From: Wei Liu <sarah@whamcloud.com>
Date: Tue, 3 Oct 2023 22:31:52 +0000 (-0700)
Subject: LU-10026 tests: Fix sanity test_56ab for CSDC
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=1ce661dd56fb4b6ecc9e909805c6101bbd9c3161;p=fs%2Flustre-release.git

LU-10026 tests: Fix sanity test_56ab for CSDC

Use /dev/urandom in sanity test_56ab so the data cannot be compressed

Test-Parameters: trivial testlist=sanity env=ONLY=56ab

Signed-off-by: Wei Liu <sarah@whamcloud.com>
Change-Id: Ib0108f4507a7b46ad5ca973ef43351e005232edf
---

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 56740d7..604ea41 100755
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -8549,9 +8549,9 @@ run_test 56aa "lfs find --size under striped dir"
 
 test_56ab() { # LU-10705
 	test_mkdir $DIR/$tdir
-	dd if=/dev/zero of=$DIR/$tdir/$tfile.1 bs=8k count=1 seek=2k
-	dd if=/dev/zero of=$DIR/$tdir/$tfile.2 bs=4k count=1 seek=4k
-	dd if=/dev/zero of=$DIR/$tdir/$tfile.3 bs=1M count=2 seek=16
+	dd if=/dev/urandom of=$DIR/$tdir/$tfile.1 bs=8k count=1 seek=2k
+	dd if=/dev/urandom of=$DIR/$tdir/$tfile.2 bs=4k count=1 seek=4k
+	dd if=/dev/urandom of=$DIR/$tdir/$tfile.3 bs=1M count=2 seek=16
 	# Flush writes to ensure valid blocks.  Need to be more thorough for
 	# ZFS, since blocks are not allocated/returned to client immediately.
 	sync_all_data