From: Andreas Dilger <adilger@whamcloud.com>
Date: Sat, 10 Jun 2023 13:36:38 +0000 (-0600)
Subject: LU-16521 tests: racer should work without DNE
X-Git-Tag: 2.15.58~123
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=c6e65ef62fd6c5519e0e7c9fd7240e92a7b064f2;p=fs%2Flustre-release.git

LU-16521 tests: racer should work without DNE

Don't assume there are multiple MDTs for the target directory
when running dir_migrate and dir_remote.  If only one MDT
(or none, if running on a non-Lustre directory for some reason),
just exit from these workloads instead of spewing errors.

Test-parameters: trivial testlist=sanityn
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: I47cbe9de2c4f9afd79228b6a505dde023f2540e5
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/51267
Tested-by: Maloo <maloo@whamcloud.com>
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: Alex Deiter <alex.deiter@gmail.com>
Reviewed-by: Lai Siyao <lai.siyao@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---

diff --git a/lustre/tests/racer/dir_migrate.sh b/lustre/tests/racer/dir_migrate.sh
index 9c21146..761dee7 100755
--- a/lustre/tests/racer/dir_migrate.sh
+++ b/lustre/tests/racer/dir_migrate.sh
@@ -5,7 +5,7 @@ DIR=$1
 MAX=$2
 
 MDTCOUNT=${MDSCOUNT:-$($LFS df $DIR 2> /dev/null | grep -c MDT)}
-while /bin/true ; do
+while (( MDTCOUNT > 1 )) ; do
 	migrate_dir=$((RANDOM % MAX))
 	file=$((RANDOM % MAX))
 	mdt_idx=$((RANDOM % MDTCOUNT))
diff --git a/lustre/tests/racer/dir_remote.sh b/lustre/tests/racer/dir_remote.sh
index 5e6f197..d815ec8 100755
--- a/lustre/tests/racer/dir_remote.sh
+++ b/lustre/tests/racer/dir_remote.sh
@@ -5,7 +5,7 @@ DIR=$1
 MAX=$2
 
 MDTCOUNT=${MDSCOUNT:-$($LFS df $DIR 2> /dev/null | grep -c MDT)}
-while /bin/true ; do
+while (( MDTCOUNT > 1 )) ; do
 	remote_dir=$((RANDOM % MAX))
 	file=$((RANDOM % MAX))
 	mdt_idx=$((RANDOM % MDTCOUNT))