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Bug
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Resolution: Duplicate
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Minor
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None
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Lustre 2.4.0
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None
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3
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6956
Note this is not a bug in lustre but in ldisks as a top level filesystem. The d_types returned have an extra bit set (perhaps from putting FIDs in dirents). The most annoying symptom of this is that it breaks find.
# llmount.sh ... # mkdir -p /mnt/lustre/D/D/D/D/D/D # touch /mnt/lustre/D/D/D/D/D/D/XXX # find /mnt/lustre /mnt/lustre /mnt/lustre/.lustre /mnt/lustre/D /mnt/lustre/D/D /mnt/lustre/D/D/D /mnt/lustre/D/D/D/D /mnt/lustre/D/D/D/D/D /mnt/lustre/D/D/D/D/D/D /mnt/lustre/D/D/D/D/D/D/XXX # umount /mnt/lustre /mnt/mds1 # # mount /tmp/lustre-mdt1 /mnt/mds1 -t ldiskfs -o loop,ro # find /mnt/mds1/ROOT -name XXX # stat /mnt/mds1/ROOT/D/D/D/D/D/D/XXX File: `/mnt/mds1/ROOT/D/D/D/D/D/D/XXX' Size: 0 Blocks: 0 IO Block: 4096 regular empty file Device: 700h/1792d Inode: 111 Links: 1 Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root) Access: 2013-02-26 21:37:51.000000000 -0600 Modify: 2013-02-26 21:37:51.000000000 -0600 Change: 2013-02-26 21:37:51.000000000 -0600 # find /mnt/mds1/ROOT /mnt/mds1/ROOT /mnt/mds1/ROOT/.lustre /mnt/mds1/ROOT/D # sys_getdents --verbose /mnt/mds1/ROOT d_type = 4 (d), d_ino = 2, d_off = 2085404527983360875, d_reclen = 24, d_name = '..' d_type = 4 (d), d_ino = 50013, d_off = 3188331865672730665, d_reclen = 24, d_name = '.' dirent '.lustre' has unknown d_type 20 d_type = 20 (!), d_ino = 50014, d_off = 8374721202256512604, d_reclen = 32, d_name = '.lustre' dirent 'D' has unknown d_type 20 d_type = 20 (!), d_ino = 50015, d_off = 9223372036854775807, d_reclen = 24, d_name = 'D' # # sys_getdents --verbose /mnt/mds1/ROOT/D/D/D/D/D/D/ dirent '..' has unknown d_type 20 d_type = 20 (!), d_ino = 50019, d_off = 2085404527983360875, d_reclen = 24, d_name = '..' d_type = 4 (d), d_ino = 50020, d_off = 6678178485617948048, d_reclen = 24, d_name = '.' dirent 'XXX' has unknown d_type 24 d_type = 24 (!), d_ino = 111, d_off = 9223372036854775807, d_reclen = 24, d_name = 'XXX'
- duplicates
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- Resolved
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