[lustre-discuss] lfs df showing a "D" after an ost

[Kurt Strosahl]

Good Afternoon,

    I've got a new 2.12 lustre file system up, and when I run a lfs df it shows a D next to one of the OSTs.  I'm not quite sure what has put that D there.  I did do a disk replacement test on that OST yesterday, so I'm thinking that it is some sort of marker for the underlying zpool being degraded, but the rebuild finished more then 24 hours ago.

Looking through the manual (section 13.7) there is a reference to setting OSTs to a degraded state, but when I run the get_param it returns an error

lctl get_param obdfilter.*.degraded
error: get_param: param_path 'obdfilter/*/degraded': No such file or directory

lfs df -h
UUID                       bytes        Used   Available Use% Mounted on
lustre19-MDT0000_UUID        2.5T       12.1M        2.5T   0% /lustre19[MDT:0]
lustre19-OST0000_UUID       66.3T        5.4T       60.8T   8% /lustre19[OST:0] D
lustre19-OST0001_UUID       66.3T       19.0M       66.3T   0% /lustre19[OST:1]
lustre19-OST0002_UUID       66.3T        4.4T       61.8T   7% /lustre19[OST:2]


w/r,

Kurt J. Strosahl
System Administrator: Lustre, HPC
Scientific Computing Group, Thomas Jefferson National Accelerator Facility
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