Date: Fri, 9 Mar 2007 09:00:28 GMT From: Alex Kozlov <spam@rm-rf.kiev.ua> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/92723: [feature request] fdisk(8) should be able to output current slice table in configuration file format Message-ID: <200703090900.l2990SE9088052@freefall.freebsd.org>
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The following reply was made to PR bin/92723; it has been noted by GNATS.
From: Alex Kozlov <spam@rm-rf.kiev.ua>
To: bug-followup@FreeBSD.org, jau@iki.fi, spam@rm-rf.kiev.ua
Cc:
Subject: Re: bin/92723: [feature request] fdisk(8) should be able to output
current slice table in configuration file format
Date: Fri, 9 Mar 2007 10:52:01 +0200
On Fri, Mar 09, 2007 at 07:30:10AM +0000, Jukka A. Ukkonen wrote:
> Quoting Alex Kozlov:
> >
> > fdisk -s is close enough
>
> If you are willing to do somewhat slow and also error prone
> manual labor to recreate the exact same slices you have had
> on another disk, then it is close enough.
>
> If you want a production level approach to be always able
> to automatically rebuild the same slices from another disk,
> it is not close enough.
> You now have to either manually convert the incompatible
> current output to a compatible input file or manually feed
> whatever slice specifications to rebuild.
> Neither of which is really "production quality automation".
fdisk -s $dev|perl -ne 'if(/^(.*?):\s+(\d+)\s+cyl\s+(\d+)\s+hd\s+(\d+)\s+sec/)\
{print "g c387621 h16 s63\n"}elsif(/^\s+(\d+):\s+(\d+)\s+(\d+)\s+([\da-z]+)\
\s+([\da-z]+)\s*$/){print "p $1 $4 $2 $3\n";if ($5 eq "0x80"){print"a $1\n"}}'
Too lazy to write in awk or shell. Sorry.
> We already have bsdlabel/disklabel reading and writing the
> same format which allows copying and rebuilding the exact
> same partitions.
> We already have "mount -p" to print out all currently mounted
> volumes or individual new mount points as fstab entries to
> automate mounting selected volumes to the same locations they
> are currently mounted to.
Generally, I do not object against this functionality. But more useful
enhancement to fdisk like pr 68312 or 40597 were not commited, so this
has a slim chances.
--
Adios
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