What's it called when a computer saves to two HDD's simultaneously

[Bluepete]

I've got millions of photos saved on one external HDD. I worry that I'll lose them, so I want to save all work from now on onto two disks simultaneously, ie, both disks are the same.

For the life of me, I can't figure out what to search for on Google or how to do it.

I'm on a reasonably fast Win.10 machine.

Please help!

Pete ;)

[Mark_h]

The full monty is a raid array. For home use there are various free apps to sync betwen two drives.

[PyroUK]

You are looking for a RAID 1 configuration there Pete.

Do you have a tower or laptop?

If it's a tower can it hold multiple HDD's in the bays?

[DJ123]

Raid 1, or mirror raid. Most midrange motherboards have this option on board. Alternatively you can install a raid controller card

[Teejayexc]

Does this help Pete?


http://www.pcworld.com/article/132877/RAID.html

[Bluepete]

That's it! Cheers all.

Pete ;)

[Amadeus]

I have a few NAS devices, made by synology. I have western digital red drives (purportedly specifically for NAS devices). Im very pleased with them.
I spent a long time determining which to go for and my requirements will probably not be the same as yours but I would recommend them.

[timwilky]

Pete.

Think how you want to preserve your photos.

In my case, I have them within a gallery app on one of my internet servers. This is backed upto my RAID 5 nas daily, and I back up the nas to cheap secondary nas on a weekly basis. The secondary lives in the garage when I am not using it.

Obviously it is not just photos but anything I want to keep.

I have no backup options for my hosted internet server, therefore I need to backup into the home nas. But the danger is I loose the home nas for some reason or files on it become corrupted. The secondary nas holds backups, not simply a synced copy of the primary.

After all you do not want a file corruption or inadvertent change to propagate. You delete it on raid storage it is still gone despite there once being two copies. Raid protects you slightly from hardware failure. But not user stupidity.

[ophic]

After all you do not want a file corruption or inadvertent change to propagate. You delete it on raid storage it is still gone despite there once being two copies. Raid protects you slightly from hardware failure. But not user stupidity.
For this reason it's often better to have a 2nd disk as an overnight backup, rather than a RAID.

[Bibio]

depends on how many gb/tb we are talking. it might be better to back up to dvd/br then file it away.

[Mark_h]

What ever you end up with, include location redundancy. Basically if you have a fancy NAS drive under your desk and another backup to an external drive, when the theiving scrote comes into your house, he or she will just sweep up everything that looks like it'll fetch cash and will make off with several copies of all of your stuff. Same if your house catched light.

Get a NAS or Raid or what-ever for convenience but maintain a remote, disconnected copy. That way WHEN you get the virus that encrypts all attatched storage, you've got a reasonably uptodate unattached storage version somewhere else to restore from.

Couple of cheepo external drives. Frequent incremental backup taken then leave one round our parents (or other regualr visit target) each time you visit, swap live one for the one they are holding. This was my master plan for data survivability. However for now it's all on 1 disk and never backed up as I just lve living life on the edge!