As I have now rebuilt my Openfiler 2.3 iSCSI box, I thought that it would be wise to document the procedure as I have installed Openfiler on a USB memory stick. This was something I’ve wanted to do this for a while now. Basically, I’m trying to cut back on the number hard disk drives in my environment. If therefore decided to install Openfiler on a USB memory stick instead of another hard drive. I could then run 4 750GB SATA drives in RAID10 and leave the Openfiler OS to run on the USB stick.

As most servers can boot from USB, I didn’t expect any issues with installing and booting Openfiler from USB. However, Openfiler doesn’t load the USB storage drivers when it boots by default. You’ll have to tweak the initrd image in order to boot from USB.

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