1#!/bin/bash 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 2007 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26# 27 28# 29# Copyright (c) 2013 by Delphix. All rights reserved. 30# 31 32. $STF_SUITE/include/libtest.shlib 33 34# 35# DESCRIPTION: 36# When a swap zvol is added it is resized to be equal to 1/4 c_max, 37# capped between 2G and 16G. 38# 39# STRATEGY: 40# 1. Determine what 1/4 arc_c_max is. 41# 2. Create a zvols in a variety of sizes. 42# 3. Add them as swap, and verify the volsize is resized correctly. 43# 44 45verify_runnable "global" 46 47log_assert "For an added swap zvol, (2G <= volsize <= 16G)" 48 49typeset -i min max mem 50((mem = $($KSTAT -p ::arcstats:c_max | $AWK '{print $2}') / 4)) 51((min = 2 * 1024 * 1024 * 1024)) 52((max = 16 * 1024 * 1024 * 1024)) 53 54for vbs in 512 1024 2048 4096 8192 16384 32768 65536 131072; do 55 for multiplier in 1 32 16384 131072; do 56 ((volsize = vbs * multiplier)) 57 vol="$TESTPOOL/vol_$volsize" 58 swapname="/dev/zvol/dsk/$vol" 59 60 # Create a sparse volume to test larger sizes 61 log_must $ZFS create -s -b $vbs -V $volsize $vol 62 log_must $SWAP -a $swapname 63 64 if ((mem <= min)); then # volsize should be 2G 65 new_volsize=$(get_prop volsize $vol) 66 ((new_volsize == min)) || log_fail \ 67 "Unexpected volsize: $new_volsize" 68 elif ((mem >= max)); then # volsize should be 16G 69 new_volsize=$(get_prop volsize $vol) 70 ((new_volsize == max)) || log_fail \ 71 "Unexpected volsize: $new_volsize" 72 else # volsize should be 'mem' 73 new_volsize=$(get_prop volsize $vol) 74 ((new_volsize == mem)) || log_fail \ 75 "Unexpected volsize: $new_volsize" 76 fi 77 78 log_must $SWAP -d $swapname 79 log_must $ZFS destroy $vol 80 done 81done 82 83log_pass "For an added swap zvol, (2G <= volsize <= 16G)" 84