<AIX求助>关于备份问题

ibmlaser

我用40G的tape备份20G左右的文件系统,却在备份中报:\"磁带不够需要换带\",请问可能是什么原因造成的？\r\n\r\n附:备份日志\r\n2003-08-20 09:39:09: ===== PRE-BACKUP VERIFICATION =====\r\n2003-08-20 09:39:09: Please make sure you have done the following.\r\n2003-08-20 09:39:09: 1. Stop all the Applications and database services.\r\n2003-08-20 09:39:09: 2. Umount the file system /stage11i.\r\n2003-08-20 09:39:09: Press any key when it\'s ok to continue...\r\n2003-08-20 09:39:13: ===== BEGIN OF BACKUP =====\r\n2003-08-20 09:39:13: Rewinding tape...\r\n2003-08-20 09:39:13: Done.\r\n2003-08-20 09:39:13: Backing up /dev/lv_stage11i...\r\nbackup: The date of this level 0 backup is Wed Aug 20 09:39:13 BEIDT 2003.\r\nbackup: The date of the last level 0 backup is the epoch.\r\nbackup: Backing up /dev/rlv_stage11i (/stage11i) to /dev/rmt0.1.\r\nbackup: Mapping regular files. This is Pass 1.\r\nbackup: Mapping directories. This is Pass 2.\r\nbackup: There are an estimated 22183132 1k blocks.\r\nbackup: Backing up directories. This is Pass 3.\r\nbackup: Backing up regular files. This is Pass 4.\r\nbackup: 3.63% of the backup is done. It should be finished in 132:48.\r\nbackup: 7.31% of the backup is done. It should be finished in 126:51.\r\nbackup: 10.84% of the backup is done. It should be finished in 123:23.\r\nbackup: 14.48% of the backup is done. It should be finished in 118:09.\r\nbackup: 18.04% of the backup is done. It should be finished in 113:36.\r\nbackup: 21.42% of the backup is done. It should be finished in 110:03.\r\nbackup: 24.98% of the backup is done. It should be finished in 105:05.\r\nbackup: 28.66% of the backup is done. It should be finished in 99:35.\r\nbackup: 32.24% of the backup is done. It should be finished in 94:34.\r\nbackup: 36.15% of the backup is done. It should be finished in 88:19.\r\nbackup: 39.78% of the backup is done. It should be finished in 83:15.\r\nbackup: 43.23% of the backup is done. It should be finished in 78:46.\r\nbackup: 46.77% of the backup is done. It should be finished in 73:58.\r\nbackup: 50.36% of the backup is done. It should be finished in 68:59.\r\nbackup: 53.96% of the backup is done. It should be finished in 63:59.\r\nbackup: 57.60% of the backup is done. It should be finished in 58:52.\r\nbackup: 61.22% of the backup is done. It should be finished in 53:50.\r\nbackup: 64.74% of the backup is done. It should be finished in 49:01.\r\nbackup: 68.33% of the backup is done. It should be finished in 44:01.\r\nbackup: 71.97% of the backup is done. It should be finished in 38:56.\r\nbackup: 76.35% of the backup is done. It should be finished in 32:31.\r\nbackup: Change Media: Insert volume number 2.\r\nbackup: Change media now.^G^G\r\nbackup: Please respond: Is the next volume ready? (yes or no): \r\nbackup: Please respond: Is the next volume ready? (yes or no): backup: 78.10% of the b\r\nackup is done. It should be finished in 42:10.\r\nbackup: Volume 2 begins with blocks from inode 7802887.\r\nbackup: 81.53% of the backup is done. It should be finished in 35:12.\r\nbackup: 85.07% of the backup is done. It should be finished in 28:10.\r\nbackup: 88.61% of the backup is done. It should be finished in 21:16.\r\nbackup: 92.17% of the backup is done. It should be finished in 14:29.\r\nbackup: There are 20848478 1k blocks on 2 volumes.\r\nbackup: There is a level 0 backup on Wed Aug 20 09:39:13 BEIDT 2003.\r\nbackup: The backup is complete.^G^G\r\n2003-08-20 12:42:07: Done.\r\n2003-08-20 12:42:07: ===== END OF BACKUP =====

dugong

从备份日志上看应该没什么问题，虽然说tape是40G，其实是压缩容量，一般是达不到的，备份20G~30G一盘带很正常，还要和你所备份的内容有关。

SAP bird

VERIFICATION---是不是多拷贝了一份!