Bug 781682 - Make Fedora SSD aware
Make Fedora SSD aware
Product: Fedora
Classification: Fedora
Component: udev (Show other bugs)
All Linux
unspecified Severity medium
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Assigned To: udev-maint
Fedora Extras Quality Assurance
Depends On:
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Reported: 2012-01-14 02:20 EST by Renich Bon Ciric
Modified: 2013-02-13 19:01 EST (History)
3 users (show)

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Doc Type: Bug Fix
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Last Closed: 2013-02-13 19:01:00 EST
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Description Renich Bon Ciric 2012-01-14 02:20:43 EST
Description of problem:
I think we should add a rule like this: https://bugs.archlinux.org/task/22605

This would start Fedora's awareness of SSD disks. Next step would be to mount them appropriately (better mount options)

It is a simple rule. It sets up the noop I/O scheduler as the default one for SSD drives; which is, supposedly, better.

# References
Comment 1 Harald Hoyer 2012-01-16 06:20:35 EST
Comment by Thomas Bächler (brain0) - Wednesday, 26 January 2011, 02:53 GMT-5
As far as I know, the cfq scheduler is designed to recognize SSDs and behave accordingly. Setting the noop scheduler is likely to reduce the read performance. I can't be sure, I'll have to find a reference.

Comment by Dan McGee (toofishes) - Friday, 28 January 2011, 19:10 GMT-5
If you look at block/cfq-iosched.c, you'll see a few calls to blk_queue_nonrot() that "do the right thing" if they drive is non-rotational- idling is skipped, seektime is adjusted, etc. So there is no need for these changes to be an Arch default.
Comment 2 Fedora End Of Life 2013-01-16 15:36:15 EST
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Comment 3 Fedora End Of Life 2013-02-13 19:01:04 EST
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