Qnap TS-563-2G [54/359] Raid management

Qnap TS-563-2G [54/359] Raid management
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4.2.2 RAID Management
On this page, you can perform online RAID capacity expansion (RAID 1, 5, 6, 10) and
online RAID level migration (single disk, RAID 1, 5, 10), add a hard drive member to a
RAID 5, 6, or 10 configuration, configure a spare hard drive (RAID 5, 6, 10) with the data
retained, enable Bitmap, recover a RAID configuration, and set a global spare.
To expand the storage capacity of a RAID 10 volume, you can perform online RAID
capacity expansion or add an even number of hard disk drives to the volume.
Topics covered in this chapter:
Expanding Capacity
Adding Hard Drives
Configuring Spare Drives
Bitmap
RAID Recovery
Setting/Canceling Global Spare
Further Information about RAID Management
Note:
Online RAID capacity expansion, online RAID level migration, and RAID recovery
are not supported by one-bay NAS models, the TS-210, and TS-212.
Expanding Capacity (Online RAID Capacity Expansion)
Scenario
You bought three 250GB hard drives for initial setup of a TS-509 Pro NAS and configured
RAID 5 disk configuration with the three hard drives.
A half year later, the data size of the department has largely increased to 1.5TB. In
other words, the storage capacity of the NAS is running out of use. At the same time,
the price of 1TB hard drives has dropped to a large extent.
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