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  1. Lustre
  2. LU-12223

interop: conf-sanity test 28a fails with 'check lustre-OST0000.ost.writethrough_cache_enable failed!'

    Details

    • Type: Bug
    • Status: Open
    • Priority: Minor
    • Resolution: Unresolved
    • Affects Version/s: Lustre 2.12.1, Lustre 2.12.4
    • Fix Version/s: None
    • Labels:
    • Environment:
      2.12.x servers and 2.10.7 and 2.11.0 clients for x > 0.100 with ldiskfs
    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      conf-sanity test_28a started failing on 2019-04-21 for 2.12.x servers and 2.10.7 and 2.11.0 clients.

      Looking at a recent failures between 2.12.1 RC1 servers and 2.10.7 clients, https://testing.whamcloud.com/test_sets/6d0d78a8-6622-11e9-aeec-52540065bddc , we try to get/set the param obdfilter.lustre-OST0000.writethrough_cache_enable, but fail. From the client test_log

      CMD: trevis-35vm11 /usr/sbin/lctl get_param -n obdfilter.lustre-OST0000.writethrough_cache_enable
      trevis-35vm11: error: get_param: param_path 'obdfilter/lustre-OST0000/writethrough_cache_enable': No such file or directory
      CMD: trevis-35vm11 /usr/sbin/lctl get_param -n obdfilter.lustre-OST0000.writethrough_cache_enable
      trevis-35vm11: error: get_param: param_path 'obdfilter/lustre-OST0000/writethrough_cache_enable': No such file or directory
      Setting lustre-OST0000.ost.writethrough_cache_enable from  to 1
      CMD: trevis-35vm12 /usr/sbin/lctl conf_param lustre-OST0000.ost.writethrough_cache_enable='1'
      CMD: trevis-35vm11 /usr/sbin/lctl get_param -n obdfilter.lustre-OST0000.writethrough_cache_enable
      trevis-35vm11: error: get_param: param_path 'obdfilter/lustre-OST0000/writethrough_cache_enable': No such file or directory 
      …
      CMD: trevis-35vm11 /usr/sbin/lctl get_param -n obdfilter.lustre-OST0000.writethrough_cache_enable
      trevis-35vm11: error: get_param: param_path 'obdfilter/lustre-OST0000/writethrough_cache_enable': No such file or directory
      Update not seen after 90s: wanted '1' got ''
       conf-sanity test_28a: @@@@@@ FAIL: check lustre-OST0000.ost.writethrough_cache_enable failed!
      

      For 2.12.0.94 servers, we didn’t see this issue; https://testing.whamcloud.com/test_sets/dc4a37b2-61de-11e9-92fe-52540065bddc
      The first time we saw this failure was for 2.12.0.100 servers; https://testing.whamcloud.com/test_sets/9065a4c0-64d2-11e9-aeec-52540065bddc

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              • Assignee:
                wc-triage WC Triage
                Reporter:
                jamesanunez James Nunez
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                Dates

                • Created:
                  Updated: