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  1. Lustre
  2. LU-12768

readcache_max_filesize in 2.12?

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Done
    • Affects Version/s: Lustre 2.12.2
    • Fix Version/s: None
    • Labels:
      None
    • Environment:
      2.12.2_116+3 patches, CentOS 7.6
    • Severity:
      3
    • Rank (Obsolete):
      9223372036854775807

      Description

      Hello,

      We're playing with readcache_max_filesize to adjust OSS caching per object size, but while it seems to work on Oak (2.10.8), we can't find the tunable with 2.12. Did we miss something obvious? Thanks!

      [root@fir-io1-s1 ~]# lctl get_param obdfilter.*.readcache_max_filesize
      error: get_param: param_path 'obdfilter/*/readcache_max_filesize': No such file or directory
      [root@fir-io1-s1 ~]# ls /sys/fs/lustre/obdfilter/fir-OST0000/
      blocksize               client_cache_count    degraded   filestotal  grant_precreate  kbytesfree   lfsck_speed_limit  seqs_allocated   sync_journal      tgt_fmd_count    uuid
      checksum_t10pi_enforce  client_cache_seconds  filesfree  fstype      kbytesavail      kbytestotal  precreate_batch    soft_sync_limit  sync_lock_cancel  tgt_fmd_seconds
      [root@fir-io1-s1 ~]# cat /sys/fs/lustre/version 
      2.12.2_119_g2d4809a
      

      https://build.whamcloud.com/job/lustre-manual/lastSuccessfulBuild/artifact/lustre_manual.xhtml#idm140482875762544
       
      Thanks!
      Stephane
       

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              • Assignee:
                pfarrell Patrick Farrell (Inactive)
                Reporter:
                sthiell Stephane Thiell
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                • Created:
                  Updated:
                  Resolved: