Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=54de0d829b0e07ee48e92d... Commit: 54de0d829b0e07ee48e92d68b428dfed8d6d7bf1 Parent: a53024cafccf1fd0eee02a63336247923dd72ce1 Author: Zdenek Kabelac zkabelac@redhat.com AuthorDate: Mon Nov 19 13:15:05 2018 +0100 Committer: Zdenek Kabelac zkabelac@redhat.com CommitterDate: Mon Nov 19 13:16:03 2018 +0100
tests: speed-up testing full of lvm2 metadata
Generate faster full metadata condition.
FIXME: vgremove is extremaly slow with larger set of LVs. --- test/shell/metadata-full.sh | 69 ++++++++++++++++++++++++++++++++---------- 1 files changed, 52 insertions(+), 17 deletions(-)
diff --git a/test/shell/metadata-full.sh b/test/shell/metadata-full.sh index 388ebcd..eb617ee 100644 --- a/test/shell/metadata-full.sh +++ b/test/shell/metadata-full.sh @@ -16,21 +16,22 @@ SKIP_WITH_LVMPOLLD=1
. lib/inittest
+# this test needs lot of memory +test "$(aux total_mem)" -gt 524288 || skip + LVM_TEST_PVS=${LVM_TEST_PVS:-64}
# aux prepare_vg $LVM_TEST_PVS
unset LVM_LOG_FILE_MAX_LINES
-aux prepare_devs 64 +aux prepare_devs 64 1000 get_devs
vgcreate $SHARED -s 512K --metadatacopies 8 $vg "${DEVICES[@]}"
-# have tested to see how many LVs can be created in a -# vg set up like this and it's around 1190, so pick a -# number less than that but over 1024 (in case there's -# some issue at the number 1024 we want to find it.) + +# Create a large metadata set, that getting close to 1/2MiB in size # # uses long tags to increase the size of the metadata # more quickly @@ -40,15 +41,46 @@ vgcreate $SHARED -s 512K --metadatacopies 8 $vg "${DEVICES[@]}" # based on how much metadata it produces at the time this # is written.
+vgcfgbackup -f data $vg +TEST_DEVS=930 +# Generate a lot of LV devices (size of 1 extent) +awk -v TEST_DEVS=$TEST_DEVS '/^\t}/ { + printf("\t}\n\tlogical_volumes {\n"); + cnt=0; + for (i = 0; i < TEST_DEVS; i++) { + printf("\t\tlvol%d {\n", i); + printf("\t\t\tid = "%06d-1111-2222-3333-2222-1111-%06d"\n", i, i); + print "\t\t\tstatus = ["READ", "WRITE", "VISIBLE"]"; + print "\t\t\ttags = ["A123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"]"; + print "\t\t\tsegment_count = 1"; + print "\t\t\tsegment1 {"; + print "\t\t\t\tstart_extent = 0"; + print "\t\t\t\textent_count = 1"; + print "\t\t\t\ttype = "striped""; + print "\t\t\t\tstripe_count = 1"; + print "\t\t\t\tstripes = ["; + print "\t\t\t\t\t"pv0", " cnt++; + printf("\t\t\t\t]\n\t\t\t}\n\t\t}\n"); + } + } + {print} +' data >data_new +# Restoring big data set of LVs +vgcfgrestore -f data_new $vg
-for i in `seq 1 1050`; do lvcreate -l1 -an --addtag A123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg; done
# should show non-zero vgs -o+pv_mda_free
# these addtag's will fail at some point when metadata space is full
-for i in `seq 1 1050`; do lvchange --addtag B123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg/lvol$i || true; done +for i in $(seq 1 "$TEST_DEVS"); do + lvchange --addtag B123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg/lvol$i || break; +done + +# test we hit 'out-of-metadata-space' +test "$i" -gt 5 +test "$i" -lt "$TEST_DEVS"
# should show 0 vgs -o+pv_mda_free @@ -57,14 +89,18 @@ check vg_field $vg vg_mda_free 0 # remove some of the tags to check that we can reduce the size of the # metadata, and continue using the vg
-for i in `seq 1 50`; do lvchange --deltag B123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg/lvol$i || true; done +for j in $(seq 1 "$i"); do + lvchange --deltag B123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg/lvol$j; +done
# should show non-zero vgs -o+pv_mda_free
# these will fail at some point when metadata space is full again
-for i in `seq 1 50`; do lvcreate -l1 -an --addtag C123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg || true; done +for i in $(seq 1 50); do + lvcreate -l1 -an --addtag C123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 $vg || break; +done
# should show 0 vgs -o+pv_mda_free @@ -76,21 +112,20 @@ check vg_field $vg vg_mda_free 0
time vgs
-vgchange -ay $vg - -time vgs - -vgchange -an $vg +# Avoid activation of large set of volumes - this is tested in vgchange-many.sh +#vgchange -ay $vg +#vgchange -an $vg
# see if we can remove LVs to make more metadata space, # and then create more LVs
-for i in `seq 1 50`; do lvremove -y $vg/lvol$i; done +for i in $(seq 1 30); do lvremove -y $vg/lvol$i; done
-for i in `seq 1 10`; do lvcreate -l1 $vg; done +for i in $(seq 1 10); do lvcreate -l1 $vg; done
# should show non-zero vgs -o+pv_mda_free
+# FIXME: +# takes extreme amount of time, despite the fact, there are only few LVs active. vgremove -ff $vg -