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GlusterFS モジュール超概論

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Keisuke Takahashi
Keisuke Takahashi

One of the presentations used in a discussion meeting about GlusterFS held on Sep. 14, 2011 in Japan. Ust: http://www.ustream.tv/channel/glusterfs Togetter: http://togetter.com/li/188183

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GlusterFS 2011 9 14 NTTPC Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 1
1 GlusterFS 3 2 (1/2) 4 3 (2/2) 5 4 6 4.1 (xlator fops) . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2 ( ) . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 3.1.0 ( ) 9 Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 2
1 GlusterFS GlusterFS !! FUSE NFS Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 3
2 (1/2) ( ) • afr( ) • client( ) • server( ) • posix( ) Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 4
3 (2/2) Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 5
4 4.1 (xlator fops) xlator fops xlator fops stat( ) symlink( ) rename( ) open( ) readv( ) writev( ) opendir( ) readdir( ) create( ) ... Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 6
4.2 ( ) xlator cbks • release: ( )close • releasedir: ( )closedir init : fini : Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 7
4.3 volume options ( ) volume options posix struct volume_options options[] = { { .key = {"o-direct"}, .type = GF_OPTION_TYPE_BOOL }, { .key = {"directory"}, .type = GF_OPTION_TYPE_PATH }, { .key = {"hostname"}, .type = GF_OPTION_TYPE_ANY }, { .key = {"export-statfs-size"}, .type = GF_OPTION_TYPE_BOOL }, ... Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 8
5 3.1.0 ( ) 3.1.0 glusterd glusterd !! glusterd ... glusterd ( ) glusterd-volgen.c glusterd volopt map[] ( ) Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 9

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GlusterFS モジュール超概論

  • 1. GlusterFS 2011 9 14 NTTPC Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 1
  • 2. 1 GlusterFS 3 2 (1/2) 4 3 (2/2) 5 4 6 4.1 (xlator fops) . . . . . . . . . . . . . . . . . . . . . . . . . 6 4.2 ( ) . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5 3.1.0 ( ) 9 Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 2
  • 3. 1 GlusterFS GlusterFS !! FUSE NFS Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 3
  • 4. 2 (1/2) ( ) • afr( ) • client( ) • server( ) • posix( ) Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 4
  • 5. 3 (2/2) Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 5
  • 6. 4 4.1 (xlator fops) xlator fops xlator fops stat( ) symlink( ) rename( ) open( ) readv( ) writev( ) opendir( ) readdir( ) create( ) ... Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 6
  • 7. 4.2 ( ) xlator cbks • release: ( )close • releasedir: ( )closedir init : fini : Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 7
  • 8. 4.3 volume options ( ) volume options posix struct volume_options options[] = { { .key = {"o-direct"}, .type = GF_OPTION_TYPE_BOOL }, { .key = {"directory"}, .type = GF_OPTION_TYPE_PATH }, { .key = {"hostname"}, .type = GF_OPTION_TYPE_ANY }, { .key = {"export-statfs-size"}, .type = GF_OPTION_TYPE_BOOL }, ... Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 8
  • 9. 5 3.1.0 ( ) 3.1.0 glusterd glusterd !! glusterd ... glusterd ( ) glusterd-volgen.c glusterd volopt map[] ( ) Copyright (c) 2011 NTT PC Communications Incorporated, All Rights Reserved. 9