LU-15282 tests: relax test_51d thresholds somewhat

Added combinations for sanity.sh test_51d are failing some fraction
of the time.  Relax thresholds somewhat to avoid spurious failures,
while keeping added configs to detect major regressions.

Test-Parameters: trivial
Fixes: fd5c915eff ("LU-15282 tests: improve sanity test_51d coverage")
Signed-off-by: Andreas Dilger <adilger@whamcloud.com>
Change-Id: I2d28f77fa377a1eb96a00cf35827b9ebc5af806b
Reviewed-on: https://review.whamcloud.com/47978
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index e098c80..880259a 100755 (executable)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -5892,7 +5892,7 @@ test_51d_sub() {
 
        local nlast
        local min=4
-       local max=5 # allow variance of (1 - $min/$max) = 20% by default
+       local max=6 # allow variance of (1 - $min/$max) = 33% by default
 
        # For some combinations of stripecount and OSTCOUNT current code
        # is not ideal, and allocates 50% fewer *first* objects to some OSTs