[lustre-discuss] slow write performance from client to server

[Riccardo Veraldi]

On 10/15/18 4:59 PM, Alexander I Kulyavtsev wrote:
> You can do a quick check with 2.10.5 client by mounting lustre on MDS if you do not have free node to install 2.10.5 client.
>
> Do you have lnet configured with IB or 10GE? LNet defaults to tcp if not set. Can it be you are connected through slow management network?
>
> Alex.

hi, my lnet is configured with both IB and 10GE. it is using IB I 
verified it and anyway performance is very slow even if it where just 
using tcp on 10GE

since I only get 2MB/s

thanks



>
> On 10/15/18, 6:41 PM, "lustre-discuss on behalf of Riccardo Veraldi" <lustre-discuss-bounces at lists.lustre.org on behalf of Riccardo.Veraldi at cnaf.infn.it> wrote:
>
>      Hello,
>      
>      I have a new Lustre FS version 2.10.5. 18 OSTs 18TB each on 3 OSSes.
>      
>      I noticed very slow performances couple of MB/sec when RHEL6 Lustre
>      clients  2.8.0 are writing to the fielsystem.
>      
>      Could it be a Lustre version problem server vs client ?
>      
>      I have no errors either on server or client side  that can debug it
>      further...
>      
>      thanks
>      
>      Rick
>      
>      
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