Move a LUN from one server to the other Post: 303013288

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Operating Systems Linux Red Hat Move a LUN from one server to the other Post 303013288 by gull04 on Monday 19th of February 2018 07:20:42 AM

02-19-2018

Registered User

Hi,

The NetApp administrator should be able to tell you if there is any I/O on the LUN, if there is I/O you'll have to find out which server already has the disk access. Otherwise if this was a LUN that was setup using LVM - you will have to export it from one server, import it on the other server and then grow the volumes to the required configuration.

But remember;

If the LUN is already mounted on one server, forcing a mount on an other server - will be bad for the disks health and possibly your future job prospects - depending what's on the LUN.

If this is any kind of HA solution, the LUN will be visible in the service groups and it may have to be scanned from inside the service group.

If this is a NEW LUN and is assigned to a server as /dev/sdb, then you should be able to use the standard admin processes to pull the disk in and use it.

Gull04

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rhn_check

RHN_CHECK(8)							   Red Hat, Inc.						      RHN_CHECK(8)

NAME

       rhn_check - Check for and execute queued actions on RHN.

SYNOPSIS

       rhn_check [options]

DESCRIPTION

       rhn_check  is  a  client  program that connects to "Spacewalk Server", "Red Hat Satellite" or "Red Hat Network Classic" and receives queued
       actions for this particular system.  After receiving the actions, rhn_check will then process them, and return the results to Spacewalk.

OPTIONS

       -v, --verbose
	      Increase the debugging output.

       --proxy=PROXY
	      Specify an http proxy to use.

       --proxyUser=PROXYUSER
	      Specify a username to use for an authenticated proxy. This option must be used in conjunction with proxyPassword.

       --proxyPassword=PROXYPASSWORD
	      Specify a password to use for an authenticated proxy. This option must be used in conjunction with proxyUser.

       --version
	      Show the program's version number and exit.

       -h, --help
	      Show a help message and exit.

FILES

       /etc/sysconfig/rhn/systemid
	      The digital server ID for this machine if the system has been registered onto "Spacewalk Server", "Red Hat Satellite"  or  "Red  Hat
	      Network Classic".  This file does not exist otherwise.

       /etc/sysconfig/rhn/up2date
	      The common configuration file used by RHN client programs.

SEE ALSO

       rhn_register(8), rhnreg_ks(8), rhnsd(8), rhn-profile-sync(8), rhnplugin(8), up2date(5).

AUTHORS

       See the AUTHORS file included with this software.

       This manual page was written by James Bowes <jbowes@redhat.com>

BUGS

       Report bugs to <http://bugzilla.redhat.com>.

COPYRIGHT

       Copyright (C) 1999-2010 Red Hat, Inc.

       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

Linux								  2010 August 30						      RHN_CHECK(8)