144 Upgrade and Maintenance Manual RX2540 M2
Hard disk drives (HDD) and solid state drives (SSD)
7.1 Basic information
– SSDs are always equipped before installing HDDs.
– HDD/SSD with different capacities are installed from highest to lowest
capacity.
– HDDs with different rotation speeds are installed from highest to lowest
speed.
– When installing HDDs with different bus technologies (SAS or SATA), first
install SAS drives and then SATA drives.
– Please refer to sections "Mounting order for 3.5-inch HDDs" on page 144
and "Mounting order for 2.5-inch HDDs/SSDs" on page 187 for a complete
overview of the mounting sequence.
– Install dummy modules into unused HDD bays.
7.2 3.5-inch cage configurations HDD/SSD
7.2.1 Mounting order for 3.5-inch HDDs
Maximum configuration: 12x 3.5-inch HDDs
Basic information
– If only one HDD module is installed, the HDD module will be installed in
position 1. Empty bays must be equipped with a dummy module.
I The mounting order described above is only relevant for the factory
manufacturing process. In case of upgrading a system you need not
consider this mounting sequence.
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