[Lustre-discuss] persistent client re-connect failure

[Samuel Aparicio]

it was permanently inactivated on the mds ... strange that it should show up at all. the OST list is persistent through the history of additions/deletions ...?




Professor Samuel Aparicio BM BCh PhD FRCPath
Nan and Lorraine Robertson Chair UBC/BC Cancer Agency
675 West 10th, Vancouver V5Z 1L3, Canada.
office: +1 604 675 8200 lab website http://molonc.bccrc.ca

PLEASE SUPPORT MY FUNDRAISING FOR THE RIDE TO SEATTLE AND 
THE WEEKEND TO END WOMENS CANCERS. YOU CAN DONATE AT THE LINKS BELOW
Ride to Seattle Fundraiser
Weekend to End Womens Cancers




On Mar 21, 2011, at 3:29 AM, Larry wrote:

> If you *only* deactivate it on mds, then you can still see the ost on
> client, just not to write on it anymore.
> 
> On Mon, Mar 21, 2011 at 11:49 AM, Samuel Aparicio <saparicio at bccrc.ca> wrote:
>> Follow up to this posting. I notice on the client that lctl device_list
>> reports the following:
>> 
>>  0 UP mgc MGC10.9.89.51 at tcp 5a76b5b6-82bf-2053-8c17-e68ffe552edc 5
>>   1 UP lov lustre-clilov-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 4
>>   2 UP mdc lustre-MDT0000-mdc-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 5
>>   3 UP osc lustre-OST0000-osc-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 5
>>   4 UP osc lustre-OST0001-osc-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 5
>>   5 UP osc lustre-OST0002-osc-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 5
>>   6 UP osc lustre-OST0003-osc-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 4
>>   7 UP osc lustre-OST0004-osc-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 5
>>   8 UP osc lustre-OST0005-osc-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 5
>>   9 UP osc lustre-OST0006-osc-ffff8100459a9c00
>> 6775de4c-6c29-9316-a715-3472233477d1 5
>>  10 UP lov lustre-clilov-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 4
>>  11 UP mdc lustre-MDT0000-mdc-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 5
>>  12 UP osc lustre-OST0000-osc-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 5
>>  13 UP osc lustre-OST0001-osc-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 5
>>  14 UP osc lustre-OST0002-osc-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 5
>>  15 UP osc lustre-OST0003-osc-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 4
>>  16 UP osc lustre-OST0004-osc-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 5
>>  17 UP osc lustre-OST0005-osc-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 5
>>  18 UP osc lustre-OST0006-osc-ffff810c92f2b800
>> 0ecd69f5-6793-fcb1-0e05-8851c99e5dc5 5
>>  19 UP lov lustre-clilov-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 4
>>  20 UP mdc lustre-MDT0000-mdc-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 5
>>  21 UP osc lustre-OST0000-osc-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 5
>>  22 UP osc lustre-OST0001-osc-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 5
>>  23 UP osc lustre-OST0002-osc-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 5
>>  24 UP osc lustre-OST0003-osc-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 4
>>  25 UP osc lustre-OST0004-osc-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 5
>>  26 UP osc lustre-OST0005-osc-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 5
>>  27 UP osc lustre-OST0006-osc-ffff81047a45c000
>> 6a3d5815-4851-31b0-9400-c8892e11dae4 5
>> 
>> However OST3 is non-existent, it was de-activated on the MDS - why would the
>> clients think it exists?
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> Professor Samuel Aparicio BM BCh PhD FRCPath
>> Nan and Lorraine Robertson Chair UBC/BC Cancer Agency
>> 675 West 10th, Vancouver V5Z 1L3, Canada.
>> office: +1 604 675 8200 lab website http://molonc.bccrc.ca
>> 
>> PLEASE SUPPORT MY FUNDRAISING FOR THE RIDE TO SEATTLE AND
>> THE WEEKEND TO END WOMENS CANCERS. YOU CAN DONATE AT THE LINKS BELOW
>> Ride to Seattle Fundraiser
>> Weekend to End Womens Cancers
>> 
>> 
>> 
>> 
>> On Mar 20, 2011, at 8:41 PM, Samuel Aparicio wrote:
>> 
>> I am stuck with the following issue on a client attached to a lustre system.
>> we are running lustre 1.8.5
>> somehow connectivity to the OST failed at some point and the mount hung.
>> after unmounting and re-mounting the client attempts to reconnect.
>> lctl ping shows the client to be connected and normal ping to the OSS/MGS
>> servers shows connectivity.
>> remounting the filesystem results in only some files being visible.
>> the kernel messages are as follows:
>> ---------
>> Lustre: setting import lustre-OST0003_UUID INACTIVE by administrator request
>> Lustre: lustre-OST0003-osc-ffff8110238c7400.osc: set parameter active=0
>> Lustre: Skipped 3 previous similar messages
>> LustreError: 14114:0:(lov_obd.c:315:lov_connect_obd()) not connecting OSC
>> ^\; administratively disabled
>> Lustre: Client lustre-client has started
>> LustreError: 14207:0:(file.c:995:ll_glimpse_size()) obd_enqueue returned rc
>> -5, returning -EIO
>> LustreError: 14207:0:(file.c:995:ll_glimpse_size()) Skipped 1 previous
>> similar message
>> LustreError: 14207:0:(file.c:995:ll_glimpse_size()) obd_enqueue returned rc
>> -5, returning -EIO
>> LustreError: 14686:0:(file.c:995:ll_glimpse_size()) obd_enqueue returned rc
>> -5, returning -EIO
>> Lustre: 22218:0:(client.c:1476:ptlrpc_expire_one_request()) @@@ Request
>> x1363662012007464 sent from lustre-OST0000-osc-ffff8110238c7400 to NID
>> 10.9.89.21 at tcp 16s ago has timed out (16s prior to deadline).
>>   req at ffff810459ce4c00 x1363662012007464/t0
>> o8->lustre-OST0000_UUID at 10.9.89.21@tcp:28/4 lens 368/584 e 0 to 1 dl
>> 1300678232 ref 1 fl Rpc:N/0/0 rc 0/0
>> Lustre: 22218:0:(client.c:1476:ptlrpc_expire_one_request()) Skipped 182
>> previous similar messages
>> Lustre: 22219:0:(import.c:517:import_select_connection())
>> lustre-OST0000-osc-ffff8110238c7400: tried all connections, increasing
>> latency to 18s
>> Lustre: 22219:0:(import.c:517:import_select_connection()) Skipped 203
>> previous similar messages
>> ------------
>> an LS of the filesytem shows
>> drwxr-xr-x 4 amcpherson users 4096 Mar 19 10:38 amcpherson
>> ?--------- ? ?          ?        ?            ? compute-2-0-testwrite
>> ?--------- ? ?          ?        ?            ? hello
>> ----------
>> other clients on the system are able to mount and see the files perfectly
>> well.
>> can anyone help with what the errors above imply.
>> a simple network connectivity issue does not seem to be the case here,
>> yet the client attempts to re-connect to the OST, fail.
>> 
>> 
>> 
>> 
>> 
>> 
>> Professor Samuel Aparicio BM BCh PhD FRCPath
>> Nan and Lorraine Robertson Chair UBC/BC Cancer Agency
>> 675 West 10th, Vancouver V5Z 1L3, Canada.
>> office: +1 604 675 8200 lab website http://molonc.bccrc.ca
>> 
>> PLEASE SUPPORT MY FUNDRAISING FOR THE RIDE TO SEATTLE AND
>> THE WEEKEND TO END WOMENS CANCERS. YOU CAN DONATE AT THE LINKS BELOW
>> Ride to Seattle Fundraiser
>> Weekend to End Womens Cancers
>> 
>> 
>> 
>> 
>> _______________________________________________
>> Lustre-discuss mailing list
>> Lustre-discuss at lists.lustre.org
>> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>> 
>> 
>> _______________________________________________
>> Lustre-discuss mailing list
>> Lustre-discuss at lists.lustre.org
>> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>> 
>> 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lustre.org/pipermail/lustre-discuss-lustre.org/attachments/20110321/e19c37d6/attachment.htm>