Am 07.09.2013 16:04, schrieb Marko Vojinovic: > On Sat, 7 Sep 2013 09:20:29 -0300 > Fernando Cassia <fcassia@xxxxxxxxx> wrote: > >> On Sat, Sep 7, 2013 at 9:16 AM, Heinz Diehl <htd@xxxxxxxxxx> wrote: >>> >>> I'm not aware of such a feature added to 3.11. In case you mean >>> "bcache": it works as a block layer cache (similar to dm-cache), >>> which allows to use a solid state drive to work as a cache for a >>> rotational harddisk on the same system. >> >> Exactly, thats the one and came with 3.10... versions move too fast I >> ended up mixing up them. >> >> http://kernelnewbies.org/Linux_3.10#head-a0ad787f2e030b53bdabbb4b6e22e7ed16803bb1 > > Note though, that this feature will not minimize the writes to the SSD. > Quite the opposite, it will use SSD as a caching mechanism for slower > HDDs --- it will tend to *maximize* writes to SSD in order to minimize > the usage of HDDs, and thereby increase performance. Of course, at the > cost of wearing out SSDs sooner rather than later. > > So if you want to maximize the life of your SSD, you want to make sure > that this feature is turned OFF. > > Btw, what is the default for this option in Fedora, on or off? If the > default is on, how to turn it off in the cleanest possible way? how could this feature turned on at default? if you think about it you know it's impossible why? because that would mean using a *random??* SSD as cache for *what* devices?
Attachment:
signature.asc
Description: OpenPGP digital signature
-- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
