# [OmniOS-discuss] OmniOS Panic on high ZFS Write Load

Dan Swartzendruber dswartz at druber.com
Fri May 16 17:51:57 UTC 2014

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    >
    >
    > Were you using a JBOD or other expander?  I've *heard* you can direclty
    > attach SATA disks to an mpt_sas board if you're careful.
    >
    > But generally speaking, it's operationally foolish to attach SATA drives
    > anywhere other than to dedicated SATA ports.

    I have two samsung 840 pro ssds as l2arc connected directly to an LSI HBA
    and have never had any issues.  They are connected with a forward breakout
    cable, NOT on the jbod though :)

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