Hi Gino,

Can you post the 'zpool status' for each pool and 'zfs get all'
for each fs; Any interesting data in the dmesg output ?

-r

Gino Ruopolo writes:
 > Other test, same setup.
 > 
 > 
 > SOLARIS10:
 > 
 > zpool/a       filesystem containing over 10Millions subdirs each containing 
 > 10 files of about 1k
 > zpool/b       empty filesystem
 > 
 > rsync -avx  /zpool/a/* /zpool/b
 > 
 > time:  14 hours   (iostat showing %b = 100 for each lun in the zpool)
 > 
 > FreeBSD:
 > /vol1/a       dir containing over 10Millions subdirs each containing 10 
 > files of about 1k
 > /vol1/b       empty dir
 > 
 > rsync -avx /vol1/a/* /vol1/b
 > 
 > time: 1h 40m !!
 > 
 > Also a zone running on zpool/zone1 was almost completely unusable because of 
 > i/o load.
 >  
 >  
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