從遠端備份服務器NFS掛載備份目錄至本機時，執行oracle rman 'catalog start with'命令，提示部分文件頭損壞，如下：
[root@lkdb bak0524]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root 50G 4.7G 43G 10% /
tmpfs 63G 292K 63G 1% /dev/shm
/dev/sda2 485M 39M 421M 9% /boot
/dev/sda1 200M 260K 200M 1% /boot/efi
/dev/mapper/VolGroup-lv_home 1.9T 107G 1.7T 6% /home
10.10.10.33:/rmanbak/bak0524 2.0T 1.4T 540G 72% /rmanbak/bak0524
[root@lkdb bak0524]# pwd
/rmanbak/bak0524
[root@lkdb bak0524]# ll
total 669323552
-rwxrwxrwx. 1 oracle oinstall 183123066880 May 24 15:50 full_orcl_4lr6dbks_1_120160524
-rwxrwxrwx. 1 oracle oinstall 161712259072 May 24 15:49 full_orcl_4mr6dbks_1_120160524
-rwxrwxrwx. 1 oracle oinstall 152581160960 May 24 15:47 full_orcl_4nr6dbkt_1_120160524
-rwxrwxrwx. 1 oracle oinstall 187970650112 May 24 15:58 full_orcl_4or6dclu_1_120160524
-rwxrwxrwx. 1 oracle oinstall 3311 May 24 15:29 pfiledg201605.ora
RMAN> catalog start with '/rmanbak/bak0524';
searching for all files that match the pattern /rmanbak/bak0524
List of Files Unknown to the Database
=====================================
File Name: /rmanbak/bak0524/full_orcl_4lr6dbks_1_120160524
File Name: /rmanbak/bak0524/full_orcl_4or6dclu_1_120160524
File Name: /rmanbak/bak0524/pfiledg201605.ora
File Name: /rmanbak/bak0524/standby.ctl
File Name: /rmanbak/bak0524/full_orcl_4nr6dbkt_1_120160524
File Name: /rmanbak/bak0524/full_orcl_4mr6dbks_1_120160524
Do you really want to catalog the above files (enter YES or NO)? yes
cataloging files...
cataloging done
List of Cataloged Files
=======================
File Name: /rmanbak/bak0524/full_orcl_4lr6dbks_1_120160524
File Name: /rmanbak/bak0524/full_orcl_4or6dclu_1_120160524
File Name: /rmanbak/bak0524/standby.ctl
File Name: /rmanbak/bak0524/full_orcl_4nr6dbkt_1_120160524
File Name: /rmanbak/bak0524/full_orcl_4mr6dbks_1_120160524
List of Files Which Where Not Cataloged
=======================================
File Name: /rmanbak/bak0524/pfiledg201605.oraRMAN-07517: Reason: The file header is corrupted