AIX挂载NFS备份Oracle数据文件失败

按照MOS文档:Mount Options for Oracle files for RAC databases and Clusterware when used with NFS on NAS devices (Doc ID 359515.1),NFS若需要存储数据文件,应该使用下面这样的NFS挂载参数:

mount -o cio,rw,bg,hard,nointr,rsize=32768,wsize=32768,proto=tcp,noac,vers=3,timeo=600 10.xx.xx.212:/xtts /xtts

挂载成功后,尝试使用backup as copy datafile xx format ‘/xtts/xx.bak’备份Oracle数据文件时,还是无法备份,报错挂载参数不匹配。

实际测试中还需要在/etc/filesystems中添加对应的信息:
vi /etc/filesystems

/xtts:
        dev             = /xtts
        vfs             = nfs
        nodename        = 10.xx.xx.212
        mount           = true
        options         = cio,rw,bg,hard,nointr,rsize=32768,wsize=32768,proto=tcp,noac,vers=3,timeo=600
        account         = false

这样设置后重新挂载测试,backup as copy备份Oracle数据文件可以成功。

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