Too much logs occupy disk space

Too much logs occupy disk space

Hi, my ELA server is now logging 5 servers log, its configuration is 300GB hdd, however, after 7 days logging, I found it occupy at least 70-90 GB disk size, I am afraid it cannot wait to replace larger harddisk since our storage replacement project, I want to know what files can swap to another storage, so that can continue logging and once my storage replacement project complete in this ELA server, how can I put back these file to the ELA server?

please kindly advise!

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