H3C UniServer R4900 G6 Ultra User Manual

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Table 33 Comparison of RAID levels
Explanation of
RAID levels
Reliability Read performance Write performance Disk utilization
RAID 0 Low High High 100%
RAID 1 High High Low 50%
RAID 5 Higher High Medium (N-1)/N
RAID 6 Higher High Medium (N-2)/N
RAID 10 High High Medium 50%
RAID 1E High Medium Medium 50%
RAID 50 High High Higher (N-M)/N
RAID 60 High High Higher (N-M*2)/N
Note: N represents the number of member drives in a RAID group and M represents the number
of sub-groups for a RAID group.
I/O expansion
The R4900 G6 Ultra provides the following types of PCIe extended modules. You can choose
devices based on required module types and rates.
• FC HBA modules
• Network adapters
• SSD expander modules
For information about the system components that are available for purchase, contact the H3C sales
representative.
Supported operating systems and software
The following are supported on the server:
• Fourth generation Intel
®
Xeon
®
scalable processors
• Citrix Hypervisor 8.2 (64 bit)
• H3Linux 2.0.2-SP01
• Microsoft Hyper-V Server 2019
• Microsoft Windows Server 2022/2019
• Oracle Linux 8.6
• Oracle Linux 9.0
• Red Hat Enterprise Linux 8.6 (64 bit) (includes KVM)
• Red Hat Enterprise Linux 9.0 (64 bit) (includes KVM)
• Rocky Linux 8.6
• Rocky Linux 9.0
• SLES 15 (64 bit) SP4 (includes XEN & KVM)
• Ubuntu Server 20.04.5 (HWE-Kernel) (64 bit) – LTS

H3C UniServer R4900 G6 Ultra Specifications

General

Processor	Intel Xeon Scalable Processors
Maximum Processors	2
Memory Slots	32 DIMM slots
Form Factor	2U Rack Server
Storage	Up to 24x 2.5" or 3.5" drives
Operating System Support	Windows Server, Red Hat Enterprise Linux, SUSE Linux Enterprise Server
Expansion Slots	Up to 8 PCIe slots