Working with disk sets from replicated LUNs Post: 302893026

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LEARN ABOUT HPUX

vxpfto

vxpfto(1M)																vxpfto(1M)

NAME

       vxpfto - set Powerfail Timeout (pfto)

SYNOPSIS

       vxpfto -g diskgroup -t timeout

       vxpfto [-g diskgroup] -t timeout  volume_list

       vxpfto [-g diskgroup] -o pftostate={enabled|disabled}

       vxpfto [-g diskgroup] -o pftostate={enabled|disabled} volume_list

DESCRIPTION

       Powerfail Timeout is an attribute of a SCSI disk connected to an HP-UX host (see the pfto(7) man page).	The vxpfto command sets the Power-
       fail Timeout interval on a set of Volume Manager disks, either all disks in a disk group, or all disks underlying the volumes listed.

       The first form of the command sets the same PFTO value for all the disks in the specified VxVM diskgroup.

       In the second form, all disks underlying the given list of volumes are selected, optionally restricted by the disk group specified with the
       -g option.  If you specify a diskgroup, any volume in the list not belonging to the diskgroup is ignored.

       Use  the  -o  pftostate	option	to disable or enable PFTO. By default, PFTO is enabled.  You can enable PFTO either on all disks in a disk
       group, or on all disks underlying the volumes listed.

       If you invoke vxpfto without arguments, it displays a usage message.

OPTIONS

       -g diskgroup
		 Specifies the disk group for the operation, either by disk group ID or by disk group name.

       -o pftostate={enabled|disabled}
		 Enables or disables the use of PFTO for IO.

       -t timeout
		 Specifies the PFTO value in seconds.  The value must be zero or a positive integer.  Zero  represents	the  system  default  PFTO
		 value.  The default value depends on the disk driver controlling the disk device.

       volume_list
		 A list of VxVM volume names. List items must be separated by white-space.

EXIT CODES

       vxpfto  returns a zero if successful.  If it encounters an error, vxpfto exits and displays a message on standard error. Defined exit codes
       are:

       0    Success.

       1    No PFTO value specified.

       2    No diskgroup or volume list specified.

       3    Illegal PFTO value specified.

EXAMPLES

       Set the PFTO value on all disks in disk group testdg to 100 seconds:

	      vxpfto -t 100 -g testdg

       Set the PFTO value to 50 seconds on all disks underlying volume01 and volume02 in disk group testdg:

	      vxpfto -t 50 -g testdg volume01 volume02

       Set the PFTO value to 300 seconds on all disks underlying volume01 and volume02, even though they are not in the same disk group:

	      vxpfto -t 300 volume01 volume02

       Disable PFTO on all disks in disk group testdg:

	      vxpfto -g testdg -o pftostate=disabled

       Enable PFTO on all disks underlying volume01 and volume02i in disk group testdg:

	      vxpfto -g testdg -o pftostate=enabled volume01 volume02

SEE ALSO

       vxdisk(1M), pfto(7)

VxVM 5.0.31.1							    24 Mar 2008 							vxpfto(1M)