[lustre-discuss] lustre client 2.9 cannot mount 2.10.0 OSTs
Riccardo Veraldi
Riccardo.Veraldi at cnaf.infn.it
Mon Aug 7 20:09:34 PDT 2017
it is like if my /etc/modprobe.d/lustre.conf gets completely ignored
when lnet module is loaded
On 8/7/17 7:05 PM, Cowe, Malcolm J wrote:
> Lustre file system names cannot exceed 8 characters in length, but “scratch12” is 9 characters. Try changing the fsname to a smaller string. You can do this with tunefs.lustre on all the storage targets, but I can’t remember if you need to use --erase-params and recreate all the options. Alternatively, reformat.
>
> Malcolm.
>
> On 8/8/17, 11:30 am, "lustre-discuss on behalf of Riccardo Veraldi" <lustre-discuss-bounces at lists.lustre.org on behalf of Riccardo.Veraldi at cnaf.infn.it> wrote:
>
> trying to debug more this problem looks like tcp port 9888 is closed on
> the MDS.
> this is weird. lnet module is running. There is no firewall and OSSs and
> MDS are on the same subnet.
> but I Cannot connect to port 9888.
> There is anything which changed in Lustre 2.10.0 related to lnet and TCP
> ports that I need to take care of in the configuration ?
>
> On 8/7/17 6:13 PM, Riccardo Veraldi wrote:
> > Hello,
> >
> > I have a new Lustre cluster based on Lustre 2.10.0/ZFS 0.7.0 on Centos 7.3
> > Lustre FS creation went smooth.
> > When I tryed then to mount from the clients, Lustre is not able to mount
> > any of the OSTs.
> > It stops at MGS/MDT level.
> >
> > this is from the client side:
> >
> > mount.lustre: mount 192.168..48.254 at tcp2:/scratch12 at
> > /reg/data/scratch12 failed: Invalid argument
> > This may have multiple causes.
> > Is 'scratch12' the correct filesystem name?
> > Are the mount options correct?
> > Check the syslog for more info.
> >
> > Aug 7 17:58:53 psana1510 kernel: [285130.463377] LustreError:
> > 29240:0:(mgc_request.c:335:config_log_add()) logname scratch12-client is
> > too long
> > Aug 7 17:58:53 psana1510 kernel: [285130.463772] Lustre:
> > 3333:0:(client.c:2114:ptlrpc_expire_one_request()) @@@ Request sent has
> > failed due to network error: [sent 1502153933/real 1502153933]
> > req at ffff88203d75ec00 x1574823717093632/t0(0)
> > o250->MGC192.168.48.254 at tcp2@192.168.48.254 at tcp2:26/25 lens 520/544 e 0
> > to 1 dl 1502153938 ref 1 fl Rpc:eXN/0/ffffffff rc 0/-1
> > Aug 7 17:58:53 psana1510 kernel: [285130.469156] LustreError: 15b-f:
> > MGC192.168.48.254 at tcp2: The configuration from log
> > 'scratch12-client'failed from the MGS (-22). Make sure this client and
> > the MGS are running compatible versions of Lustre.
> > Aug 7 17:58:53 psana1510 kernel: [285130.472072] Lustre: Unmounted
> > scratch12-client
> > Aug 7 17:58:53 psana1510 kernel: [285130.473827] LustreError:
> > 29240:0:(obd_mount.c:1505:lustre_fill_super()) Unable to mount (-22)
> >
> > from the MDS side there is nothing in syslog. So I tried to engage tcpdump:
> >
> > 17:58:53.745610 IP psana1510.pcdsn.1023 >
> > psanamds12.pcdsn.cyborg-systems: Flags [S], seq 1356843681, win 29200,
> > options [mss 1460,sackOK,TS val 284847388 ecr 0,nop,wscale 7], length 0
> > 17:58:53.745644 IP psanamds12.pcdsn.cyborg-systems >
> > psana1510.pcdsn.1023: Flags [R.], seq 0, ack 1356843682, win 0, length 0
> > 17:58:58.757421 ARP, Request who-has psanamds12.pcdsn tell
> > psana1510.pcdsn, length 46
> > 17:58:58.757441 ARP, Reply psanamds12.pcdsn is-at 00:1a:4a:16:01:56 (oui
> > Unknown), length 28
> >
> > OSS, nothing in the log file or in tcpdump
> >
> > lustre client is 2.9 and the server 2.10.0
> >
> > I have no firewall running and no SElinux
> >
> > this never happened to me before. I am usually running older lustre
> > versions on clients but I never had this problem before.
> > Any hint ?
> >
> > thank you very much
> >
> > Rick
> >
> >
> >
> > _______________________________________________
> > lustre-discuss mailing list
> > lustre-discuss at lists.lustre.org
> > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>
>
> _______________________________________________
> lustre-discuss mailing list
> lustre-discuss at lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>
>
> _______________________________________________
> lustre-discuss mailing list
> lustre-discuss at lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>
More information about the lustre-discuss
mailing list