write cache

  1. zenon1823

    SOLVED Very slow write speeds during sas disk badblock testing

    Hey all wondering if anyone has any thoughts on this. I'm continuing the shakedown on my new freenas hardware and am having an issue with write speeds to one particular model of SAS drive, and I'm not sure what to look into next. I initially had the DAS populated with 12 Hitachi SAS drives and...
    • zenon1823
    • Thread
    • badblock md1200 sas write cache
    • Replies: 5
    • Forum: Hardware
  2. W

    Assigning ZIL(SLOG) Device to ZFS Volume Troubles

    I just upgraded the boot drive in my computer so I had a spare 400GB Intel 750 Series PCI_e SSD. My server which runs 8x WD Gold 7200RPM drives in a raidz2 config would average around 500~600MBps so its pushing about the max the HBA can process information (SATAIII). I heard of people using SSDs...
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