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RAID0 Question

S

superwilly

n00b
Joined
Sep 12, 2003
Messages
62
If I have 2 80 GB drives in RAID0, do I still have a total of 160 GB of storage, or only 80 GB of storage (accessed much faster)?
 
You have 160 GB of total storage, accessed much faster.

If you used RAID 1 then you would only have 80 GB, but RAID 0 uses all of the avaliable hard drive space.
 
Cool, so this shows up in windows as a single 160 GB drive? Can I still have partitions? I like to have 2 partitions when I'm running one drive because I reformat every 3 months or so.
 
Originally posted by superwilly
Cool, so this shows up in windows as a single 160 GB drive? Can I still have partitions? I like to have 2 partitions when I'm running one drive because I reformat every 3 months or so.
Click to expand...

Yes, but remeber if one drive fails then the array is hosed along with your data. keep good backups...
 
2 partitions is no problem, make them both primary partitions (not a primary and an extended)

In Windows you can natively have either 4 primary partitions or three primary partitions and one extended partition, with its own logical drives. The extended partition being dependent on the primary its an extention of.
 
you do lose a little in RAID arrays I have two 2X36 windows sees 68.9 total and 2X80 and windows sees 152 total. It is well worth that tiny hit in capacity for the performance. Like what was said keep good back ups, I would not recomend Norton Ghost though, I have found it to break my RAID arrays. I have also been told by the IT guy at work that it is not ment to back up RAID's
 
Originally posted by mdmikep
you do lose a little in RAID arrays
Click to expand...

????
the loss your seeing is accounted for by
Binary vs. Decimal Measurement < the lions share

there is also some loss to filesystem overhead
generally a total of approx 10% (depending on filesystem)

but the total loss for RAID is less than a MB (some controllers write array info) but its a very small descriptor
 
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