Hello,
I did set a bunch of params from the MDS so that they can be taken up by
the Lustre clients
lctl set_param -P osc.*.checksums=0
lctl set_param -P timeout=600
lctl set_param -P at_min=250
lctl set_param -P at_max=600
lctl set_param -P ldlm.namespaces.*.lru_size=2000
lctl set_param -P osc.*.max_rpcs_in_flight=64
lctl set_param -P osc.*.max_dirty_mb=1024
lctl set_param -P llite.*.max_read_ahead_mb=1024
lctl set_param -P llite.*.max_cached_mb=81920
lctl set_param -P llite.*.max_read_ahead_per_file_mb=1024
lctl set_param -P subsystem_debug=0
it works but not for osc.*.checksums=0
every time a client reboots and the filesystem is remounted I have to
lctl set_param -P osc.*.checksums=0 on the MDS again so that
all the clients will take again this setting. I do not know why this
happens. Any clue ?
I am using Lustre 2.10.5 Centos 7 with kernel 3.10.0-862.14.4.el7.x86_64
thanks
Riccardo
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