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Backing up sparse files ... VM's and TrueCrypt ... etc

Subject: Backing up sparse files ... VM's and TrueCrypt ... etc
From: richard.pieri-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org (Richard Pieri)
Date: Thu, 18 Feb 2010 19:27:12 -0500
In-reply-to: <4B7DB4E9.2030805-5a1Jt6qxUNc@public.gmane.org>
References: <000001caaf83$31cb15d0$95614170$@com> <4B7B8BC6.4020709@vl.com> <000101caafd8$56834280$0389c780$@com> <4B7C4263.7050907@vl.com> <7C2EBBD9-C37C-4647-AC4B-B4EC0C0A056B@gmail.com> <4B7DB4E9.2030805@vl.com>

On Feb 18, 2010, at 4:45 PM, Tom Metro wrote:
> 
>       -S, --sparse
>              handle sparse files efficiently

That's the switch that instructs tar to scan every file twice to determine sparseness.  "handle... efficiently" means "don't fill up the archive with nulls".

--Rich P.

References:
- Backing up sparse files ... VM's and TrueCrypt ... etc
  - From: blu-Z8efaSeK1ezqlBn2x/YWAg at public.gmane.org (Edward Ned Harvey)
- Backing up sparse files ... VM's and TrueCrypt ... etc
  - From: tmetro-blu-5a1Jt6qxUNc at public.gmane.org (Tom Metro)
- Backing up sparse files ... VM's and TrueCrypt ... etc
  - From: blu-Z8efaSeK1ezqlBn2x/YWAg at public.gmane.org (Edward Ned Harvey)
- Backing up sparse files ... VM's and TrueCrypt ... etc
  - From: tmetro-blu-5a1Jt6qxUNc at public.gmane.org (Tom Metro)
- Backing up sparse files ... VM's and TrueCrypt ... etc
  - From: richard.pieri-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org (Richard Pieri)
- Backing up sparse files ... VM's and TrueCrypt ... etc
  - From: tmetro-blu-5a1Jt6qxUNc at public.gmane.org (Tom Metro)

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