Raid 1 vs Raid 10 - which one gives better speed?

Chris Worner

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How can give me a comparison between RAID 1 and RAID 10 which one give better speed?
 

ForwardWeb - Branden

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#2
RAID 1+0 (or 10) is a mirrored data set (RAID 1) which is then striped (RAID 0), hence the "1+0" name. A RAID 1+0 array requires a minimum of four drives – two mirrored drives to hold half of the striped data, plus another two mirrored for the other half of the data. In short raid 10 should be used and has less to do with speed but more about storage and data security
 

HostBastic

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What type of drives are you using? NVMe, SSD, SAS or HDD?

In general RAID 10 will outperform RAID 1, if using hardware raid always make sure to use quality raid controllers, that will improve performance.

If you are using NVMe drives speed between a RAID 1 or RAID 10 setup in a real life scenario is irrelevant, unless you are planing to run some I/O monster.
 
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#9
RAID 10 performance is better than RAID 1 as RAID 10 fault tolerance level is greater than RAID 1.
Data loss in RAID 10 can be recovered easily than in RAID 1.
 

bountysite

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#11
RAID10 should be twice faster in writes to RAID1, due to striping. Faster reads too.
And RAID10 can handle n(where n is number of mirrors in RAID10) hard drive failures, as long as one of the drives in any mirror is functional. If you loose two drives in a single mirror, then you loose data.
 
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#12
RAID 10 performance is better than RAID 1 as RAID 10 fault tolerance level is greater than RAID 1.
RAID10 should be twice faster in writes to RAID1, due to striping. Faster reads too.
 
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