Group: Forum Members
It's definitely possible, but:
- Some PCs only support booting from USB removable storage class devices (flash drives) and do NOT support booting from USB fixed disk class devices (spinning HDDs and SSDs). Even if your PC works with it, if you ever think you might need to use that Rescue environment to migrate onto a new PC, possibly after an unexpected failure of your current PC, it may not work there.
- If you want Rescue Media Builder to support building to a hard drive like this directly, you'll need to initialize your disk using the older MBR partition layout scheme rather than GPT. If you want to use GPT instead, you'd have to build and update your Rescue Media file set on that FAT32 partition manually (which in fairness isn't very difficult).
- In terms of whether this is recommended, the benefit is obviously convenience, as long as your PCs can boot from it. One drawback in addition to the ones I just mentioned is that if you intend to keep this drive connected on a regular basis, that means your Rescue Media will be online on a regular basis. That isn't really ideal, because it increases the chances that something might go wrong with it, either due to user error or something like malware. The whole point of Rescue Media is to be there to rescue you after a potentially catastrophic event, so there's an argument to be made that Rescue Media should be kept offline and therefore safe from incidents as often as possible. Of course there's nothing stopping you from having a Rescue Media partition on that drive and having separate Rescue Media on a flash drive that's mostly offline, though.