Messages in this thread | | | Subject | Re: Failover root devices | From | Drew DeVault <> | Date | Fri, 18 Sep 2015 11:00:17 -0400 |
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> I personally think this is opening a can of worms. Now it's just a list > of alternative root devices. But the kernel knows absolutely nothing > about these. When is it fine to try an alternative? Why did the first > one not work? Did we just not wait long enough? Or is it a failed RAID > device? Or is it an encrypted disk that needs setup? Or is it on NFS and > the network is not available (or we are lacking driver firmware)?
I don't think these are problems that aren't already inherent in a single root device via root=.
> It could actually introduce security problems: if I know that a device > will fallback to an alternative root (under my control), I can try and > DOS the primary root.
If you have physical access then the machine is yours to do with as you please.
-- Drew DeVault
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