Backup getting failed with 636

Backup of a SAN media server getting failed with error 636.

Snippet from bpbkar logs:

16> dtcp_write: TCP - failure: send socket (560) (TCP 10054: Connection reset by peer)
22:26:16.751 [25536.1356] <16> dtcp_write: TCP - failure: attempted to send 48 bytes
22:26:16.767 [25536.1356] <16> dtcp_shutdown: TCP - failure: shutdown socket (628) (TCP 10054: Connection reset by peer)
22:26:16.767 [25536.1356] <16> dtcp_shutdown: TCP - failure: shutdown socket (596) (TCP 10054: Connection reset by peer)
22:26:16.813 [25536.1356] <16> dtcp_read: TCP - failure: recv socket (628) (TCP 10053: Software caused connection abort)