This topic describes the fields of NAS access log entries.

Log field Description
__topic__ The topic of a log entry. Valid value: nas_audit_log.
ArgIno The inode number of a file system.
AuthRc The authorization code that is returned.
NFSProtocolRc The return code of the Network File System (NFS) protocol.
OpList The procedure number of the NFSv4 protocol.
Proc The procedure number of the NFSv3 protocol.
RWSize The size of read/write traffic. Unit: bytes.
RequestId The ID of a request.
ResIno The inode number of a resource that is looked up.
SourceIp The IP address of a client.
User The ID of an Alibaba Cloud account.
Vers The version number of the NFS protocol.
Vip The IP address of a server.
Volume The ID of a file system.
microtime The time when a request is sent. Unit: microseconds.