# xfs_info /dev/md/sdr5p1
meta-data=/dev/md/sdr5p1         isize=512    agcount=32, agsize=30283904 blks
         =                       sectsz=4096  attr=2, projid32bit=1
         =                       crc=1        finobt=1, sparse=1, rmapbt=1
         =                       reflink=1    bigtime=1 inobtcount=1 nrext64=1
data     =                       bsize=4096   blocks=969084928, imaxpct=5
         =                       sunit=128    swidth=256 blks
naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
log      =internal log           bsize=4096   blocks=473186, version=2
         =                       sectsz=4096  sunit=1 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0

# gdisk -l /dev/md/sdr5
GPT fdisk (gdisk) version 1.0.9

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.
Disk /dev/md/sdr5: 969086976 sectors, 3.6 TiB
Sector size (logical/physical): 4096/4096 bytes
Disk identifier (GUID): 28F28613-3AAD-46F9-AABA-9CC7E7EFFC3D
Partition table holds up to 128 entries
Main partition table begins at sector 2 and ends at sector 5
First usable sector is 6, last usable sector is 969086970
Partitions will be aligned on 256-sector boundaries
Total free space is 501 sectors (2.0 MiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1             256       969086719   3.6 TiB     8300  test_array

# mdadm --detail /dev/md/sdr5
/dev/md/sdr5:
           Version : 1.2
     Creation Time : Fri May 10 21:13:54 2024
        Raid Level : raid5
        Array Size : 3876347904 (3.61 TiB 3.97 TB)
     Used Dev Size : 1938173952 (1848.39 GiB 1984.69 GB)
      Raid Devices : 3
     Total Devices : 3
       Persistence : Superblock is persistent

     Intent Bitmap : Internal

       Update Time : Wed Jun  5 14:09:18 2024
             State : clean
    Active Devices : 3
   Working Devices : 3
    Failed Devices : 0
     Spare Devices : 0

            Layout : left-symmetric
        Chunk Size : 512K

Consistency Policy : bitmap

              Name : moxana:sdr5  (local to host moxana)
              UUID : 395e1626:1483f9f8:39d6e78c:af21beb1
            Events : 13781

    Number   Major   Minor   RaidDevice State
       0     253        3        0      active sync   /dev/dm-3
       1     253        4        1      active sync   /dev/dm-4
       3     253        5        2      active sync   /dev/dm-5

# for d in sda sdb sdc; do integritysetup dump /dev/$d; done
Info for integrity device /dev/sda.
superblock_version 5
log2_interleave_sectors 15
integrity_tag_size 32
journal_sections 496
provided_data_sectors 3876612136
sector_size 4096
log2_blocks_per_bitmap 12
flags fix_padding fix_hmac

Info for integrity device /dev/sdb.
superblock_version 5
log2_interleave_sectors 15
integrity_tag_size 32
journal_sections 496
provided_data_sectors 3876612136
sector_size 4096
log2_blocks_per_bitmap 12
flags fix_padding fix_hmac

Info for integrity device /dev/sdc.
superblock_version 5
log2_interleave_sectors 15
integrity_tag_size 32
journal_sections 496
provided_data_sectors 3876612136
sector_size 4096
log2_blocks_per_bitmap 12
flags fix_padding fix_hmac