find ./ -xdev | cpio -p -d -m -v /mnt/hdc5/ returns cpio: invalid option --p
I can't see why it's a problem...?? On Sat, 6 Dec 2003 10:18:01 +1100 (EST) Grant Parnell <[EMAIL PROTECTED]> wrote: > I'm a bit concerned about running out of RAM whilst copying, maybe there's > options for reducing the buffer sizes or something like that. > > Anyway, generally speaking there's no substitute for understanding the PC > boot sequence and partitioning. In a nutshell if you have /dev/hda as > the master and /dev/hdc as the backup. I would manually partition /dev/hdc > and try to ensure the /boot partition is the same. > > This may involve convincing the BIOS of the 'correct' disk geometry. > Sometimes the BIOS will look at the partition table first! IE I've had the > same model drive come up with 2 different cylinder/head/sector counts on > the same machine. To fix use fdisk and go into extended mode and set the > C/H/S sizes and create a couple of partitions from scratch, then reboot, > you might have several goes at this. The X86 linux kernels need to be > re-started when the partition tables change, particularly if the > size/order of the partitions change. > > Anyway, back on track. You can now format the target partitions, EG > mkswap /dev/hdc2 > mke2fs /dev/hdc1 > mke2fs /dev/hdc5 > > /boot on /dev/hda1 can be directly copied with > dd if=/dev/hda1 of=/dev/hdc1 > > Other partitions could be copied the same way but you're going to be > copying the empty space too which will take a while. I prefer to use cpio > instead. For this the relevant partitions will need to be mounted > somewhere. > mkdir /mnt/hdc1 > mkdir /mnt/hdc2 > mkdir /mnt/hdc5 > mount -t ext3 /dev/hdc1 /mnt/hdc1 > mount -t ext3 /dev/hdc2 /mnt/hdc2 > mount -t ext3 /dev/hdc5 /mnt/hdc5 > Now the copy, assuming hda5 is /home for example > cd /home > find ./ -xdev | cpio -p -d -m -v /mnt/hdc5/ > > The only thing left to do which gives me the shits is to write the boot > sector on the /dev/hdc device. Theoretically you could dd the data but I > don't know where to start and how much to copy. > > As a precaution, make a boot floppy disk > mkbootdisk --device /dev/fd0 2.4.20-8 > > Now shutdown and disconnect /dev/hda, plug the backup drive into primary > IDE controller so it's now /dev/hda and boot off the boot disk. > If your boot system uses lilo just run lilo to fix. > Otherwise use grub-install /dev/hda > > Ensure your system boots off the backup drive. > Now you could write a backup script to just > mke2fs /dev/hdcN > find .... | cpio ..... > on a semi-regular basis. I've got a client that had 3 backup drives. One > kept at home, one kept at the office, one in the machine for next backup. > These are then rotated weekly. > > On Sat, 6 Dec 2003, Peter Vogel wrote: > > > Having wasted days trying to make GRUB work again after ghosting a disk, > > I bought Partition Commander today, as it was advertised as > > understanding GRUB when making copies. > > > > Then I tried to copy a whole disk of Redhat 8 Linux > > > > The procedure runs okay for a few minutes, then I get a message saying > > that the boot sector LILO or GRUB will need to be rebuilt if the boot is > > "on this partition" - how should I know if it is or not when it does not > > say which partition it's copying?? > > > > Then I tell it to continue and a few minutes later I get "Problem: not > > enough RAM ... etc etc. > > > > I thought Partition Commander would work with GRUB seemlessly? is > > anyone familar with Partition Commander? > > > > Any suggestions much appreciated. > > > > And back to my original original question, what is the foolproof (i.e. > > me-proof) way of backing up a whole system for disaster recovery > > purposes? > > > > I can SAMBA all the files off the Linux box onto my Windows box, but > > then what? There must be an equivalent to Ghost that works with Linux... > > > > Thanks > > > > Peter Vogel > > ZapTV Pty Ltd > > 30 Adeline St, Faulconbridge 2776 > > Australia > > Tel: 02 4751 8735 > > Fax: 02 4751 2601 > > email: [EMAIL PROTECTED] > > > > > > -- > ---<GRiP>--- > Electronic Hobbyist, Former Arcadia BBS nut, Occasional nudist, > Linux Guru, SLUG/AUUG/Linux Australia member, Sydney Flashmobber, > BMX rider, Walker, Raver & rave music lover, Big kid that refuses > to grow up. I'd make a good family pet, take me home today! > Do people actually read these things? Peter Vogel ZapTV Pty Ltd 30 Adeline St, Faulconbridge 2776 Australia Tel: 02 4751 8735 Fax: 02 4751 2601 email: [EMAIL PROTECTED] -- SLUG - Sydney Linux User's Group - http://slug.org.au/ More Info: http://lists.slug.org.au/listinfo/slug
