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Boot Disk Management: A Guide for the Solaris™ Operating Environment by David Deeths, John S. Howard

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Moving Data From Failing Disks

Hot relocation is the VxVM default mechanism to move, or relocate, data from a failed or failing disk to any disk in that disk group with available free space. This feature is not recommended for use with versions of VxVM prior to VxVM version 3.1, as reconstruction (or "putting things back the way they were") was a manual and time-consuming task.

Hot sparing is also a mechanism used by VxVM to move data from failing disks. In the event of a disk failure, hot sparing will attempt to relocate the entire contents of the failed disk onto a designated hot spare disk. Disks must be designated as spares before they can be used as spares. A disk is designated as a hot spare with the vxedit command as follows.

 # vxedit ...

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