[lustre-discuss] lustre-discuss Digest, Vol 124, Issue 17

sohamm sohamm at gmail.com
Mon Jul 18 19:25:40 PDT 2016


Hi Ben
Both the networks have netmasks of value 255.255.255.0

Thanks

On Mon, Jul 18, 2016 at 10:08 AM, Ben Evans <bevans at cray.com> wrote:

> What do your netmasks look like on each network?
>
> From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf
> of sohamm <sohamm at gmail.com>
> Date: Monday, July 18, 2016 at 1:56 AM
> To: "lustre-discuss at lists.lustre.org" <lustre-discuss at lists.lustre.org>
> Subject: Re: [lustre-discuss] lustre-discuss Digest, Vol 124, Issue 17
>
> Hi Thomas
> Below are the results of the commands you suggested.
>
> *From Client*
> [root at dev1 ~]# lctl ping 192.168.200.52 at o2ib
> failed to ping 192.168.200.52 at o2ib: Input/output error
> [root at dev1 ~]# lctl ping 192.168.111.52 at tcp
> 12345-0 at lo
> 12345-192.168.200.52 at o2ib
> 12345-192.168.111.52 at tcp
> [root at dev1 ~]# mount -t lustre 192.168.111.52 at tcp:/mylustre /lustre
> mount.lustre: mount 192.168.111.52 at tcp:/mylustre at /lustre failed:
> Input/output error
> Is the MGS running?
> mount: mounting 192.168.111.52 at tcp:/mylustre on /lustre failed: Invalid
> argument
>
> cat /var/log/messages | tail
> Jul 18 01:37:04 dev1 user.warn kernel: [2250504.401397] ib1: multicast
> join failed for ff12:401b:ffff:0000:0000:0000:ffff:ffff, status -22
> Jul 18 01:37:26 dev1 user.warn kernel: [2250526.257309] LNet: No route to
> 12345-192.168.200.52 at o2ib via <?> (all routers down)
> Jul 18 01:37:36 dev1 user.warn kernel: [2250536.481862] ib1: multicast
> join failed for ff12:401b:ffff:0000:0000:0000:ffff:ffff, status -22
> Jul 18 01:41:53 dev1 user.warn kernel: [2250792.947299] LNet: No route to
> 12345-192.168.200.52 at o2ib via <?> (all routers down)
>
>
> *From MGS*
> [root at lustre_mgs01_vm03 ~]# lctl ping 192.168.111.102 at tcp
> 12345-0 at lo
> 12345-192.168.111.102 at tcp
>
> Please let me know what else i can try. Looks like i am missing something
> with the ib config? Do i need router setup as part of lnet ?
> if i am able to ping mgs from client on the tcp network, it should still
> work ?
>
> Thanks
>
>
> On Sun, Jul 17, 2016 at 1:07 PM, <lustre-discuss-request at lists.lustre.org>
> wrote:
>
>> Send lustre-discuss mailing list submissions to
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>> or, via email, send a message with subject or body 'help' to
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>> When replying, please edit your Subject line so it is more specific
>> than "Re: Contents of lustre-discuss digest..."
>>
>>
>> Today's Topics:
>>
>>    1. llapi_file_get_stripe() and /proc/fs/lustre/osc/  entries
>>       (John Bauer)
>>    2. luster client mount issues (sohamm)
>>    3. Re: luster client mount issues (Thomas Roth)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Sat, 16 Jul 2016 15:11:22 -0500
>> From: John Bauer <bauerj at iodoctors.com>
>> To: "lustre-discuss at lists.lustre.org"
>>         <lustre-discuss at lists.lustre.org>
>> Subject: [lustre-discuss] llapi_file_get_stripe() and
>>         /proc/fs/lustre/osc/    entries
>> Message-ID: <03ceaaa0-b004-ae43-eaa1-437da2a5b717 at iodoctors.com>
>> Content-Type: text/plain; charset="utf-8"; Format="flowed"
>>
>> I am using *llapi_file_get_stripe()* to get the ost indexes that a file
>> is striped on.  That part is working fine. But there are multiple Lustre
>> file systems on the node resulting in multiple **OST0000* *in the
>> directory /proc/fs/lustre/osc.  Is there something in the *struct
>> lov_user_ost_data* or *struct lov_user_md* that would indicate which of
>> the following directories pertains to the file's OST ?
>>
>> dr-xr-xr-x 2 root root 0 Jul 16 12:31 nbp1-OST0000-osc-ffff880287ae4c00
>> dr-xr-xr-x 2 root root 0 Jul 16 12:31 nbp2-OST0000-osc-ffff881034d99000
>> dr-xr-xr-x 2 root root 0 Jul 16 12:31 nbp6-OST0000-osc-ffff881003cd7800
>> dr-xr-xr-x 2 root root 0 Jul 16 12:31 nbp7-OST0000-osc-ffff880ffe051c00
>> dr-xr-xr-x 2 root root 0 Jul 16 12:31 nbp8-OST0000-osc-ffff880ffe054c00
>> dr-xr-xr-x 2 root root 0 Jul 16 12:31 nbp9-OST0000-osc-ffff880fcf179400
>>
>> Thanks
>>
>> --
>> I/O Doctors, LLC
>> 507-766-0378
>> bauerj at iodoctors.com
>>
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>>
>> ------------------------------
>>
>> Message: 2
>> Date: Sat, 16 Jul 2016 14:34:35 -0700
>> From: sohamm <sohamm at gmail.com>
>> To: lustre-discuss at lists.lustre.org
>> Subject: [lustre-discuss] luster client mount issues
>> Message-ID:
>>         <
>> CAKGc+eBQ+MCdbSrc7Ft4gd+zmZ6FbAZHaVhSQtpgOshYrJqhhw at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hi
>>
>> I am trying to mount lustre client. Below are steps and necessary
>> information surrounding the issue. Please let me know if i am missing
>> something
>>
>> Thanks
>> Div
>>
>> *Mgs:*
>>
>> [root at lustre_mgs01_vm03 ~]# cat /etc/modprobe.d/lustre.conf
>>
>> options lnet networks=o2ib(ib0),tcp0(eth0)
>>
>>
>>
>> [root at lustre_mgs01_vm03 ~]# modprobe lnet
>>
>> [root at lustre_mgs01_vm03 ~]# lsmod | grep lnet
>>
>> lnet                  449065  0
>>
>> libcfs                405839  1 lnet
>>
>> [root at lustre_mgs01_vm03 ~]# lctl network up
>>
>> LNET configured
>>
>> [root at lustre_mgs01_vm03 ~]# lctl list_nids
>>
>> 192.168.200.52 at o2ib
>>
>> 192.168.111.52 at tcp
>>
>> *On Client:*
>> I am able to ping MGS on both tcp and ib network
>>
>> [root at dev1~]# ping 192.168.111.52
>>
>> PING 192.168.111.52 (192.168.111.52) 56(84) bytes of data.
>>
>> 64 bytes from 192.168.111.52: icmp_req=1 ttl=64 time=5.81 ms
>>
>> 64 bytes from 192.168.111.52: icmp_req=2 ttl=64 time=0.802 ms
>>
>> 64 bytes from 192.168.111.52: icmp_req=3 ttl=64 time=0.780 ms
>>
>> ^C
>>
>> --- 192.168.111.52 ping statistics ---
>>
>> 3 packets transmitted, 3 received, 0% packet loss, time 2000ms
>>
>> rtt min/avg/max/mdev = 0.780/2.464/5.811/2.366 ms
>>
>> [root at dev1 ~]# ping 192.168.200.52
>>
>> PING 192.168.200.52 (192.168.200.52) 56(84) bytes of data.
>>
>> 64 bytes from 192.168.200.52: icmp_req=1 ttl=64 time=24.4 ms
>>
>> 64 bytes from 192.168.200.52: icmp_req=2 ttl=64 time=2.14 ms
>>
>> 64 bytes from 192.168.200.52: icmp_req=3 ttl=64 time=0.782 ms
>>
>> 64 bytes from 192.168.200.52: icmp_req=4 ttl=64 time=9.30 ms
>>
>> ^C
>>
>> --- 192.168.200.52 ping statistics ---
>>
>> 4 packets transmitted, 4 received, 0% packet loss, time 3005ms
>>
>>
>> *client mount commands*
>>
>> mount -t lustre 192.168.111.52 at tcp:/mylustre /lustre ( or)
>>
>> mount -t lustre 192.168.111.52 at tcp0:/mylustre /lustre ( or)
>>
>> mount -t lustre 192.168.200.52 at ob2:/mylustre /lustre
>>
>>
>> *cat /var/log/messages | tail -40*
>>
>> Jul 16 17:03:17 dev1 user.err kernel: [2133277.466013] LustreError: 162-5:
>> Missing mount data: check that /sbin/mount.lustre is installed.
>>
>> Jul 16 17:03:17 dev1 user.err kernel: [2133277.466064] LustreError:
>> 13627:0:(obd_mount.c:1325:lustre_fill_super()) Unable to mount  (-22)
>>
>> Jul 16 17:03:23 dev1 user.warn kernel: [2133282.680519] Lustre:
>> 12364:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
>> timed out for slow reply: [sent 1468702998/real 1468702998]
>> req at ffff8801e0bc3c00 x1539427524411444/t0(0) o250->MGC192.168.111.52
>>
>> Jul 16 17:03:24 dev1 user.err kernel: [2133283.680193] LustreError:
>> 13628:0:(client.c:1083:ptlrpc_import_delay_req()) @@@ send limit expired
>> req at ffff8801e0bc7000 x1539427524411448/t0(0) o101->MGC192.168.111.52 at tcp
>> @192.168.111.52 at tcp:26/25 lens 328/344 e 0 to 0 dl
>>
>> Jul 16 17:03:31 dev1 user.err kernel: [2133290.760978] LustreError:
>> 13657:0:(client.c:1083:ptlrpc_import_delay_req()) @@@ send limit expired
>> req at ffff8801b7159800 x1539427524411456/t0(0) o101->MGC192.168.111.52 at tcp
>> @192.168.111.52 at tcp:26/25 lens 328/344 e 0 to 0 dl
>>
>> Jul 16 17:03:43 dev1 user.warn kernel: [2133302.681412] Lustre:
>> 12364:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
>> failed due to network error: [sent 1468703023/real 1468703023]
>> req at ffff8801d6bfc800 x1539427524411460/t0(0) o250->MGC192.168.111
>>
>> Jul 16 17:04:08 dev1 user.warn kernel: [2133327.681402] Lustre:
>> 12364:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
>> failed due to network error: [sent 1468703048/real 1468703048]
>> req at ffff8801d6bfec00 x1539427524411464/t0(0) o250->MGC192.168.111
>>
>> Jul 16 17:04:15 dev1 user.err kernel: [2133334.680175] LustreError:
>> 13628:0:(client.c:1083:ptlrpc_import_delay_req()) @@@ send limit expired
>> req at ffff8801e0bc7000 x1539427524411452/t0(0) o101->MGC192.168.111.52 at tcp
>> @192.168.111.52 at tcp:26/25 lens 328/344 e 0 to 0 dl
>>
>> Jul 16 17:04:15 dev1 user.err kernel: [2133334.680316] LustreError: 15c-8:
>> MGC192.168.111.52 at tcp: The configuration from log 'mylustre-client'
>> failed
>> (-5). This may be the result of communication errors between this node and
>> the MGS, a bad configuration, or other e
>>
>> Jul 16 17:04:15 dev1 user.err kernel: [2133334.680357] LustreError:
>> 13628:0:(llite_lib.c:1046:ll_fill_super()) Unable to process log: -5
>>
>> Jul 16 17:04:15 dev1 user.warn kernel: [2133334.680881] Lustre: Unmounted
>> mylustre-client
>>
>> Jul 16 17:04:15 dev1 user.err kernel: [2133334.731730] LustreError:
>> 13628:0:(obd_mount.c:1325:lustre_fill_super()) Unable to mount  (-5)
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>> >
>>
>> ------------------------------
>>
>> Message: 3
>> Date: Sun, 17 Jul 2016 10:19:18 +0200
>> From: Thomas Roth <t.roth at gsi.de>
>> To: <lustre-discuss at lists.lustre.org>
>> Subject: Re: [lustre-discuss] luster client mount issues
>> Message-ID: <578B3F86.1060203 at gsi.de>
>> Content-Type: text/plain; charset="windows-1252"; format=flowed
>>
>> Hi,
>>
>> try 'lctl ping' from your clients to the MDS to check if you get through
>> on lnet, e.g.
>>
>> lctl ping ping 192.168.200.52 at o2ib
>>
>> or
>>
>> lctl ping 192.168.111.52 at tcp
>>
>>
>> and vice versa from the MDS to the clients' nids.
>>
>> Regards,
>> Thomas
>>
>> On 07/16/2016 11:34 PM, sohamm wrote:
>> > Hi
>> >
>> > I am trying to mount lustre client. Below are steps and necessary
>> > information surrounding the issue. Please let me know if i am missing
>> > something
>> >
>> > Thanks
>> > Div
>> >
>> > *Mgs:*
>> >
>> > [root at lustre_mgs01_vm03 ~]# cat /etc/modprobe.d/lustre.conf
>> >
>> > options lnet networks=o2ib(ib0),tcp0(eth0)
>> >
>> >
>> >
>> > [root at lustre_mgs01_vm03 ~]# modprobe lnet
>> >
>> > [root at lustre_mgs01_vm03 ~]# lsmod | grep lnet
>> >
>> > lnet                  449065  0
>> >
>> > libcfs                405839  1 lnet
>> >
>> > [root at lustre_mgs01_vm03 ~]# lctl network up
>> >
>> > LNET configured
>> >
>> > [root at lustre_mgs01_vm03 ~]# lctl list_nids
>> >
>> > 192.168.200.52 at o2ib
>> >
>> > 192.168.111.52 at tcp
>> >
>> > *On Client:*
>> > I am able to ping MGS on both tcp and ib network
>> >
>> > [root at dev1~]# ping 192.168.111.52
>> >
>> > PING 192.168.111.52 (192.168.111.52) 56(84) bytes of data.
>> >
>> > 64 bytes from 192.168.111.52: icmp_req=1 ttl=64 time=5.81 ms
>> >
>> > 64 bytes from 192.168.111.52: icmp_req=2 ttl=64 time=0.802 ms
>> >
>> > 64 bytes from 192.168.111.52: icmp_req=3 ttl=64 time=0.780 ms
>> >
>> > ^C
>> >
>> > --- 192.168.111.52 ping statistics ---
>> >
>> > 3 packets transmitted, 3 received, 0% packet loss, time 2000ms
>> >
>> > rtt min/avg/max/mdev = 0.780/2.464/5.811/2.366 ms
>> >
>> > [root at dev1 ~]# ping 192.168.200.52
>> >
>> > PING 192.168.200.52 (192.168.200.52) 56(84) bytes of data.
>> >
>> > 64 bytes from 192.168.200.52: icmp_req=1 ttl=64 time=24.4 ms
>> >
>> > 64 bytes from 192.168.200.52: icmp_req=2 ttl=64 time=2.14 ms
>> >
>> > 64 bytes from 192.168.200.52: icmp_req=3 ttl=64 time=0.782 ms
>> >
>> > 64 bytes from 192.168.200.52: icmp_req=4 ttl=64 time=9.30 ms
>> >
>> > ^C
>> >
>> > --- 192.168.200.52 ping statistics ---
>> >
>> > 4 packets transmitted, 4 received, 0% packet loss, time 3005ms
>> >
>> >
>> > *client mount commands*
>> >
>> > mount -t lustre 192.168.111.52 at tcp:/mylustre /lustre ( or)
>> >
>> > mount -t lustre 192.168.111.52 at tcp0:/mylustre /lustre ( or)
>> >
>> > mount -t lustre 192.168.200.52 at ob2:/mylustre /lustre
>> >
>> >
>> > *cat /var/log/messages | tail -40*
>> >
>> > Jul 16 17:03:17 dev1 user.err kernel: [2133277.466013] LustreError:
>> 162-5:
>> > Missing mount data: check that /sbin/mount.lustre is installed.
>> >
>> > Jul 16 17:03:17 dev1 user.err kernel: [2133277.466064] LustreError:
>> > 13627:0:(obd_mount.c:1325:lustre_fill_super()) Unable to mount  (-22)
>> >
>> > Jul 16 17:03:23 dev1 user.warn kernel: [2133282.680519] Lustre:
>> > 12364:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
>> > timed out for slow reply: [sent 1468702998/real 1468702998]
>> > req at ffff8801e0bc3c00 x1539427524411444/t0(0) o250->MGC192.168.111.52
>> >
>> > Jul 16 17:03:24 dev1 user.err kernel: [2133283.680193] LustreError:
>> > 13628:0:(client.c:1083:ptlrpc_import_delay_req()) @@@ send limit expired
>> > req at ffff8801e0bc7000 x1539427524411448/t0(0)
>> o101->MGC192.168.111.52 at tcp
>> > @192.168.111.52 at tcp:26/25 lens 328/344 e 0 to 0 dl
>> >
>> > Jul 16 17:03:31 dev1 user.err kernel: [2133290.760978] LustreError:
>> > 13657:0:(client.c:1083:ptlrpc_import_delay_req()) @@@ send limit expired
>> > req at ffff8801b7159800 x1539427524411456/t0(0)
>> o101->MGC192.168.111.52 at tcp
>> > @192.168.111.52 at tcp:26/25 lens 328/344 e 0 to 0 dl
>> >
>> > Jul 16 17:03:43 dev1 user.warn kernel: [2133302.681412] Lustre:
>> > 12364:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
>> > failed due to network error: [sent 1468703023/real 1468703023]
>> > req at ffff8801d6bfc800 x1539427524411460/t0(0) o250->MGC192.168.111
>> >
>> > Jul 16 17:04:08 dev1 user.warn kernel: [2133327.681402] Lustre:
>> > 12364:0:(client.c:1918:ptlrpc_expire_one_request()) @@@ Request sent has
>> > failed due to network error: [sent 1468703048/real 1468703048]
>> > req at ffff8801d6bfec00 x1539427524411464/t0(0) o250->MGC192.168.111
>> >
>> > Jul 16 17:04:15 dev1 user.err kernel: [2133334.680175] LustreError:
>> > 13628:0:(client.c:1083:ptlrpc_import_delay_req()) @@@ send limit expired
>> > req at ffff8801e0bc7000 x1539427524411452/t0(0)
>> o101->MGC192.168.111.52 at tcp
>> > @192.168.111.52 at tcp:26/25 lens 328/344 e 0 to 0 dl
>> >
>> > Jul 16 17:04:15 dev1 user.err kernel: [2133334.680316] LustreError:
>> 15c-8:
>> > MGC192.168.111.52 at tcp: The configuration from log 'mylustre-client'
>> failed
>> > (-5). This may be the result of communication errors between this node
>> and
>> > the MGS, a bad configuration, or other e
>> >
>> > Jul 16 17:04:15 dev1 user.err kernel: [2133334.680357] LustreError:
>> > 13628:0:(llite_lib.c:1046:ll_fill_super()) Unable to process log: -5
>> >
>> > Jul 16 17:04:15 dev1 user.warn kernel: [2133334.680881] Lustre:
>> Unmounted
>> > mylustre-client
>> >
>> > Jul 16 17:04:15 dev1 user.err kernel: [2133334.731730] LustreError:
>> > 13628:0:(obd_mount.c:1325:lustre_fill_super()) Unable to mount  (-5)
>> >
>> >
>> >
>> > _______________________________________________
>> > lustre-discuss mailing list
>> > lustre-discuss at lists.lustre.org
>> > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>> >
>>
>> --
>> --------------------------------------------------------------------
>> Thomas Roth
>> Department: HPC
>> Location: SB3 1.262
>> Phone: +49-6159-71 1453  Fax: +49-6159-71 2986
>>
>> GSI Helmholtzzentrum f?r Schwerionenforschung GmbH
>> Planckstra?e 1
>> 64291 Darmstadt
>> www.gsi.de
>>
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>>
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>>
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>>
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
>> _______________________________________________
>> lustre-discuss mailing list
>> lustre-discuss at lists.lustre.org
>> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
>>
>>
>> ------------------------------
>>
>> End of lustre-discuss Digest, Vol 124, Issue 17
>> ***********************************************
>>
>
>
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