Fernando Could you please open a JIRA ticket to track this issue?
Thanks Peter On 12/19/16, 5:33 AM, "lustre-discuss on behalf of Fernando Perez" <lustre-discuss-boun...@lists.lustre.org on behalf of fpe...@icm.csic.es> wrote: >Dear lustre experts. > >I detect a serious interoperability problem between lustre 2.8 server >side and lustre 2.9 clients: > >We have a lustre 2.8 on mgs/mds and oss's and lustre 2.8 clients. >Yesterday I update a couple of clients to lustre 2.9 and I detect that >this clients cannot read a lot of files of our lustre filesystem. The >outputs when we try to read several files is the following: > >[root@turing lustre-2.9.0_el7_client]# lfs getstripe >/mnt/lustre/users/cgabarro/L3_cadena_interna/comparacio_SSSL2_ARGO/filter_ >case_3/TOT_results_SMOS_argo_filter_v3_20110221_20110302.dat >error opening >/mnt/lustre/users/cgabarro/L3_cadena_interna/comparacio_SSSL2_ARGO/filter_ >case_3/TOT_results_SMOS_argo_filter_v3_20110221_20110302.dat: >No such file or directory (2) >llapi_semantic_traverse: Failed to open >'/mnt/lustre/users/cgabarro/L3_cadena_interna/comparacio_SSSL2_ARGO/filter >_case_3/TOT_results_SMOS_argo_filter_v3_20110221_20110302.dat': >No such file or directory (2) >error: getstripe failed for >/mnt/lustre/users/cgabarro/L3_cadena_interna/comparacio_SSSL2_ARGO/filter_ >case_3/TOT_results_SMOS_argo_filter_v3_20110221_20110302.dat > >As you can see in other clients with lustre 2.8 clients there is no >problem to read this file: > >[root@gaia ~]# lfs getstripe >/mnt/lustre/users/cgabarro/L3_cadena_interna/comparacio_SSSL2_ARGO/filter_ >case_3/TOT_results_SMOS_argo_filter_v3_20110221_20110302.dat >/mnt/lustre/users/cgabarro/L3_cadena_interna/comparacio_SSSL2_ARGO/filter_ >case_3/TOT_results_SMOS_argo_filter_v3_20110221_20110302.dat >lmm_stripe_count: 1 >lmm_stripe_size: 1048576 >lmm_pattern: 1 >lmm_layout_gen: 2 >lmm_stripe_offset: 3 > obdidx objid objid group > 3 5235570 0x4fe372 0 > >This problem only happens with lustre 2.9 clients and there is no errors >in the oss and mds/mgs servers. I see that this problems only happens >when I read some files, not all files, from some ldiskfs ost's. > >After downgrade to 2.8 lustre the clients we cannot reproduce this >problem. > >Regards. > > >-- >============================================= >Fernando Pérez >Institut de Ciències del Mar (CMIMA-CSIC) >Departament Oceanografía Física i Tecnològica >Passeig Marítim de la Barceloneta,37-49 >08003 Barcelona >Phone: (+34) 93 230 96 35 >============================================= > >_______________________________________________ >lustre-discuss mailing list >lustre-discuss@lists.lustre.org >http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org _______________________________________________ lustre-discuss mailing list lustre-discuss@lists.lustre.org http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org