From c1c987503412a8e98e40da2548c6b78888535641 Mon Sep 17 00:00:00 2001 From: Filipe Manana Date: Wed, 17 May 2017 02:41:31 +0100 Subject: btrfs-progs: test for restoring multiple devices fs into a single device Test that we are able to create an image from a multiple devices fs, that we are able to restore that image into a single device and finally that we are able to mount it. Signed-off-by: Filipe Manana Reviewed-by: Liu Bo [ added shell quotation and chmod a+w so testsuite on NFS works ] Signed-off-by: David Sterba --- tests/misc-tests/021-image-multi-devices/test.sh | 50 ++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100755 tests/misc-tests/021-image-multi-devices/test.sh (limited to 'tests/misc-tests') diff --git a/tests/misc-tests/021-image-multi-devices/test.sh b/tests/misc-tests/021-image-multi-devices/test.sh new file mode 100755 index 00000000..abf67f90 --- /dev/null +++ b/tests/misc-tests/021-image-multi-devices/test.sh @@ -0,0 +1,50 @@ +#!/bin/bash +# Test btrfs-image with multiple devices filesystem and verify that restoring +# the created image works against a single device. + +source "$TOP/tests/common" + +check_prereq btrfs-image +check_prereq mkfs.btrfs +check_prereq btrfs + +setup_root_helper + +rm -f dev1 dev2 +run_check truncate -s 2G dev1 +run_check truncate -s 2G dev2 +chmod a+w dev1 dev2 + +loop1=$(run_check_stdout $SUDO_HELPER losetup --find --show dev1) +loop2=$(run_check_stdout $SUDO_HELPER losetup --find --show dev2) + +# Create the test file system. + +run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f $loop1 $loop2 +run_check $SUDO_HELPER mount $loop1 "$TEST_MNT" +run_check $SUDO_HELPER dd bs=1M count=1 if=/dev/zero "of=$TEST_MNT/foobar" +orig_md5=$(run_check_stdout md5sum "$TEST_MNT/foobar" | cut -d ' ' -f 1) +run_check $SUDO_HELPER umount "$TEST_MNT" + +# Create the image to restore later. +run_check $SUDO_HELPER "$TOP/btrfs-image" $loop1 "$IMAGE" + +# Wipe out the filesystem from the devices, restore the image on a single +# device, check everything works and file foobar is there and with 1Mb of +# zeroes. +run_check $SUDO_HELPER wipefs -a $loop1 +run_check $SUDO_HELPER wipefs -a $loop2 + +run_check $SUDO_HELPER $TOP/btrfs-image -r "$IMAGE" $loop1 + +run_check $SUDO_HELPER mount $loop1 "$TEST_MNT" +new_md5=$(run_check_stdout md5sum "$TEST_MNT/foobar" | cut -d ' ' -f 1) +run_check $SUDO_HELPER umount "$TEST_MNT" + +# Cleanup loop devices. +run_check $SUDO_HELPER losetup -d $loop1 +run_check $SUDO_HELPER losetup -d $loop2 +rm -f dev1 dev2 + +# Compare the file digests. +[ $orig_md5 == $new_md5 ] || _fail "File digests do not match" -- cgit v1.2.3