On Fri, Jan 19, 2018 at 10:25 AM, Ian Collins <[email protected]> wrote:
> On 01/20/2018 12:58 AM, Chris Ferebee wrote: > >> Am 19.01.2018 um 10:07 schrieb Ian Collins <[email protected]>: >>> >>> As Jussi said, partitioning disks on a ZFS only system is uncommon. >>> >>> Splitting an SSD between log and cache generally isn't a very performant >>> option. Devices that make good cache devices may not be good logs. With >>> SmartOS running KVM, there is a big gain from log devices, but not much >>> from a cache. >>> >> On this subject: >> >> What is the current thinking on the need to mirror slog and/or L2ARC >> devices? >> > > There never has been any need to mirror L2ARC device, you might get a > small performance gain reading from a mirror. Now logs are recoverable, > there is little benefit from mirroring log devices. > > > Cheers, > Ian. > > Logs are now recoverable? This is news to me! Is this only in Illumos ZFS, or is it available in OpenZFS on Linux as well? ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
