GlusterFS强制锁

语法格式：

gluster volume set <VOLNAME> locks.mandatory-locking <off / file / forced / optimal>

注：

off - 为指定的卷禁用强制锁

file - 启用Linux内核风格的强制锁语义和位模式的帮助（没有充分测试）

forced - 为卷检查字节范围锁定每个数据编辑操作

optimal - Combinational mode where POSIX clients can live with their advisory lock semantics which will still honour the mandatory locks acquired by other clients like SMB.

参阅文档

http://gluster.readthedocs.io/en/latest/Administrator%20Guide/Mandatory%20Locks/

https://github.com/gluster/glusterfs-specs/blob/master/done/GlusterFS%203.8/Mandatory%20Locks.md

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GlusterFS强制锁

原文：http://cmdschool.blog.51cto.com/2420395/1858776