[Lustre-discuss] persistent client re-connect failure

Samuel Aparicio
2011-03-21T17:37:47Z

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
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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
>>
>>
>>
>>
>> _______________________________________________
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>> Lustre-discuss at lists.lustre.org
>> http://lists.lustre.org/mailman/listinfo/lustre-discuss
>>
>>
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>>
>>

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