drivers/staging/lustre/sysfs-fs-lustre

   1 What:           /sys/fs/lustre/version
   2 Date:           May 2015
   3 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
   4 Description:
   5                 Shows current running lustre version.
   6
   7 What:           /sys/fs/lustre/pinger
   8 Date:           May 2015
   9 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  10 Description:
  11                 Shows if the lustre module has pinger support.
  12                 "on" means yes and "off" means no.
  13
  14 What:           /sys/fs/lustre/health
  15 Date:           May 2015
  16 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  17 Description:
  18                 Shows whenever current system state believed to be "healthy",
  19                 "NOT HEALTHY", or "LBUG" whenever lustre has experienced
  20                 an internal assertion failure
  21
  22 What:           /sys/fs/lustre/jobid_name
  23 Date:           May 2015
  24 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  25 Description:
  26                 Currently running job "name" for this node to be transferred
  27                 to Lustre servers for purposes of QoS and statistics gathering.
  28                 Writing into this file will change the name, reading outputs
  29                 currently set value.
  30
  31 What:           /sys/fs/lustre/jobid_var
  32 Date:           May 2015
  33 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  34 Description:
  35                 Control file for lustre "jobstats" functionality, write new
  36                 value from the list below to change the mode:
  37                 disable - disable job name reporting to the servers (default)
  38                 procname_uid - form the job name as the current running
  39                                command name and pid with a dot in between
  40                                e.g. dd.1253
  41                 nodelocal - use jobid_name value from above.
  42
  43 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/blocksize
  44 Date:           May 2015
  45 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  46 Description:
  47                 Biggest blocksize on object storage server for this filesystem.
  48
  49 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/kbytestotal
  50 Date:           May 2015
  51 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  52 Description:
  53                 Shows total number of kilobytes of space on this filesystem
  54
  55 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/kbytesfree
  56 Date:           May 2015
  57 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  58 Description:
  59                 Shows total number of free kilobytes of space on this filesystem
  60
  61 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/kbytesavail
  62 Date:           May 2015
  63 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  64 Description:
  65                 Shows total number of free kilobytes of space on this filesystem
  66                 actually available for use (taking into account per-client
  67                 grants and filesystem reservations).
  68
  69 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/filestotal
  70 Date:           May 2015
  71 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  72 Description:
  73                 Shows total number of inodes on the filesystem.
  74
  75 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/filesfree
  76 Date:           May 2015
  77 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  78 Description:
  79                 Shows estimated number of free inodes on the filesystem
  80
  81 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/client_type
  82 Date:           May 2015
  83 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  84 Description:
  85                 Shows whenever this filesystem considers this client to be
  86                 compute cluster-local or remote. Remote clients have
  87                 additional uid/gid convrting logic applied.
  88
  89 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/fstype
  90 Date:           May 2015
  91 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  92 Description:
  93                 Shows filesystem type of the filesystem
  94
  95 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/uuid
  96 Date:           May 2015
  97 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
  98 Description:
  99                 Shows this filesystem superblock uuid
 100
 101 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/max_read_ahead_mb
 102 Date:           May 2015
 103 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
 104 Description:
 105                 Sets maximum number of megabytes in system memory to be
 106                 given to read-ahead cache.
 107
 108 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/max_read_ahead_per_file_mb
 109 Date:           May 2015
 110 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
 111 Description:
 112                 Sets maximum number of megabytes to read-ahead for a single file
 113
 114 What:           /sys/fs/lustre/llite/<fsname>-<uuid>/max_read_ahead_whole_mb
 115 Date:           May 2015
 116 Contact:        "Oleg Drokin" <oleg.drokin@intel.com>
 117 Description:
 118                 For small reads, how many megabytes to actually request from
 119                 the server as initial read-ahead.