[LU-14011] lfs mirror split exits with status zero on invalid mirror ids

• Status: Open
• Project: Lustre
• Affects Version/s: Lustre 2.12.0, Lustre 2.14.0
• Type: Bug
• Priority: Minor
• Reporter: John Hammond
• Assignee: WC Triage
• Resolution: Unresolved
• Severity: 3

Description

k:lustre# lfs mirror extend -N -p ddn_ssd /mnt/lustre/d0/f0
k:lustre# lfs getstripe /mnt/lustre/d0/f0
/mnt/lustre/d0/f0
  lcm_layout_gen:    2
  lcm_mirror_count:  2
  lcm_entry_count:   2
    lcme_id:             65537
    lcme_mirror_id:      1
    lcme_flags:          init
    lcme_extent.e_start: 0
    lcme_extent.e_end:   EOF
      lmm_stripe_count:  1
      lmm_stripe_size:   1048576
      lmm_pattern:       raid0
      lmm_layout_gen:    0
      lmm_stripe_offset: 0
      lmm_pool:          ddn_ssd
      lmm_objects:
      - 0: { l_ost_idx: 0, l_fid: [0x100000000:0x2:0x0] }

    lcme_id:             131073
    lcme_mirror_id:      2
    lcme_flags:          init
    lcme_extent.e_start: 0
    lcme_extent.e_end:   EOF
      lmm_stripe_count:  1
      lmm_stripe_size:   1048576
      lmm_pattern:       raid0
      lmm_layout_gen:    0
      lmm_stripe_offset: 0
      lmm_pool:          ddn_ssd
      lmm_objects:
      - 0: { l_ost_idx: 0, l_fid: [0x100000000:0x3:0x0] }

k:lustre# lfs mirror split -d --mirror-id=42 /mnt/lustre/d0/f0
error lt-lfs mirror split: file '/mnt/lustre/d0/f0' does not contain mirror with id 42
k:lustre# echo $?
0