[CentOS] centos 6.2 xfs + nfs space allocation

Mon Jun 11 15:07:05 UTC 2012
Stephan van Hienen <ddx at a2000.nu>

On Mon, 11 Jun 2012, James Pearson wrote:
> What does:
>
>  /usr/sbin/xfs_bmap -pl 10Gtest
>
> output (when run on the server)?

10Gtest:
         0: [0..808319]: 261386472..262194791 808320 blocks
         1: [808320..1357951]: 273699584..274249215 549632 blocks
         2: [1357952..2406527]: 307386624..308435199 1048576 blocks
         3: [2406528..2631927]: 308443904..308669303 225400 blocks
         4: [2631928..4728959]: 1279691136..1281788167 2097032 blocks
         5: [4728960..7704575]: 5285370624..5288346239 2975616 blocks
         6: [7704576..8928511]: 5333860864..5335084799 1223936 blocks
         7: [8928512..11709047]: 5219053184..5221833719 2780536 blocks
         8: [11709048..14365431]: 3943770240..3946426623 2656384 blocks
         9: [14365432..16899703]: 4437210880..4439745151 2534272 blocks
         10: [16899704..17327103]: 4449971968..4450399367 427400 blocks
         11: [17327104..18992639]: 3578345984..3580011519 1665536 blocks
         12: [18992640..20356767]: 4200870752..4202234879 1364128 blocks
         13: [20356768..20479999]: 4833581696..4833704927 123232 blocks

>
> You can also 'recover' the lost space by running (as root on the server):
>
>  /usr/sbin/xfs_fsr 10Gtest

doesn't help :

]# xfs_fsr 10Gtest
]# du -hs
17G     .

I'm also running xfs_fsr /dev/VolGroup01/LogVol00 weekly, which doesn't 
help.

> P.S. you can also see the allocated size of a file using the -s option to ls

Thanks, this shows the same info as du.


Stephan