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IDProjectCategoryView StatusLast Update
0016200CentOS-7mdadmpublic2019-06-20 09:30
Reporteralexandr.botarev 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
Product Version7.6.1810 
Target VersionFixed in Version 
Summary0016200: Не работает в режиме --bitmap=clustered
Descriptionmdadm-4.1-rc1_2.el7.x86_64 does not work in --bitmap = clustered mode

Linux centos2 5.1.11-1.el7.elrepo.x86_64 # 1 SMP Mon Jun 17 15:51:08 EDT 2019 x86_64 x86_64 x86_64 GNU / Linux

The array is created by
# mdadm --create /dev/md0 --bitmap=clustered --metadata=1.2 --level=mirror --raid-devices=2 /dev/disk/by-id/dm-uuid-mpath-360014055f2cf62b2d9048129f9e706f2 /dev/disk/by-id/dm-uuid-mpath-360014055fd0ffa6449f4e73b66121493

Running mdadm --assemble / dev / md0 on the second node degrades the array. The problem was solved by rolling back to mdadm-4.0-5.el7.x86_64
Additional Information# pcs status
Cluster name: shared_md
Stack: corosync
Current DC: centos1 (version 1.1.19-8.el7_6.4-c3c624ea3d) - partition with quorum
Last updated: Thu Jun 20 12:23:42 2019
Last change: Thu Jun 20 11:05:05 2019 by root via cibadmin on centos2

2 nodes configured
6 resources configured

Online: [ centos1 centos2 ]

Full list of resources:

 Clone Set: dlm-clone [dlm]
     Started: [ centos1 centos2 ]
 mpath-pcmk1 (stonith:fence_mpath): Started centos1
 mpath-pcmk2 (stonith:fence_mpath): Started centos2
 mpath-pcmk3 (stonith:fence_mpath): Started centos1
 mpath-pcmk4 (stonith:fence_mpath): Started centos2

Daemon Status:
  corosync: active/enabled
  pacemaker: active/enabled
  pcsd: active/enabled

Running on the one node
# mdadm - create /dev/md0 --bitmap=clustered --metadata=1.2 --level=mirror --raid-devices=2 /dev/disk/by-id/wwn-0x60014055f2cf62b2d9048129f9e706f2 /dev/disk/by-id/wwn-0x60014055fd0ffa6449f4e73b66121493

Running on the second node
# mdadm --assemble /dev/md0
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Issue History

Date Modified Username Field Change
2019-06-20 09:30 alexandr.botarev New Issue