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How to Clone a Drive Intelligently? - Page 2

post #11 of 34
Raid 1 will notify you if a drive fails. The disadvantage of running raid 1 is write times as it has to write the information on 2 drives for the mirroring, but in a HTPC that really doesn't matter tbh. You can setup raid 1 on your storage drives and still boot off your OS drive without any issue.

What mobo are you using in your HTPC?
post #12 of 34
Thread Starter 
Quote:
Originally Posted by Aawa View Post
Raid 1 will notify you if a drive fails. The disadvantage of running raid 1 is write times as it has to write the information on 2 drives for the mirroring, but in a HTPC that really doesn't matter tbh. You can setup raid 1 on your storage drives and still boot off your OS drive without any issue.

What mobo are you using in your HTPC?
http://www.overclock.net/system.php?i=65804

And why would write times be longer? I thought it was writing to the drives independently?
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post #13 of 34
RAID 1 would do the job for you.
Personally I use Create Synchronicity for the exact task you mentioned and I actually deleted my RAID 1 array to go back to single drive mode + Create Synchronicity. I like the added flexibility.
post #14 of 34
Yes, Like others mentioned.. RAID 1 is mirroring.. It stores the data in both drives and if one drive fails you can replace other new drive and continue to work without any data loss unlike RAID 0...

RAID 1 ---> Fault tolerance, Slow, Size Limit (Ex. 2 160GB's are like only 1 160GB, other used for Backup.. So twice the data, If Raid fails, you can add same size new HDD,still data available)
RAID 0 ---> No Fault Tolerance, Very Fast, Full Size available, If RAID fails entire data lost. So practically Screwed...
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post #15 of 34
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People keep saying RAID 1 is slow. Is it any slower than a single drive? I know it won't be fast like a RAID 0.
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post #16 of 34
Raid1 will have slower write times than a single drive (benchmarked with same drive single drive and Raid1 drive, 65.77 MB/S for Raid1 and 70.1 MB/S for single drive), but the reading time will be faster so things will load some what faster, So I would say they offset themselves and considering the write time isn't that much slower it won't really impact preformance.

So I say go for a raid1.

Also, this was benchmarked with two drives I can't say for sure but it may be a little bit slower with a third drive when writing than it would be with two drives but I can't say for sure.
Edited by Bobicon - 1/11/11 at 9:53pm
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post #17 of 34
They are considerably slow in some cases. Depends on purpose. For movies it won't much impact but for applications like photoshop ,similar will face slowdowns...

But it is defin'ly slower than single Drive.. I am using and tested them in many cases compared to single drive or RAID 0...
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post #18 of 34
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Any idea why that is?
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post #19 of 34
It's because it has to write data twice(both drives) which is not the case with single or RAID 0....
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post #20 of 34
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Quote:
Originally Posted by S_V™ View Post
It's because it has to write data twice(both drives) which is not the case with single or RAID 0....
Yes, but both drives are independent hardware wise. I'm assuming it is because the information has to go through the RAID controller and that is the bottleneck. Otherwise, it would be like writing the same file to identical hard drives in separate computers, if that makes sense...
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