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Unraid can be configured to have up to two parity drives. Unraid's Storage MethodĪ network share in Unraid can span multiple disks, but it manages the data quite differently compared to traditional RAID.
#Softraid 5 review upgrade
Additionally, it may not be possible to add a single drive and increase the size of the array. Review Upgrading to 10TB Seagate IronWolf 3.5-inch NAS Drives in a Seagate 4 Bay NAS Pro It might be common sense that hard drives continually increase in size, speed, and reliability, but when to upgrade is a different sort of question when upgrading the drives in your NAS. This can limit how you can upgrade the size of a RAID array. If you took out a single drive from a RAID5 array and plugged it into a computer, you won't be able to see anything meaningful because the data is striped.Īnother consideration with RAID is that the smallest drive limits the size of the array. This is because the entirety of the data is dependent on the other disks.
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If you were to lose two drives in a RAID5 array, you might not be able to get any of your data back. Software RAID easily lets you setup drive monitoring and e-mail notifications to keep you informed about your ThunderBays performance and drive health. RAID is still susceptible to catastrophic failure. SoftRAID 5 for ThunderBay combines advanced RAID modes, fast performance, monitoring, e-mail notification, and fast rebuild capabilities that only software RAID can deliver. RAID5 can sustain the loss of a single drive, with RAID6 being able to cope with the loss of two drives. So even a single file could exist on more than one drive.īecause RAID uses more than one drive in the reading and writing of data, there is a performance benefit. In most RAID cases when you write a file to a RAID array more than one disk will spin up, and data is striped across several drives. Unraid is unlike traditional RAID for a few reasons.