From: Artem Blagodarenko <ablagodarenko@ddn.com>
Date: Wed, 12 Jun 2024 13:54:18 +0000 (+0100)
Subject: EX-9889 csdc: migrate to another compression level
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=5cc56c9533c97de72e263db0e8a59fa8fc030e5d;p=fs%2Flustre-release.git

EX-9889 csdc: migrate to another compression level

Here is a test there lfs migrate with changed
compression level.

Test-Parameters: trivial env=ONLY=1030 testlist=sanity-compr
Signed-off-by: Artem Blagodarenko <ablagodarenko@ddn.com>
Change-Id: Ia67316a247fed99f6ad002c8b67053a3c2fa0cff
Reviewed-on: https://review.whamcloud.com/c/ex/lustre-release/+/55407
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Colin Faber <cfaber@ddn.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
---

diff --git a/lustre/tests/sanity-compr.sh b/lustre/tests/sanity-compr.sh
index 17d8d1d..06c6ea0 100644
--- a/lustre/tests/sanity-compr.sh
+++ b/lustre/tests/sanity-compr.sh
@@ -1532,6 +1532,49 @@ test_1021() {
 }
 run_test 1021 "change file compressibiblity"
 
+test_1030() {
+	(( MDS1_VERSION >= $(version_code 2.14.0-ddn153) )) ||
+		skip "Need MDS version at least 2.14.0-ddn153"
+
+	test_mkdir -p $DIR/$tdir
+	local tf=$DIR/$tdir/$tfile
+	local hdf=$LUSTRE/tests/AMSR_E_L3_DailyOcean_V05_20111003.hdf
+	local tmp_hdf=$TMP/$tfile.hdf
+	local size1
+	local size2
+
+	if [[ ! -f $tmp_hdf ]]; then
+		if [[ -f $hdf.bz2 ]] && type -p bzcat >/dev/null; then
+			bzcat $hdf.bz2 > $tmp_hdf
+		elif [[ -f $hdf.bz2 ]] && type -p bunzip2 >/dev/null; then
+			cp $hdf.bz2 $tmp_hdf.bz2 || error "cp $tmp_hdf.bz2"
+			bunzip2 $tmp_hdf.bz2 || error "bunzip2 $tmp_hdf.bz2"
+		else
+			skip_env "bunzip2 is not installed"
+		fi
+	fi
+
+	stack_trap "rm -f $tf"
+	compression_enabled || skip "compression is disabled ($(uname -a))"
+
+	$LFS setstripe -E-1 -c1 -Z lz4fast:3 --compress-chunk=64 $tf ||
+		error "set a compress component in $tf failed"
+
+	cp $tmp_hdf $tf
+	sync ; sync
+	size1=$(du -sk $tf | awk '{print $1}')
+	echo "compressed size with lz4fast:3: $size1"
+
+	$LFS migrate -E eof -Z lz4:6 $tf || error "migrate failed"
+	sync ; sync
+	size2=$(du -sk $tf | awk '{print $1}')
+	echo "compressed size with lz4:6: $size2"
+
+	(( $size2 < $size1 )) ||
+		error "lz4:6 ($size2) should be less than lz4:3 ($size1)"
+}
+run_test 1030 "Migrate to another compression level"
+
 test_1080() {
 	(( MDS1_VERSION >= $(version_code 2.14.0-ddn128) )) ||
 		skip "Need MDS version at least 2.14.0-ddn128"