如何从文件句柄上的数据包跟踪中查找卷 FSID 、目录 ID 、 inode 和文件名
适用于
集群模式 Data ONTAP 8
说明
本文介绍了从文件句柄上的数据包跟踪中查找卷 fsid, 目录 id, inode 和文件名的过程。
- Linux 文件句柄
Length Bytes Field Name Meaning Typical Values
1 1 fb_version NFS version Always 1
1 2 fb_auth_type Authentication method Always 0
1 3 fb_fsid_type File system ID encoding method Always 0
1 4 fb_fileid_type File ID encoding method Always either 0, 1, or 2
4 5-8 xdev Major/Minor number of exported device Major number 3 (IDE), 8 (SCSI)
4 9-12 xino Export inode number Almost always 2
4 13-16 ino Inode number 2 for /, 19 for /home/foo
4 17-20 gen_no Generation number 0xFF16DDF1, 0x3F6AE3C0
4 21-24 par_ino_no Parent's inode number 2 for /, 19 for /home
8 25-32 Padding for NFSv2 Always 0
32 33-64 Unused by Linux
- FreeBSD 文件句柄
Length Bytes Field Name Meaning Typical Values
8 1-8 fsid File system ID 0x3F607F14 1C47F86E
2 9-10 fid_len Length of the rest of the structure Always 12
2 11-12 fid_reserved Word alignment Always 0
4 13-16 ufid_ino Inode Number 3, 47
4 17-20 ufid_gen Inode Generation Number 0x0C8F960C, 0x9CFF85C7
12 21-32 Padding for NFSv2 Always 0
32 33-64 Unused by FreeBSD