[lvm-devel] master - tests: tune usage of smaller metadata
Zdenek Kabelac
zkabelac at sourceware.org
Sun Sep 13 22:16:47 UTC 2020
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=9c0d11ecc952ff32b3b5746478d9c76de761775e
Commit: 9c0d11ecc952ff32b3b5746478d9c76de761775e
Parent: 1005fd7b067320d03067229912bf4844d1a54836
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Sat Sep 12 19:06:05 2020 +0200
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Mon Sep 14 00:15:14 2020 +0200
tests: tune usage of smaller metadata
While the previous commit c9b40083fc34b5e2a1bfc7b251b38c0b8737483f
decresed version to 1.19 for using bigger datasets, it's not
been quite right - so from our bb machine it looks like
bigger metadata consumption started with 1.19 and kernel 4.18
(fc27)
---
test/shell/lvextend-thin-metadata-dmeventd.sh | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/test/shell/lvextend-thin-metadata-dmeventd.sh b/test/shell/lvextend-thin-metadata-dmeventd.sh
index 38a405668..ccdf9e853 100644
--- a/test/shell/lvextend-thin-metadata-dmeventd.sh
+++ b/test/shell/lvextend-thin-metadata-dmeventd.sh
@@ -19,6 +19,13 @@ export LVM_TEST_THIN_REPAIR_CMD=${LVM_TEST_THIN_REPAIR_CMD-/bin/false}
. lib/inittest
+
+# With thin-pool version >= 1.19 and kernel >= 4.18
+# slightly less metadata can fit.
+BIG_DATA="generate_more_metadata"
+aux target_at_least dm-thin-pool 1 19 0 && \
+ aux kernel_at_least 4 18 0 && BIG_DATA=""
+
meta_percent_() {
get lv_field $vg/pool metadata_percent | cut -d. -f1
}
@@ -91,7 +98,7 @@ lvchange -an $vg/pool
# Consume more then (100% - 4MiB) out of 32MiB metadata volume (>87.5%)
# (Test for less than 4MiB free space in metadata, which is less than 25%)
DATA=7200 # Newer version of thin-pool have hidden reserve, so use lower value
-aux target_at_least dm-thin-pool 1 19 0 || DATA=7400
+test -z "$BIG_DATA" || DATA=7400
fake_metadata_ "$DATA" 2 >data
"$LVM_TEST_THIN_RESTORE_CMD" -i data -o "$DM_DEV_DIR/mapper/$vg-$lv2"
# Swap volume with restored fake metadata
@@ -177,7 +184,7 @@ lvchange -an $vg
#
DATA=300 # Newer version of thin-pool have hidden reserve, so use lower value
-aux target_at_least dm-thin-pool 1 19 0 || DATA=350
+test -z "$BIG_DATA" || DATA=350
fake_metadata_ $DATA 2 >data
lvchange -ay $vg/$lv1
"$LVM_TEST_THIN_RESTORE_CMD" -i data -o "$DM_DEV_DIR/mapper/$vg-$lv1"
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