Atleaset in my experience, I saw Corruptions when ZFS file system was full. So 
far there is no way to check the file system consistency on ZFS (to the best of 
my knowledge). ZFS people claiming that ZFS file system is always consistent 
and there is no need for FSCK command. 
   
  >>>I cannot issue a ls -la (it hangs) but a ls  works fine
   
  Masthan: On a ZPOOL it is always good to reserve 20% of the pool space for 
storing  meta data . And not to use this 20% space for any other purpose. In 
your case, flush the data and then sync the zpool, still if you are seeing the 
problem reboot your machine. If it is really bad to you reboot also wont work, 
in that case increase the ZPOOL space.
   
  -Masthan 

Richard Elling <[EMAIL PROTECTED]> wrote:
  Michael Barrett wrote:
> Robert Milkowski wrote:
>> Hello Michael,
>>
>> Sunday, May 27, 2007, 5:13:39 AM, you wrote:
>>
>> MB> Does ZFS handle a file system full situation any better than UFS? 
>> I had
>> MB> a ZFS file system run at 100% full for a few days, deleted out the 
>> MB> offending files to bring it back down to 75% full, and now in 
>> certain MB> directories I cannot issue a ls -la (it hangs) but a ls 
>> works fine. MB> Normally in UFS this meant one would need to run a 
>> fsck. What does one
>> MB> do for ZFS?
>>
>>
>> 1. I've never run at a bug tat after ufs was 100% you need to fsck -
>> perhaps there's another problem?
> 
> Normally if you have a ufs file system hit 100% and you have a very high 
> level of system and application load on the box (that resides in the 
> 100% file system) you will run into inode issues that require a fsck and 
> show themselves by not being about to long list out all their attributes 
> (ls -la). Not a bug, just what happens.

I've done extensive testing of this condition and have never found a need
for fsck. Can you reproduce this? If so, then please file a bug!
-- richard
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