ORA-19502: write error on file "/oracle/data/backup/pmoracle10g_20150606_17q8q0mp_1_1_full", blockno

在ORACLE 10g下为表空间rman热备份时执行

run

{

allocate channel c1 type disk maxpiecesize=2000M format '/oracle/data/backup/pmoracle10g_%T_%U_full' ;

allocate channel c2 type disk maxpiecesize=2000M format '/oracle/data/backup/pmoracle10g_%T_%U_full';

allocate channel c3 type disk maxpiecesize=2000M format '/oracle/data/backup/pmoracle10g_%T_%U_full';

backup database tag='pmoracle10g_full_backup' ;

sql 'alter system archive log current';

release channel c1;

release channel c2;

release channel c3;

11> }

报错：

ORA-19502: write error on file "/oracle/data/backup/pmoracle10g_20150606_17q8q0mp_1_1_full", blockno 37633 (blocksize=8192)

ORA-27072: File I/O error

Linux-x86_64 Error: 9: Bad file descriptor

错误原因：

从报错信息来看应该是写文件时遇到I/O错误，一般是磁盘空间不足导致。用df命令查看磁盘空间
[root@pengman Desktop]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/vg_pengman-lv_root

16G 15G 296M 99% /

tmpfs 936M 228K 936M 1% /dev/shm

/dev/sda1 485M 38M 422M 9% /boot

/dev/sr0 3.5G 3.5G 0 100% /media/RHEL_6.4 x86_64 Disc 1