Backup Vs RAID | Basic Explanation

Finally, the difference between Backup and RAID is explained in simple terms that anyone can understand. I've also explained the difference between RAID 1, 5, 6 and 10.

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[kachetusimeon]

I honestly appreciate the explanation in layman's terms. It just makes me understand Raid even more

[gasbikempg]

Great video exactly what I was looking for

[BuzzJones]

Can I use 2 or 3 external Hard Drives to Backup a 4 Drive Raid Enclosure like a Thunderbay 4, so I do not have to buy another 4 Bay Raid Enclosure, I can not find any information on this ??

[stockley]

Great explanation Dr Tiv. One of the key things that your subscribers should consider as well, is the recovery from the backup system.
- The type of backup will determine how quickly you can recover from a major failure, and thus, how long a practice is offline from seeing patients...
- How often are backups occurring - this will determine how much data loss you will have in the event of an emergency (i.e. was your data backed up 2 days ago or 2 hours ago?)

Redundancy in drives is very important in keeping your practice operational (depending on what other systems you have in place), but the recovery from backup is vital. You don't want a recovery to require a rebuild of servers, reinstallation of all software BEFORE recovery of data - causing greater then needed outages.

[katherineyu]

very nice video! Thanks for the clarification!

[mr.k]

I don't understand. If I use RAID 1 and ONE of those 2 discs fails (mechanical failure), I still have the other disc as a back-up. Now I can use it to restore the data to a new disc, no? So it IS a back-up. It's just dependent on how you use it, I would say. ...Sure, if you have to fear that a spy (??) somehow erases your complete(!) Raid1 (both discs), it won't help. Also if I erase one disc by accident (so by stupidity) ...but come on, when does this ever happen to normal people? ...Please tell me what I don't understand, because I really want to understand and get a safe solution with my data.

[Leo-uyqv]

the I on RAID stands for Independent, not inexpensive

[PatrickChapmanuk]

Yes, it can't be reiterated enough, RAID IS NOT BACKUP!! It's why I only use RAID 0 and JBOD. because I'm not dependent on needing my data 24/7.

I'm amazed consumer level customers get hoodwinked into utilizing RAID. It's often a PITA to resolve a RAID failure for the inexperienced user and decreases your storage capacity. It's only necessary if your job depends on accessing that data continuously. If you have a file server, stop using anything other than RAID 0 and backup somewhere else. Trust me you'll thank me one day.