Bug 643571

Summary: [EMC 5.6 bug] severe fragmentation with xfs file system [rhel-5.5.z]
Product: Red Hat Enterprise Linux 5 Reporter: Benjamin Kahn <bkahn>
Component: kernelAssignee: Jiri Pirko <jpirko>
Status: CLOSED ERRATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 5.5CC: andriusb, bdonahue, berthiaume_wayne, coughlan, dchinner, dhoward, esandeen, hicks_verdell, ivan.novick, jpirko, pm-eus, rkhan, rwheeler, timothy.heath, yugzhang
Target Milestone: rcKeywords: OtherQA, ZStream
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Previously, writing multiple files in parallel could result in uncontrollable fragmentation of the files. With this update, the methods of controlling fragmentation work as expected.
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-11-09 18:08:12 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 638753    
Bug Blocks:    

Description Benjamin Kahn 2010-10-16 01:10:44 UTC
This bug has been copied from bug #638753 and has been proposed
to be backported to 5.5 z-stream (EUS).

Comment 2 Jiri Pirko 2010-10-19 08:20:16 UTC
in kernel 2.6.18-194.22.1.el5

linux-2.6-fs-xfs-fix-speculative-allocation-beyond-eof.patch

Comment 6 errata-xmlrpc 2010-11-09 18:08:12 UTC
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHSA-2010-0839.html

Comment 7 Martin Prpič 2010-11-11 13:59:25 UTC
    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Previously, writing multiple files in parallel could result in uncontrollable fragmentation of the files. With this update, the methods of controlling fragmentation work as expected.