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Message #140715
[Bug 1507618] [NEW] Potential raid0 data corruption when using trim
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There's a scary issue with fstrim on raid0 and raid10 mdadm devices. It
is fixed upstream in linux/4.1.5-1, linux/3.16.7-ckt17-1, but I can't
find anything in the changelogs for ubuntu.
Here's the links:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=793326
http://www.spinics.net/lists/raid/msg49440.html
I did my amateur analysis by extracting sources for current trusty
kernel 3.13.0-65-generic and current trusty-lts-utopic 3.16.0-50-generic
and looking at files referenced in patches from the Martin K. Petersen's
email, and it appears that 3.16 already has this fix included, and 3.13
is a completely different code base, so it isn't clear whether it is
affected or not.
I've disabled fstrim in cron until I understand the situation better.
Could someone knowledgeable chime in on the status of this on Ubuntu,
specifically Trusty and after?
** Affects: linux-meta (Ubuntu)
Importance: Undecided
Assignee: Joseph Salisbury (jsalisbury)
Status: New
** Tags: bot-comment
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Potential raid0 data corruption when using trim
https://bugs.launchpad.net/bugs/1507618
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