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[Cluster-devel] KCS Articles related to GFS2

Over the last year that have been many articles written related to GFS2. bob has really been instrumental in helping get some of these deeper articles written such as the one on performance.

If there are any articles that we need to write to fill in some missing gaps then please respond. btw, you need rhn.redhat.com login/password to access the articles.

Articles that need cleaning up or expanding on:
* The NFS/samba articles could use a clean up to clarify and make more clear.
* We probably expand on is with GFS2 withdraws. Currently we are trying to get all those articles under control, but if anyone has ideas then feel free to respond.

Engineering Articles
* How do POSIX fcntl locks work on GFS2? | https://access.redhat.com/articles/48659
* How does GFS2 know when to deallocate a file? | https://access.redhat.com/articles/56250
* What does gfs_controld do? | https://access.redhat.com/articles/43561
* How can I use the GFS2 tracepoints and debugfs glocks file in RHEL6? | https://access.redhat.com/articles/35653
* What does GFS2/DLM use /proc/slabinfo for? | https://access.redhat.com/articles/423823
* GFS filesystem withdraws in function "gfs_get_meta_buffer" even after checking with gfs_fsck on Red Hat Enterprise Linux 5 |https://access.redhat.com/solutions/88833
* Does GFS or GFS2 lock all the directories in the file-path for a file when it is created, deleted, or modified on RHEL5 or RHEL6? | https://access.redhat.com/solutions/470733

Performances Related Articles:
* Is my GFS2 slowdown a file system problem or a storage problem? | https://access.redhat.com/articles/627823
* My GFS2 filesystem is slow. How can I diagnose and make it faster? | https://access.redhat.com/articles/628093
* What are some examples of GFS & GFS2 workloads that should be avoided? | https://access.redhat.com/solutions/41223
* What are some best practices when running a backup of a GFS2 filesystem in a RHEL Resilient Storage cluster? |  https://access.redhat.com/solutions/916233

* Are NFS and Samba/CIFS exports of the same directory/filesystem supported on Red Hat Enterprise Linux? | https://access.redhat.com/solutions/39855
* How should I configure my gfs2 filesystem when using NFS or Samba as a service on Red Hat Clustering? | https://access.redhat.com/solutions/20327
* Is active/active clustered NFS supported on GFS/GFS2 filesystems?c | https://access.redhat.com/solutions/59498

Still working on getting withdraw articles under control:
* What is a GFS2 withdraw? | https://access.redhat.com/articles/715373
* http://etherpad.corp.redhat.com/gfs2-withdraw-solutions (list of withdraw articles we found)

Shane Bradley
Senior Software Maintenance Engineer (Cluster HA, GFS, GFS2)
Red Hat Global Support Services 
Red Hat, Inc.

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