Upgrading from earlier VxFS version layouts <a class="indexterm" name="id424691"></a>


Upgrading from earlier VxFS version layouts
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Upgrading from earlier VxFS version layouts

Before starting the upgrade process, make sure the following conditions have been met:

Prerequisites

Usage notes

The vxupgrade command lets you to upgrade the VxFS file system disk layout while the file system is mounted. See the vxupgrade(1M) manual page for more details.
VxFS supports four file system disk layouts: Versions 4, 5, 6, and 7. New file systems are created with the Version 6 (for large file systems) disk layout by default when the current version of Veritas Storage Foundation for DB2 is installed on a system. You must minimally upgrade to Version 4 disk layout if you want to use the Storage Rollback or Veritas NetBackup BLI Backup features.

To upgrade an existing VxFS file system to a new file system disk layout version

This is an example of upgrading to disk layout Version 7:

# /opt/VRTS/bin/vxupgrade -n 7 /db01

To use Quick I/O after upgrading the file system disk layout to version 4, 5, 6, or 7

Make the DB2 database inactive by either shutting down the database or disabling all user connections.
Make each datafile accessible as a Quick I/O file.

See Accessing regular VxFS files as Quick I/O files.
Reactivate the DB2 database.

To use Oracle Disk Manager after upgrading the file system disk layout to version 4, 5, 6, or 7