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How can I use a rescue media thumb drive and USB disk when I only have one USB port

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My old laptop has only one USB port available. I would like to be able to create a rescue thumb drive, boot it, and then replace the thumb drive with disk to backup to.

I have successfully made a Survivor Kit which worked, but I don't want to do that as I'd like to use a USB backup drive for other purposes as well and just toss a .tibx out there.

Before going down a rat hole experimenting, perhaps a boot guru or two could weigh in on possible tactics.

Thanks.

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Bruno, I experimented last year with a 128GB USB 3 memory stick that I created a Survival Kit partition on which did allow me to use it as both a boot drive plus store backups, but I later decided to remove the 2GB rescue partition and keep the stick as just a backup media using NTFS instead.

I have an external USB 3.0 powered 4 port hub that I tend to use where needed, as I can use this to boot from a smaller USB stick along with having an external backup drive connected.  The 4 ports on the hub are individually switchable, so I normally would leave the HDD switched off until after the rescue stick was found and started the boot process, then switch the HDD on at that point.

Bruno,

I have not tried recently but in the past once the Recovery media was booted fully, it was possible to remove the physical media as the loading of the media occurs entirely in RAM so once loaded will run until you end the session.

Bob, am sure that you can still do the same, i.e. remove the rescue media once fully booted and loaded into memory.  The only time this might fail would be on a system with minimum memory installed?

I have a 128GB USB 3 stick with rescue partition on it and a 3TB USB 3 drive with a similar configuration; also have a powered USB 3 hub similar to the one Steve has. All of these are useful with my HP tablet which only has one USB port.

Ian