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 regular volume (with implicit 39f38cb554SJohn Wren Kennedy# reservation) destroying the volume should allow more data to be written 40f38cb554SJohn Wren Kennedy# to the filesystem 41f38cb554SJohn Wren Kennedy# 42f38cb554SJohn Wren Kennedy# 43f38cb554SJohn Wren Kennedy# STRATEGY: 44f38cb554SJohn Wren Kennedy# 1) Create a regular (non-sparse) volume 45f38cb554SJohn Wren Kennedy# 2) Create a filesystem at the same level 46f38cb554SJohn Wren Kennedy# 3) Fill up the filesystem 47f38cb554SJohn Wren Kennedy# 4) Destroy the volume 48f38cb554SJohn Wren Kennedy# 5) Verify can write more data to the filesystem 49f38cb554SJohn Wren Kennedy# 50f38cb554SJohn Wren Kennedy 51f38cb554SJohn Wren Kennedyverify_runnable "global" 52f38cb554SJohn Wren Kennedy 53f38cb554SJohn Wren Kennedylog_assert "Destroying a regular volume with reservation allows more data to" \ 54f38cb554SJohn Wren Kennedy " be written to top level filesystem" 55f38cb554SJohn Wren Kennedy 56f38cb554SJohn Wren Kennedyfunction cleanup 57f38cb554SJohn Wren Kennedy{ 58f38cb554SJohn Wren Kennedy datasetexists $TESTPOOL/$TESTVOL && \ 59*1d32ba66SJohn Wren Kennedy log_must zfs destroy $TESTPOOL/$TESTVOL 60f38cb554SJohn Wren Kennedy 61*1d32ba66SJohn Wren Kennedy [[ -e $TESTDIR/$TESTFILE1 ]] && log_must rm -rf $TESTDIR/$TESTFILE1 62*1d32ba66SJohn Wren Kennedy [[ -e $TESTDIR/$TESTFILE2 ]] && log_must rm -rf $TESTDIR/$TESTFILE2 63f38cb554SJohn Wren Kennedy} 64f38cb554SJohn Wren Kennedylog_onexit cleanup 65f38cb554SJohn Wren Kennedy 66f38cb554SJohn Wren Kennedyspace_avail=$(largest_volsize_from_pool $TESTPOOL) 67f38cb554SJohn Wren Kennedy 68f38cb554SJohn Wren Kennedy# 69f38cb554SJohn Wren Kennedy# To make sure this test doesn't take too long to execute on 70f38cb554SJohn Wren Kennedy# large pools, we calculate a volume size which will ensure we 71f38cb554SJohn Wren Kennedy# have RESV_FREE_SPACE left free in the pool. 72f38cb554SJohn Wren Kennedy# 73f38cb554SJohn Wren Kennedy((vol_set_size = space_avail - RESV_FREE_SPACE)) 74f38cb554SJohn Wren Kennedyvol_set_size=$(floor_volsize $vol_set_size) 75f38cb554SJohn Wren Kennedy 76f38cb554SJohn Wren Kennedy# Creating a regular volume implicitly sets its reservation 77f38cb554SJohn Wren Kennedy# property to the same value. 78*1d32ba66SJohn Wren Kennedylog_must zfs create -V $vol_set_size $TESTPOOL/$TESTVOL 79f38cb554SJohn Wren Kennedy 80f38cb554SJohn Wren Kennedyspace_avail_still=$(get_prop available $TESTPOOL) 81f38cb554SJohn Wren Kennedyfill_size=$((space_avail_still + $RESV_TOLERANCE)) 82f38cb554SJohn Wren Kennedywrite_count=$((fill_size / BLOCK_SIZE)) 83f38cb554SJohn Wren Kennedy 84f38cb554SJohn Wren Kennedy# Now fill up the filesystem (which doesn't have a reservation set 85f38cb554SJohn Wren Kennedy# and thus will use up whatever free space is left in the pool). 86*1d32ba66SJohn Wren Kennedyfile_write -o create -f $TESTDIR/$TESTFILE1 -b $BLOCK_SIZE -c $write_count -d 0 87f38cb554SJohn Wren Kennedyret=$? 88f38cb554SJohn Wren Kennedyif (($ret != $ENOSPC)); then 89f38cb554SJohn Wren Kennedy log_fail "Did not get ENOSPC as expected (got $ret)." 90f38cb554SJohn Wren Kennedyfi 91f38cb554SJohn Wren Kennedy 92*1d32ba66SJohn Wren Kennedylog_must zfs destroy -f $TESTPOOL/$TESTVOL 93f38cb554SJohn Wren Kennedy 94*1d32ba66SJohn Wren Kennedylog_must file_write -o create -f $TESTDIR/$TESTFILE2 -b pagesize \ 95f38cb554SJohn Wren Kennedy -c 1000 -d 0 96f38cb554SJohn Wren Kennedy 97f38cb554SJohn Wren Kennedylog_pass "Destroying volume with reservation allows more data to be written " \ 98f38cb554SJohn Wren Kennedy "to top level filesystem" 99