The Daily Insight
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Can you set up RAID with different size hard drives?

A RAID 0 setup can be created with disks of differing sizes, but the storage space added to the array by each disk is limited to the size of the smallest disk. For example, if a 120 GB disk is striped together with a 320 GB disk, the size of the array will be 120 GB × 2 = 240 GB.

Can you use different size hard drives in a NAS?

If you dont want any redundancy (and the os allows it) you could put disks of different sizes in and concatenate the storage. If you want to use mirror the disks (raid 1) then you can probably use different size disks but you will only get the total capacity of the smallest disk.

Do all hard drives need to be same size for RAID 5?

Do all drives have to be the same model and capacity for a RAID 5 array? The short answer is No, the drives don’t have to be exactly the same. The longer explanation is that for compatibility reasons, we usually recommend using the same model.

Does RAID 6 allow for different drive sizes?

Using both 1 TB disks and 0.5 TB disks, how to create a RAID 6 array using different drive sizes? The solution is fairly simple. Just put two 0.5 TB disks together in one RAID 0 volume and you’ll have a ‘virtual’ 1 TB disk. Since I had four 0.5 TB disks, I could create 2 ‘virtual’ 1 TB disks.

Can you mix and match hard drives?

with any hard drive you can mix and match them. with newer system with sata ports each port is made for one drive. you dont need to set up raid. the new drive will be seen and given a drive letter.

Can you use a NAS with only one drive?

The most popular NAS manufacturers like Qnap and Synology do allow you to build your NAS with just a 1 or 2 drives. Once you start running out of storage space you can add another drive and change setup from RAID1 to RAID5.

What is RAID1 mirroring?

RAID Mirroring means an exact clone (or mirror) of the same data writing to two drives. A minimum two number of disks are more required in an array to create RAID1 and it’s useful only, when read performance or reliability is more precise than the data storage capacity. Mirrors are created to protect against data loss due to disk failure.

Is it possible to mix drive sizes in raid?

Thanks for your feedback! You can always mix drive sizes in RAID. And in plain RAID you always get the smallest common size from all drives. So in your case, each drive use 4TB. If you added one 1TB drive, all the drives would act as 1TB drives.

What are the features of RAID 1?

Features of RAID 1 1 Mirror has Good Performance. 2 50% of space will be lost. Means if we have two disk with 500GB size total, it will be 1TB but in Mirroring it will only show us 500GB. 3 No data loss in Mirroring if one disk fails, because we have the same content in both disks. 4 Reading will be good than writing data to drive.

What are the advantages and disadvantages of mirror disk?

Each disk in a mirror involves an exact copy of the data. When one disk fails, the same data can be retrieved from other functioning disk. However, the failed drive can be replaced from the running computer without any user interruption. Mirror has Good Performance. 50% of space will be lost.