在做实验时将Oracle的归档目录放在nfs服务器上，启动数据库就会死掉，也不能进行归档。
在做实验时将oracle的归档目录放在nfs服务器上，，启动数据库就会死掉，也不能进行归档。
在报警日志中发现
warning:nfs file system /mnt mounted with incorrect options
warning:expected nfs mount options: rsize>=16384,wsize>=16384,hard,noac/actimeo=0
wed apr 17 06:28:15 2013
errors in file /u01/oracle/admin/sid31/bdump/sid312_arc1_21845.trc:
ora-19504: failed to create file "/arc/arc1/2_13_812841120.arc"
ora-27054: nfs file system where the file is created or resides is not mounted with correct options
additional information: 3
arc1: error 19504 creating archive log file to '/arc/arc1/2_13_812841120.arc'
arc1: failed to archive thread 2 sequence 13 (19504)
arch: archival stopped, error occurred. will continue retrying
wed apr 17 06:28:18 2013
oracle instance sid312 - archival error
wed apr 17 06:28:18 2013
ora-16038: log 3 sequence# 13 cannot be archived
重新修改挂载方式
mount 192.168.1.31:/arc /mnt -o rsize=65534,wsize=65534,hard,noac,actimeo=0 /mnt
在修改后重新启动数据库发现还是起不了
报错内容：
errors in file /u01/oracle/admin/sid31/udump/sid312_ora_27149.trc:
ora-19504: failed to create file "/arc/arc1/2_13_812841120.arc"
ora-27086: unable to lock file - already in use
linux error: 37: no locks available
additional information: 10
wed apr 17 06:32:15 2013
arch: error 19504 creating archive log file to '/arc/arc1/2_13_812841120.arc'
arch: failed to archive thread 2 sequence 13 (19504)
这个再加一个nolock选项就可以了
mount 192.168.1.31:/arc /mnt -o rsize=65534,wsize=65534,hard,noac,actimeo=0,nolock /mnt
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