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

[George Melikov]

Please post your benchmark method.

____________________________________
Sincerely,
George Melikov,
Tel. 7-915-278-39-36
Skype: georgemelikov


16.10.2018, 12:03, "Riccardo Veraldi" <riccardo.veraldi at cnaf.infn.it>:
> 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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