Re: Bug#636164: RFP: apt-clone -- ZFS integrated APT package handling utility
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Hi,
On 01.08.2011 00:38, Robert Millan wrote:
> * Package name : apt-clone
> Version : 0.7.9nexenta28
..
> It manages GRUB menu and ZFS 'syspool'
> filesystems. Two upgrade methods supported: 1) safe upgrades via cloning a
> currently active filesystem and later chrooting into it to perform actual
> upgrade operation; 2) in-place (live) upgrades by checkpointing a currently
> active filesystem prior to any upgrade modifications done by apt-get utility.
wow, that's cool! I'd love having this in Debian. Please note, apt-clone
- - as you linked it - depends on grub 1, not grub-pc. I noticed that
while having a quick look into the code, e.g.:
if (sysexec("cat $ROOTPOOL_MNT/boot/grub/menu.lst", \@lines) != 0) {
_umount($ROOTPOOL_MNT);
die new Exception($Exception::SystemCallError, \@lines);
}
...
to be honest, that's some ugly piece of code as well. I'm not (so) sure,
whether we shall package that /right now/. I think Nexenta is still
based on Hardy and did not see much visible activity recently, as
OpenSolaris is pretty much dead, so I don't expect any major changes
very soon, as Nexenta may have other problems than apt-clone right now.
apt-clone does not look too portable either:
if ($idx > 2 && grep { /Nexenta.*Core.*Platform.*Elatte/ } @$sect) {
delete $h{$idx};
}
...
So I wonder whether it would be more useful to fork it and provide a
native Debian package instead, since this script seems not be very
useful outside Nexenta. Also I wonder if apt-clone could get LVM support
for Linux as well.
- --
with kind regards,
Arno Töll
IRC: daemonkeeper on Freenode/OFTC
GnuPG Key-ID: 0x9D80F36D
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