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發(fā)表于 2011-07-26 10:57 |只看該作者 |倒序?yàn)g覽

故障現(xiàn)象：富士通M5000主機(jī)重啟后無(wú)法開啟nfs服務(wù)，該主機(jī)無(wú)法作為nfs server提供服務(wù)，檢查SMF服務(wù)后，發(fā)現(xiàn)svc:/network/nfs/status:default服務(wù)absent（服務(wù)丟失，在系統(tǒng)中無(wú)法發(fā)現(xiàn)）:

bash-3.00# svcs -xv       <---------------查看系統(tǒng)未能正常啟動(dòng)的服務(wù)
svc:/network/nfs/nlockmgr:default (NFS lock manager)
State: offline since Fri Jul 22 12:58:00 2011
Reason: Dependency svc:/network/nfs/status is absent.
See: http://sun.com/msg/SMF-8000-E2
See: man -M /usr/share/man -s 1M lockd
Impact: 2 dependent services are not running:
      svc:/network/nfs/client:default
      svc:/network/nfs/server:default
bash-3.00# svcs -l svc:/network/nfs/nlockmgr:default                <-----------------列出該服務(wù)的詳細(xì)信息
fmri       svc:/network/nfs/nlockmgr:default
name       NFS lock manager
enabled    true
state       offline
next_state none
state_time Fri Jul 22 12:58:00 2011
restarter svc:/system/svc/restarter:default
dependency require_any/none svc:/milestone/network (online)
dependency require_all/none svc:/network/rpc/bind (online)
dependency require_all/none svc:/network/nfs/status (absent)
dependency require_all/none svc:/system/filesystem/minimal (online)
bash-3.00# svcs -D svc:/network/nfs/nlockmgr:default                   <----------------------列出該服務(wù)的被依賴關(guān)系
STATE       STIME FMRI
offline       12:58:00 svc:/network/nfs/client:default
offline       12:58:01 svc:/network/nfs/server:default
bash-3.00# svcs -a|grep nfs                         <-------------------顯示所有跟nfs相關(guān)的服務(wù)，status服務(wù)并沒(méi)有啟動(dòng)，已經(jīng)丟失（absent）
online       12:58:08 svc:/network/nfs/mapid:default
online       12:58:08 svc:/network/nfs/cbd:default
online       12:58:11 svc:/network/nfs/rquota:default
offline       12:58:00 svc:/network/nfs/nlockmgr:default
offline       12:58:00 svc:/network/nfs/client:default
offline       12:58:01 svc:/network/nfs/server:default
由上面的關(guān)系可以看出，由于status服務(wù)缺失（absent），導(dǎo)致了nlockmgr服務(wù)無(wú)法正常啟動(dòng)，從而引起了被nlockmgr依賴的兩個(gè)服務(wù)server和client也未能啟動(dòng)

故障恢復(fù)：由于服務(wù)缺失了，因此考慮用svccfg import service_manifest.xml方法來(lái)嘗試status的配置文件手工導(dǎo)入，配置文件存放地點(diǎn)為/var/svc/manifest/network/nfs

bash-3.00# pwd
/var/svc/manifest/network/nfs
bash-3.00# svccfg import status.xml                <------------------手工導(dǎo)入配置文件到repository庫(kù)中
bash-3.00# svcs -a|grep nfs
online       12:58:08 svc:/network/nfs/cbd:default
online       12:58:11 svc:/network/nfs/rquota:default
online       14:05:45 svc:/network/nfs/mapid:default
online       21:39:32 svc:/network/nfs/nlockmgr:default
online       21:39:33 svc:/network/nfs/client:default
online       21:39:33 svc:/network/nfs/server:default
maintenance 21:40:55 svc:/network/nfs/status:default
bash-3.00# svcs -xv svc:/network/nfs/status:default             <---------------------status狀態(tài)詳細(xì)列表
svc:/network/nfs/status:default (NFS status monitor)
State: maintenance since Fri Jul 22 21:39:33 2011
Reason: Restarting too quickly.
See: http://sun.com/msg/SMF-8000-L5
See: man -M /usr/share/man -s 1M statd
See: /var/svc/log/network-nfs-status:default.log
Impact: This service is not running.
bash-3.00# cat /var/svc/log/network-nfs-status:default.log          <-----------------------查看日志信息
[ Jul 22 21:39:08 Disabled. ]
[ Jul 22 21:39:08 Rereading configuration. ]
[ Jul 22 21:39:32 Enabled. ]
[ Jul 22 21:39:32 Executing start method ("/usr/lib/nfs/statd"

]
[ Jul 22 21:39:32 Method "start" exited with status 0 ]
[ Jul 22 21:39:32 Stopping because all processes in service exited. ]
[ Jul 22 21:39:32 Executing stop method (:kill) ]
[ Jul 22 21:39:32 Executing start method ("/usr/lib/nfs/statd"

]
[ Jul 22 21:39:32 Method "start" exited with status 0 ]
[ Jul 22 21:39:33 Stopping because all processes in service exited. ]
[ Jul 22 21:39:33 Executing stop method (:kill) ]
[ Jul 22 21:39:33 Executing start method ("/usr/lib/nfs/statd"

]
[ Jul 22 21:39:33 Method "start" exited with status 0 ]
[ Jul 22 21:39:33 Stopping because all processes in service exited. ]
[ Jul 22 21:39:33 Executing stop method (:kill) ]
[ Jul 22 21:39:33 Restarting too quickly, changing state to maintenance
突然想起之前我手工執(zhí)行了啟動(dòng) /nfs/status服務(wù)的method"/usr/lib/nfs/statd"，可能是這個(gè)原因?qū)е逻@里一直報(bào)錯(cuò)，無(wú)法online
bash-3.00# ps -ef |grep nfs
  daemon 815    1 0 12:58:09 ?          0:00 /usr/lib/nfs/nfs4cbd
  daemon 802    1 0 12:58:09 ?          0:00 /usr/lib/nfs/nfsmapid
root  2435  1729 0 21:46:49 pts/2    0:00 grep nfs
root  1997    1 0 21:39:34 ?          0:00 /usr/lib/nfs/mountd
  daemon  8022    1 0 14:00:25 ?          0:00 /usr/lib/nfs/lockd
  daemon  1999    1 0 21:39:34 ?          0:00 /usr/lib/nfs/nfsd
  daemon  7748    1 0 13:57:43 ?          0:00 /usr/lib/nfs/statd
bash-3.00# kill -9 7748                <----------------------將之前手工執(zhí)行方法后產(chǎn)生的后臺(tái)進(jìn)程殺掉
bash-3.00# ps -ef |grep nfs
  daemon 815    1 0 12:58:09 ?          0:00 /usr/lib/nfs/nfs4cbd
  daemon 802    1 0 12:58:09 ?          0:00 /usr/lib/nfs/nfsmapid
root  1997    1 0 21:39:34 ?          0:00 /usr/lib/nfs/mountd
  daemon  8022    1 0 14:00:25 ?          0:00 /usr/lib/nfs/lockd
root  2469  1729 0 21:47:33 pts/2    0:00 grep nfs
  daemon  1999    1 0 21:39:34 ?          0:00 /usr/lib/nfs/nfsd
bash-3.00# svcadm refresh svc:/network/nfs/status:default                   <-------------------刷新
bash-3.00# svcadm clear svc:/network/nfs/status:default                      <------------------修復(fù)后，重啟
bash-3.00# svcs -a|grep nfs
online       12:58:08 svc:/network/nfs/cbd:default
online       12:58:11 svc:/network/nfs/rquota:default
online       14:05:45 svc:/network/nfs/mapid:default
online       21:39:32 svc:/network/nfs/nlockmgr:default
online       21:39:33 svc:/network/nfs/client:default
online       21:39:33 svc:/network/nfs/server:default
online       21:47:59 svc:/network/nfs/status:default
看著服務(wù)online了，眼淚花兒都包起了

故障解除。。。。。。
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詳細(xì)命令和smf相關(guān)信息參考solarisSMF.pdf smf-workshop-ganesh.pdf
在此特別感謝asx_liu的頂力相助，