backup entire system

Tue Jan 3 15:27:56 MST 2012

well, I am almost ready to repartition my drive. But I have a question to
get opinions on; what is the difference between reiser4 and ext4? What are
the benefits and drawbacks of each?

On Mon, Jan 2, 2012 at 3:13 PM, Stephen <cryptworks at gmail.com> wrote:

> In an effort to simplify, Cloning your drive is not a bad thing to do.
> however for regular backups i will stress that you want rsync handy.
>
> Me personally i would clone the drive, probably via clonezilla via ftp
> or smb to one of your other machines. once done get the gparted
> livecd, boot that and then make the needed changes to your disk
> structure.
>
> then i would see about creating a sort of mesh of your home directory
> between the machines you use for files via rsync so all your machines
> would have the same files between them and you would have a guaranteed
> redundancy (barring total obliteration of your residence, but then you
> can work on offsite storage from there)
>
> That initial disk image will allow you a very quick restore then you
> can rsync the delta from that initial image to your current running
> state.
>
> On Mon, Jan 2, 2012 at 5:34 AM, kitepilot at kitepilot.com
> <kitepilot at kitepilot.com> wrote:
> > Save the current checksum value of your files:
> > # >/tmp/files.md5
> > # find / -xdev \( -path /tmp -o -path /var/tmp \) -prune -o -type f \
> > #     -exec md5sum "{}" \; >>/tmp/files.md5
> >
> > Validate that they haven't changed:
> > # cd /
> > # md5sum -c /tmp/files.md5
> > (This is what the  --checksum option of rsync does)
> > SAVE /tmp/files.md5 SOMEWHERE ELSE, most systems will cleanup /tmp on
> every
> > boot.
> >
> > To "replicate your system":
> > Boot the boxes with a CD (Debian live works good and is lite, no "X"):
> > # sudo -i
> > # apt-get install ssh
> > # mount -text4 /dev/sda1 /mnt
> > (You'll need to create partitions and filesystems on the "other" box)
> > And from your box:
> > # rsync -vaxHXY --checksum --super / root at otherbox:/mnt
> > On the other box:
> > You'll most likely need to adjust the /etc/fstab file because most
> distros
> > use UUID and they will not match, although that's an entirely different
> > subject altogether.
> > Quick and dirty options are:
> > .- Build the new filesystems with the same UUID(s),
> > .- Change the /etc/fstab to match the new UUID(s) or,
> > .- use absolute devices (/dev/sda1) to mount the drives.
> > I think that RedHat still uses labels, which renders the same solution
> after
> > you replace "UUID" with "label".
> > Finally on your "other" box
> > (DO NOT DO THIS ON "your" BOX UNLES YOU *KNOW* what you are doing)
> > # grub-install /dev/sda
> > And now you should be able to boot your other box like your own.
> >
> > Of course there are only 731598564385+1 variations and applications of
> the
> > recipe above.  You have there all the information you need to "solve the
> > problem", now you need to "define the problem" an reshuffle the
> instructions
> > above to fit the shoe.
> > For more info (on EVERYTHING) go read:
> > http://www.linuxfromscratch.org/
> > Enjoy...
> > ET
> >
> >
> >
> > Michael Havens writes:
> >>
> >> I was wondering... I wanted to clone my hard drive because I need to
> >> repartiton it to make it smaller. Do I really need to worry about the
> data
> >> getting corrupted? If I do need to worry about it is the data
> recoverable
> >> if something happens to it?
> >>
> >> On Sun, Jan 1, 2012 at 8:56 PM, Michael Havens <bmike1 at gmail.com>
> wrote:
> >>>
> >>> you know.... I want to clone my drive because I thought you really
> >>> Dec 29, 2011 at 3:55 AM, kitepilot at kitepilot.com
> >>> <kitepilot at kitepilot.com>wrote:
> >>>>
> >>>> I have cloned and restored 2464720174+1 systems with:
> >>>> rsync - need to vaxHXY --checksum /path1 /path2 /path3
> >>>> someone at remotebox:/mybackup
> >>>> The 'x' constrain the sweep to a partition to avoid memory directories
> >>>> (/proc, /dev, /sys) which forces to explicitly name every mounted
> >>>> directory
> >>>> to copy.
> >>>> Then you can 'restore' with:
> >>>> rsync -vaxHXY --checksum someone at remotebox:/mybackup /
> >>>> All the options are important (except '-v'), but specially '-H' *HAS*
> to
> >>>> be there if you are cloning directories with kernel files or the
> >>>> resulting
> >>>> system will eventually become unstable.
> >>>> Free advise, can't sue me...   :)
> >>>> YMMV
> >>>> ET
> >>>> PS: If you have any question,
> >>>> you will get any answer.
> >>>>
> >>>>
> >>>> Michael Havens writes:
> >>>>>
> >>>>> I got things just the way I want them. How do I make a miiror image
> of
> >>>>> my
> >>>>> hard drive? dd? Or is there a more user friendly way? I kinda want to
> >>>>> do
> >>>>> it
> >>>>> like a raid  would do it. You know.... where I would just recopy the
> >>>>> image
> >>>>> if my computer gets corrupted and it would be like the day I made the
> >>>>> image...... hmmmm.... google it! I found system rescue cd! (
> >>>>>
> >>>>> http://www.sysresccd.org/Main_**Page<
> http://www.sysresccd.org/Main_Page>)
> >>>>> DOes this sound good? What do you all
> >>>>> recommend? You know, on the first page about this one of the programs
> >>>>> is
> >>>>> partimage and they say that one of the limitations of it is that it
> >>>>> does
> >>>>> not support ext4 filesystem. hmmmmm.... after a bit of reading me
> >>>>> thinks
> >>>>> this doesn't work with ext4 even though the 'Main Page' says it does.
> >>>>> Do
> >>>>> any of you know any differently?..... hmmmmm..... I've been looking
> but
> >>>>> all
> >>>>> of the copy programs say  they support ext2 & 3 but not 4. What do
> you
> >>>>> say?
> >>>>> --
> >>>>> :-)~MIKE~(-:
> >>>>
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> >>>
> >>>
> >>>
> >>>
> >>> --
> >>> :-)~MIKE~(-:
> >>
> >>
> >>
> >> --
> >> :-)~MIKE~(-:
> >
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>
>
> --
> A mouse trap, placed on top of your alarm clock, will prevent you from
> rolling over and going back to sleep after you hit the snooze button.
>
> Stephen
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-- 
:-)~MIKE~(-:
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