[LU-13427] "lfs df -v" prints too many MDTs

Tue, 26 May 2020 13:44:17 +0000

Running "lfs df -v" prints too many MDTs, as it shows all MDTs that might be configured in the lmv_tgts array, rather than skipping ones that are not present:

# lfs df -v
UUID                   1K-blocks        Used   Available Use% Mounted on
testfs-MDT0000_UUID       125368       98940       15192  87% /mnt/testfs[MDT:0]
testfs-MDT0001_UUID       125368       44420       69712  39% /mnt/testfs[MDT:1]
MDT0002             : inactive device
MDT0003             : inactive device
:
:
MDT003e             : inactive device
MDT003f             : inactive device
testfs-OST0000_UUID       325368       14684      283524   5% /mnt/testfs[OST:0]
testfs-OST0001_UUID       325368       14676      283532   5% /mnt/testfs[OST:1]
testfs-OST0002_UUID       325368       16720      281488   6% /mnt/testfs[OST:2]
testfs-OST0003_UUID       325368       14684      283524   5% /mnt/testfs[OST:3]

filesystem_summary:      1301472       60764     1132068   6% /mnt/testfs

Whamcloud Community JIRA

[LU-13427] "lfs df -v" prints too many MDTs