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Date:      Wed, 13 Sep 2023 14:28:52 +0100
From:      Frank Leonhardt <freebsd-doc@fjl.co.uk>
To:        questions@freebsd.org
Subject:   Re: Mount bzip2 disk image
Message-ID:  <78bc91f8-665d-5ecc-4867-ba53f6291603@fjl.co.uk>
In-Reply-To: <b0e86d99-acc8-85fd-751b-8dec2fc709fe@netfence.it>
References:  <d29db23f-d20a-7e03-1498-4ff02344243d@netfence.it> <96ce2d8b-f310-96bc-394c-007541401c57@fjl.co.uk> <b0e86d99-acc8-85fd-751b-8dec2fc709fe@netfence.it>

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On 13/09/2023 13:43, Andrea Venturoli wrote:
> If you unpack it to a ZFS dataset with compression enabled, the 
> compression ZFS uses is pretty good so you might find that the disk 
> space isn't the problem you think it might be.
>
> I'd still need 2x the space (compressed + uncompressed) :(
>
The rest of the paragraph explains this would be decompressing the bzip2 
image from tape (or other offline stream), so the actual disk space 
would be about the same as having the bzip2 file on DASD.



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