kernel-5.14.0-497.el9    BUILT: Thu Aug 15 12:13:18 AM CEST 2024
lvm2-2.03.24-2.el9    BUILT: Wed Aug  7 09:41:45 PM CEST 2024
lvm2-libs-2.03.24-2.el9    BUILT: Wed Aug  7 09:41:45 PM CEST 2024
 
 
vgcreate    vdo_sanity /dev/sda /dev/sdb /dev/sdc /dev/sdd /dev/sde /dev/sdf /dev/sdg /dev/sdh
  Volume group "vdo_sanity" successfully created
lvcreate --yes --type vdo -n vdo_lv  -L 50G vdo_sanity -V 100G  
Wiping vdo signature on /dev/vdo_sanity/vpool0.
    The VDO volume can address 46 GB in 23 data slabs, each 2 GB.
    It can grow to address at most 16 TB of physical storage in 8192 slabs.
    If a larger maximum size might be needed, use bigger slabs.
  Logical volume "vdo_lv" created.
 
mkfs --type xfs -f /dev/vdo_sanity/vdo_lv
meta-data=/dev/vdo_sanity/vdo_lv isize=512    agcount=4, agsize=6553600 blks
         =                       sectsz=4096  attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=0
         =                       reflink=1    bigtime=1 inobtcount=1 nrext64=0
data     =                       bsize=4096   blocks=26214400, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
log      =internal log           bsize=4096   blocks=16384, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
Discarding blocks...Done.
 
mount  /dev/vdo_sanity/vdo_lv /mnt/vdo_lv
Writing files to /mnt/vdo_lv
/usr/tests/sts-rhel9.5/bin/checkit -w /mnt/vdo_lv -f /tmp/Filesystem.1686410 -n 5000
checkit starting with:
CREATE
Num files:          5000
Random Seed:        420037
Verify XIOR Stream: /tmp/Filesystem.1686410
Working dir:        /mnt/vdo_lv
Checking files from /mnt/vdo_lv
/usr/tests/sts-rhel9.5/bin/checkit -w /mnt/vdo_lv -f /tmp/Filesystem.1686410 -v
checkit starting with:
VERIFY
Verify XIOR Stream: /tmp/Filesystem.1686410
Working dir:        /mnt/vdo_lv
umount /mnt/vdo_lv
 
lvconvert --yes --type thin  vdo_sanity/vdo_lv 
Thin pool volume with chunk size 64.00 KiB can address at most <15.88 TiB of data.
  Converted vdo_sanity/vdo_lv to thin volume.
WARNING: Converting vdo_sanity/vdo_lv to fully provisioned thin volume.
Re-verify the filesystem data post conversion
mount  /dev/vdo_sanity/vdo_lv /mnt/vdo_lv
Checking files from /mnt/vdo_lv
/usr/tests/sts-rhel9.5/bin/checkit -w /mnt/vdo_lv -f /tmp/Filesystem.1686410 -v
checkit starting with:
VERIFY
Verify XIOR Stream: /tmp/Filesystem.1686410
Working dir:        /mnt/vdo_lv
umount /mnt/vdo_lv
Now create other thin lvs, including thin snap of origin using this VDO pool, effectively supporting multi vdo volumes per one VDO pool
lvcreate --yes -n virt_1  -V 20 vdo_sanity/vdo_lv_tpool0 
WARNING: You have not turned on protection against thin pools running out of space.
  WARNING: Set activation/thin_pool_autoextend_threshold below 100 to trigger automatic extension of thin pools before they get full.
  Logical volume "virt_1" created.
WARNING: Sum of all thin volume sizes (<100.02 GiB) exceeds the size of thin pool vdo_sanity/vdo_lv_tpool0 (100.00 GiB).
lvcreate --yes -n virt_2  -V 20 vdo_sanity/vdo_lv_tpool0 
WARNING: You have not turned on protection against thin pools running out of space.
  WARNING: Set activation/thin_pool_autoextend_threshold below 100 to trigger automatic extension of thin pools before they get full.
  Logical volume "virt_2" created.
WARNING: Sum of all thin volume sizes (<100.04 GiB) exceeds the size of thin pool vdo_sanity/vdo_lv_tpool0 (100.00 GiB).
lvcreate --yes -n virt_3  -V 20 vdo_sanity/vdo_lv_tpool0 
WARNING: You have not turned on protection against thin pools running out of space.
  WARNING: Set activation/thin_pool_autoextend_threshold below 100 to trigger automatic extension of thin pools before they get full.
  Logical volume "virt_3" created.
WARNING: Sum of all thin volume sizes (<100.06 GiB) exceeds the size of thin pool vdo_sanity/vdo_lv_tpool0 (100.00 GiB).
lvcreate --yes -n virt_4  -V 20 vdo_sanity/vdo_lv_tpool0 
WARNING: You have not turned on protection against thin pools running out of space.
  WARNING: Set activation/thin_pool_autoextend_threshold below 100 to trigger automatic extension of thin pools before they get full.
  Logical volume "virt_4" created.
WARNING: Sum of all thin volume sizes (<100.08 GiB) exceeds the size of thin pool vdo_sanity/vdo_lv_tpool0 (100.00 GiB).
Create THIN snapshot of vdo -> thin converted origin volume
lvcreate --yes -n virtsnap -k n   -s vdo_sanity/vdo_lv 
WARNING: You have not turned on protection against thin pools running out of space.
  WARNING: Set activation/thin_pool_autoextend_threshold below 100 to trigger automatic extension of thin pools before they get full.
  Logical volume "virtsnap" created.
WARNING: Sum of all thin volume sizes (<200.08 GiB) exceeds the size of thin pool vdo_sanity/vdo_lv_tpool0 (100.00 GiB).
 
[root@virt-001 ~]# lvs -a -o +devices
  LV                    VG         Attr       LSize   Pool          Origin Data%  Meta%  Move Log Cpy%Sync Convert Devices               
  [lvol0_pmspare]       vdo_sanity ewi------- 100.00m                                                              /dev/sda(12825)       
  vdo_lv                vdo_sanity Vwi-a-tz-- 100.00g vdo_lv_tpool0        100.00                                                        
  vdo_lv_tpool0         vdo_sanity twi-aotzD- 100.00g                      100.00 35.95                            vdo_lv_tpool0_tdata(0)
  [vdo_lv_tpool0_tdata] vdo_sanity vwi-aov--- 100.00g vpool0               0.73                                    vpool0(0)             
  [vdo_lv_tpool0_tmeta] vdo_sanity ewi-ao---- 100.00m                                                              /dev/sda(12800)       
  virt_1                vdo_sanity Vwi-a-tz--  20.00m vdo_lv_tpool0        0.00                                                          
  virt_2                vdo_sanity Vwi-a-tz--  20.00m vdo_lv_tpool0        0.00                                                          
  virt_3                vdo_sanity Vwi-a-tz--  20.00m vdo_lv_tpool0        0.00                                                          
  virt_4                vdo_sanity Vwi-a-tz--  20.00m vdo_lv_tpool0        0.00                                                          
  virtsnap              vdo_sanity Vwi-a-tz-- 100.00g vdo_lv_tpool0 vdo_lv 100.00                                                        
  vpool0                vdo_sanity dwi-------  50.00g                      9.53                                    vpool0_vdata(0)       
  [vpool0_vdata]        vdo_sanity Dwi-ao----  50.00g                                                              /dev/sda(0)           
 
[root@virt-001 ~]# mount -o nouuid /dev/vdo_sanity/virtsnap /mnt/virtsnap
mount: /mnt/virtsnap: mount(2) system call failed: No space left on device.
 
Aug 29 16:19:04 virt-001 kernel: XFS (dm-13): Mounting V5 Filesystem a44fdb83-729a-4c1a-9051-268efc4dace0
Aug 29 16:19:04 virt-001 kernel: XFS (dm-13): log recovery write I/O error at daddr 0x1b860 len 4096 error -28
Aug 29 16:19:04 virt-001 kernel: XFS (dm-13): failed to locate log tail
Aug 29 16:19:04 virt-001 kernel: XFS (dm-13): log mount/recovery failed: error -28
Aug 29 16:19:04 virt-001 kernel: XFS (dm-13): log mount failed
 
[root@virt-001 ~]# mount  /dev/vdo_sanity/vdo_lv /mnt/vdo_lv
mount: /mnt/vdo_lv: mount(2) system call failed: No space left on device.