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Bug 55133 - mdstat displays incorrect resync completion percentage
mdstat displays incorrect resync completion percentage
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i686 Linux
medium Severity low
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Assigned To: Arjan van de Ven
Brock Organ
Depends On:
  Show dependency treegraph
Reported: 2001-10-25 21:16 EDT by Philip Pokorny
Modified: 2007-04-18 12:37 EDT (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2002-10-26 01:42:13 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Philip Pokorny 2001-10-25 21:16:11 EDT
From Bugzilla Helper:
User-Agent: Mozilla/4.73 [en] (X11; U; Linux 2.2.16-3 i586)

Description of problem:
During a mirror resync, /proc/mdstat displays the wrong total size for a
mirror and therefore mis-calculates the %complete.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Create a RAID1 meta device  
2. Use "watch cat /proc/mdstat" to monitor progress
3. Note that it finishes at 50% complete and that the sizes reported are

Actual Results:  A given RAID volume finishes it's resync after reaching
50% complete.

Expected Results:  A given RAID volume should go from 0% to 100% complete.

Additional info:

Didn't see this in 7.1 for sure.  Probably not in 7.2 Enigma...
Comment 1 Jim Wright 2002-10-26 01:42:06 EDT
based on recent observations this is fixed.  can be closed.

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