xref: /titanic_41/usr/src/cmd/lvm/etc/svm.cleanup.sh (revision 355b4669e025ff377602b6fc7caaf30dbc218371)
1#! /usr/bin/sh
2#
3# CDDL HEADER START
4#
5# The contents of this file are subject to the terms of the
6# Common Development and Distribution License, Version 1.0 only
7# (the "License").  You may not use this file except in compliance
8# with the License.
9#
10# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
11# or http://www.opensolaris.org/os/licensing.
12# See the License for the specific language governing permissions
13# and limitations under the License.
14#
15# When distributing Covered Code, include this CDDL HEADER in each
16# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
17# If applicable, add the following below this CDDL HEADER, with the
18# fields enclosed by brackets "[]" replaced with your own identifying
19# information: Portions Copyright [yyyy] [name of copyright owner]
20#
21# CDDL HEADER END
22#
23#
24# ident	"%Z%%M%	%I%	%E% SMI"
25#
26# Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
27# Use is subject to license terms.
28#
29# SVM Flash cleanup
30# Remove existing master SVM configuration on clone after full flash install.
31# Restore existing clone SVM configuation after differential flash install.
32#
33
34IN_SYS=${FLASH_ROOT}/etc/system
35IN_CONF=${FLASH_ROOT}/kernel/drv/md.conf
36IN_CF=${FLASH_ROOT}/etc/lvm/mddb.cf
37
38TMP_SYS=/var/tmp/system.1
39TMP_CONF=/var/tmp/md.conf.1
40TMP_CF=/var/tmp/mddb.cf.1
41
42# Directory where original clone config is saved.
43SAVE_DIR=${FLASH_DIR}/flash/svm
44
45if [ "${FLASH_TYPE}" = "FULL" ]; then
46	# Full flash install, remove master's SVM configuration from clone.
47
48	# Remove any SVM root entry from /etc/system file.
49	nawk '
50	BEGIN {delroot=0}
51	/^\* Begin MDD root info \(do not edit\)$/ {delroot=1}
52	/^\* End MDD root info \(do not edit\)$/ {delroot=0; next}
53	{if (delroot == 0) print $0}
54	' ${IN_SYS} > ${TMP_SYS}
55	cp ${TMP_SYS} ${IN_SYS}
56
57	# Check if we are on the mini-root.  If we are, we need to clean up the
58	# mddb configuration since this implies we are doing a full flash onto
59	# a fresh system.
60	#
61	# If we are not on the mini-root that must mean we are installing
62	# the full flash via live-upgrade.  In that case we share the
63	# SVM configuration with the currently running system so we
64	# need to copy the md.conf file from the current root onto the
65	# newly installed root.  Note that the flash archive might not have
66	# been created from the currently running system.
67	if [ -h /kernel/drv/md.conf ]; then
68		# Remove SVM mddb entries from /kernel/drv/md.conf.
69		nawk '
70		BEGIN {delmddb=0}
71		/^# Begin MDD database info \(do not edit\)$/ {delmddb=1}
72		/^# End MDD database info \(do not edit\)$/ {delmddb=0; next}
73		{if (delmddb == 0) print $0}
74		' ${IN_CONF} > ${TMP_CONF}
75		cp ${TMP_CONF} ${IN_CONF}
76
77		# Remove SVM mddb entries from /etc/lvm/mddb.cf.
78		nawk '
79		/^#/ {print $0}
80		' ${IN_CF} > ${TMP_CF}
81		cp ${TMP_CF} ${IN_CF}
82
83	else
84		# copy SVM config from current root to new root
85		cp /kernel/drv/md.conf ${IN_CONF}
86		cp /etc/lvm/mddb.cf ${IN_CF}
87	fi
88
89	# We may need to enable the SVM services in SMF.  This could happen
90	# if we used jumpstart or live-upgrade to create SVM volumes as
91	# part of the flash install.
92	#
93	# It doesn't matter if we are doing a flash install via a jumpstart
94	# on the mini-root or via a live-upgrade.  In both cases we check
95	# the md.conf on the currently running root to see if SVM is
96	# configured.  For the jumpstart case it will have setup the
97	# volumes already so the mini-root md.conf has the mddb info.  For
98	# the live-upgade case both roots will be sharing the same md.conf
99	# and have the same view of the SVM configuration.
100	#
101	# Check if there are mddb entries in md.conf to determine if SVM is
102	# configured.
103	sed -e 's/#.*$//' /kernel/drv/md.conf | \
104	    egrep '^[    ]*mddb_bootlist' >/dev/null 2>&1
105	MDDB_STATUS=$?
106
107	if [ $MDDB_STATUS -eq 0 ]; then
108		echo "/usr/sbin/svcadm enable system/metainit:default" >> \
109		    ${FLASH_ROOT}/var/svc/profile/upgrade
110
111		echo "/usr/sbin/svcadm enable system/mdmonitor:default" >> \
112		    ${FLASH_ROOT}/var/svc/profile/upgrade
113
114		echo "/usr/sbin/svcadm enable network/rpc/meta:default" >> \
115		    ${FLASH_ROOT}/var/svc/profile/upgrade
116	fi
117
118else
119	# Differential flash install, restore clone SVM configuration.
120	# The matrix of master/clone SVM config w/ diff. flash looks like:
121	#
122	# master    clone    clone after differential flash
123	#
124	# yes        yes     same as clone prior to diff. flash
125	# yes        no      no
126	# no         yes     same as clone prior to diff. flash
127	# no         no      no
128	#
129
130	# restore saved config files
131	cp ${SAVE_DIR}/md.conf ${FLASH_ROOT}/kernel/drv/md.conf
132	cp ${SAVE_DIR}/devpath ${FLASH_ROOT}/etc/lvm/devpath
133	cp ${SAVE_DIR}/md.cf ${FLASH_ROOT}/etc/lvm/md.cf
134	cp ${SAVE_DIR}/md.ctlrmap ${FLASH_ROOT}/etc/lvm/md.ctlrmap
135	cp ${SAVE_DIR}/md.tab ${FLASH_ROOT}/etc/lvm/md.tab
136	cp ${SAVE_DIR}/mddb.cf ${FLASH_ROOT}/etc/lvm/mddb.cf
137	cp ${SAVE_DIR}/runtime.cf ${FLASH_ROOT}/etc/lvm/runtime.cf
138
139	# Now process the various permutations for the master and clone
140	# /etc/system file SVM root entries.
141
142	# First check if we need to do anything with /etc/system.
143	if `cmp -s ${SAVE_DIR}/system ${IN_SYS} >/dev/null 2>&1`; then
144	    # There is no difference so leave it alone.
145	    exit 0;
146	fi
147
148	# Get any SVM root entry from master /etc/system file.
149	MASTER_ROOT=`nawk '
150	BEGIN {inroot=0}
151	/^\* Begin MDD root info \(do not edit\)$/ {inroot=1; next}
152	/^\* End MDD root info \(do not edit\)$/ {inroot=0}
153	{if (inroot == 1) print $0}
154	' ${IN_SYS}`
155
156	# Get any SVM root entry from clone /etc/system file.
157	CLONE_ROOT=`nawk '
158	BEGIN {inroot=0}
159	/^\* Begin MDD root info \(do not edit\)$/ {inroot=1; next}
160	/^\* End MDD root info \(do not edit\)$/ {inroot=0}
161	{if (inroot == 1) print $0}
162	' ${SAVE_DIR}/system`
163
164	# If there is an SVM root entry in the master /etc/system file.
165	if [ "${MASTER_ROOT}" ]; then
166
167	    # If there is an SVM root entry in the clone /etc/system file.
168	    if [ "${CLONE_ROOT}" ]; then
169
170		# Restore clone SVM root entry in /etc/system file.
171		nawk -v clone_root="${CLONE_ROOT}" '
172		BEGIN {newroot=0}
173		/^\* Begin MDD root info \(do not edit\)$/ {
174		    newroot=1
175		    print $0
176		    print clone_root
177		}
178		/^\* End MDD root info \(do not edit\)$/ {newroot=0}
179		{if (newroot == 0) print $0}
180		' ${IN_SYS} >${TMP_SYS}
181		cp ${TMP_SYS} ${IN_SYS}
182
183	    else
184
185		# There is no SVM root entry in the clone so remove the entry
186		# from the /etc/system file.
187		nawk '
188		BEGIN {delroot=0}
189		/^\* Begin MDD root info \(do not edit\)$/ {delroot=1}
190		/^\* End MDD root info \(do not edit\)$/ {delroot=0; next }
191		{if (delroot == 0) print $0}
192		' ${IN_SYS} >${TMP_SYS}
193		cp ${TMP_SYS} ${IN_SYS}
194
195	    fi
196
197	else
198	    # Master has no SVM root entry in the /etc/system file.
199	    if [ "${CLONE_ROOT}" ]; then
200		# But clone does have one so we need to add it back in.
201
202		echo "* Begin MDD root info (do not edit)" >> ${IN_SYS}
203		echo "${CLONE_ROOT}" >> ${IN_SYS}
204		echo "* End MDD root info (do not edit)" >> ${IN_SYS}
205	    fi
206
207	    # If neither master nor clone has SVM root entry then
208	    # we just leave the system file alone.
209	fi
210fi
211
212exit 0
213