Hi fellow LEAFers.

I am trying to run up a new router prototype using the current 4.2.1rc1 software as a first step in replacing my aging fleet of routers. My existing routers are used in branch offices in remote locations where IT help is usually not available so failures are dealt with by swapping in a new box using whatever local talent is available so the process must be very simple and non technical. The existing routers all use a CF card to boot from which makes swapping a router quite easy as the configuration moves with the CF card. I do not have monitors and keyboards on these systems. They are just  black boxes that hang on the wall. As most new motherboards do not have an IDE interface I am thinking of switching to use a USB flash drive to boot instead. I have run into a boot issue thoughand am not sure of the best way forward so I am looking for some advice.

The issue is that the routers also have 2 mirrored SATA hard drives in them. The hard drives and the USB drive are all recognized as SCSI (sdx) devices but not in a consistent way. For example the first hard drive as sda, the USB drive as sdb and the second hard drive as sdc. I could live with this and edit syslinux.cfg and leaf.cfg to point to sdb except that if a hard drive fails this order changes and I cannot reboot the router again without re-editing these files. Is there a way around this? If I could get the USB drive to consistently show up as sda that would be fine.  Is there a way to use some sort of alias or dynamic assignment?  This was not an issue with the CF cards as they used the hdx interface which was static.

Thanks for any thoughts or idea,

Dave

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