Re: [Bug-tar] Issue with GNU Tar and HP-UX LVM v2.2 filesystems

[Joerg Schilling]

Michael White <address@hidden> wrote:

> Hi Joerg & Nathan,
>
> First thanks again to both of you for taking the time to try and explain this 
> to me I very much do appreciate it.
>
> I believe I have found a way to get the stat info you requested.  I found a 
> perl one liner that appears to display the stat data.
>
> perl -e 'print ((stat($ARGV[0]))[0]," \n");' <file>
>                                                         ^ and I believe this 
> is the offset to the stat fields (please correct me if I'm wrong)
>                                                             I incremented 
> this value (0 - 18) to get the below output
>                                                             though I don't 
> know why some fields are blank.
>
> One of you talked about signed values.   And that does appear to be the case. 
>  See my output below using the above perl command.  The filesystem created as 
> a HPUX LVM 2.2 does show a sign whereas the 1.0 version created filesytem 
> does not.
> So that evidently and maybe other items are causing GNU tar incremental to 
> fail.
>
> So now the big question.  What do I need to do to request a fix so GNU tar 
> incremental will work for HPUX?  I would dearly love to use GNU tar 
> incrementals on this platform.
>
> cghbck a 2.2 vg
>
> -2147475455            dev_t      st_dev       ID of device containing file

As you see, st_dev is signed and it seems that gtar does not deal with this 
fact in a symmetrical way for reading/writing the temporary file.

Jörg

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