Storage - Huawei TaiShan 200 Product White Paper

TaiShan 200 Server
White Paper (Model 2180)
Supported DIMMs

6.3 Storage

The 2180 supports SAS/SATA SSDs and HDDs.
Table 6-3 Drive configurations
Configuration
Server with 12
x 3.5-inch
drives in
Expander
mode
● [1]: The front drives in a server with 12 x 3.5-inch drives in Expander mode
● [2]: I/O module 1 supports only 2.5-inch drives, and I/O module 2 supports
Table 6-4
number of drives, and drive usage.
Table 6-4 RAID level comparison
RAID Level
RAID 0
RAID 1
RAID 5
RAID 6
RAID 10
RAID 50
Issue 02 (2020-06-22)
● 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).
Maximum
Front Drives
12 (SAS/SATA
drives)
[1]
can only be 3.5-inch drives.
2.5-inch and 3.5-inch drives.
provides the comparison between RAID levels in performance, minimum
Reliability
Low
High
Better than
medium
Better than
medium
High
High
Copyright © Huawei Technologies Co., Ltd.
6 Software and Hardware Compatibility
Maximum Rear Drives
1. I/O module 1
SATA drives)
2. I/O module 2
SATA drives)
Read Write
Performance Performance
High High
High Medium
High Medium
High Medium
High Medium
High Better than
medium
Drive
Manageme
nt Mode
One RAID
[2]
: 2 (SAS/
controller
card
[2]
: 2 (SAS/
Drive Usage
100%
50%
(N - 1)/N
(N - 2)/N
50%
(N - M)/N
30