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  1. Lustre
  2. LU-12650

get_root_path() filesystem name compare error that leads to fid2path fail

    Details

    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      get_root_path() returns (for instance) path to "lustre" mount instead "lustre1"
      because last symbol is not taking in account during comparison.
      This bug has influence to get_root_path() users.

      For example, fid2path use get_root_path().

      mount -t lustre
       /dev/mapper/mds1_flakey on /mnt/lustre-mds1 type lustre (ro,context=unconfined_u:object_r:user_tmp_t:s0,svname=lustre-MDT0000,mgs,osd=osd-ldiskfs,user_xattr,errors=remount-ro)
       /dev/mapper/ost1_flakey on /mnt/lustre-ost1 type lustre (ro,context=unconfined_u:object_r:user_tmp_t:s0,svname=lustre-OST0000,mgsnode=192.168.1.227@tcp,osd=osd-ldiskfs,errors=remount-ro)
       /dev/mapper/ost2_flakey on /mnt/lustre-ost2 type lustre (ro,context=unconfined_u:object_r:user_tmp_t:s0,svname=lustre-OST0001,mgsnode=192.168.1.227@tcp,osd=osd-ldiskfs,errors=remount-ro)
       192.168.1.227@tcp:/lustre on /mnt/lustre type lustre (rw,seclabel,flock,user_xattr,lazystatfs)
       /tmp/lustre2-mdt on /mnt/lustre2-mds1 type lustre (ro,context=unconfined_u:object_r:user_tmp_t:s0,svname=lustre2-MDT0000,mgsnode=192.168.1.227@tcp,osd=osd-ldiskfs,user_xattr,errors=remount-ro)
       /tmp/lustre2-ost1 on /mnt/lustre2-ost1 type lustre (ro,context=unconfined_u:object_r:user_tmp_t:s0,svname=lustre2-OST0000,mgsnode=192.168.1.227@tcp,osd=osd-ldiskfs,errors=remount-ro)
       /tmp/lustre2-ost2 on /mnt/lustre2-ost2 type lustre (ro,context=unconfined_u:object_r:user_tmp_t:s0,svname=lustre2-OST0001,mgsnode=192.168.1.227@tcp,osd=osd-ldiskfs,errors=remount-ro)
       192.168.1.227@tcp:/lustre2 on /mnt/lustre2 type lustre (rw,seclabel,flock,lazystatfs)
      lfs path2fid /mnt/lustre2/foodir3
       [0x200000401:0x1:0x0]
      
      lfs fid2path lustre2 [0x200000401:0x1:0x0]
       lfs fid2path: cannot find '[0x200000401:0x1:0x0]': No such file or
       directory
      
      umount /mnt/lustre
       lfs fid2path lustre2 [0x200000401:0x1:0x0]
       foodir3
      

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            • Assignee:
              artem_blagodarenko Artem Blagodarenko
              Reporter:
              artem_blagodarenko Artem Blagodarenko
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              Dates

              • Created:
                Updated:
                Resolved: