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Fix the divisibility check in the allocator for the mirror+stripe case (require

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divisibility by stripe count alone, not by (mirror*stripe)).
This commit is contained in:
Petr Rockai 2011-09-16 09:59:42 +00:00
parent 396ebcef66
commit 02155338a6
2 changed files with 69 additions and 3 deletions
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5
lib/metadata/lv_manip.c
View File

@ -1918,9 +1918,10 @@ static int _allocate(struct alloc_handle *ah,
}
if (ah->area_multiple > 1 &&
(ah->new_extents - alloc_state.allocated) % ah->area_count) {
(ah->new_extents - alloc_state.allocated) % ah->area_multiple) {
log_error("Number of extents requested (%d) needs to be divisible by %d.",
ah->new_extents - alloc_state.allocated, ah->area_count);
ah->new_extents - alloc_state.allocated,
ah->area_multiple);
return 0;
}

65
test/t-lvcreate-striped-mirror.sh Normal file
View File

@ -0,0 +1,65 @@
#!/bin/sh
# Copyright (C) 2010 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
. lib/test
aux prepare_vg 9
lvcreate -i2 -l2 -m1 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
not grep "Rounding" log
check mirror_images_redundant $vg $lv1
lvremove -ff $vg
lvcreate -i2 -l4 -m1 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
not grep "Rounding" log
check mirror_images_redundant $vg $lv1
lvremove -ff $vg
lvcreate -i3 -l3 -m1 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
not grep "Rounding" log
check mirror_images_redundant $vg $lv1
lvremove -ff $vg
lvcreate -i4 -l4 -m1 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
not grep "Rounding" log
check mirror_images_redundant $vg $lv1
lvremove -ff $vg
lvcreate -i2 -l2 -m2 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
not grep "Rounding" log
check mirror_images_redundant $vg $lv1
lvremove -ff $vg
lvcreate -i3 -l3 -m2 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
not grep "Rounding" log
check mirror_images_redundant $vg $lv1
lvremove -ff $vg
lvcreate -i2 -l2 -m3 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
not grep "Rounding" log
check mirror_images_redundant $vg $lv1
lvremove -ff $vg
lvcreate -i3 -l2 -m2 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
grep "Rounding size (2 extents) up to .* (3 extents)" log
lvremove -ff $vg
lvcreate -i3 -l4 -m2 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
grep "Rounding size (4 extents) up to .* (6 extents)" log
lvremove -ff $vg
lvcreate -i3 -l4 -m1 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
grep "Rounding size (4 extents) up to .* (6 extents)" log
lvremove -ff $vg
lvcreate -i4 -l4 -m1 --mirrorlog core -n $lv1 $vg 2>&1 | tee log
not grep "Rounding" log
lvremove -ff $vg