nb, the data drive is ZFS RAID10 On 17 August 2015 at 12:50, Lindsay Mathieson <lindsay.mathie...@gmail.com> wrote:
> Still experimenting with ZFS on a new server with proxmox 3.4. Current > Setup > > BOOT: > - Intel SSD 535 - ZFS > > Data ZFS: > - 4 * WD Velocoraptor 600GB Drives > - SSD for SLOG and Cace > - ZIL capped at 4GB > > It runs ok for a couple of days and then ZFS seems to go nuts. IO delays > goes over 50% until I kill the one VM that runs off the ZFS pool. > > > the whole system is then incredibly slow to use - ssh login takes 10-20 > seconds. pveperf on the boot disk shows the following: > > CPU BOGOMIPS: 140548.16 > REGEX/SECOND: 972975 > HD SIZE: 92.78 GB (rpool/ROOT/pve-1) > FSYNCS/SECOND: 10.00 > DNS EXT: 126.03 ms > DNS INT: 22.12 ms (brian.softlog) > > > Truly terrible fsync. The data pool is the same. The only cure seems to be > a reboot. > > > Server has 64GB RAM and Dual Intel E5-2660 > > -- > Lindsay > -- Lindsay
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