write cache

  1. fr33bsd

    ZFS SLOG device with no performance effect?

    Greetings, I have a sort of backup server for snapshots. This server is only dedicated to receive snapshots. There is no NFS/FTP/.... . During a transfer of a snapshot using netcat I added a slog NVMe ssd to the backup pool. I was hoping to see even a tiny speed boost, but there was none. I...
  2. S

    Write-Back cache!

    Hi, We are looking to use NVMe SSD as write-back cache just to enhance write IOPS while reads should only be served by backend storage based on HDDs. Is this possible with FreeBSD ? Regards.
  3. olav

    Solved Is there a simple way to disable write cache?

    On Linux I can do this simply with: hdparm -W 0 /dev/sda Is this possible with camcontrol(8)?