Minor Description
When multiple threads use lfs df concurrently, some commands return incorrect results
cat df_test.sh
#!/bin/bashfor i in {1..3}; do
lfs df /mnt/lustre >> /tmp/lfsdf/lfs_df${i} &
done
cat /tmp/lfsdf/lfs_df2 UUID 1K-blocks Used Available Use% Mounted on jiahtest-MDT0000_UUID 0 0 0 0% /mnt/lustre[MDT:0] jiahtest-MDT0001_UUID 0 0 0 0% /mnt/lustre[MDT:1] jiahtest-MDT0002_UUID 0 0 0 0% /mnt/lustre[MDT:2] jiahtest-MDT0003_UUID 0 0 0 0% /mnt/lustre[MDT:3] jiahtest-MDT0004_UUID 0 0 0 0% /mnt/lustre[MDT:4] jiahtest-MDT0005_UUID 0 0 0 0% /mnt/lustre[MDT:5] jiahtest-MDT0006_UUID 0 0 0 0% /mnt/lustre[MDT:6] jiahtest-MDT0007_UUID 0 0 0 0% /mnt/lustre[MDT:7] jiahtest-OST0005_UUID 0 0 0 0% /mnt/lustre[OST:5] jiahtest-OST0007_UUID 0 0 0 0% /mnt/lustre[OST:7] jiahtest-OST0018_UUID 0 0 0 0% /mnt/lustre[OST:24] jiahtest-OST001a_UUID 0 0 0 0% /mnt/lustre[OST:26] jiahtest-OST0021_UUID 0 0 0 0% /mnt/lustre[OST:33] jiahtest-OST0025_UUID 0 0 0 0% /mnt/lustre[OST:37] jiahtest-OST0027_UUID 0 0 0 0% /mnt/lustre[OST:39] jiahtest-OST0030_UUID 0 0 0 0% /mnt/lustre[OST:48] jiahtest-OST0105_UUID 1453120284 593239236 786464344 43% /mnt/lustre[OST:261] jiahtest-OST0107_UUID 1453120284 600055700 779647880 44% /mnt/lustre[OST:263] jiahtest-OST0118_UUID 1453120284 600927244 778776336 44% /mnt/lustre[OST:280] jiahtest-OST011a_UUID 1453120284 565686476 814017104 42% /mnt/lustre[OST:282] jiahtest-OST0121_UUID 1453120284 565681484 814022096 42% /mnt/lustre[OST:289] jiahtest-OST0125_UUID 1453120284 565690748 814012832 42% /mnt/lustre[OST:293] jiahtest-OST0127_UUID 1453120284 565681788 814021792 42% /mnt/lustre[OST:295] jiahtest-OST0130_UUID 1453120284 565919992 813783588 42% /mnt/lustre[OST:304]filesystem_summary: 11624962272 4622882668 6414745972 42% /mnt/lustre
Use wireshark to analyze the data packet and found that there is no 0 value in the statfs returned by mds. It is estimated that there is a problem with the client
有道词典
muzitest-MDT000 ...详细X
muzitest-MDT0004_UUID 0 0 0 0% / mnt /光泽(联合化疗:4) muzitest-MDT0005_UUID 0 0 0 0% / mnt /光泽(联合化疗:5) muzitest-MDT0006_UUID 0 0 0 0% / mnt /光泽(联合化疗:6) muzitest-MDT0007_UUID 0 0 0 0% / mnt /光泽(联合化疗:7)
Attachments
Issue Links
- duplicates
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LU-13296 statfs isn't work properly with MDT statfs proxy
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- Resolved
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