Infortrend EonStor CS, Maintenance Manual

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EonStor CS Installation Guide
page 123 / 133
Installation Guide
2-3.2 Scale-up
Scale-up policy

All the drive slots of the new enclosure have to be loaded with disks.

All the nodes in a cluster must be connected to the same form factor of expansion enclosures.

Before connecting an additional expansion enclosure to an existing storage node, you must set the ID
knob on the expansion enclosure. Each expansion enclosure must be configured with a different ID.

Balance storage capacity of all nodes in the pool to avoid excessive I/O load on some nodes.

EonStor CS offers different scale-up policies for SSD and HDD nodes, please check the table below.
Node Type
Storage
Configuration
Models Scale-up Expansion
Max. Number of
Drives per Node
HDD Node HDD Disk Pool 3U 16-bay
3*JB 3016 (with 16 x HDDs)
or
1*JB 3060 (with 60 x HDDs)
76
(16-bay node + 1*60-bay JBOD)
Expansion Enclosure
ID Turntable