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(Maybe I can learn to type too)
On Sunday 17 February 2002 18:54, you wrote:
No GUI. It is server configured. You setup the files and configure cron to run
it for you. It will send an e-mail letting you know of problems and completed
backups. Well, Amanda uses tar. So create a new dir and copy some files into
it and do the backup restore on it.
>
> On Sunday 17 February 2002 13:07, you wrote:
> > On Sunday 17 February 2002 10:29 am, you wrote:
> > Wow, thanks for a good introduction. I currently do not use the network
> > capabilities of linux as yet and have only a local machine. I like the
> > idea of doing incremental backups and would like to use the cron
> > scheduler to perform them. I need a safe way to test a backup because I
> > used the "dump" program and it detroyed the RedHat filesystem. I
> > probably only need to make a monthly backup of system files and possibly
> > a daily or weekly backup of the home directory. Is there a GUI interface
> > for Amanda backup?
> >
> > Andy
> >
> > > There are different approaches on this.
> > >
> > > You can backup everything so that you can recreate your computer
> > > basically from scratch. It takes longer and requires more tape space.
> > > Or you only backup files that change. I.e config and data files.
> > >
> > > Backup is done to recover from two things. Either data entry or
> > > basically hard disk failure. If you need to recover some data like an
> > > invoice that was deleted you find it on the backup and voila! If you
> > > disk crash then you have to recreate it.
> > >
> > > The problem you run into is different versions of software. Lets say
> > > you buy RH 7.2 and install it today. Two months from now you have made
> > > an upgrade to your binaries. So you have the original versions of the
> > > CD and the newer one on the backup. (You may be forced to do upgrades
> > > of binaries due to security issues.)
> > >
> > > Then you have two ways of backing up. Only incremental backup, i.e.
> > > changed files, or all. This could be a huge factor if you have a LOT of
> > > data but only few files change and you don't have the time to be down
> > > while it backs up all you data. I tend to backup all data and config
> > > files.
> > >
> > > There's a factor when you backup live data. (I.e. in use.) You could
> > > backup incomplete transactions. I.e. partial save of the new/modified
> > > data. Maybe you rather have that than nothing. (This could happen when
> > > your data is spread across several files, as is often the case with
> > > SQL.)
> > >
> > > Which brings us to the rotation of backup media.
> > >
> > > Do you need to keep a going record for example for the last year? Is it
> > > worth the media and time/space to keep a backup every week or month so
> > > that you can go back to a previous date?
> > >
> > > At a minimum you have two tapes you cycle through. Two because if the
> > > backup fails before it's done, you have no backup.
> > >
> > > I tend to keep a week regardless. And I seldom backup binaries unless I
> > > do something too custom to easily recreate. Walk through dummy backup
> > > restore and see what you run into. (Preferably on a different but
> > > similar system.)
> > >
> > > Look at what it takes for you to create a new system to restore to. One
> > > rebuilds a computer in about 30 min. Add another 15 to get the latest
> > > binaries. Then restore f.ex. your data and you are back in business.
> > >
> > > Of course now we have another option too, CD's. You can burn to CD/W or
> > > CD/RW. There are different conditions that may exist for you that adds
> > > yet another twist to the story. But the above should give you enough to
> > > get you through. As usual I'm happy to give my views and
> > > considerations.
> > >
> > > Steve
> > >
> > > On Sunday 17 February 2002 07:31, you wrote:
> > > > Josh and Steve, I appreciate the suggestions. I will look into the
> > > > Amanda interface. I basically want to back up the RH 7.2 root and
> > > > home partitions (approx 4 GB) on a separate area of the hard drive (I
> > > > have only one 40GB drive) most of which is devoted to Linux but
> > > > shares space with Win98se. What file directories or partitions should
> > > > I back up? i.e. /usr, /home, everything?
> > > >
> > > > Andy W.
> > > > ----- Original Message -----
> > > > From: "steve" <steve@itcom.net>
> > > > To: <slug@nks.net>
> > > > Sent: Saturday, February 16, 2002 8:18 PM
> > > > Subject: Re: [SLUG] Re: backup of linux files
> > > >
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> > > > >
> > > > > I use tar with gz option to backup some 10G just fine.
> > > > >
> > > > > On Saturday 16 February 2002 18:58, you wrote:
> > > > > > Anyone familiar with the use of "dump" and "restore" to backup
> > > > > > files. I tried the man page for these and tried "dump" on my home
> > > > > > partition directory and ended up corrupting the filesystem. Are
> > > > > > there
> > > >
> > > > alternatives
> > > >
> > > > > > to the dump and restore program.
> > > > > >
> > > > > > Thanks, Andy W.
> > > > >
> > > > > - --
> > > > >
> > > > > Steve
> > > > >
> > > > > _______________________________________________________
> > > > > No, I don't Yahoo, I have a real e-mail account... : )
- --
Steve
_______________________________________________________
No, I don't Yahoo, I have a real e-mail account... : )
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