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#!/usr/bin/env bash
# Copyright (C) 2017 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., 51 Franklin Street, Fifth Floor, Boston, MA2110-1301 USA
SKIP_WITH_LVMPOLLD=1
. lib/inittest
aux lvmconf 'activation/raid_region_size = 512'
which mkfs.ext4 || skip
aux have_raid 1 14 0 || skip
aux prepare_vg 5 20
#
# Test single step linear -> striped conversion
#
# Create 4-way striped LV
lvcreate -aey -i 4 -I 32k -L 16M -n $lv1 $vg
check lv_field $vg/$lv1 segtype "striped"
check lv_field $vg/$lv1 data_stripes 4
check lv_field $vg/$lv1 stripes 4
check lv_field $vg/$lv1 stripesize "32.00k"
check lv_field $vg/$lv1 reshape_len_le ""
wipefs -a "$DM_DEV_DIR/$vg/$lv1"
mkfs -t ext4 "$DM_DEV_DIR/$vg/$lv1"
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Convert striped -> raid5(_n)
lvconvert -y --ty raid5 -R 128k $vg/$lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
check lv_field $vg/$lv1 segtype "raid5_n"
check lv_field $vg/$lv1 data_stripes 4
check lv_field $vg/$lv1 stripes 5
check lv_field $vg/$lv1 stripesize "32.00k"
check lv_field $vg/$lv1 regionsize "128.00k"
check lv_field $vg/$lv1 reshape_len_le 0
aux wait_for_sync $vg $lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Extend raid5_n LV by factor 4 to keep size once linear
lvresize -y -L 64M $vg/$lv1
aux wait_for_sync $vg $lv1
check lv_field $vg/$lv1 segtype "raid5_n"
check lv_field $vg/$lv1 data_stripes 4
check lv_field $vg/$lv1 stripes 5
check lv_field $vg/$lv1 stripesize "32.00k"
check lv_field $vg/$lv1 regionsize "128.00k"
check lv_field $vg/$lv1 reshape_len_le "0"
aux wait_for_sync $vg $lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Convert raid5_n LV to 1 stripe (2 legs total),
# 64k stripesize and 1024k regionsize
# FIXME: "--type" superfluous (cli fix needed)
lvconvert -y -f --ty raid5_n --stripes 1 -I 64k -R 1024k $vg/$lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
check lv_first_seg_field $vg/$lv1 segtype "raid5_n"
check lv_first_seg_field $vg/$lv1 data_stripes 1
check lv_first_seg_field $vg/$lv1 stripes 5
check lv_first_seg_field $vg/$lv1 stripesize "32.00k"
check lv_first_seg_field $vg/$lv1 regionsize "1.00m"
check lv_first_seg_field $vg/$lv1 reshape_len_le 10
# for slv in {0..4}
# do
# check lv_first_seg_field $vg/${lv1}_rimage_${slv} reshape_len_le 2
# done
aux wait_for_sync $vg $lv1 1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Remove the now freed legs
lvconvert -y --stripes 1 $vg/$lv1
check lv_first_seg_field $vg/$lv1 segtype "raid5_n"
check lv_first_seg_field $vg/$lv1 data_stripes 1
check lv_first_seg_field $vg/$lv1 stripes 2
check lv_first_seg_field $vg/$lv1 stripesize "32.00k"
check lv_first_seg_field $vg/$lv1 regionsize "1.00m"
check lv_first_seg_field $vg/$lv1 reshape_len_le 4
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Convert raid5_n to raid1
lvconvert -y --type raid1 $vg/$lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
check lv_first_seg_field $vg/$lv1 segtype "raid1"
check lv_first_seg_field $vg/$lv1 data_stripes 2
check lv_first_seg_field $vg/$lv1 stripes 2
check lv_first_seg_field $vg/$lv1 stripesize "0"
check lv_first_seg_field $vg/$lv1 regionsize "1.00m"
check lv_first_seg_field $vg/$lv1 reshape_len_le ""
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
# Convert raid1 -> linear
lvconvert -y --type linear $vg/$lv1
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
check lv_first_seg_field $vg/$lv1 segtype "linear"
check lv_first_seg_field $vg/$lv1 data_stripes 1
check lv_first_seg_field $vg/$lv1 stripes 1
check lv_first_seg_field $vg/$lv1 stripesize "0"
check lv_first_seg_field $vg/$lv1 regionsize "0"
check lv_first_seg_field $vg/$lv1 reshape_len_le ""
fsck -fn "$DM_DEV_DIR/$vg/$lv1"
vgremove -ff $vg
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