Saving data on the storage unit when attaching multiple RS/6000 or pSeries hosts

You can save data on the storage unit when you attach multiple RS/6000® or pSeries™ host systems to the storage unit.

Note: You can restore the data that you save using this procedure by following the steps in Restoring data when attaching multiple RS/6000 or pSeries.
Perform the following steps to preserve the data that is stored on a storage unit that was previously connected to a RS/6000 or pSeries host. This procedure does not erase the data on the storage unit, but it removes the volume groups from the host system:
  1. Type umount to unmount all file systems from all host that are connected to the storage unit.
  2. Type fsck on each of the file systems on the storage unit to verify the file system integrity.
  3. Type varyoffvg to vary off all the storage unit volume groups from all of the host systems that are connected to the storage unit.
  4. Type exportvg to remove all of the storage unit volume groups from all the host systems that are connected to the storage unit.
  5. Type rmdev -ld hdiskx to delete all physical volumes (hdisks) on each host system that is associated with the storage unit.
Parent topic: Attaching to multiple RS/6000 or pSeries hosts without a HACMP host
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