== sanity-flr test 48: Verify snapshot mirror ============ 16:08:35 (1786565315)
 ** create 2 mirrors FLR file /mnt/lustre/f48.sanity-flr
 ** write it
3+0 records in
3+0 records out
3145728 bytes (3.1 MB, 3.0 MiB) copied, 0.280728 s, 11.2 MB/s
 ** resync the file
 ** snapshot mirror 2
 ** write it again
3+0 records in
3+0 records out
3145728 bytes (3.1 MB, 3.0 MiB) copied, 0.309378 s, 10.2 MB/s
 ** resync it again
CRC-32 checksum value for chunk [0, 0x300000):
Mirror 2:	0x43840945 (nosync,stale)
Mirror 2:	0x43840945 (nosync,stale)

 ** verify mirror 2 doesn't change
original checksum: 2a547132fc39af25abb8cccae32149a7  -
mirror 1 checksum: 7f2f5b395c0eba7197218349a54cca67  -
mirror 2 checksum: 2a547132fc39af25abb8cccae32149a7  -
 ** mirror 2 stripe info
/mnt/lustre/f48.sanity-flr
composite_header:
  lcm_magic:         0x0BD60BD0
  lcm_size:          448
  lcm_flags:         wp
  lcm_layout_gen:    10
  lcm_mirror_count:  2
  lcm_entry_count:   4
components:
  - lcme_id:             0x20003
    lcme_mirror_id:      2
    lcme_flags:          init,stale,nosync
    lcme_timestamp:      '2026-08-12T16:08:39-0400'
    lcme_extent.e_start: 0
    lcme_extent.e_end:   1048576
    lcme_offset:         336
    lcme_size:           56
    sub_layout:
      lmm_magic:         0x0BD10BD0
      lmm_seq:           0x200000404
      lmm_object_id:     0x11
      lmm_fid:           [0x200000404:0x11:0x0]
      lmm_stripe_count:  1
      lmm_stripe_size:   1048576
      lmm_pattern:       raid0
      lmm_layout_gen:    0
      lmm_stripe_offset: 1
      lmm_objects:
      -   0: { l_ost_idx:   1, l_fid: [0x280000400:0xdc:0x0] }

  - lcme_id:             0x20004
    lcme_mirror_id:      2
    lcme_flags:          init,stale,nosync
    lcme_timestamp:      '2026-08-12T16:08:39-0400'
    lcme_extent.e_start: 1048576
    lcme_extent.e_end:   EOF
    lcme_offset:         392
    lcme_size:           56
    sub_layout:
      lmm_magic:         0x0BD10BD0
      lmm_seq:           0x200000404
      lmm_object_id:     0x11
      lmm_fid:           [0x200000404:0x11:0x0]
      lmm_stripe_count:  1
      lmm_stripe_size:   4194304
      lmm_pattern:       raid0
      lmm_layout_gen:    0
      lmm_stripe_offset: 1
      lmm_objects:
      -   0: { l_ost_idx:   1, l_fid: [0x280000400:0xdd:0x0] }

 ** resync mirror 2
 ** verify mirror 2 resync-ed
original checksum: 2a547132fc39af25abb8cccae32149a7  -
mirror 1 checksum: 7f2f5b395c0eba7197218349a54cca67  -
mirror 2 checksum: 7f2f5b395c0eba7197218349a54cca67  -
 ** mirror 2 stripe info
/mnt/lustre/f48.sanity-flr
composite_header:
  lcm_magic:         0x0BD60BD0
  lcm_size:          448
  lcm_flags:         ro
  lcm_layout_gen:    12
  lcm_mirror_count:  2
  lcm_entry_count:   4
components:
  - lcme_id:             0x20003
    lcme_mirror_id:      2
    lcme_flags:          init,nosync
    lcme_timestamp:      '2026-08-12T16:08:39-0400'
    lcme_extent.e_start: 0
    lcme_extent.e_end:   1048576
    lcme_offset:         336
    lcme_size:           56
    sub_layout:
      lmm_magic:         0x0BD10BD0
      lmm_seq:           0x200000404
      lmm_object_id:     0x11
      lmm_fid:           [0x200000404:0x11:0x0]
      lmm_stripe_count:  1
      lmm_stripe_size:   1048576
      lmm_pattern:       raid0
      lmm_layout_gen:    0
      lmm_stripe_offset: 1
      lmm_objects:
      -   0: { l_ost_idx:   1, l_fid: [0x280000400:0xdc:0x0] }

  - lcme_id:             0x20004
    lcme_mirror_id:      2
    lcme_flags:          init,nosync
    lcme_timestamp:      '2026-08-12T16:08:39-0400'
    lcme_extent.e_start: 1048576
    lcme_extent.e_end:   EOF
    lcme_offset:         392
    lcme_size:           56
    sub_layout:
      lmm_magic:         0x0BD10BD0
      lmm_seq:           0x200000404
      lmm_object_id:     0x11
      lmm_fid:           [0x200000404:0x11:0x0]
      lmm_stripe_count:  1
      lmm_stripe_size:   4194304
      lmm_pattern:       raid0
      lmm_layout_gen:    0
      lmm_stripe_offset: 1
      lmm_objects:
      -   0: { l_ost_idx:   1, l_fid: [0x280000400:0xdd:0x0] }