server maintence required?

[Janis]

cPanel shows Disk sda5 (/var) getting full..... [99%]

doesn't it need some maintence?

thanky you for reading this

edit:
cPanel nw shows this proces down too
exim (exim-4.52-7_cpanel_smtpctl_av_rewrite_mm2_mmmtrap_exiscan_md5pass)

 

[Spartan Erik]

it goes up pretty often, but its usually taken care of

i.e. now its 91%

what is stored on disk sda5 anyway? lol