1 #! /bin/ksh -p 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 (the "License"). 7 # You may not use this file except in compliance with the License. 8 # 9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 # or http://www.opensolaris.org/os/licensing. 11 # See the License for the specific language governing permissions 12 # and limitations under the License. 13 # 14 # When distributing Covered Code, include this CDDL HEADER in each 15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 # If applicable, add the following below this CDDL HEADER, with the 17 # fields enclosed by brackets "[]" replaced with your own identifying 18 # information: Portions Copyright [yyyy] [name of copyright owner] 19 # 20 # CDDL HEADER END 21 # 22 23 # 24 # Copyright 2008 Sun Microsystems, Inc. All rights reserved. 25 # Use is subject to license terms. 26 # 27 28 # 29 # Copyright (c) 2013, 2016 by Delphix. All rights reserved. 30 # Copyright 2020 Joyent, Inc. 31 # 32 33 . $STF_SUITE/include/libtest.shlib 34 . $STF_SUITE/tests/functional/zvol/zvol_common.shlib 35 . $STF_SUITE/tests/functional/zvol/zvol_swap/zvol_swap.cfg 36 37 # 38 # DESCRIPTION: 39 # Verify that a zvol device can be used as a swap device 40 # through /etc/vfstab configuration. 41 # 42 # STRATEGY: 43 # 1. Modify /etc/vfstab to add the test zvol as swap device. 44 # 2. Use /sbin/swapadd to add zvol as swap device throuth /etc/vfstab 45 # 3. Create a file under /tmp and verify the file 46 # 47 48 verify_runnable "global" 49 50 function cleanup 51 { 52 [[ -f /tmp/$TESTFILE ]] && log_must rm -f /tmp/$TESTFILE 53 [[ -f $NEW_VFSTAB_FILE ]] && log_must rm -f $NEW_VFSTAB_FILE 54 [[ -f $PREV_VFSTAB_FILE ]] && \ 55 log_must mv $PREV_VFSTAB_FILE $VFSTAB_FILE 56 [[ -f $PREV_VFSTAB_FILE ]] && rm -f $PREV_VFSTAB_FILE 57 58 if is_swap_inuse $voldev ; then 59 log_must swap -d $voldev 60 fi 61 62 } 63 64 log_assert "Verify that a zvol device can be used as a swap device" \ 65 "through /etc/vfstab configuration." 66 67 log_onexit cleanup 68 69 voldev=/dev/zvol/dsk/$TESTPOOL/$TESTVOL 70 VFSTAB_FILE=/etc/vfstab 71 NEW_VFSTAB_FILE=/var/tmp/zvol_vfstab.$$ 72 PREV_VFSTAB_FILE=/var/tmp/zvol_vfstab.PREV.$$ 73 74 [[ -f $NEW_VFSTAB_FILE ]] && cp /dev/null $NEW_VFSTAB_FILE 75 76 awk '{if ($4 != "swap") print $1}' /etc/vfstab > $NEW_VFSTAB_FILE 77 echo "$voldev\t-\t-\tswap\t-\tno\t-" >> $NEW_VFSTAB_FILE 78 79 # Copy off the original vfstab, and run swapadd on the newly constructed one. 80 log_must cp $VFSTAB_FILE $PREV_VFSTAB_FILE 81 log_must cp $NEW_VFSTAB_FILE $VFSTAB_FILE 82 log_must swapadd $VFSTAB_FILE 83 84 log_must file_write -o create -f /tmp/$TESTFILE \ 85 -b $BLOCKSZ -c $NUM_WRITES -d $DATA 86 87 [[ ! -f /tmp/$TESTFILE ]] && 88 log_fail "Unable to create file under /tmp" 89 90 filesize=`ls -l /tmp/$TESTFILE | awk '{print $5}'` 91 tf_size=$((BLOCKSZ * NUM_WRITES)) 92 (($tf_size != $filesize)) && \ 93 log_fail "testfile is ($filesize bytes), expected ($tf_size bytes)" 94 95 log_pass "Successfully added a zvol to swap area through /etc/vfstab."