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 vgsync(1M)                                                       vgsync(1M)
                 Requires Optional HP MirrorDisk/UX Software

 NAME    [Toc]    [Back]
      vgsync - synchronize stale logical volume mirrors in LVM volume groups

 SYNOPSIS    [Toc]    [Back]
      /usr/sbin/vgsync vg_name ...

    Remarks    [Toc]    [Back]
      This command requires the installation of the optional HP MirrorDisk/UX
      software, which is not included in the standard HP-UX operating system.

 DESCRIPTION    [Toc]    [Back]
      The vgsync command synchronizes the physical extents of each mirrored
      logical volume in the volume group specified by vg_name  ....
      Synchronization occurs only on the physical extents that are stale
      mirrors of the original logical extent.

      The synchronization process can be time consuming, depending on the
      hardware characteristics and the amount of data.  Unless disabled, the
      mirrors within a volume group are synchronized automatically when the
      volume group is activated by the vgchange -a y command.

    Arguments    [Toc]    [Back]
      vgsync recognizes the following argument:

           vg_name        The path name of a volume group.

    Environment Variables
      LANG determines the language in which messages are displayed.

      If LANG is not specified or is null, it defaults to "C" (see lang(5)).

      If any internationalization variable contains an invalid setting, all
      internationalization variables default to "C" (see environ(5)).

 EXAMPLES    [Toc]    [Back]
      Synchronize the mirrors on volume group /dev/vg04:

           vgsync /dev/vg04

 WARNINGS    [Toc]    [Back]
      It is not advisable to interrupt a vgsync process.

 SEE ALSO    [Toc]    [Back]
      lvsync(1M), vgchange(1M), vgdisplay(1M).

 Hewlett-Packard Company            - 1 -   HP-UX 11i Version 2: August 2003
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 Similar pages
Name OS Title
lvsync HP-UX synchronize stale mirrors in LVM logical volumes
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