On Fri, 12 Feb 2016 15:01:14 +0300 Andrey Tataranovich <tataranov...@gmail.com> wrote:
> On Wed, 10 Feb 2016 21:05:23 +0100 > Volker Janzen <v...@voja.de> wrote: > > > if my server for OpenVZ legacy has HDD and SSD, what can I do to > > benefit from SSD speed? > > Recently I have tested following solutions for openvz legacy server: > > * flashcache 3.1.2 (writeback mode) > * btier 1.3.11 > * dm-cache (bundled in openvz kernel) > > Not tested btier 2.x, bcache and enhanceio due to minimal kernel > version requirements. > > In my tests flashcache was the fastest when measuring random IO (iops, > latency and bandwidth). > Using flashcache/dm-cache you do not need to prepare you existing data. Unmount /vz, create SSD cache device, and mount cache device to /vz. Do not use LABEL or UUID in fstab on this stage to avoid mounting cache backend device! Btier cannot use existing data. -- WBR, Andrey Tataranovich _______________________________________________ Users mailing list Users@openvz.org https://lists.openvz.org/mailman/listinfo/users
