FreeNAS 8 Troubleshooting / Dell PERC5

By default FreeNAS 8 does not have the driver enabled for PERC5 and PERC6 RAID controllers commonly found in 1850/1950/2850/2950 Power Edge servers.  If you want to correct this, boot off the installation CD, and go into the shell.  From the shell you need to mount your already installed FreeNAS parition.

mount /dev/usf/FreeNASs1a /mnt

If your booting FreeNAS of a device not connected via the PERC you can modify the /boot/loader.conf with:

mfi_load="YES"

If booting from a USB device change kern.cam.boot_delay=1000 to kern.cam.boot_delay=2000

You may also want to change /etc/fstab to make the file system writable by changing:

/dev/ufs/FreeNASs1a / ufs ro 1 1

to

/dev/ufs/FreeNASs1a / ufs rw 1 1

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