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Tosspot
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Since: Jan 17, 2009
Posts: 4



PostPosted: Tue Jul 28, 2009 2:10 am    Post subject: Re: System Restore [Login to view extended thread Info.]
Archived from groups: alt>os>linux>suse (more info?)

JannaB wrote:
> Can't I just copy the entire filesystem off to a remote hard drive
> (assuming I am logged on as root)? And if nevessary, restore it from
> same? Isn;t that one of the advantages of linux to windows?

Yerrsss, but you don't get the boot record unless you take a bit more
of an aggressive attitude.
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DenverD
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Since: Jul 26, 2009
Posts: 19



PostPosted: Tue Jul 28, 2009 3:10 am    Post subject: Re: System Restore [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

JannaB wrote:
> Can't I just copy the entire filesystem off to a remote hard drive
> (assuming I am logged on as root)? And if nevessary, restore it from
> same? Isn;t that one of the advantages of linux to windows?

Janna, i ask one more time what is you are trying to do....your first
post asked if Linux has "a counterpart to Xp/Vista's "System Restore,"
functionality?" and, i admitted no knowledge of what Redmond's "System
Restore" can do..

Mr. Rob answered my question with "The poster just wants to know if
there is a possibility to undo recent changes to the system, and there
isn't."

is he correct on what you want to do? is that what you are looking
for? does the M$ "System Restore" give you a list and you can click to
go back an hour/day/week what?? your new question (above) seems to
indicate you want a full disk snapshot of now places somewhere else
that you can restore later..

have you yet looked at YaST's "System Backup" and "System Restoration"
[go Yast > System > System Backup/Restoration]??

there is some, but not a lot of really good documentation in the
community's http://en.opensuse.org/YaST/Modules/System_Backup, but
nothing where the Restoration page should be (maybe you wanna flesh
that out?)

there is probably other documentation but i've not looked for
it...what is there states: "If you need advanced features, such as
incremental backup or network backup, you should use an expert tool."

generically pointing to the thousands of other possibilities which
exist...but apparently only you and Mr. Rob know exactly what you are
trying to do..

if it is just as you now say "copy the entire filesystem off to a
remote hard drive...And if nevessary, restore it from same" then maybe
one of these

man dd
man cp
man rsync

may have your answer--*or* if you want incremental backups you may
need a different answer...there are more ways to do that than you can
shake a stick at.....and, maybe you want an automatic, constantly
updating, off site, internet based solution like
http://www.getdropbox.com/ or http://www.rsync.net/

i'll let you and Mr. Rob work it out from here..

--
DenverD (Linux Counter 282315) via Thunderbird 3.0.1-1.1, KDE 3.5.7,
openSUSE Linux 10.3, 2.6.22.19-0.3-default #1 SMP i686 athlon
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Vahis
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Since: May 19, 2007
Posts: 79



PostPosted: Tue Jul 28, 2009 3:10 am    Post subject: Re: System Restore [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

On 2009-07-28, Tosspot <Frank.Leake.TakeThisOut@esa.int> wrote:
> JannaB wrote:
>> Can't I just copy the entire filesystem off to a remote hard drive
>> (assuming I am logged on as root)? And if nevessary, restore it from
>> same? Isn;t that one of the advantages of linux to windows?
>
> Yerrsss, but you don't get the boot record unless you take a bit more
> of an aggressive attitude.

All here as root:
1. make a copy of the MBR of disk sda (change to sdb or what have you)

dd if=/dev/sda of=mbrsda bs=512 count=1

File named mbrsda is now the copy.

2. Now back up the disk, your mbrfile will follow within the normal file
system.

Recovery:

1. Restore the disk backup.
2. dd if=mbrsda of=/dev/sda bs=512 count=1
This will restore the mbr of sda.

Warning:
Look at /etc/fstab. You may have lines something like this

/dev/disk/by-id/scsi-SATA_HDS722525VLAT80_VN693ECFE66R3D-part1

In this case the clone won't boot from another disk because the copy of
/etc/fstab in it is from the old disk, with its id in it.

To avoid this situation the disks should be mounted by some other
method, a lot of people say that mount by volume name is good.

But if you already are in this situation, you need to get the id of the
new disk to its /etc/fstab before you attempt to boot.

Use the Live CD for this.

Vahis
--
"Sunrise 4:52am (EEST), sunset 9:59pm (EEST) at Espoo, Finland (17:06 hours daylight)"
http://waxborg.servepics.com
Linux 2.6.25.20-0.4-default #1 SMP 2009-06-01 09:57:12 +0200 x86_64
8:47am up 43 days 17:21, 13 users, load average: 0.21, 0.21, 0.18
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DenverD
External


Since: Jul 26, 2009
Posts: 19



PostPosted: Tue Jul 28, 2009 4:10 am    Post subject: Re: System Restore [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

there is an interesting thread on backups currently ongoing in the
openSUSE forum, at http://forums.opensuse.org/showthread.php?t=418680

--
DenverD (Linux Counter 282315) via Thunderbird 3.0.1-1.1, KDE 3.5.7,
openSUSE Linux 10.3, 2.6.22.19-0.3-default #1 SMP i686 athlon
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DenverD
External


Since: Jul 26, 2009
Posts: 19



PostPosted: Wed Jul 29, 2009 12:10 pm    Post subject: Re: System Restore [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

still don't know exactly what you are looking for, but take a look at
"Back In Time" <http://backintime.le-web.org/>

(if Mr. Rob approves)

--
DenverD (Linux Counter 282315) via Thunderbird 3.0.1-1.1, KDE 3.5.7,
openSUSE Linux 10.3, 2.6.22.19-0.3-default #1 SMP i686 athlon
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