12-09-2009
True or false ? - Sun cluster 3.2 U3 questions...
I'm using clustered zones on my machine. i'm only at the test phase of my design and ultimately the oracle zones will be using VxVM.
When the testing phase is complete, VxVM will be used in the containers. It is necessary for VxVM to run in the global zone for the containers to use it (is that true?).
I read (not on Sun docs) that SVM has to be installed regardless of VxVM being used, when using SC3.2, is true?
When using clustered zones how will the cluster deal with the VxVM filesystems when a zone fails over to another global zone server?
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LEARN ABOUT HPUX
dgcfgbackup
dgcfgbackup(1M) dgcfgbackup(1M)
NAME
dgcfgbackup - create or update VxVM volume group configuration backup file
SYNOPSIS
/usr/sbin/dgcfgbackup [-f dg_conf_path ] dg_name
DESCRIPTION
The dgcfgbackup command saves the VxVM configuration for a disk group in a default or alternate configuration backup file (see the descrip-
tion of the-f option).
By default, dgcfgbackup is run automatically each time that a VxVM command changes the VxVM configuration. In this case, it always uses
the default configuration backup file. An existing default configuration backup file is renamed with an extension of .old.
Options and Arguments
dg_name Specifies the name of a disk group.
-f dg_conf_path
Saves the configuration using an alternate file name specified by dg_conf_path. If this option is omitted, the default file name
is /etc/vxvmconf/dg_name.conf.
EXIT CODES
dgcfgbackup exits with a zero status on successful completion. An non-zero exit status indicates that errors occurred when information
from the disk group was being accessed.
EXAMPLES
Back up VxVM configuration information for disk group testdg in the default backup file /etc/vxvmconf/testdg.conf:
dgcfgbackup testdg
Back up VxVM configuration information for disk group datadg in the alternate configuration backup file /tmp/datadg.backup:
dgcfgbackup -f /tmp/datadg.backup datadg
NOTES
It is recommended that any alternate configuration backup file be created in the root file system (as is the case with the default path
name). This facilitates disk group recovery during maintenance mode, such as after a system crash.
AUTHOR
dgcfgbackup was developed by the Hewlett-Packard Company.
SEE ALSO
dgcfgrestore(1M)
VxVM 5.0.31.1 24 Mar 2008 dgcfgbackup(1M)