This topic describes the fields of Apsara File Storage NAS (NAS) access logs.

File system that uses NFS

The logs of a file system that uses Network File System (NFS) are stored in a Logstore named nas-nfs. The following table describes the log fields.

Field Description
__topic__ The topic of the log. The value is fixed as nas_audit_log.
ArgIno The inode number of the file system.
AuthRc The return code for authorization.
NFSProtocolRc The return code from NFS.
OpList The procedure number of NFS version 4 (NFSv4).
Proc The procedure number of NFS version 3 (NFSv3).
RWSize The size of read and write data. Unit: bytes.
RequestId The ID of the request.
ResIno The inode number of a lookup resource.
SourceIp The IP address of the client.
owner_id The ID of the Alibaba Cloud account.
Vers The version number of the NFS protocol.
Vip The IP address of Log Service.
Volume The ID of the file system.
microtime The time at which the request is initiated. Unit: microseconds.

File system that uses SMB

The logs of a file system that uses Server Message Block (SMB) are stored in a Logstore named nas-smb-access-log. The following table describes the log fields.

Field Description
OpName The name of the request.
Host The IP address of the client.
ArrivalTime The time at which the request is received. Unit: microseconds.
CompleteTime The time at which the request is complete. Unit: microseconds.
ConnID The ID of the connection.
Inode The inode number of the resource object.
ObjectName The full path name of the resource object.
RequestID The ID of the request.
PersistentID The persistent ID of the file handle.
SessionID The ID of the session.
VolumeID The ID of the file system.
UserID The ID of the Alibaba Cloud account.
UserSID The system identifier (SID) of the Active Directory (AD) user.
UserSName The username.
IOBytes The size of I/O data. Unit: bytes.
Opcode The operation code of the SMB protocol.
Status The status of the response.
TotalTime The period of time required to process the request. Unit: milliseconds.