[lustre-discuss] ptrlpcd parameters

Dilger, Andreas andreas.dilger at intel.com
Tue May 22 23:44:50 PDT 2018


On May 22, 2018, at 15:15, Riccardo Veraldi <Riccardo.Veraldi at cnaf.infn.it> wrote:
> 
> hello,
> 
> how to set ptrlpcd parameters at boot time ?
> 
> instead of
> 
> echo 32 > /sys/module/ptlrpc/parameters/max_ptlrpcds
> echo 3 > /sys/module/ptlrpc/parameters/ptlrpcd_bind_policy
> 
> I tried to load from /etd/modprobe.d/ptlrpc.conf 
> 
> options ptlrpcd max_ptlrpcds=32
> options ptlrpcd ptlrpcd_bind_policy=3
> 
> but this way does not work. the file in modprobe.d is ignored.

The module is not named "ptlrpcd", it is named "ptlrpc".

> also these 2 parameters are labeled as obsoleted but I found benefits
> setting ptlrpcd max_ptlrpcds to 32

The "max_ptlrpcds" and "ptlrpcd_bind_policy" parameters are obsolete, you
should use "ptlrpcd_per_cpt_max" and "ptlrpcd_partner_group_size" instead.

Cheers, Andreas
--
Andreas Dilger
Lustre Principal Architect
Intel Corporation









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