1#! /usr/local/bin/ksh93 -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 2009 Sun Microsystems, Inc. All rights reserved. 25# Use is subject to license terms. 26 27. $STF_SUITE/include/libtest.kshlib 28. $STF_SUITE/tests/reservation/reservation.kshlib 29 30############################################################################### 31# 32# __stc_assertion_start 33# 34# ID: reservation_012_pos 35# 36# DESCRIPTION: 37# 38# A reservation guarantees a certain amount of space for a dataset. 39# Nothing else which happens in the same pool should affect that 40# space, i.e. even if the rest of the pool fills up the reserved 41# space should still be accessible. 42# 43# STRATEGY: 44# 1) Create 2 filesystems 45# 2) Set a reservation on one filesystem 46# 3) Fill up the other filesystem (which does not have a reservation 47# set) until all space is consumed 48# 4) Verify can still write to the filesystem which has a reservation 49# 50# TESTABILITY: explicit 51# 52# TEST_AUTOMATION_LEVEL: automated 53# 54# CODING_STATUS: COMPLETED (2005-07-04) 55# 56# __stc_assertion_end 57# 58################################################################################ 59 60verify_runnable "both" 61 62log_assert "Verify reservations protect space" 63 64function cleanup 65{ 66 $ZFS destroy -f $TESTPOOL/$TESTFS2 67 [[ -d $TESTDIR2 ]] && \ 68 log_must $RM -rf $TESTDIR2 69} 70 71log_onexit cleanup 72 73log_must $ZFS create $TESTPOOL/$TESTFS2 74log_must $ZFS set mountpoint=$TESTDIR2 $TESTPOOL/$TESTFS2 75 76space_avail=`get_prop available $TESTPOOL` 77 78(( resv_size_set = space_avail - RESV_FREE_SPACE )) 79 80log_must $ZFS set reservation=$resv_size_set $TESTPOOL/$TESTFS 81 82(( write_count = ( RESV_FREE_SPACE + RESV_TOLERANCE ) / BLOCK_SIZE )) 83 84$FILE_WRITE -o create -f $TESTDIR2/$TESTFILE1 -b $BLOCK_SIZE -c $write_count -d 0 85ret=$? 86if [[ $ret != $ENOSPC ]]; then 87 log_fail "Did not get ENOSPC (got $ret) for non-reserved filesystem" 88fi 89 90(( write_count = ( RESV_FREE_SPACE - RESV_TOLERANCE ) / BLOCK_SIZE )) 91log_must $FILE_WRITE -o create -f $TESTDIR/$TESTFILE2 -b $BLOCK_SIZE -c $write_count -d 0 92 93log_pass "Reserved space preserved correctly" 94