现有一台AIX系统，运行业务SAP，需要经过TSM备份，发现备份耗时很长超过12小时，甚至备份进程卡死。
经检查发现，所备份的数据文件都是小文件，数量繁多，而且有多级路径文件，路径级别较深。
请问遇到这种情况TSM备份时怎么优化？
Total number of objects inspected: 442,051
Total number of objects backed up: 442,029
Total number of objects updated: 0
Total number of objects rebound: 0
Total number of objects deleted: 0
Total number of objects expired: 0
Total number of objects failed: 22
Total number of bytes inspected: 114.77 GB
Total number of bytes transferred: 114.77 GB
Data transfer time: 1,686.21 sec
Network data transfer rate: 71,376.01 KB/sec
Aggregate data transfer rate: 2,612.92 KB/sec
Objects compressed by: 0%
Total data reduction ratio: 0.00%
Elapsed processing time: 12:47:41
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