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git://sourceware.org/git/lvm2.git
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c838e79cd2
Add missing get_devs. When $7 is not given use empty string. See if we can live with less RAM disk for PVs. Drop limitation on single core as presence 1.12 should address this.
225 lines
6.2 KiB
Bash
225 lines
6.2 KiB
Bash
#!/usr/bin/env bash
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# Copyright (C) 2017 Red Hat, Inc. All rights reserved.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions
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# of the GNU General Public License v.2.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin Street, Fifth Floor, Boston, MA2110-1301 USA
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SKIP_WITH_LVMLOCKD=1
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SKIP_WITH_LVMPOLLD=1
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. lib/inittest
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which mkfs.ext4 || skip
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aux have_raid 1 12 0 || skip
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# Temporarily skip reshape tests on single-core CPUs until there's a fix for
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# https://bugzilla.redhat.com/1443999 - AGK 2017/04/20
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#aux have_multi_core || skip
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# dropping single-core limitation with 1.12 target
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aux prepare_pvs 65 32
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get_devs
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vgcreate -s 1M "$vg" "${DEVICES[@]}"
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function _lvcreate
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{
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local level=$1
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local req_stripes=$2
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local stripes=$3
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local size=$4
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local vg=$5
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local lv=$6
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lvcreate -y -aey --type $level -i $req_stripes -L $size -n $lv $vg
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check lv_first_seg_field $vg/$lv segtype "$level"
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check lv_first_seg_field $vg/$lv datastripes $req_stripes
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check lv_first_seg_field $vg/$lv stripes $stripes
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mkfs.ext4 "$DM_DEV_DIR/$vg/$lv"
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fsck -fn "$DM_DEV_DIR/$vg/$lv"
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}
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function _lvconvert
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{
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local req_level=$1
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local level=$2
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local data_stripes=$3
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local stripes=$4
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local vg=$5
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local lv=$6
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local region_size=${7-}
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local wait_and_check=1
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local R=""
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[ -n "$region_size" ] && R="-R $region_size"
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[ "${level:0:7}" = "striped" ] && wait_and_check=0
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[ "${level:0:5}" = "raid0" ] && wait_and_check=0
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lvconvert -y --ty $req_level $R $vg/$lv || return $?
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check lv_first_seg_field $vg/$lv segtype "$level"
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check lv_first_seg_field $vg/$lv data_stripes $data_stripes
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check lv_first_seg_field $vg/$lv stripes $stripes
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[ -n "$region_size" ] && check lv_field $vg/$lv regionsize $region_size
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if [ "$wait_and_check" -eq 1 ]
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then
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fsck -fn "$DM_DEV_DIR/$vg/$lv"
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aux wait_for_sync $vg $lv
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fi
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fsck -fn "$DM_DEV_DIR/$vg/$lv"
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}
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function _reshape_layout
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{
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local type=$1
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shift
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local data_stripes=$1
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shift
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local stripes=$1
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shift
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local vg=$1
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shift
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local lv=$1
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shift
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local opts="$*"
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local ignore_a_chars=0
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[[ "$opts" =~ "--stripes" ]] && ignore_a_chars=1
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lvconvert -vvvv -y --ty $type $opts $vg/$lv
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check lv_first_seg_field $vg/$lv segtype "$type"
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check lv_first_seg_field $vg/$lv data_stripes $data_stripes
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check lv_first_seg_field $vg/$lv stripes $stripes
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aux wait_for_sync $vg $lv $ignore_a_chars
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fsck -fn "$DM_DEV_DIR/$vg/$lv"
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}
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# Delay leg so that rebuilding status characters
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# can be read before resync finished too quick.
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# aux delay_dev "$dev1" 1
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#
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# Start out with raid5(_ls)
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#
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# Create 3-way striped raid5 (4 legs total)
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_lvcreate raid5_ls 3 4 16M $vg $lv1
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check lv_first_seg_field $vg/$lv1 segtype "raid5_ls"
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aux wait_for_sync $vg $lv1
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# Reshape it to 256K stripe size
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_reshape_layout raid5_ls 3 4 $vg $lv1 --stripesize 256K
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check lv_first_seg_field $vg/$lv1 stripesize "256.00k"
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# Convert raid5(_n) -> striped testing raid5_ls gets rejected
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not _lvconvert striped striped 3 3 $vg $lv1 512k
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_reshape_layout raid5_n 3 4 $vg $lv1
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_lvconvert striped striped 3 3 $vg $lv1
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# Convert striped -> raid5_n
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_lvconvert raid5_n raid5_n 3 4 $vg $lv1 "" 1
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# Convert raid5_n -> raid5_ls
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_reshape_layout raid5_ls 3 4 $vg $lv1
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# Convert raid5_ls to 5 stripes
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_reshape_layout raid5_ls 5 6 $vg $lv1 --stripes 5
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# Convert raid5_ls back to 3 stripes
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_reshape_layout raid5_ls 3 6 $vg $lv1 --stripes 3 --force
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_reshape_layout raid5_ls 3 4 $vg $lv1 --stripes 3
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# Convert raid5_ls to 7 stripes
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_reshape_layout raid5_ls 7 8 $vg $lv1 --stripes 7
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# Convert raid5_ls to 9 stripes
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_reshape_layout raid5_ls 9 10 $vg $lv1 --stripes 9
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# Convert raid5_ls to 14 stripes
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_reshape_layout raid5_ls 14 15 $vg $lv1 --stripes 14
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# Convert raid5_ls to 63 stripes
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_reshape_layout raid5_ls 63 64 $vg $lv1 --stripes 63
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# Convert raid5_ls back to 27 stripes
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_reshape_layout raid5_ls 27 64 $vg $lv1 --stripes 27 --force
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_reshape_layout raid5_ls 27 28 $vg $lv1 --stripes 27
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# Convert raid5_ls back to 4 stripes checking
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# conversion to striped/raid* gets rejected
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# with existing LVs to be removed afer reshape
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_reshape_layout raid5_ls 4 28 $vg $lv1 --stripes 4 --force
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# No we got the data reshaped and the freed SubLVs still present
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# -> check takeover request gets rejected
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not lvconvert --yes --type striped $vg/$lv1
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not lvconvert --yes --type raid0 $vg/$lv1
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not lvconvert --yes --type raid0_meta $vg/$lv1
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not lvconvert --yes --type raid6 $vg/$lv1
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# Remove the freed SubLVs
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_reshape_layout raid5_ls 4 5 $vg $lv1 --stripes 4
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# Convert raid5_ls back to 3 stripes
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_reshape_layout raid5_ls 3 5 $vg $lv1 --stripes 3 --force
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_reshape_layout raid5_ls 3 4 $vg $lv1 --stripes 3
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# Convert raid5_ls -> raid5_rs
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_reshape_layout raid5_rs 3 4 $vg $lv1
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# Convert raid5_rs -> raid5_la
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_reshape_layout raid5_la 3 4 $vg $lv1
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# Convert raid5_la -> raid5_ra
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_reshape_layout raid5_ra 3 4 $vg $lv1
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# Convert raid5_ra -> raid6_ra_6
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_lvconvert raid6_ra_6 raid6_ra_6 3 5 $vg $lv1 "4.00m" 1
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# Convert raid5_la -> raid6(_zr)
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_reshape_layout raid6 3 5 $vg $lv1
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# Convert raid6(_zr) -> raid6_nc
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_reshape_layout raid6_nc 3 5 $vg $lv1
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# Convert raid6(_nc) -> raid6_nr
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_reshape_layout raid6_nr 3 5 $vg $lv1
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# Convert raid6_nr) -> raid6_rs_6
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_reshape_layout raid6_rs_6 3 5 $vg $lv1
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# Convert raid6_rs_6 to 5 stripes
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_reshape_layout raid6_rs_6 5 7 $vg $lv1 --stripes 5
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# Convert raid6_rs_6 to 4 stripes
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_reshape_layout raid6_rs_6 4 7 $vg $lv1 --stripes 4 --force
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_reshape_layout raid6_rs_6 4 6 $vg $lv1 --stripes 4
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check lv_first_seg_field $vg/$lv1 stripesize "256.00k"
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# Convert raid6_rs_6 to raid6_n_6
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_reshape_layout raid6_n_6 4 6 $vg $lv1
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# Convert raid6_n_6 -> striped
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_lvconvert striped striped 4 4 $vg $lv1
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check lv_first_seg_field $vg/$lv1 stripesize "256.00k"
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# Convert striped -> raid10(_near)
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_lvconvert raid10 raid10 4 8 $vg $lv1
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# Convert raid10 to 10 stripes and 64K stripesize
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# FIXME: change once we support odd numbers of raid10 stripes
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not _reshape_layout raid10 4 9 $vg $lv1 --stripes 9 --stripesize 64K
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_reshape_layout raid10 10 20 $vg $lv1 --stripes 10 --stripesize 64K
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check lv_first_seg_field $vg/$lv1 stripesize "64.00k"
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# Convert raid6_n_6 -> striped
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_lvconvert striped striped 10 10 $vg $lv1
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check lv_first_seg_field $vg/$lv1 stripesize "64.00k"
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vgremove -ff $vg
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