Commvault backup jobs have stopped with read/write errors Last updated Save as PDF Share Share Tweet Share Views:102Visibility:PublicVotes:0Category:ndmpSpecialty:dpLast Updated: Applies to Commvault ONTAP 8.x 7-Mode ONTAP 9 Issue The backup jobs are failing with read/write errors pointing to the storage library mount paths. The mount-paths are mounted NetApp LUNs.