1f38cb554SJohn Wren Kennedy#!/usr/bin/bash -p 2f38cb554SJohn Wren Kennedy# 3f38cb554SJohn Wren Kennedy# CDDL HEADER START 4f38cb554SJohn Wren Kennedy# 5f38cb554SJohn Wren Kennedy# The contents of this file are subject to the terms of the 6f38cb554SJohn Wren Kennedy# Common Development and Distribution License (the "License"). 7f38cb554SJohn Wren Kennedy# You may not use this file except in compliance with the License. 8f38cb554SJohn Wren Kennedy# 9f38cb554SJohn Wren Kennedy# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10f38cb554SJohn Wren Kennedy# or http://www.opensolaris.org/os/licensing. 11f38cb554SJohn Wren Kennedy# See the License for the specific language governing permissions 12f38cb554SJohn Wren Kennedy# and limitations under the License. 13f38cb554SJohn Wren Kennedy# 14f38cb554SJohn Wren Kennedy# When distributing Covered Code, include this CDDL HEADER in each 15f38cb554SJohn Wren Kennedy# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16f38cb554SJohn Wren Kennedy# If applicable, add the following below this CDDL HEADER, with the 17f38cb554SJohn Wren Kennedy# fields enclosed by brackets "[]" replaced with your own identifying 18f38cb554SJohn Wren Kennedy# information: Portions Copyright [yyyy] [name of copyright owner] 19f38cb554SJohn Wren Kennedy# 20f38cb554SJohn Wren Kennedy# CDDL HEADER END 21f38cb554SJohn Wren Kennedy# 22f38cb554SJohn Wren Kennedy 23f38cb554SJohn Wren Kennedy# 24f38cb554SJohn Wren Kennedy# Copyright 2007 Sun Microsystems, Inc. All rights reserved. 25f38cb554SJohn Wren Kennedy# Use is subject to license terms. 26f38cb554SJohn Wren Kennedy# 27f38cb554SJohn Wren Kennedy 28f38cb554SJohn Wren Kennedy# 29*1d32ba66SJohn Wren Kennedy# Copyright (c) 2013, 2016 by Delphix. All rights reserved. 30f38cb554SJohn Wren Kennedy# 31f38cb554SJohn Wren Kennedy 32f38cb554SJohn Wren Kennedy. $STF_SUITE/include/libtest.shlib 33f38cb554SJohn Wren Kennedy. $STF_SUITE/tests/functional/reservation/reservation.shlib 34f38cb554SJohn Wren Kennedy 35f38cb554SJohn Wren Kennedy# 36f38cb554SJohn Wren Kennedy# DESCRIPTION: 37f38cb554SJohn Wren Kennedy# 38f38cb554SJohn Wren Kennedy# In pool with a full filesystem and a filesystem with a reservation 39f38cb554SJohn Wren Kennedy# destroying another filesystem should allow more data to be written to 40f38cb554SJohn Wren Kennedy# the full filesystem 41f38cb554SJohn Wren Kennedy# 42f38cb554SJohn Wren Kennedy# 43f38cb554SJohn Wren Kennedy# STRATEGY: 44f38cb554SJohn Wren Kennedy# 1) Create a filesystem as dataset 45f38cb554SJohn Wren Kennedy# 2) Create a filesystem at the same level 46f38cb554SJohn Wren Kennedy# 3) Set a reservation on the dataset filesystem 47f38cb554SJohn Wren Kennedy# 4) Fill up the second filesystem 48f38cb554SJohn Wren Kennedy# 5) Destroy the dataset filesystem 49f38cb554SJohn Wren Kennedy# 6) Verify can write more data to the full filesystem 50f38cb554SJohn Wren Kennedy# 51f38cb554SJohn Wren Kennedy 52f38cb554SJohn Wren Kennedyverify_runnable "both" 53f38cb554SJohn Wren Kennedy 54f38cb554SJohn Wren Kennedylog_assert "Destroying top level filesystem with reservation allows more " \ 55f38cb554SJohn Wren Kennedy "data to be written to another top level filesystem" 56f38cb554SJohn Wren Kennedy 57f38cb554SJohn Wren Kennedyfunction cleanup 58f38cb554SJohn Wren Kennedy{ 59f38cb554SJohn Wren Kennedy datasetexists $TESTPOOL/$TESTFS1 && \ 60*1d32ba66SJohn Wren Kennedy log_must zfs destroy $TESTPOOL/$TESTFS1 61f38cb554SJohn Wren Kennedy 62*1d32ba66SJohn Wren Kennedy [[ -e $TESTDIR/$TESTFILE1 ]] && log_must rm -rf $TESTDIR/$TESTFILE1 63*1d32ba66SJohn Wren Kennedy [[ -e $TESTDIR/$TESTFILE2 ]] && log_must rm -rf $TESTDIR/$TESTFILE2 64f38cb554SJohn Wren Kennedy} 65f38cb554SJohn Wren Kennedy 66f38cb554SJohn Wren Kennedylog_onexit cleanup 67f38cb554SJohn Wren Kennedy 68*1d32ba66SJohn Wren Kennedylog_must zfs create $TESTPOOL/$TESTFS1 69f38cb554SJohn Wren Kennedy 70f38cb554SJohn Wren Kennedyspace_avail=`get_prop available $TESTPOOL` 71f38cb554SJohn Wren Kennedy 72f38cb554SJohn Wren Kennedy# 73f38cb554SJohn Wren Kennedy# To make sure this test doesn't take too long to execute on 74f38cb554SJohn Wren Kennedy# large pools, we calculate a reservation setting which when 75f38cb554SJohn Wren Kennedy# applied to the dataset filesystem will ensure we have 76f38cb554SJohn Wren Kennedy# RESV_FREE_SPACE left free in the pool. 77f38cb554SJohn Wren Kennedy# 78f38cb554SJohn Wren Kennedy((resv_size_set = space_avail - RESV_FREE_SPACE)) 79f38cb554SJohn Wren Kennedy 80*1d32ba66SJohn Wren Kennedylog_must zfs set reservation=$resv_size_set $TESTPOOL/$TESTFS1 81f38cb554SJohn Wren Kennedy 82f38cb554SJohn Wren Kennedyspace_avail_still=`get_prop available $TESTPOOL` 83f38cb554SJohn Wren Kennedy 84f38cb554SJohn Wren Kennedyfill_size=`expr $space_avail_still + $RESV_TOLERANCE` 85f38cb554SJohn Wren Kennedywrite_count=`expr $fill_size / $BLOCK_SIZE` 86f38cb554SJohn Wren Kennedy 87f38cb554SJohn Wren Kennedy# Now fill up the filesystem (which doesn't have a reservation set 88f38cb554SJohn Wren Kennedy# and thus will use up whatever free space is left in the pool). 89*1d32ba66SJohn Wren Kennedyfile_write -o create -f $TESTDIR/$TESTFILE1 -b $BLOCK_SIZE -c $write_count -d 0 90f38cb554SJohn Wren Kennedyret=$? 91f38cb554SJohn Wren Kennedyif (($ret != $ENOSPC)); then 92f38cb554SJohn Wren Kennedy log_fail "Did not get ENOSPC as expected (got $ret)." 93f38cb554SJohn Wren Kennedyfi 94f38cb554SJohn Wren Kennedy 95*1d32ba66SJohn Wren Kennedylog_must zfs destroy -f $TESTPOOL/$TESTFS1 96f38cb554SJohn Wren Kennedy 97*1d32ba66SJohn Wren Kennedylog_must file_write -o create -f $TESTDIR/$TESTFILE2 -b pagesize \ 98f38cb554SJohn Wren Kennedy -c 1000 -d 0 99f38cb554SJohn Wren Kennedy 100f38cb554SJohn Wren Kennedylog_pass "Destroying top level filesystem with reservation allows more data " \ 101f38cb554SJohn Wren Kennedy "to be written to another top level filesystem" 102