A watchtower is basically a second node to deal with some of these issues

https://github.com/lightningnetwork/lnd/blob/master/docs%2Fwatchtower.md

Even if everything goes perfectly in a recovery scenario, closing channels and replacing them can get expensive, so it's best to make sure the node environment is a resilient one so it doesn't come up... I suggest an Nvme with a laptop battery at minimum