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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I have a 1.8.4 server, and I recently built 2.1 beta client.
Should it be possible to mount the 1.8.4 server using the Lustre 2.1 client.
I cannot. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>dmesg shows the following:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: OBD class driver, http://www.lustre.org/<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre:
Lustre Version: 2.0.62<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre:
Build Version: ../lustre/scripts--PRISTINE-2.6.32-71.29.1.el6_trunk_roger<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: Lustre LU module (ffffffffa0323180).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: Register global MR array, MR size:
0xffffffffffffffff, array size: 1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=IT style='font-size:10.0pt;
font-family:Arial'>Lustre: Added LNI 10.2.3.113@o2ib [8/64/0/180]<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=IT style='font-size:10.0pt;
font-family:Arial'>Lustre: Lustre OSC module (ffffffffa0548a20).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=IT style='font-size:10.0pt;
font-family:Arial'>Lustre: Lustre LOV module (ffffffffa05b0f00).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=FR style='font-size:10.0pt;
font-family:Arial'>Lustre: Lustre client module (ffffffffa0647ae0).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=FR style='font-size:10.0pt;
font-family:Arial'>Lustre: 28105:0:(sec.c:1474:sptlrpc_import_sec_adapt())
import MGC10.2.34.111@o2ib->MGC10.2.34.111@o2ib_0 netid 5000<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>0: select flavor null<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError: 152-6: Ignoring deprecated mount option
'noacl'.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: MGC10.2.34.111@o2ib: Reactivating import<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: Server MGS version (1.8.4.0) is much older. Consider
upgrading this client (2.0.62)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: 28105:0:(sec.c:1474:sptlrpc_import_sec_adapt())
import IDADTS-MDT0000-mdc-ffff880613540000->10.2.34.111@o2ib<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> netid 50000: select flavor null<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: Server IDADTS-MDT0000_UUID version (1.8.4.0) is much
older. Consider upgrading this client (2.0.62)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: client wants to enable acl, but mdt not!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError:
28105:0:(pack_generic.c:410:lustre_msg_buf_v2()) msg ffff8805f1ce9800 buffer[1]
size 168 too small (req<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>uired 216, opc=40)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError: 28105:0:(layout.c:1661:__req_capsule_get()) @@@
Wrong buffer for field `mdt_body' (1 of 2) in format `M<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>DS_GETSTATUS': 168 vs. 216 (server)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> req@ffff8805f1ce9c00 x1372337387601958/t0(0)
o-1->IDADTS-MDT0000_UUID@10.2.34.111@o2ib:12/10 lens 408/360 e 0 to 0<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> dl 1308762928 ref 1 fl Complete:R/ffffffff/ffffffff rc
0/-1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError: 28105:0:(llite_lib.c:419:client_common_fill_super())
cannot mds_connect: rc = -71<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError: 28165:0:(lov_obd.c:482:lov_notify()) event(2)
of IDADTS-OST0000_UUID failed: -22<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError: 28165:0:(lov_obd.c:482:lov_notify()) event(2)
of IDADTS-OST0001_UUID failed: -22<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: 28165:0:(client.c:1776:ptlrpc_expire_one_request())
@@@ Request x1372337387601936 sent from IDADTS-OST0002-o<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>sc-ffff880613540000 to NID 10.2.34.114@o2ib has failed due
to network error: [sent 1308762921] [real_sent 1308762921<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>] [current 1308762921] [deadline 5s] [delay -5s]
req@ffff8805f1cd4800 x1372337387601936/t0(0) o-1->IDADTS-OST0002_U<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>UID@10.2.34.114@o2ib:28/4 lens 368/392 e 0 to 1 dl
1308762926 ref 1 fl Rpc:XN/ffffffff/ffffffff rc 0/-1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: 28165:0:(client.c:1776:ptlrpc_expire_one_request())
@@@ Request x1372337387601937 sent from IDADTS-OST0003-o<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>sc-ffff880613540000 to NID 10.2.34.114@o2ib has failed due
to network error: [sent 1308762921] [real_sent 1308762921<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>] [current 1308762921] [deadline 5s] [delay -5s]
req@ffff8805f1cd4000 x1372337387601937/t0(0) o-1->IDADTS-OST0003_U<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>UID@10.2.34.114@o2ib:28/4 lens 368/392 e 0 to 1 dl
1308762926 ref 1 fl Rpc:XN/ffffffff/ffffffff rc 0/-1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError:
28105:0:(ldlm_request.c:1169:ldlm_cli_cancel_req()) Got rc -108 from cancel
RPC: canceling anyway<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError: 28105:0:(ldlm_request.c:1796:ldlm_cli_cancel_list())
ldlm_cli_cancel_list: -108<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Lustre: client ffff880613540000 umount complete<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>LustreError: 28105:0:(obd_mount.c:2151:lustre_fill_super())
Unable to mount (-71)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Roger Spellman<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Staff Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Terascala, Inc.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>508-588-1501<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>www.terascala.com <http://www.terascala.com/><o:p></o:p></span></font></p>
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