justnsd01_cesSharedRoot_1 0A0A09795BF2CBB0 /dev/dm-29 dmm justnsd01bd4 server node
justnsd01_cesSharedRoot_1 0A0A09795BF2CBB0 - - justnsd01ad4 (not found) server node
justnsd01_cesSharedRoot_2 0A0A09795BF2CBB3 /dev/dm-198 dmm justnsd01bd4 server node
justnsd01_cesSharedRoot_2 0A0A09795BF2CBB3 - - justnsd01ad4 (not found) server node
The mmhealth command does not see this:
[root@justnsd01a ~]# mmhealth node show
Node name: justnsd01ad4
Node status: HEALTHY
Status Change: 59 min. ago
Component Status Status Change Reasons
-------------------------------------------------------------
GPFS HEALTHY 59 min. ago -
NETWORK HEALTHY 1 day ago -
FILESYSTEM HEALTHY 59 min. ago -
DISK HEALTHY 8 min. ago -
The reason was that after an upgrade the multipath configuration was not working properly.
Idea priority | Medium |
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Due to processing by IBM, this request was reassigned to have the following updated attributes:
Brand - Servers and Systems Software
Product family - IBM Spectrum Scale
Product - Spectrum Scale (formerly known as GPFS) - Public RFEs
Component - Product functionality
For recording keeping, the previous attributes were:
Brand - Servers and Systems Software
Product family - IBM Spectrum Scale
Product - Spectrum Scale (formerly known as GPFS) - Public RFEs
Component - V4 Product functionality