August 11, 20169 yr I just added 2 ssd's to my cache pool and put them in raid 0. I am now running my vm disks off that. My first question is about COW - In the release literature it says to disable COW since it negatively impacts vm performance; however, here in this post https://lime-technology.com/forum/index.php?topic=45484.0 jon says to have it enabled? Can someone verify for me which solution is preferred. Secondly, is there any way to change my cache pool from btrfs to something else? I have read quite a few articles stating kvm has poor performance with that file system. Thanks for all the help as always!!
August 12, 20169 yr Community Expert Can't help with the 1st question but a cache pool has to be btrfs, it can also be xfs or reiser for single disk only.
August 12, 20169 yr Author Ah okie, thanks for the info. Hopefully we can implement a different FS for the cache pool in the future to utilize KVM better. Now I just need to know which piece of information about COW is correct
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