Fix documentation: Why not tar?

Bug #675520 reported by nodata
16
This bug affects 2 people
Affects Status Importance Assigned to Milestone
Duplicity
Triaged
Low
Unassigned

Bug Description

The page "Why not tar?" on the duplicity website discusses problems with tar:
 http://duplicity.nongnu.org/new_format.html

A recent HN discussion addressed most of these points, maybe this could lead to improvements in duplicity?

I quote:
"The first two issues -- a lack of index and the fact that you can't seek within a deflated tarball -- are true but are easily handled by smarter compression. Tarsnap, for example, splits off archive headers and stores them separately in order to speed up archive scanning.

The third issue -- lack of support for modern filesystem features -- is just plain wrong. Sure, the tar in 7th edition UNIX didn't support these, but modern tars support modern filesystem features.

The fourth issue -- general cruft -- is correct but irrelevant on modern tars since the problems caused by the cruft are eliminated via pax extension headers."
-- http://news.ycombinator.com/item?id=1665875

Revision history for this message
Daniel Hahler (blueyed) wrote :

Thank you for this report.

I think the documentation/website needs some updates in this regard then.

As for using tar in duplicity itself, I have no opinion myself.

summary: - duplicity: Why not tar?
+ Fix documentation: Why not tar?
Changed in duplicity:
status: New → Triaged
importance: Undecided → Low
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