OpenSolaris

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Bug ID 6324927
Synopsis multi-owner diskset: if any mediator fail to respond, nodes not able to join the set
State 10-Fix Delivered (Fix available in build)
Category:Subcategory kernel:svm-sc
Keywords oban | onnv_triage | rtiq_reviewed | s10u2-req
Responsible Engineer Susan Kamm-worrell
Reported Against 3.1u3_fcs
Duplicate Of
Introduced In solaris_10
Commit to Fix snv_26
Fixed In snv_26
Release Fixed solaris_nevada(snv_26) , solaris_10u1(s10u1_18) (Bug ID:2130516) solaris_9(s9patch) (Bug ID:2134858,)
Related Bugs 6312985
Submit Date 16-September-2005
Last Update Date 6-July-2009
Description
I 've seen this problem twice on 2 clusters, both have SC3.1u4_27 and in both instances ordinary metasets were fine. There were no related error messages on console during booting up.

Sep  8 10:24:05 pmoney1 md: WARNING: rpc.metamedd on host pmoney3 not responding
Sep  8 10:25:08 pmoney1 metaclust: pmoney4: oban: WARNING: Unable to join node 
pmoney4 to set oban: metadevice database has too few replicas, for metadevice 
database operation
pmoney1# metaset -s oban

Multi-owner Set name = oban, Set number = 2, Master = pmoney1

Host                Owner          Member
  pmoney1            multi-owner   Yes 
  pmoney2                          No  
  pmoney3                          No  
  pmoney4                          Yes 

Mediator Host(s)    Aliases
  pmoney4             
  pmoney3             

Driv Dbase

d6   Yes  

d7   Yes  

d8   Yes  

d9   Yes  
pmoney1# scstat -D

-- Device Group Servers --

                         Device Group        Primary             Secondary
                         ------------        -------             ---------
  Device group servers:  rmt/1               -                   -
  Device group servers:  rmt/2               -                   -
  Device group servers:  ds1                 pmoney1             pmoney4


-- Device Group Status --

                              Device Group        Status              
                              ------------        ------              
  Device group status:        rmt/1               Offline
  Device group status:        rmt/2               Offline
  Device group status:        ds1                 Online


-- Multi-owner Device Groups --

                              Device Group        Online Status
                              ------------        -------------
  Multi-owner device group:   oban                pmoney4,pmoney1
pmoney4# metaset -s oban

Multi-owner Set name = oban, Set number = 2, Master = pmoney1

Host                Owner          Member
  pmoney1                          Yes 
  pmoney2                          No  
  pmoney3                          No  
  pmoney4                          Yes 

Mediator Host(s)    Aliases
  pmoney4             
  pmoney3             

Driv Dbase

d6   Yes  

d7   Yes  

d8   Yes  

d9   Yes  
pmoney4# metadb -s oban 
metadb: pmoney4: oban: not owner of metadevice database
pmoney4# metastat -s oban
metastat: pmoney4: oban: must be owner of the set for this command
pmoney4# metadb
        flags           first blk       block count
     a m  pc luo        16              8192            /dev/dsk/c0t0d0s4
     a    pc luo        8208            8192            /dev/dsk/c0t0d0s4
     a    pc luo        16400           8192            /dev/dsk/c0t0d0s4
ordinary metaset ds1 looks fine on pmoney4.

pmoney4# medstat -s oban
Mediator                Status  Golden
pmoney4                 Ok      No
pmoney3                 Ok      No
pmoney4#  ls /var/sadm/patch
118551-01     119015-02     119302-01     120537-03     120809-01
118553-01     119042-02     119578-06     120545-01     IDR120708-01
118822-14     119075-11     119578-07     120545-02
118822-18     119130-09     119715-02     120807-01
pmoney1# scstat -n

-- Cluster Nodes --

                    Node name           Status
                    ---------           ------
  Cluster node:     pmoney1             Online
  Cluster node:     pmoney2             Offline
  Cluster node:     pmoney3             Offline
  Cluster node:     pmoney4             Online
pmoney4# cat /etc/release
                     Solaris 10 3/05 HW1 s10s_wos_74L2a SPARC
All nodes are SF6800, have 750Hz x 4 CPU, 4G physsical memory.
Work Around
N/A
Comments
N/A