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Re: [Bug-tar] Bug in --listed-incremental with --one-file-system ?


From: Dat Head
Subject: Re: [Bug-tar] Bug in --listed-incremental with --one-file-system ?
Date: Thu, 5 Mar 2009 17:23:38 -0500

On Thu, Mar 5, 2009 at 1:38 PM, Gordon Messmer <address@hidden> wrote:

> In my tests, using --listed-incremental with --one-file-system can cause
> some filesystems to be skipped if they are listed on the command line and
> are also mounted inside an earlier listed filesystem.

welcome to my nightmare - i have never been able to get this
to work and the worst part is it just silently fails to back up whole
file systems

no error code nor error message.  it only affects me if i do like
you: use listed-incremental flag + one-file-system + list multiple
files systems + one other you don't list - it only happens to me
if there are many 100,000 of files (maybe even if it is near
millions)

other diff is it happens to me not on nested file systems, just
random ones (usually the ones with tons of files - causes the
listed-incremental code to fail - sergey provided a patch many
years ago which improved the situation but then later after file
systems grew more the problem came back and I could never
get another patch for unknown reasons)

mine is with  1.15.92 but i tried some 1.20.x with same result

only solution i know of is to do each file system separately (or
not use gnu tar for incrementals)




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