So when researching raid1 I was wondering if it was possible to partition my hdd (minimum) 3 times, use 2 of the partitions to back up my 2 ssd and use the rest of the space for files. So what I'm asking is can I have just 2/3 partitions running raid1. If so, is it a good idea? Sorry if this is an ignorant question. Let me know if you need more info
Raid1 question. Back up 2 128gb ssd to a 3Tb hdd
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AKThomsen
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- Jan 19, 2015
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The short answer is no that is not possible. This is because RAID uses the entire drive and also you should really use identical drives for RAID (otherwise it bottlenecks to the lowest performance). It is however possible to make a partition on your HDD which is used for backing up your SSD.
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Some controllers do support RAIDing partitions and not drives. Intel supported this in their boards at one point, I'm not sure if that's still the case. You'd have to check with your board/controller to see. Realize that if you get a 3TB drive and partition into 3 equal virtual drives, you can't RAID two of the partitions on the same drive. There are only one set of read/write heads so AID0 wouldn't work, and if the drive dies you lose both sets of data if you chose RAID1. If you have two different drive and partitioned them 1,2,3 and a,b,c and RAID1 the 1 and A partition then that would work. If the controller allows RAIDing partition/virtual drives.
Its a bit hard to understand from your question, but if you have 2 separate ssds in a raid 0 set (which isn't generally worth dealing with) and you want to backup that raid set to a 3TB drive yes you can do that easily. You could partition the 3TB drive to have a portion of it used for backing up the ssd raid set to, or you could just leave it all as one large partition and create a folder that the set was backed up to. Windows has built in backup utils that will do this or you could use something like CrashPlan to backup to the local drive as well.
If you could explain your disk setup a bit more I think you could get a better answer on this.
If you could explain your disk setup a bit more I think you could get a better answer on this.
Raid is not backup. It's protection against hardware(disk) failure and enables the data to stay online during a failure and recovery. Suppose you have a fire? You're likely to lose the entire system including bothe drives in a raid 1 system. Backups - with at least a copy off-site is what you want.
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