Data Protection Level - HP StoreVirtual 4000 User Manual

Data protection level

Seven data protection levels are available, depending upon the number of available storage
systems in the cluster.
Table 43 Setting a data protection level for a volume
With this number of
available storage systems
in cluster
1
2
3
At least 4
At least 5
At least 6
At least 7
Select any of these data protection levels
Network RAID-0 (None)
Network RAID-0 (None)
Network RAID- 1 0 (2–Way Mirror)
Network RAID-0 (None)
Network RAID- 1 0 (2-Way Mirror)
Network RAID- 1 0+1 (3-Way Mirror)
Network RAID-5 (Single Parity)
Network RAID-0 (None)
Network RAID- 1 0 (2-Way Mirror)
Network RAID- 1 0+1 (3-Way Mirror)
Network RAID- 1 0+2 (4-Way Mirror)
Network RAID-5 (Single Parity)
Network RAID-0 (None)
Network RAID- 1 0
Network RAID- 1 0+1 (3-Way Mirror)
Network RAID- 1 0+2 (4-Way Mirror)
Network RAID-5 (Single Parity)
Network RAID-6 (Dual Parity)
Network RAID-0 (None)
Network RAID- 1 0
Network RAID- 1 0+1 (3-Way Mirror)
Network RAID- 1 0+2 (4-Way Mirror)
Network RAID-5 (Single Parity)
Network RAID-6 (Dual Parity)
Network RAID-0 (None)
Network RAID- 1 0
Network RAID- 1 0+1 (3-Way Mirror)
Network RAID- 1 0+2 (4-Way Mirror)
Network RAID-5 (Single Parity)
Network RAID-6 (Dual Parity)
For this number of copies
One copy of data in the cluster.
One copy of data in the cluster.
Two copies of data in the cluster.
One copy
Two copies
Three copies
Data striped on three storage systems
including single parity.
One copy
Two copies
Three copies
Four copies
Data striped on four storage systems
including single parity.
One copy
Two copies
Three copies
Four copies
Data striped on five storage systems
including single parity.
Data striped on five storage systems
including dual parity.
One copy
Two copies
Three copies
Four copies
Data striped on five storage systems
including single parity.
Data striped on six storage systems
including dual parity.
One copy
Two copies
Three copies
Four copies
Data striped on five storage systems
including single parity.
Data striped on seven storage systems
including dual parity.
Provisioning volumes 143