RAID 10 Question

I have a RAID 10 setup with 4x 80GB SATA disks and a hardware RAID controller.
A few weeks a go we lost a disk and then a few days after that we lost another.  I replaced
the disks and rebuilt the array...everything was fine.

My question is - was I lucky?
Can you afford to lose any 2 two disks in a RAID 10 setup
or does it depend on which combination they go bang?!

Who is Participating?
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

It depends on the combination. If 2 disks die that have the same data on them, you loose the data. You were lucky.

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
Raid works link this

you have  2 drive that striped  (made in to one big drive)

you have 2 drive more  striped

Then the too sets are mirrored

You lose 1 drive ok

you can 2 if they are on the same set. (This is not likely because when 1st drive dies set will shut down)

So you could lose 2 drives and still be running, but not likely.

u9707118Author Commented:
Thanks Guys,
All I needed to know!
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today

From novice to tech pro — start learning today.

Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.