What is Raid Support?

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First... RAID is not a backup, it's a hardware redundancy so you can have a physical HDD failure, and still operate.

RAID 0 is a striped set. It will write data across all the drives. This could boost performance, but if you have a drive failure, ALL the data is lost.

RAID 1 is a mirrored set. It will write the same data on both drives(simultaneously). If one drive fails, your data is still intact on the other drive, and you can replace the failed drive, and have it rebuild the drive.
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jaymes2015

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Nov 29, 2015
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I just read the wiki. It's about duplicating drives in case your main drive failed.

Questions: what is Raid 0 vs Raid 1? 1 copies faster?

And if I go raid drives, when does my other raid drive start copying? like does it copy automatically every second or it only duplicates when I allow?
 
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USAFRet

USAFRet

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Mar 16, 2013
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The main thing you need to know about RAID in the vast majority of consumer use is....Don't.

RAID 0 - striped across 2 or more drives. With HDD's this can be a lot faster. But carries the risk of ALL data gone if any individual drive dies, or the RAID controller goes wonky.
Also, that 'speed' is beaten by garden variety SSD's.

RAID 1 - mirror across 2 or more drives. Data is written to the drives at the same time. You the user simply sees one "drive". You can't influence when the data is written.
This is for availability in the rare case of a dead drive, not for 'backups'.
 
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ss202sl

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May 23, 2012
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First... RAID is not a backup, it's a hardware redundancy so you can have a physical HDD failure, and still operate.

RAID 0 is a striped set. It will write data across all the drives. This could boost performance, but if you have a drive failure, ALL the data is lost.

RAID 1 is a mirrored set. It will write the same data on both drives(simultaneously). If one drive fails, your data is still intact on the other drive, and you can replace the failed drive, and have it rebuild the drive.
 
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