[CentOS] To discard... or not to discard...

Thu Dec 5 10:25:28 UTC 2013
John Doe <jdmls at yahoo.com>

From: Leon Fauster <leonfauster at googlemail.com>

> Am 04.12.2013 um 19:20 schrieb Akemi Yagi <amyagi at gmail.com>:
>>  On Wed, Dec 4, 2013 at 9:20 AM, Leon Fauster 
> <leonfauster at googlemail.com> wrote:
>>>  Am 04.12.2013 um 17:08 schrieb John Doe <jdmls at yahoo.com>:
>>>>  I just recently read a post about SSD triming (discard vs fstrim):
> http://www.howtogeek.com/176978/ubuntu-doesnt-trim-ssds-by-default-why-not-and-how-to-enable-it-yourself/So 
> far I used discard on all my SSDs.
>>>>  Now I am wondering if it is really worth it to switch them all to a 
> crontabed fstrim...
>>>>  Anyone made the switch yet?
> https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html-single/Storage_Administration_Guide/#idm34358800
>>>  "Red Hat recommends batch discard operations ..." (fstrim)
>>  In addition to the RH doc referenced by LF, I found this web page useful:
> http://blog.neutrino.es/2013/howto-properly-activate-trim-for-your-ssd-on-linux-fstrim-lvm-and-dmcrypt/

Ok, so I guess I will have to switch everything to fstrim (until discard+sata is better implemented).

Thanks for the info,