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Jefklak
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Joined: 26 Oct 2003
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Location: Belgium
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 Posted: Tue Aug 24, 2004 11:27 am Post subject: Upgrading to Reiser4 & an Windows partition: some help |
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This is the current setup: I am trying to get everything working in linux wich works in windows. So far, since kernel 2.6.7, I think I'm ready to completely remove my windows partition (since my ACPI DSDT for the laptop finally is fixed and there are some specefic improvements regarding destkop usage). When I first saw reiser4 was released a day ago, I had an idea.
| Code: | /dev/hdc1 > Windows - FAT32 (30 Gig)
/dev/hdc2 > Boot - ext3
/dev/hdc3 > Swap
/dev/hdc4 > Root - reiser v3.6 (25 Gig) |
Total +/- 60 GGB including swap & boot things. OK, Now I would like to know a few things before doing anything:
> A] If I remove my win partition, can I resize my root partition (bigger)?
> B] Can I convert reiser v3.6 to reiser4 without any loss of data?
> C] If A is no option, can I "backup" my whole root partition, remake my whole partition table with reiser4 and put the backed up files all back without having to install gentoo again? If so, what program should I use to make it myself easy? I currently use about 6 gig.
Thanks 
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Cuardin
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Joined: 06 Feb 2003
Posts: 713
Location: vasastaden.stockholm.se
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| Posted: Tue Aug 24, 2004 12:05 pm Post subject: |
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A) Probably not. Partitions are one unbroken segment of HD. You can move the borders, but only between adjacent partitions. However, there might be hope.
 Kill the FAT32
Back up the /boot
Kill the Swap.
Make a new /boot at the beginning of the HD ( and please remember to reinstall grub at this point )
Make a new swap right after the /boot
At this point you have a boot and a swap at the beginning of the HD, a root at the end and 25Gb of free space inbetween. Now you can move the root to right after the swap and then resize it to the end of the HD.
But I would reformat the fat32 into something and mount it as /home or wherever you keep your multimedia archives.
B) Don't know reiser4.
C) Yes you can. The only thing on your HD that is dependent on how your partitions are placed and such is your boot loader. Everything else is happily unaware of anything except what its path is after it has been mounted. But then you would pretty much be doing what I recomend in A).
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Riftwing
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Joined: 06 Oct 2002
Posts: 293
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| Posted: Wed Aug 25, 2004 8:07 am Post subject: Re: Upgrading to Reiser4 & an Windows partition: some he |
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| Jefklak wrote: |
> B] Can I convert reiser v3.6 to reiser4 without any loss of data? |
No unless you move all your data off of the drive, reformat, then move it back on.
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Jefklak
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Location: Belgium
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| Posted: Wed Aug 25, 2004 8:20 am Post subject: |
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Hm. I already tought there will be trouble if I wanted to switch some time... How about that backup thing, how do I do that? yust tar cjf / backup.tar.bz2 or is there a nice program wich uses some better methods?
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Voltago
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Joined: 02 Sep 2003
Posts: 2593
Location: userland
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| Posted: Wed Aug 25, 2004 8:42 am Post subject: |
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| Important: For backup with tar, use '-p ' to preserve permissions. |
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yngwin
Retired Dev
Joined: 19 Dec 2002
Posts: 4572
Location: Suzhou, China
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| Posted: Wed Aug 25, 2004 10:47 am Post subject: |
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A] No, they're not adjacent
B] No, Reiser4 is completely different
C] There is partimage (it's in portage) for backups of whole partitions.
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Voltago
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| Posted: Wed Aug 25, 2004 1:05 pm Post subject: |
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| yngwin wrote: |
C] There is partimage (it's in portage) for backups of whole partitions. |
Since partimage preserves the file system itself, there would be no point in using it here. |
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Jefklak
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| Posted: Wed Aug 25, 2004 2:46 pm Post subject: |
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So, you propose yust to use tar to make 1 file of the whole root dir & subdirs including permissions etc? Is it safe enough? (Probably stupid question but I'll ask it anyway...)
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Voltago
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| Posted: Wed Aug 25, 2004 3:57 pm Post subject: |
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| Jefklak wrote: | | So, you propose yust to use tar to make 1 file of the whole root dir & subdirs including permissions etc? Is it safe enough? |
Well yes. Oh, and another tip: tar lets you exclude files and directories, so do not have to backup /proc, /sys or (if you are using udev) /dev: Check out the --exclude and --exclude-from options. |
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