ESS Series User’s Manual
RAID60 is based on RAID6, RAID0. Use multiple group of RAID6 to
form the RAID60 as the RAID0 mode. It has the read/write speed of
the RAID0 and can guarantee the redundant feature of the RAID6.
RAID60 can max support two malfunction HDDs in each sub-RAID6.
It can use the data on other HDDs to restore the data.
It is an abbreviation for Just a Bunch Of Disks. It refers to an array of
drives, each of which is accessed directly as an independent
drive.
On the basis of RAID5, it adds quick initialization, disk anti-flash off,
disk partial reconstruction, reconstruction when writing, disk pre-copy,
fast relocation and etc. It enhances the disk fault-tolerant
performance and RAID rebuild performance.
6.3 RAID Capacity Calculation
Total Space of the N disks.
（N-2*span）× min(capacityN)
The total amount of N*disk=disk space *disk amount.
Note
capacityN refers to the disk of mini space among all the member disks. Please refer to the
WEB for detailed space information.
Span means how many RAID5 to compose RAID50, or how many RAID6 to compose
RAID60.
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General