disk c3, pcs error and frame loss on Brocade switch port Last updated Save as PDF Share Share Tweet Share Views:96Visibility:PublicVotes:0Category:fabric-interconnect-and-management-switchesSpecialty:brocadeLast Updated: Applies to Brocade switch Issue IO Frame loss events are observed on Brocade switch port. porterrshow reports lots of disk c3 and pcs error on the effected port.