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55d418fb20
- lvs -o lv_attr has now 10 indicator bits - use '--ignoremonitoring' instead of the shortcut '--ig' used before (since it would be ambiguous with new '--ignoreactivationskip')
289 lines
8.8 KiB
Bash
289 lines
8.8 KiB
Bash
#!/bin/sh
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# Copyright (C) 2013 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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. lib/test
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# dm-raid v1.4.1+ contains RAID10 support
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aux target_at_least dm-raid 1 4 1 || skip
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aux prepare_vg 6
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# run_writemostly_check <VG> <LV>
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run_writemostly_check() {
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local d0
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local d1
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printf "#\n#\n#\n# %s/%s (%s): run_writemostly_check\n#\n#\n#\n" \
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$1 $2 `lvs --noheadings -o segtype $1/$2`
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d0=`lvs -a --noheadings -o devices $1/${2}_rimage_0 | sed s/\(.\)//`
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d0=$(sed s/^[[:space:]]*// <<< "$d0")
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d1=`lvs -a --noheadings -o devices $1/${2}_rimage_1 | sed s/\(.\)//`
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d1=$(sed s/^[[:space:]]*// <<< "$d1")
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# No writemostly flag should be there yet.
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*-.$'
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_1 | grep '.*-.$'
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if [ `lvs --noheadings -o segtype $1/$2` != "raid1" ]; then
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not lvchange --writemostly $d0 $1/$2
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return
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fi
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# Set the flag
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lvchange --writemostly $d0 $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*w.$'
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# Running again should leave it set (not toggle)
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lvchange --writemostly $d0 $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*w.$'
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# Running again with ':y' should leave it set
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lvchange --writemostly $d0:y $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*w.$'
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# ':n' should unset it
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lvchange --writemostly $d0:n $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*-.$'
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# ':n' again should leave it unset
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lvchange --writemostly $d0:n $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*-.$'
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# ':t' toggle to set
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lvchange --writemostly $d0:t $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*w.$'
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# ':t' toggle to unset
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lvchange --writemostly $d0:t $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*-.$'
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# ':y' to set
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lvchange --writemostly $d0:y $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*w.$'
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# Toggle both at once
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lvchange --writemostly $d0:t --writemostly $d1:t $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*-.$'
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_1 | grep '.*w.$'
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# Toggle both at once again
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lvchange --writemostly $d0:t --writemostly $d1:t $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*w.$'
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_1 | grep '.*-.$'
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# Toggle one, unset the other
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lvchange --writemostly $d0:n --writemostly $d1:t $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*-.$'
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_1 | grep '.*w.$'
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# Toggle one, set the other
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lvchange --writemostly $d0:y --writemostly $d1:t $1/$2
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*w.$'
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_1 | grep '.*-.$'
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# Partial flag supercedes writemostly flag
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aux disable_dev $d0
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*p.$'
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aux enable_dev $d0
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*w.$'
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# Catch Bad writebehind values
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not lvchange --writebehind "invalid" $1/$2
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not lvchange --writebehind -256 $1/$2
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# Set writebehind
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[ ! `lvs --noheadings -o writebehind $1/$2` ]
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lvchange --writebehind 512 $1/$2
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[ `lvs --noheadings -o writebehind $1/$2` -eq 512 ]
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# Converting to linear should clear flags and writebehind
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lvconvert -m 0 $1/$2 $d1
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lvconvert --type raid1 -m 1 $1/$2 $d1
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[ ! `lvs --noheadings -o writebehind $1/$2` ]
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_0 | grep '.*-.$'
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lvs -a --noheadings -o lv_attr $1/${2}_rimage_1 | grep '.*-.$'
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}
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# run_syncaction_check <VG> <LV>
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run_syncaction_check() {
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local device
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local seek
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local size
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local tmp
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printf "#\n#\n#\n# %s/%s (%s): run_syncaction_check\n#\n#\n#\n" \
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$1 $2 `lvs --noheadings -o segtype $1/$2`
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aux wait_for_sync $1 $2
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device=`lvs -a --noheadings -o devices $1/${2}_rimage_1 | sed s/\(.\)//`
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device=$(sed s/^[[:space:]]*// <<< "$device")
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size=`lvs -a --noheadings -o size --units 1k $1/${2}_rimage_1 | sed s/\.00k//`
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size=$(sed s/^[[:space:]]*// <<< "$size")
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size=$(($size / 2))
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tmp=`pvs --noheadings -o mda_size --units 1k $device | sed s/\.00k//`
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tmp=$(sed s/^[[:space:]]*// <<< "$tmp")
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seek=$tmp # Jump over MDA
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tmp=`lvs -a --noheadings -o size --units 1k $1/${2}_rmeta_1 | sed s/\.00k//`
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tmp=$(sed s/^[[:space:]]*// <<< "$tmp")
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seek=$(($seek + $tmp)) # Jump over RAID metadata image
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seek=$(($seek + $size)) # Jump halfway through the RAID image
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# Check all is normal
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if ! lvs --noheadings -o lv_attr $1/$2 | grep '.*-.$' ||
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[ `lvs --noheadings -o mismatches $1/$2` != 0 ]; then
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# I think this is a kernel bug. It happens randomly after
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# a RAID device creation. I think the mismatch count
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# should not be set unless a check or repair is run.
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#
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# Neil Brown disagrees that it is a bug. Says mismatch
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# count can be anything until a 'check' or 'repair' is
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# run.
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echo "Strange... RAID has mismatch count after creation."
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# Run "check" should turn up clean
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lvchange --syncaction check $1/$2
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aux wait_for_sync $1 $2
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sync
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fi
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lvs --noheadings -o lv_attr $1/$2 | grep '.*-.$'
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[ `lvs --noheadings -o mismatches $1/$2` == 0 ]
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# Overwrite the last half of one of the PVs with crap
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dd if=/dev/urandom of=$device bs=1k count=$size seek=$seek
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# FIXME: Why is this necessary? caching effects?
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# I don't need to do this when testing "real" devices...
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lvchange -an $1/$2; lvchange -ay $1/$2
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# "check" should find discrepancies but not change them
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# 'lvs' should show results
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lvchange --syncaction check $1/$2
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aux wait_for_sync $1 $2
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lvs --noheadings -o lv_attr $1/$2 | grep '.*m.$'
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[ `lvs --noheadings -o mismatches $1/$2` != 0 ]
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# "repair" will fix discrepancies and record number fixed
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lvchange --syncaction repair $1/$2
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aux wait_for_sync $1 $2
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lvs --noheadings -o lv_attr $1/$2 | grep '.*m.$'
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[ `lvs --noheadings -o mismatches $1/$2` != 0 ]
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# Final "check" should show no mismatches
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# 'lvs' should show results
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lvchange --syncaction check $1/$2
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aux wait_for_sync $1 $2
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lvs --noheadings -o lv_attr $1/$2 | grep '.*-.$'
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[ `lvs --noheadings -o mismatches $1/$2` == 0 ]
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}
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# run_refresh_check <VG> <LV>
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# Assumes "$dev2" is in the array
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run_refresh_check() {
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local size
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printf "#\n#\n#\n# %s/%s (%s): run_refresh_check\n#\n#\n#\n" \
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$1 $2 `lvs --noheadings -o segtype $1/$2`
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aux wait_for_sync $1 $2
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size=`lvs -a --noheadings -o size --units 1k $1/$2 | sed s/\.00k//`
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size=$(sed s/^[[:space:]]*// <<< "$size")
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# Disable dev2 and do some I/O to make the kernel notice
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aux disable_dev "$dev2"
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dd if=/dev/urandom of=/dev/$1/$2 bs=1k count=$size
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# Check for 'p'artial flag
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lvs --noheadings -o lv_attr $1/$2 | grep '.*p.$'
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aux enable_dev "$dev2"
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# Check for 'r'efresh flag
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lvs --noheadings -o lv_attr $1/$2 | grep '.*r.$'
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lvchange --refresh $1/$2
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aux wait_for_sync $1 $2
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lvs --noheadings -o lv_attr $1/$2 | grep '.*-.$'
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# Writing random data above should mean that the devices
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# were out-of-sync. The refresh should have taken care
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# of properly reintegrating the device. If any mismatches
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# are repaired, it will show up in the 'lvs' output.
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lvchange --syncaction repair $1/$2
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aux wait_for_sync $1 $2
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lvs --noheadings -o lv_attr $1/$2 | grep '.*-.$'
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}
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# run_checks <VG> <LV> [snapshot_dev]
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run_checks() {
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# Without snapshots
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if aux target_at_least dm-raid 1 1 0; then
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run_writemostly_check $1 $2
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fi
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if aux target_at_least dm-raid 1 5 0; then
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run_syncaction_check $1 $2
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fi
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if aux target_at_least dm-raid 1 5 1; then
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run_refresh_check $1 $2
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fi
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# With snapshots
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if [ ! -z $3 ]; then
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lvcreate -s $1/$2 -l 4 -n snap $3
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if aux target_at_least dm-raid 1 1 0; then
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run_writemostly_check $1 $2
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fi
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if aux target_at_least dm-raid 1 5 0; then
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run_syncaction_check $1 $2
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fi
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if aux target_at_least dm-raid 1 5 1; then
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run_refresh_check $1 $2
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fi
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lvremove -ff $1/snap
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fi
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}
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########################################################
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# MAIN
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########################################################
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lvcreate --type raid1 -m 1 -l 2 -n $lv1 $vg "$dev1" "$dev2"
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run_checks $vg $lv1 "$dev3"
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lvremove -ff $vg
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lvcreate --type raid4 -i 2 -l 4 -n $lv1 $vg "$dev1" "$dev2" "$dev3" "$dev4"
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run_checks $vg $lv1 "$dev5"
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lvremove -ff $vg
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lvcreate --type raid5 -i 2 -l 4 -n $lv1 $vg "$dev1" "$dev2" "$dev3" "$dev4"
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run_checks $vg $lv1 "$dev5"
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lvremove -ff $vg
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lvcreate --type raid6 -i 3 -l 6 -n $lv1 $vg \
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"$dev1" "$dev2" "$dev3" "$dev4" "$dev5"
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run_checks $vg $lv1 "$dev6"
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lvremove -ff $vg
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lvcreate --type raid10 -m 1 -i 2 -l 4 -n $lv1 $vg \
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"$dev1" "$dev2" "$dev3" "$dev4"
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run_checks $vg $lv1 "$dev5"
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lvremove -ff $vg
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