rac采用nfs归档错误Linux Error: 37: No locks available

环境:
两个节点的RAC,归档采用NFS.

今天发现数据库aletr日志报如下错误:
CJQ0 started with pid=52, OS id=30736
Wed Feb 05 21:36:32 2014
Thread 1 advanced to log sequence 116 (LGWR switch)
  Current log# 2 seq# 116 mem# 0: +DATA01/racdb/onlinelog/group_2.262.837290997
  Current log# 2 seq# 116 mem# 1: +FRA/racdb/onlinelog/group_2.261.837290999
Wed Feb 05 21:37:02 2014
Errors in file /u01/product/oracle/diag/rdbms/racdb/racdb1/trace/racdb1_arc3_30325.trc:
ORA-19504: failed to create file "/bak/archivelog02/1_115_837290977.dbf"
ORA-27086: unable to lock file - already in use
Linux Error: 37: No locks available
Additional information: 10
ARC3: Error 19504 Creating archive log file to '/bak/archivelog02/1_115_837290977.dbf'
Wed Feb 05 21:37:04 2014
LNS: Standby redo logfile selected for thread 1 sequence 116 for destination LOG_ARCHIVE_DEST_3

这里的/bak/archivelog02/是另外一个节点通过nfs共享过来的目录,估计是nfs问题导致的.

解决办法,mount的时候加上nolock选项：

umount /bak/archivelog02
mount -o nolock -t nfs 192.168.50.200:/bak/archivelog02 /bak/archivelog02

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