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tests: lower memory usage

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Reduce memory needed by test at one time.
This commit is contained in:
Zdenek Kabelac 2020-09-17 23:25:23 +02:00
parent 72b931d664
commit 7f019f2580
1 changed files with 12 additions and 8 deletions
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20
test/shell/integrity.sh
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@ -24,8 +24,9 @@ mkdir -p $mnt
aux prepare_devs 5 64
printf "%0.sA" {1..16384} >> fileA
printf "%0.sB" {1..16384} >> fileB
printf "%0.sC" {1..16384} >> fileC
# instead of long debug 'printf' log use 'sed' and just replace A->B|C
sed -e 's,A,B,g' fileA > fileB
sed -e 's,A,C,g' fileA > fileC
# generate random data
dd if=/dev/urandom of=randA bs=512K count=2
@ -35,11 +36,11 @@ dd if=/dev/urandom of=randC bs=512K count=4
_prepare_vg() {
# zero devs so we are sure to find the correct file data
# on the underlying devs when corrupting it
dd if=/dev/zero of="$dev1" || true
dd if=/dev/zero of="$dev2" || true
dd if=/dev/zero of="$dev3" || true
dd if=/dev/zero of="$dev4" || true
dd if=/dev/zero of="$dev5" || true
dd if=/dev/zero of="$dev1" bs=1M || true
dd if=/dev/zero of="$dev2" bs=1M || true
dd if=/dev/zero of="$dev3" bs=1M || true
dd if=/dev/zero of="$dev4" bs=1M || true
dd if=/dev/zero of="$dev5" bs=1M || true
vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5"
pvs
}
@ -66,10 +67,13 @@ _test_fs_with_error() {
# on the last 4096 byte block.
xxd "$dev1" > dev1.txt
tac dev1.txt > dev1.rev
rm -f dev1.txt
sed -e '0,/4242 4242 4242 4242 4242 4242 4242 4242/ s/4242 4242 4242 4242 4242 4242 4242 4242/4242 4242 4242 4242 4242 4242 4242 4243/' dev1.rev > dev1.rev.bad
rm -f dev1.rev
tac dev1.rev.bad > dev1.bad
rm -f dev1.rev.bad
xxd -r dev1.bad > "$dev1"
rm dev1.txt dev1.rev dev1.rev.bad dev1.bad
rm -f dev1.bad
lvchange -ay $vg/$lv1
mount "$DM_DEV_DIR/$vg/$lv1" $mnt