OK I can consistently reproduce this on the CLI. I end up with totally different
# lvcreate -L 40g VG -n testxfs
Logical volume "testxfs" created.
# lvs
LV VG Attr LSize Pool Origin Data% Meta%
Move Log Cpy%Sync Convert
testbtrfs VG Vwi-a-tz-- 39.06g thintastic 0.01
testext4 VG Vwi-a-tz-- 39.06g thintastic 3.96
testxfs VG -wi-a----- 40.00g
thintastic VG twi-aotz-- 39.06g 3.97 4.86
# mkfs.xfs /dev/VG/testxfs
meta-data=/dev/VG/testxfs isize=512 agcount=4, agsize=2621440 blks
= sectsz=4096 attr=2, projid32bit=1
= crc=1 finobt=1, sparse=0
data = bsize=4096 blocks=10485760, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal log bsize=4096 blocks=5120, version=2
= sectsz=4096 sunit=1 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
# mount /dev/VG/testxfs /mnt/0
# cp file.iso /mnt/0
# lvresize -L 80g VG/testxfs
Size of logical volume VG/testxfs changed from 40.00 GiB (10240
extents) to 80.00 GiB (20480 extents).
Logical volume testxfs successfully resized.
# xfs_growfs -d /mnt/0
meta-data=/dev/mapper/VG-testxfs isize=512 agcount=4, agsize=2621440 blks
= sectsz=4096 attr=2, projid32bit=1
= crc=1 finobt=1 spinodes=0
data = bsize=4096 blocks=10485760, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=5120, version=2
= sectsz=4096 sunit=1 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 10485760 to 20971520
# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 1.9G 0 1.9G 0% /dev
tmpfs 1.9G 0 1.9G 0% /dev/shm
tmpfs 1.9G 904K 1.9G 1% /run
tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup
/dev/sda1 180G 15G 165G 9% /
tmpfs 1.9G 4.0K 1.9G 1% /tmp
/dev/sda1 180G 15G 165G 9% /boot
/dev/sda6 525M 8.4M 517M 2% /boot/efi
/dev/mapper/brick1 562G 355G 205G 64% /brick1
tmpfs 388M 0 388M 0% /run/user/1000
/dev/mapper/VG-testxfs 80G 857M 80G 2% /mnt/0
[root@f23s ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta%
Move Log Cpy%Sync Convert
testbtrfs VG Vwi-a-tz-- 39.06g thintastic 0.01
testext4 VG Vwi-a-tz-- 39.06g thintastic 3.96
testxfs VG -wi-ao---- 80.00g
thintastic VG twi-aotz-- 39.06g 3.97 4.86
# xfs_info /dev/VG/testxfs
meta-data=/dev/mapper/VG-testxfs isize=512 agcount=8, agsize=2621440 blks
= sectsz=4096 attr=2, projid32bit=1
= crc=1 finobt=1 spinodes=0
data = bsize=4096 blocks=20971520, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=5120, version=2
= sectsz=4096 sunit=1 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
# xfs_repair -n /dev/VG/testxfs
Phase 1 - find and verify superblock...
Phase 2 - using internal log
- zero log...
- scan filesystem freespace and inode maps...
Metadata corruption detected at xfs_agf block 0x8c00008/0x1000
fllast 1014 in agf 7 too large (max = 1014)
Metadata corruption detected at xfs_agf block 0x6400008/0x1000
fllast 1014 in agf 5 too large (max = 1014)
Metadata corruption detected at xfs_agf block 0x5000008/0x1000
fllast 1014 in agf 4 too large (max = 1014)
Metadata corruption detected at xfs_agf block 0x7800008/0x1000
fllast 1014 in agf 6 too large (max = 1014)
- found root inode chunk
Phase 3 - for each AG...
- scan (but don't clear) agi unlinked lists...
- process known inodes and perform inode discovery...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
- agno = 4
- agno = 5
- agno = 6
- agno = 7
- process newly discovered inodes...
Phase 4 - check for duplicate blocks...
- setting up duplicate extent list...
- check for inodes claiming duplicate blocks...
- agno = 0
- agno = 1
- agno = 4
- agno = 2
- agno = 7
- agno = 5
- agno = 6
- agno = 3
No modify flag set, skipping phase 5
Phase 6 - check inode connectivity...
- traversing filesystem ...
- traversal finished ...
- moving disconnected inodes to lost+found ...
Phase 7 - verify link counts...
No modify flag set, skipping filesystem flush and exiting.
# mount /dev/VG/testxfs /mnt/0
No mount errors.
[14189.495433] XFS (dm-5): Mounting V5 Filesystem
[14189.710141] XFS (dm-5): Ending clean mount
[14326.856144] XFS (dm-5): Unmounting Filesystem
[14413.691734] XFS (dm-5): Mounting V5 Filesystem
[14413.833598] XFS (dm-5): Ending clean mount
Chris Murphy
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