Bug 438153 - Poor LVM mirroring performance
Poor LVM mirroring performance
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel (Show other bugs)
All Linux
high Severity high
: rc
: ---
Assigned To: Mikuláš Patočka
Martin Jenner
Depends On: 432566
Blocks: KernelPrio5.3
  Show dependency treegraph
Reported: 2008-03-19 09:43 EDT by Scott Crenshaw
Modified: 2009-01-20 15:02 EST (History)
11 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
Last Closed: 2009-01-20 15:02:17 EST
Type: ---
Regression: ---
Mount Type: ---
Documentation: ---
Verified Versions:
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oVirt Team: ---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: ---

Attachments (Terms of Use)
first patch (3.62 KB, patch)
2008-08-19 17:09 EDT, Mikuláš Patočka
no flags Details | Diff
second patch (4.11 KB, patch)
2008-08-19 17:10 EDT, Mikuláš Patočka
no flags Details | Diff

  None (edit)
Comment 8 Mikuláš Patočka 2008-08-19 17:09:18 EDT
Created attachment 314575 [details]
first patch

First patch --- use timers when we need delayed wake-up.
Comment 9 Mikuláš Patočka 2008-08-19 17:10:17 EDT
Created attachment 314576 [details]
second patch

And the second patch: unplug the queue to avoid 3ms delay.
Comment 10 Don Zickus 2008-09-15 10:17:00 EDT
in kernel-2.6.18-115.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5
Comment 14 errata-xmlrpc 2009-01-20 15:02:17 EST
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.


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