11-04-2014
Hi,
Much better, there is no problem with creating a volume of 27Tb and mounting it - you'll have to make sure that your testing can be done in isolation. So you should if possible sandbox the machine and data base.
The process I would look at is a simple JBOD using LVM to create a volume group that is big enough for the 25Tb restore - which will take some time I think. You'll have to install the netbackup client on the target host and restore.
Regards
Dave
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LEARN ABOUT REDHAT
vgmknodes
VGMKNODES(8) System Manager's Manual VGMKNODES(8)
NAME
vgmknodes - create volume group directory and special files
SYNOPSIS
vgmknodes [-d|--debug] [-h|--help] [-v|--verbose] [VolumeGroupPath | VolumeGroupName...]
DESCRIPTION
vgmknodes creates the volume group directory and special files for an existing volume group. This is to restore deleted special files.
Owner, group and file permissions will not be restored.
OPTIONS
-d, --debug
Enables additional debugging output (if compiled with DEBUG).
-h, --help
Print a usage message on standard output and exit successfully.
-v, --verbose
Gives verbose information about vgmknode's activities.
Examples
"vgmknodes /dev/vg02" tries to remove /dev/vg02 and all contained special files and then creates them again based on the VGDA.
DIAGNOSTICS
vgmknodes returns an exit code of 0 for success and > 0 for error:
1 invalid volume group name
2 error checking existence of volume group
3 error removing volume group device special files
4 error creating volume group device special files
95 driver/module not in kernel
96 invalid I/O protocol version
97 error locking logical volume manager
98 invalid lvmtab (run vgscan (8))
99 invalid command line
See also
lvm(8), vgcreate(8)
AUTHOR
Heinz Mauelshagen <Linux-LVM@Sistina.com>
Heinz Mauelshagen LVM TOOLS VGMKNODES(8)