[X4U] FileVault requiring WAY too much drive space?

[robert at elastica.com]

When using the encrypted image approach does/can the image grow as needed or
must I commit a fixed size up front and resize later myself?

Quoting "Kuestner, Bjoern" <Bjoern.Kuestner at drkw.com>:

> > I get an error messages saying that it needs an additional 4059.9GB free >
> to turn on FileVault, to try deleting some files or emptying the trash.  >
> 4GB I could see, even 25GB, but not 4TB.  
> > How can it require more that twice the space thats currently in use?
> 
> It doesn't. Your assumptions that it needs a little more than what's
> currently in your home is correct. And 4 TB is absurd anyway. Oh those
> creepy bugs.
> 
> Have you tried to restart and convert as the first thing?
> 
> In any way, usually when people have lots of data in their home, that is
> often music, photos and movies that don't necessarily need to be encrypted.
> For performance sake I recommend that you create a separate folder somewhere
> else and "outsource" big data to that folder, leaving mostly mail and office
> documents etc. in your home.
> 
> If you really want to encrypt these data, too, it might still be wiser to
> create an encrypted disk image that is stored outside your home. I found
> these easier to manage, because you have full control over the location of
> that disk image and when you want to compact.
> 
> If you decide to leave everything in your home, you can move the big data to
> another location. Try the conversion by turning FileVault on, then moving
> them back (which now means that OS X will copy and you have to delete the
> originals afterwards).
> 
> Björn
> 
> 
>
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