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• Lustre Design Documents
  The Lustre™ team has prepared several design documents as part of the [[Lustre_HPCS_Activities|DARPA High Productivity C *[[Media:JKD_Wiki_V1_2009_08_07_Lustre_HPCS_Overview.pdf|''Lustre HPCS Design Overview'']]
  2 KB (257 words) - 11:06, 20 January 2011
• Lustre Design Document Archive
  The Lustre™ Design Document Archive contains architectural descriptions and design documents that have been collected over several years of development effort '''''Note:''''' ''These documents reflect the state of design of a Lustre feature at a particular point in time and may contain outdated
  882 bytes (115 words) - 11:21, 22 March 2010

Page text matches

• Lustre Design Document Archive
  The Lustre™ Design Document Archive contains architectural descriptions and design documents that have been collected over several years of development effort '''''Note:''''' ''These documents reflect the state of design of a Lustre feature at a particular point in time and may contain outdated
  882 bytes (115 words) - 11:21, 22 March 2010
• Lustre Design Documents
  The Lustre™ team has prepared several design documents as part of the [[Lustre_HPCS_Activities|DARPA High Productivity C *[[Media:JKD_Wiki_V1_2009_08_07_Lustre_HPCS_Overview.pdf|''Lustre HPCS Design Overview'']]
  2 KB (257 words) - 11:06, 20 January 2011
• Lustre HPCS Activities
  *[[Media:Dilger_Lustre_HPCS_May_Workshop.pdf|''Lustre HPCS Design Overview'' - Andreas Dilger, Sun Microsystems]] The Lustre team has prepared several design documents as part of the HPCS program. These designs are:
  2 KB (305 words) - 11:02, 20 January 2011
• Contribute:Contribute
  ...bmitting_Patches|Submitting Patches]]</ins> to find out how to submit your changes to be reviewed for acceptance into a mainline Lustre branch. * <ins>[[Lustre Design Documents]]</ins> provides access to presentations and design documents describing Lustre features currently under development by the Lus
  2 KB (353 words) - 16:36, 24 July 2013
• Architecture - MPI LND
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  240 bytes (40 words) - 14:17, 22 January 2010
• Architecture - Open by fid
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated == Decomposition of the design ==
  2 KB (394 words) - 14:19, 22 January 2010
• SC'09 and Lustre Senior Technical Meeting 11/09
  ...status of current development projects. The following project reviews and design presentations took place at this meeting: * [[Media:SC09-FID-on-OST.pdf|''FIDs on OST Design Presentation'']] - Mike Pershin
  2 KB (322 words) - 10:33, 20 January 2011
• Main Page
  One section of interest might be the [[Lustre Design Document Archive]].
  620 bytes (111 words) - 13:37, 2 April 2015
• FAQ - Release Testing and Upgrading
  ...ption is, it may be written and reviewed by senior architects. A detailed design description for the patch is written and reviewed by principal engineers. * ''Implementation:'' Fixes are implemented according to the design description and added to a bug for review and inspection.
  3 KB (500 words) - 08:32, 22 February 2010
• Architecture - Cuts
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  355 bytes (53 words) - 14:02, 22 January 2010
• Architecture - Punch and Extent Migration
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  444 bytes (60 words) - 14:21, 22 January 2010
• Architecture - Changelogs 1.6
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  704 bytes (98 words) - 13:59, 22 January 2010
• Architecture - Llog over OSD
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated The following terms are used in this design. Please read to avoid confusion.
  3 KB (507 words) - 14:14, 22 January 2010
• Architecture - Backup
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...- file systems with 100M files with total data of 100TB and seeing 10% of changes daily should be covered.
  4 KB (710 words) - 13:58, 22 January 2010
• Architecture - User Level OSS
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  1,002 bytes (174 words) - 14:25, 22 January 2010
• Architecture - Punch and Extent Migration Requirements
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  1 KB (205 words) - 14:21, 22 January 2010
• Architecture - DMU OSD
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  860 bytes (119 words) - 14:02, 22 January 2010
• Clustered Metadata
  This document describes the design of the clustered metadata handling ...he design document, see [[Media:HPCS_CMD_06_15_09.pdf|''Clustered Metadata Design'']].
  5 KB (760 words) - 11:36, 10 September 2010
• Architecture - DMU Zerocopy
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  965 bytes (113 words) - 14:02, 22 January 2010
• Architecture - HSM and Cache
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  1 KB (210 words) - 14:12, 22 January 2010
• Architecture - Migration (1)
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated # the location of the object changes
  2 KB (349 words) - 14:16, 22 January 2010
• Architecture - Wide Striping
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  2 KB (338 words) - 14:26, 22 January 2010
• Architecture - Proxy Cache
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  2 KB (308 words) - 14:21, 22 January 2010
• Architecture - ZFS for Lustre
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...as a library (libzpool) and that a strict separation is made between code changes to the DMU and to Lustre for license reasons.
  7 KB (1,243 words) - 14:26, 22 January 2010
• Architecture - HSM
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  2 KB (369 words) - 14:12, 22 January 2010
• Architecture - Interoperability 1.6 1.8 2.0
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...new_cmd code. Server can handle mixed 1.6 and 1.8 storage and makes format changes to the file system that are not compatible with 1.8. No clustered metadata.
  2 KB (315 words) - 14:13, 22 January 2010
• Architecture - End-to-end Checksumming
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  2 KB (397 words) - 14:03, 22 January 2010
• Architecture - User Level Access
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  3 KB (423 words) - 14:25, 22 January 2010
• Architecture - ZFS large dnodes
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  2 KB (382 words) - 14:27, 22 January 2010
• Lustre Mailing Lists
  ...ailing list is used by Lustre developers to discuss Lustre internals, code changes, and other topics of interest to developers. You will receive a moderate nu ...d for "meta" discussion related to Lustre development, such as how feature design, code development, patch contribution, and landing is coordinated, and how
  3 KB (452 words) - 11:03, 3 November 2010
• Architecture - Scalable Pinger
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  3 KB (428 words) - 14:22, 22 January 2010
• Architecture Descriptions
  ...escriptions listed below provide information about Lustre architecture and design and are intended to help users better understand the conceptual framework o '''''Note:''''' ''These documents reflect the state of design of a Lustre feature at a particular point in time. They many contain inform
  9 KB (1,200 words) - 12:09, 20 January 2011
• Architecture - Free Space Management
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  3 KB (420 words) - 14:11, 22 January 2010
• Architecture - Pools of targets
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  3 KB (470 words) - 19:48, 2 February 2010
• Architecture - FIDs on OST
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  3 KB (382 words) - 14:09, 22 January 2010
• Architecture - Simplified Interoperation
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  4 KB (563 words) - 14:24, 22 January 2010
• Architecture - PAG
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated that changes its fsuid won't need extra authentication, but the server will
  4 KB (808 words) - 14:20, 22 January 2010
• Architecture - Multiple Interfaces For LNET
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  4 KB (668 words) - 14:18, 22 January 2010
• Architecture - Clustered Metadata
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...ocol involving further RPC’s. The current trend in distributed file system design is to do such clustering by allowing clients to pre-compute the location of
  20 KB (3,407 words) - 14:00, 22 January 2010
• Lustre Center of Excellence at Oak Ridge National Laboratory
  *[[Media:Dilger_Lustre_HPCS_May_Workshop.pdf|''Lustre HPCS Design Overview'' - Andreas Dilger]]
  4 KB (601 words) - 11:14, 20 January 2011
• Architecture - LRE Images
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  5 KB (723 words) - 14:15, 22 January 2010
• Architecture - Libcfs
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  4 KB (647 words) - 14:14, 22 January 2010
• Architecture - External File Locking
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  5 KB (683 words) - 14:09, 22 January 2010
• Lustre Publications
  ...e technologies. Cluster architects can use the Sun Constellation System to design and rapidly deploy tightly-integrated, efficient, and cost-effective super
  11 KB (1,510 words) - 17:57, 18 December 2009
• Architecture - Client Cleanup
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated |misc:lov-osc on mds||changes on the server side.
  4 KB (654 words) - 14:00, 22 January 2010
• Architecture - OSS-on-DMU
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  4 KB (623 words) - 14:20, 22 January 2010
• Architecture - Profiling Tools for IO
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  4 KB (663 words) - 14:20, 22 January 2010
• Architecture - Space Manager
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  5 KB (722 words) - 14:24, 22 January 2010
• Architecture - Recovery Failures
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  5 KB (785 words) - 14:22, 22 January 2010
• Architecture - Flash Cache
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  4 KB (705 words) - 14:10, 22 January 2010
• Architecture - Write Back Cache
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ; '''MD operation''' : A meta-data change performed by a client that changes the namespace in a consistent manner (e.g. create file, unlink, rename, etc
  24 KB (3,464 words) - 14:39, 27 July 2010
• Architecture - CROW
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  6 KB (925 words) - 14:01, 22 January 2010
• Architecture - Network Request Scheduler
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  5 KB (837 words) - 14:18, 22 January 2010
• Architecture - MPI IO and NetCDF
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  6 KB (861 words) - 14:17, 22 January 2010
• Architecture - ZFS TinyZAP
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  6 KB (965 words) - 14:27, 22 January 2010
• Architecture - Writing Architecture Documents
  ...' mailing list used by Lustre developers to discuss Lustre internals, code changes, and other topics of interest to developers. #** the others architects are responsible for contributing to the design
  6 KB (832 words) - 16:52, 20 January 2010
• Architecture - CTDB with Lustre
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...ment will also involved to pCIFS/CTDB failover. should pay care of it when design new CTDB failover policy.
  16 KB (2,220 words) - 13:14, 2 February 2010
• Architecture - New Metadata API
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  6 KB (919 words) - 14:18, 22 January 2010
• Architecture - IO system
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  6 KB (964 words) - 14:14, 22 January 2010
• Architecture - Commit on Share
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated * per-object -- all changes to same object are considered dependent,
  9 KB (1,118 words) - 14:00, 22 January 2010
• Architecture - MDS-on-DMU
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated * &mdash; possibly requires changes outside of osd.
  6 KB (758 words) - 14:16, 22 January 2010
• Architecture - Userspace Servers
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  8 KB (1,034 words) - 16:47, 3 February 2010
• Architecture - Migration (2)
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  8 KB (1,123 words) - 14:17, 22 January 2010
• Architecture - Request Redirection
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...':adding new ways to create instances of data should require no or minimal changes to request redirection mechanism
  11 KB (1,647 words) - 14:22, 22 January 2010
• Architecture - Feature FS Replication
  # The solution will address future changes of log record formats (since these will contain rollback & audit informatio # Namespace changes may not be repeated (e.g. rm a, mv b a)
  28 KB (4,289 words) - 11:40, 21 January 2010
• Architecture - Simple Space Balance Migration
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...it the same attributes from the source object(s) to ensure no user visible changes. This includes mtime, atime, ctime, uid, gid, size, parent inode/generatio
  9 KB (1,467 words) - 14:23, 22 January 2010
• FAQ - Fundamentals
  ...ne additional deviation from POSIX, in the area of ''mmap'' I/O. In 1.4.1, changes were made to support cache-coherent ''mmap'' I/O and robust execution of bi ...ard, and it is now competitive with other Linux file systems. Most of the changes made to ''ext3'' for improving Lustre performance have been included into t
  9 KB (1,512 words) - 08:25, 22 February 2010
• Architecture - Epochs
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  11 KB (1,784 words) - 14:07, 22 January 2010
• Architecture - Caching OSS
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated # follow same recovery model (atomic updates, executed-once semantics, replay changes from clients)
  13 KB (1,825 words) - 13:58, 22 January 2010
• Architecture - Metadata API
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  11 KB (1,588 words) - 14:16, 22 January 2010
• Architecture - Adaptive Timeouts - Use Cases
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...time a request on a given portal to a given service will take. This value changes depending on server loading.
  12 KB (1,843 words) - 13:57, 22 January 2010
• Architecture - Fileset
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  12 KB (1,742 words) - 14:10, 22 January 2010
• Architecture - Lustre Logging API
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated Some of the key requirements of these APIs that defines their design are:
  24 KB (3,889 words) - 14:15, 22 January 2010
• Architecture - GNS
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated The purpose of this paper is to describe a global namespace design that is slightly more general. It
  29 KB (4,464 words) - 14:11, 22 January 2010
• Architecture - Version Based Recovery
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...lient to replay request long after main recovery is completed. Independent changes should be recovered even if some clients are missing.
  17 KB (2,305 words) - 14:25, 22 January 2010
• Architecture - Security
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ...s of our networking API’s cannot be preserved with that implementation,and changes have to be made to avoid the use of XDR and SUN RPC.
  52 KB (8,446 words) - 14:23, 22 January 2010
• Architecture - Sub Tree Locks
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  20 KB (3,036 words) - 14:24, 22 January 2010
• Architecture - Changelogs
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated A '''changelog''' is a log of data or metadata changes. In general, these will track filesystem operations conveyed via one or mo
  16 KB (2,263 words) - 13:58, 22 January 2010
• Architecture - Server Network Striping
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  26 KB (3,768 words) - 14:23, 22 January 2010
• Architecture - MDS striping format
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated
  31 KB (4,814 words) - 14:15, 22 January 2010
• Architecture - HSM Migration
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated ===MDT changes===
  25 KB (3,874 words) - 14:12, 22 January 2010
• Architecture - Interoperability fids zfs
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain both outd ** No interoperability changes to the MD server code are made in OLD.x release.
  34 KB (5,038 words) - 00:19, 4 October 2012
• Subsystem Map
  * Size llog - this is not yet used, but is planned to log object size changes on the OST so the MDS can later check if it has object size coherence with '''General design'''
  51 KB (8,203 words) - 06:28, 11 April 2010
• Architecture - Wire Level Protocol
  '''''Note:''''' ''The content on this page reflects the state of design of a Lustre feature at a particular point in time and may contain outdated (1) Phil Schwan (26 Apr 2003) -Updated wire protocols to reflect changes made between Lustre versions 0.6.0.3 and 0.6.0.4 (bugs 593, 1154, 1175, and
  36 KB (5,757 words) - 14:26, 22 January 2010