System management
An EMS node in an IBM Storage Scale System 3500 cluster provides system management functions. IBM
Storage Scale System 3500 GUI and call home run on the EMS nodes and provide management and
health monitoring capabilities. The EMS node also runs a container with Ansible playbook that can provide
orchestration of complex tasks, such as cluster conguration, le system creation, and code update.
Figure 4 on page 20 shows high-level view of system management topology.
IBM Storage Scale System 3500 Solution congurations
IBM Storage Scale System 5141 - FN2 Server Enclosure supports three solution congurations:
Performance, Capacity, and Hybrid.
Performance Conguration
A single IBM Storage Scale System 5141 - FN2 Server Enclosure with 12 or 24 NVMe-attached SSD drives
serves as the data storage component of the performance conguration.
Figure 6. Performance conguration
For more information, see Capacity and Hybrid congurations of the Overview chapter in ESS 5147 - 102
Hardware Planning and Installation Guide.
Drives
IBM Storage Scale System 3500 supports industry-standard 2.5-inch NVMe-attached SSD drive options.
The following storage capacities are supported: 3.84 TB, 7.68 TB, 15.36 TB, and 30.72 TB.
Drives are hot swappable from the front of the enclosure.
Drive slots
A drive slot represents the location in an enclosure into which a drive can be inserted.
Each drive slot must contain either a drive or an empty carrier. The empty carriers do not have drive
indicators. The numbering scheme for the drive slots is indicated on the enclosure.
The following gure displays enclosures that have 24 drives, with 2.5-inch drive slots. The drive slots are
arranged in one row of vertically mounted drive assemblies.
IBM Storage Scale System 3500 supports 12 and 24 drive congurations. All drives must be identical in
an IBM Storage Scale System 3500 enclosure. In a 12 drive conguration, drives must be installed in slots
1 - 6 and 13 - 18.
Figure 7. Front view of IBM Storage Scale System 3500 with drives installed
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IBM Storage Scale System 3500: Hardware Planning and Installation Guide