Pouya Tafti <pouya+lists.net...@nohup.io> writes: > nia <n...@netbsd.org> writes: >> > If anecdotal evidence is helpful, I'm using ZFS with CGD >> > (ZFS on GPT on CGD on GPT...) without problems and I know at least >> > one other developer is doing the same. > > On Tue, Jul 13, 2021 at 07:23:43PM -0400, Brad Spencer wrote: >> I didn't use quite as many layers, but I tested this some time back and >> did not have any particular problems with cgd and zfs. Swapping to a >> zvol didn't work, but cgd layered fine as I remember it. > > I'm now thinking, would it make sense to do the layering the other way > around, i.e. have cgd on top of a zvol? I wonder if there would be any > resilience (and possibly performance) advantage to having zfs directly access > the hard drives (which, being old and bought off ebay, I don't quite trust) > rather than go through cgd.
To be honest about it, I don't remember if I tested in that direction. It would be simple enough to try. You just might have the same problem with missing IOCTLs that keeps swapping from working. -- Brad Spencer - b...@anduin.eldar.org - KC8VKS - http://anduin.eldar.org
