1*6f793812SPavel Zakharov#!/usr/bin/ksh -p 2*6f793812SPavel Zakharov 3*6f793812SPavel Zakharov# 4*6f793812SPavel Zakharov# This file and its contents are supplied under the terms of the 5*6f793812SPavel Zakharov# Common Development and Distribution License ("CDDL"), version 1.0. 6*6f793812SPavel Zakharov# You may only use this file in accordance with the terms of version 7*6f793812SPavel Zakharov# 1.0 of the CDDL. 8*6f793812SPavel Zakharov# 9*6f793812SPavel Zakharov# A full copy of the text of the CDDL should have accompanied this 10*6f793812SPavel Zakharov# source. A copy of the CDDL is also available via the Internet at 11*6f793812SPavel Zakharov# http://www.illumos.org/license/CDDL. 12*6f793812SPavel Zakharov# 13*6f793812SPavel Zakharov 14*6f793812SPavel Zakharov# 15*6f793812SPavel Zakharov# Copyright (c) 2016 by Delphix. All rights reserved. 16*6f793812SPavel Zakharov# 17*6f793812SPavel Zakharov 18*6f793812SPavel Zakharov. $STF_SUITE/tests/functional/cli_root/zpool_import/zpool_import.kshlib 19*6f793812SPavel Zakharov 20*6f793812SPavel Zakharov# 21*6f793812SPavel Zakharov# DESCRIPTION: 22*6f793812SPavel Zakharov# A pool should be importable when up to 2 top-level devices are missing. 23*6f793812SPavel Zakharov# 24*6f793812SPavel Zakharov# STRATEGY: 25*6f793812SPavel Zakharov# 1. Create a pool. 26*6f793812SPavel Zakharov# 2. Write some data to the pool and checksum it. 27*6f793812SPavel Zakharov# 3. Add one or more devices. 28*6f793812SPavel Zakharov# 4. Write more data to the pool and checksum it. 29*6f793812SPavel Zakharov# 5. Export the pool. 30*6f793812SPavel Zakharov# 6. Move added devices out of the devices directory. 31*6f793812SPavel Zakharov# 7. Import the pool with missing devices. 32*6f793812SPavel Zakharov# 8. Verify that the first batch of data is intact. 33*6f793812SPavel Zakharov# 9. Verify that accessing the second batch of data doesn't suspend pool. 34*6f793812SPavel Zakharov# 10. Export the pool, move back missing devices, Re-import the pool. 35*6f793812SPavel Zakharov# 11. Verify that all the data is intact. 36*6f793812SPavel Zakharov# 37*6f793812SPavel Zakharov 38*6f793812SPavel Zakharovverify_runnable "global" 39*6f793812SPavel Zakharov 40*6f793812SPavel Zakharovfunction custom_cleanup 41*6f793812SPavel Zakharov{ 42*6f793812SPavel Zakharov log_must set_spa_load_verify_metadata 1 43*6f793812SPavel Zakharov log_must set_spa_load_verify_data 1 44*6f793812SPavel Zakharov log_must set_zfs_max_missing_tvds 0 45*6f793812SPavel Zakharov log_must rm -rf $BACKUP_DEVICE_DIR 46*6f793812SPavel Zakharov # Highly damaged pools may fail to be destroyed, so we export them. 47*6f793812SPavel Zakharov poolexists $TESTPOOL1 && log_must zpool export $TESTPOOL1 48*6f793812SPavel Zakharov cleanup 49*6f793812SPavel Zakharov} 50*6f793812SPavel Zakharov 51*6f793812SPavel Zakharovlog_onexit custom_cleanup 52*6f793812SPavel Zakharov 53*6f793812SPavel Zakharovfunction test_devices_missing 54*6f793812SPavel Zakharov{ 55*6f793812SPavel Zakharov typeset poolcreate="$1" 56*6f793812SPavel Zakharov typeset addvdevs="$2" 57*6f793812SPavel Zakharov typeset missingvdevs="$3" 58*6f793812SPavel Zakharov typeset -i missingtvds="$4" 59*6f793812SPavel Zakharov 60*6f793812SPavel Zakharov log_note "$0: pool '$poolcreate', adding $addvdevs, then" \ 61*6f793812SPavel Zakharov "moving away $missingvdevs." 62*6f793812SPavel Zakharov 63*6f793812SPavel Zakharov log_must zpool create $TESTPOOL1 $poolcreate 64*6f793812SPavel Zakharov 65*6f793812SPavel Zakharov log_must generate_data $TESTPOOL1 $MD5FILE "first" 66*6f793812SPavel Zakharov 67*6f793812SPavel Zakharov log_must zpool add $TESTPOOL1 $addvdevs 68*6f793812SPavel Zakharov 69*6f793812SPavel Zakharov log_must generate_data $TESTPOOL1 $MD5FILE2 "second" 70*6f793812SPavel Zakharov 71*6f793812SPavel Zakharov log_must zpool export $TESTPOOL1 72*6f793812SPavel Zakharov 73*6f793812SPavel Zakharov log_must mv $missingvdevs $BACKUP_DEVICE_DIR 74*6f793812SPavel Zakharov 75*6f793812SPavel Zakharov # Tell zfs that it is ok to import a pool with missing top-level vdevs 76*6f793812SPavel Zakharov log_must set_zfs_max_missing_tvds $missingtvds 77*6f793812SPavel Zakharov # Missing devices means that data or metadata may be corrupted. 78*6f793812SPavel Zakharov (( missingtvds > 1 )) && log_must set_spa_load_verify_metadata 0 79*6f793812SPavel Zakharov log_must set_spa_load_verify_data 0 80*6f793812SPavel Zakharov log_must zpool import -o readonly=on -d $DEVICE_DIR $TESTPOOL1 81*6f793812SPavel Zakharov 82*6f793812SPavel Zakharov log_must verify_data_md5sums $MD5FILE 83*6f793812SPavel Zakharov 84*6f793812SPavel Zakharov log_note "Try reading second batch of data, make sure pool doesn't" \ 85*6f793812SPavel Zakharov "get suspended." 86*6f793812SPavel Zakharov verify_data_md5sums $MD5FILE >/dev/null 2>&1 87*6f793812SPavel Zakharov 88*6f793812SPavel Zakharov log_must zpool export $TESTPOOL1 89*6f793812SPavel Zakharov 90*6f793812SPavel Zakharov typeset newpaths=$(echo "$missingvdevs" | \ 91*6f793812SPavel Zakharov sed "s:$DEVICE_DIR:$BACKUP_DEVICE_DIR:g") 92*6f793812SPavel Zakharov log_must mv $newpaths $DEVICE_DIR 93*6f793812SPavel Zakharov log_must set_spa_load_verify_metadata 1 94*6f793812SPavel Zakharov log_must set_spa_load_verify_data 1 95*6f793812SPavel Zakharov log_must set_zfs_max_missing_tvds 0 96*6f793812SPavel Zakharov log_must zpool import -d $DEVICE_DIR $TESTPOOL1 97*6f793812SPavel Zakharov 98*6f793812SPavel Zakharov log_must verify_data_md5sums $MD5FILE 99*6f793812SPavel Zakharov log_must verify_data_md5sums $MD5FILE2 100*6f793812SPavel Zakharov 101*6f793812SPavel Zakharov # Cleanup 102*6f793812SPavel Zakharov log_must zpool destroy $TESTPOOL1 103*6f793812SPavel Zakharov 104*6f793812SPavel Zakharov log_note "" 105*6f793812SPavel Zakharov} 106*6f793812SPavel Zakharov 107*6f793812SPavel Zakharovlog_must mkdir $BACKUP_DEVICE_DIR 108*6f793812SPavel Zakharov 109*6f793812SPavel Zakharovtest_devices_missing "$VDEV0" "$VDEV1" "$VDEV1" 1 110*6f793812SPavel Zakharovtest_devices_missing "$VDEV0" "$VDEV1 $VDEV2" "$VDEV1" 1 111*6f793812SPavel Zakharovtest_devices_missing "mirror $VDEV0 $VDEV1" "mirror $VDEV2 $VDEV3" \ 112*6f793812SPavel Zakharov "$VDEV2 $VDEV3" 1 113*6f793812SPavel Zakharovtest_devices_missing "$VDEV0 log $VDEV1" "$VDEV2" "$VDEV2" 1 114*6f793812SPavel Zakharov 115*6f793812SPavel Zakharov# 116*6f793812SPavel Zakharov# Note that we are testing for 2 non-consecutive missing devices. 117*6f793812SPavel Zakharov# Missing consecutive devices results in missing metadata. Because of 118*6f793812SPavel Zakharov# Missing metadata can cause the root dataset to fail to mount. 119*6f793812SPavel Zakharov# 120*6f793812SPavel Zakharovtest_devices_missing "$VDEV0" "$VDEV1 $VDEV2 $VDEV3" "$VDEV1 $VDEV3" 2 121*6f793812SPavel Zakharov 122*6f793812SPavel Zakharovlog_pass "zpool import succeeded with missing devices." 123