[Lustre-discuss] help needed.

Avi Gershon gershonavi at gmail.com
Wed Jan 2 01:42:59 PST 2008


Hello to every one and happy new year..
I think I have reduce my problem to this: lctl ping
132.66.176.211 at tcp0don't work for me for some strange reason
as you can see:
***********************************************************************************
[root at x-math20 ~]# lctl ping 132.66.176.211 at tcp0
failed to ping 132.66.176.211 at tcp: Input/output error
[root at x-math20 ~]# ping 132.66.176.211
PING 132.66.176.211 (132.66.176.211) 56(84) bytes of data.
64 bytes from 132.66.176.211: icmp_seq=0 ttl=64 time=0.152 ms
64 bytes from 132.66.176.211: icmp_seq=1 ttl=64 time=0.130 ms
64 bytes from 132.66.176.211: icmp_seq=2 ttl=64 time=0.131 m
--- 132.66.176.211 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2018ms
rtt min/avg/max/mdev = 0.130/0.137/0.152/0.016 ms, pipe 2
[root at x-math20 ~]#
*****************************************************************************************


On 12/24/07, Avi Gershon <gershonavi at gmail.com> wrote:
>
> Hi,
> here is the "iptables -L  " results:
>
>  NODE 1 132.66.176.212 <root at 132.66.176.212>
> Scientific Linux CERN SLC release 4.6 (Beryllium)
> root at 132.66.176.212's password:
> Last login: Sun Dec 23 22:01:18 2007 from x-fishelov.tau.ac.il
> [root at localhost ~]#
> [root at localhost ~]#
> [root at localhost ~]# iptables -L
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
>
> Chain FORWARD (policy ACCEPT)
> target     prot opt source               destination
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
>
> ************************************************************************************************
>  MDT 132.66.176.211
>
> Last login: Mon Dec 24 11:51:57 2007 from dynamic136-91.tau.ac.il
> [root at x-math20 ~]# iptables -L
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
>
> Chain FORWARD (policy ACCEPT)
> target     prot opt source               destination
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
> *************************************************************************
>
> NODE 2 132.66.176.215 <root at 132.66.176.215>
> Last login: Mon Dec 24 11:01:22 2007 from erezlab.tau.ac.il
> [root at x-mathr11 ~]# iptables -L
> Chain INPUT (policy ACCEPT)
> target     prot opt source               destination
> RH-Firewall-1-INPUT  all  --  anywhere             anywhere
>
> Chain FORWARD (policy ACCEPT)
> target     prot opt source               destination
> RH-Firewall-1-INPUT  all  --  anywhere             anywhere
>
> Chain OUTPUT (policy ACCEPT)
> target     prot opt source               destination
> Chain RH-Firewall-1-INPUT (2 references)
> target     prot opt source               destination
> ACCEPT     all  --  anywhere             anywhere
> ACCEPT     icmp --  anywhere             anywhere            icmp any
> ACCEPT     ipv6-crypt--  anywhere             anywhere
> ACCEPT     ipv6-auth--  anywhere             anywhere
> ACCEPT     udp  --  anywhere             224.0.0.251         udp dpt:5353
> ACCEPT     udp  --  anywhere             anywhere            udp dpt:ipp
> ACCEPT     all  --  anywhere             anywhere            state
> RELATED,ESTAB
> LISHED
> ACCEPT     tcp  --  anywhere             anywhere            state NEW tcp
> dpts:
> 30000:30101
> ACCEPT     tcp  --  anywhere             anywhere            state NEW tcp
> dpt:s
> sh
> ACCEPT     udp  --  anywhere             anywhere            state NEW udp
> dpt:a
> fs3-callback
> REJECT     all  --  anywhere             anywhere            reject-with
> icmp-ho
> st-prohibited
> [root at x-mathr11 ~]#
>
> ************************************************************
> one more thing....
> Do you use TCP protocol? or do you use UDP?
>
> Regards Avi,
> P.S I think a beginning of a beautiful friendship.. :-)
>
>
>
> On Dec 24, 2007 5:29 PM, Aaron Knister <aaron at iges.org> wrote:
>
> > That sounds like quite a task! Could you show me the contents of your
> > firewall rules on the systems mentioned below? (iptables -L) on each.
> > That would help to diagnose the problem further.
> >
> > -Aaron
> >
> > On Dec 24, 2007, at 1:21 AM, Yan Benhammou wrote:
> >
> > > Hi Aaron and thank you for you fast answwers.
> > > We are working (Avi,Meny and me) on the israeli GRID and we need to
> > > create a single huge file system for this GRID.
> > >     cheers
> > >          Yan
> > >
> > > ________________________________
> > >
> > > From: Aaron Knister [mailto:aaron at iges.org]
> > > Sent: Sun 12/23/2007 8:27 PM
> > > To: Avi Gershon
> > > Cc: lustre-discuss at clusterfs.com; Yan Benhammou; Meny Ben moshe
> > > Subject: Re: [Lustre-discuss] help needed.
> > >
> > >
> > > Can you check the firewall on each of those machines ( iptables -L )
> > > and paste that here. Also, is this network dedicated to Lustre?
> > > Lustre can easily saturate a network interface under load to the
> > > point it becomes difficult to login to a node if it only has one
> > > interface. I'd recommend using a different interface if you can.
> > >
> > > On Dec 23, 2007, at 11:03 AM, Avi Gershon wrote:
> > >
> > >
> > >       node 1 132.66.176.212 <http://132.66.176.212/>
> > >       node 2 132.66.176.215 < http://132.66.176.215/>
> > >
> > >       [root at x-math20 ~]# ssh 132.66.176.215 <http://132.66.176.215/ >
> > >       root at 132.66.176.215's password:
> > >       ssh(21957) Permission denied, please try again.
> > >       root at 132.66.176.215 's password:
> > >       Last login: Sun Dec 23 14:32:51 2007 from x-math20.tau.ac.il <http://x-math20.tau.ac.il/
> >
> > > >
> > >       [root at x-mathr11 ~]#  lctl ping 132.66.176.211 at tcp0
> > >       failed to ping 132.66.176.211 at tcp: Input/output error
> > >       [root at x-mathr11 ~]#  lctl list_nids
> > >       132.66.176.215 at tcp
> > >       [root at x-mathr11 ~]# ssh 132.66.176.212 <http://132.66.176.212/>
> > >       The authenticity of host ' 132.66.176.212 <
> > http://132.66.176.212/>
> > > (132.66.176.212 <http://132.66.176.212/> )' can't be established.
> > >       RSA1 key fingerprint is
> > 85:2a:c1:47:84:b7:b5:a6:cd:c4:57:86:af:ce:
> > > 7e:74.
> > >       Are you sure you want to continue connecting (yes/no)? yes
> > >       ssh(11526) Warning: Permanently added '132.66.176.212 <http://132.66.176.212/
> > > > ' (RSA1) to the list of kno
> > >       wn hosts.
> > >       root at 132.66.176.212's password:
> > >       Last login: Sun Dec 23 15:24:41 2007 from x-math20.tau.ac.il <
> > http://x-math20.tau.ac.il/
> > > >
> > >       [root at localhost ~]# lctl ping 132.66.176.211 at tcp0
> > >       failed to ping 132.66.176.211 at tcp: Input/output error
> > >       [root at localhost ~]# lctl list_nids
> > >       132.66.176.212 at tcp
> > >       [root at localhost ~]#
> > >
> > >
> > >       thanks for helping!!
> > >       Avi
> > >
> > >
> > >       On Dec 23, 2007 5:32 PM, Aaron Knister <aaron at iges.org> wrote:
> > >
> > >
> > >               On the oss can you ping the mds/mgs using this command--
> >
> > >
> > >               lctl ping 132.66.176.211 at tcp0
> > >
> > >               If it doesn't ping, list the nids on each node by
> > running
> > >
> > >               lctl list_nids
> > >
> > >               and tell me what comes back.
> > >
> > >               -Aaron
> > >
> > >
> > >               On Dec 23, 2007, at 9:22 AM, Avi Gershon wrote:
> > >
> > >
> > >                       HI I could use some help.
> > >                       I installed lustre on 3 computers
> > >                        mdt/mgs :
> > >
> > >
> > >
> > ************************************************************************************8
> > >                       [root at x-math20 ~]#mkfs.lustre --reformat
> > --fsname spfs --mdt --
> > > mgs /dev/hdb
> > >
> > >                          Permanent disk data:
> > >                       Target:     spfs-MDTffff
> > >                       Index:      unassigned
> > >                       Lustre FS:  spfs
> > >                       Mount type: ldiskfs
> > >                       Flags:      0x75
> > >                                     (MDT MGS needs_index first_time
> > update )
> > >                       Persistent mount opts:
> > errors=remount-ro,iopen_nopriv,user_xattr
> > >                       Parameters:
> > >
> > >                       device size = 19092MB
> > >                       formatting backing filesystem ldiskfs on
> > /dev/hdb
> > >                               target name  spfs-MDTffff
> > >                               4k blocks     0
> > >                               options        -J size=400 -i 4096 -I
> > 512 -q -O dir_index
> > > -F
> > >                       mkfs_cmd = mkfs.ext2 -j -b 4096 -L spfs-MDTffff
> >  -J size=400 -i
> > > 4096 -I 512 -q -O dir_index -F /dev/hdb
> > >                       Writing CONFIGS/mountdata
> > >                       [root at x-math20 ~]# df
> > >                       Filesystem           1K-blocks      Used
> > Available Use% Mounted on
> > >                       /dev/hda1             19228276   4855244
> >  13396284  27% /
> > >                       none                    127432         0
> >  127432   0% /dev/shm
> > >                       /dev/hdb              17105436    455152
> >  15672728   3% /mnt/test/
> > > mdt
> > >                       [root at x-math20 ~]# cat /proc/fs/lustre/devices
> > >                         0 UP mgs MGS MGS 5
> > >                         1 UP mgc MGC132.66.176.211 at tcp
> > > 5f5ba729-6412-3843-2229-1310a0b48f71 5
> > >                         2 UP mdt MDS MDS_uuid 3
> > >                         3 UP lov spfs-mdtlov spfs-mdtlov_UUID 4
> > >                         4 UP mds spfs-MDT0000 spfs-MDT0000_UUID 3
> > >                       [ root at x-math20 ~]#
> > >
> > *************************************************************end
> > > mdt******************************8
> > >                       so you can see that the MGS is up
> > >                       ond on the ost's I get an error!! plz help...
> > >
> > >                       ost:
> > >
> > > **********************************************************************
> > >                       [ root at x-mathr11 ~]# mkfs.lustre --reformat
> > --fsname spfs --ost --
> > > mgsnode=132.66. 176.211 at tcp0 /dev/hdb1
> > >
> > >                          Permanent disk data:
> > >                       Target:     spfs-OSTffff
> > >                       Index:      unassigned
> > >                       Lustre FS:  spfs
> > >                       Mount type: ldiskfs
> > >                       Flags:      0x72
> > >                                     (OST needs_index first_time update
> > )
> > >                       Persistent mount opts:
> > errors=remount-ro,extents,mballoc
> > >                       Parameters: mgsnode=132.66.176.211 at tcp
> > >
> > >                       device size = 19594MB
> > >                       formatting backing filesystem ldiskfs on
> > /dev/hdb1
> > >                               target name  spfs-OSTffff
> > >                               4k blocks     0
> > >                               options        -J size=400 -i 16384 -I
> > 256 -q -O
> > > dir_index -F
> > >                       mkfs_cmd = mkfs.ext2 -j -b 4096 -L spfs-OSTffff
> >  -J size=400 -i
> > > 16384 -I 256 -q -O dir_index -F /dev/hdb1
> > >                       Writing CONFIGS/mountdata
> > >                       [ root at x-mathr11 ~]# /CONFIGS/mountdata
> > >                       -bash: /CONFIGS/mountdata: No such file or
> > directory
> > >                       [root at x-mathr11 ~]# mount -t lustre /dev/hdb1
> > /mnt/test/ost1
> > >                       mount.lustre: mount /dev/hdb1 at /mnt/test/ost1
> > failed: Input/
> > > output error
> > >                       Is the MGS running?
> > >
> > ***********************************************end
> > > ost********************************
> > >
> > >                       can any one point out the problem?
> > >                       thanks Avi.
> > >
> > >
> > >
> > >                       _______________________________________________
> > >                       Lustre-discuss mailing list
> > >                       Lustre-discuss at clusterfs.com
> > >
> > https://mail.clusterfs.com/mailman/listinfo/lustre-discuss
> > >
> > >
> > >
> > >
> > >
> > >               Aaron Knister
> > >               Associate Systems Administrator/Web Designer
> > >               Center for Research on Environment and Water
> > >
> > >               (301) 595-7001
> > >               aaron at iges.org
> > >
> > >
> > >
> > >
> > >
> > >
> > > Aaron Knister
> > > Associate Systems Administrator/Web Designer
> > > Center for Research on Environment and Water
> > >
> > > (301) 595-7001
> > > aaron at iges.org
> > >
> > >
> > >
> >
> > Aaron Knister
> > Associate Systems Administrator/Web Designer
> > Center for Research on Environment and Water
> >
> > (301) 595-7001
> > aaron at iges.org
> >
> >
> >
> >
>
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