# $Id: disk.online.help,v 1.1.45.2 2001/09/12 10:00:55 dstowe Exp $
#ident "$Source: /project/unixvm-cvs/src/sol/cmd/vxvm/voladm/zh/disk.online.help,v $"

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  使用此操作恢复对因“禁用（脱机）磁盘设备”操作而禁用的磁盘的访问。 
  
  也可以使用此操作重新扫描可能已被外部的 Volume Manager 更改的磁盘。 
  例如，如果磁盘在两个系统间共享，运行在另一系统上的 Volume Manager 
  可能更改了该磁盘。如果是这样，您可以使用此操作重新扫描该磁盘。
  
  注意: 许多 vxdiskadm 操作重新扫描磁盘而无需用户干预。这将消除多数
        直接联机磁盘的需要，除非该磁盘已被直接脱机。
 
