[ale] ZFS on Linux

[Chris Ricker]

It's more or less inherent to any COW style fs

What you can still do, however, is truncate an existing file. So find a 
big file,

# cat /dev/null > /path/to/big/sacrificial/file

and repeat until you've freed up enough space to work more 
conventionally. It gets more "entertaining" if snapshots are involved, 
of course...

On 4/1/13 8:38 AM, Jim Kinney wrote:
> That sucks!
>
> I will need to look closely at the filesystem tool chain. Maybe 
> there's a new flag to disable the cache to unstick a file delete.
>
>
> On Mon, Apr 1, 2013 at 7:14 AM, Wolf Halton <wolf.halton at gmail.com 
> <mailto:wolf.halton at gmail.com>> wrote:
>
>     A gotcha on ZFS:
>     If it ever fills up a drive array, for instance the backup process
>     starts writing recursively, you can't remove anything, since it
>     uses disk space to write a cache of what you delete.  You have to
>     copy the files to a larger array and reformat your stuffed ZFS
>     array.  Ask me how I know?
>




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