Some problem about the xfs_db??

[Vincent,Wei]

Hi all
     I used the xfs_db to check the fragment about my disk.
First I had format the disk,then I try to write the file on it.
5min later, we use df -h to check:
/dev/sda1               465.6G    295.4M    465.3G   0% /mnt/hdd0
Now I use the :
xfs_db -c frag  -r /dev/sda1
actual 616, ideal 30, fragmentation factor 95.13%

why?? this is nearly a new disk!!! How can it so many fragments?


Thanks for your help!!
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