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2016 May 04
0
Copying CentOS to new drive
...level directories I want duplicated on the new system
- iterate through them:
for i in bin boot lib etc .... ; do
mkdir -p /mnt/sysimage/$i
ssh root@$OLDSYSTEM "cd /$i && find . -xdev -print0 | cpio --null
-oaVc" | (cd /mnt/sysimage/$i && cpio --no-absolute-filenames -imVdc )
done
- make any adjustments that might necessary in the configuration
- if this was a copy of a running system I might quiesce the original,
do a final rsync of data that might have changed between now and when I
made the cpio copy
- grub-install (or equivalent)
- release the hounds.
2016 May 04
5
Copying CentOS to new drive
I recently asked about copying a running system to a new drive.
As a postscript, I'm wondering if it would have been preferable
to run the machine under a Live OS, and simply copy the root partition
to the new drive?
Eg while running under the LiveOS,
# mkdir /mnt/old /mnt/new
# mount /dev/sda7 /mnt/old
# mount /dev/sdb6 /mnt/new
# cp -avx /mnt/old /mnt/new
or
# rsync -ax