# Using DM - Hardware and Software Configurations

__*DM Software Configuration*__
__*DM hardware configuration*__

+ DM-Master
    + CPU: 4 cores +
    + Memory: 8 GB+
    + Hard Drive Type: SSD, 200 GB+
    + Gigabit
    + Number of instances: 3
+ DM-Worker
    + CPU: 16 cores +
    + Memory: 32 GB+
    + Hard Drive Type: SSD, 200 GB+ (greater than migrated data size)
    + Ten thousand trillion
    + Number of instances: greater than the number of upstream instances
+ surveillance
    + CPU: 8 cores +
    + Memory: 16 GB+
    + Hard Drive Type: SSD, 200 GB+
    + Gigabit
    + Number of instances: 1
+ Red Hat Enterprise Linux, CentOS, Oracle Enterprise Linux: 7.3 or higher
+ UbunTults: 16.04 or higher
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No note