sata是不是不能hdparm，老是报错！！！

Arne

去gentoo。org也没有结果。。。。

1. 
   
2. dgdm root # hdparm -Tt /dev/hda
   
3. 
   
4. /dev/hda:
   
5. Timing cached reads:   1840 MB in  2.02 seconds = 911.93 MB/sec
   
6. Timing buffered disk reads:  148 MB in  3.00 seconds =  49.26 MB/sec
   
7. 
   
8. dgdm root # hdparm -Tt /dev/sdb
   
9. 
   
10. /dev/sdb:
    
11. Timing cached reads:   1840 MB in  2.00 seconds = 918.76 MB/sec
    
12. HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device
    
13. Timing buffered disk reads:  182 MB in  3.01 seconds =  60.37 MB/sec
    
14. HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate ioctl for device
    
15. 
    

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