Virtual Disks; Create A Storage Pool; Create A Raid Volume - Seagate Business Storage Windows Server 4-Bay NAS Administration Manual
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3. Managing Storage
Virtual Disks
Virtual disks can have one of the following storage layouts:
•
Simple—Data is striped across the physical disks. This layout increases the speed of
data access and maximizes storage capacity for the physical disks, but it does not offer
fault tolerance.
•
Mirror—Data is written on more than one physical disk. This method reduces capacity,
but can protect the data from a single disk failure. Using five physical disks can protect
the data form dual disk failures.
•
Parity—Data with parity information is striped across the physical disks. The reduction in
total storage capacity is less than a mirror layout. You need at least three physical disks
to protect from a single disk failure. This method does not protect the data from multiple
simultaneous disk failures.
A virtual disk can have one of the following provisioning systems:
•
Thin—The virtual disk can grow with disk use. It claims space from the storage pool as
needed.
•
Fixed—The virtual disk is assigned a fixed amount of storage capacity. It requires specific
action from an administrator to grow.
Create a storage pool
You can create a storage pool with physical hard drives that are unallocated, called the
primordial pool.
1.
Open Server Manager.
2.
After Server Manager has polled the server storage, in the left menu, select File and
Storage Service.
3.
Under Volumes, select Storage Pools.
4.
Select Tasks > New Storage Pool.
5.
Use the New Storage Pool wizard to create a storage pool.
When naming the pool, use a name short enough to fit in the Server Manager list.
After the storage pool is created, you can create a virtual disk to make the storage pool
available for use.
Create a RAID volume
1.
In the upper right of the Server Manager Dashboard, select Tools > Disk Management.
2.
Right-click the disk you want to use and select Convert to Dynamic Disk.
3.
Repeat for each unallocated volume to be used. There must be a minimum of three on
three separate hard drives.
Seagate Business Storage Windows Server 4-Bay NAS Administration Guide
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