Supported DIMMs
● For details about component options, consult your local Huawei sales representative.
● DIMMs on one server must be of the same model, type (RDIMM or LRDIMM), and
specifications (capacity, bit width, number of ranks, and height).
6.3 Storage
The 2180 supports SAS/SATA SSDs and HDDs.
Table 6-3 Drive configurations
Configuration
Maximum
Front Drives
Maximum Rear Drives
Drive
Manageme
nt Mode
Server with 12
x 3.5-inch
drives in
Expander
mode
[1]
12 (SAS/SATA
drives)
1. I/O module 1
[2]
: 2 (SAS/
SATA drives)
2. I/O module 2
[2]
: 2 (SAS/
SATA drives)
One RAID
controller
card
● [1]: The front drives in a server with 12 x 3.5-inch drives in Expander mode
can only be 3.5-inch drives.
● [2]: I/O module 1 supports only 2.5-inch drives, and I/O module 2 supports
2.5-inch and 3.5-inch drives.
provides the comparison between RAID levels in performance, minimum
number of drives, and drive usage.
Table 6-4 RAID level comparison
RAID Level
Reliability
Read
Performance
Write
Performance
Drive Usage
RAID 0
Low
High
High
100%
RAID 1
High
High
Medium
50%
RAID 5
Better than
medium
High
Medium
(N - 1)/N
RAID 6
Better than
medium
High
Medium
(N - 2)/N
RAID 10
High
High
Medium
50%
RAID 50
High
High
Better than
medium
(N - M)/N
TaiShan 200 Server
White Paper (Model 2180)
6 Software and Hardware Compatibility
Issue 02 (2020-06-22)
Copyright © Huawei Technologies Co., Ltd.
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