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upengan78
l33t
Joined: 27 Jun 2007
Posts: 711
Location: IL
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 Posted: Thu Jun 23, 2011 2:07 pm Post subject: how should I do this ext3 to ext4 [SOLVED] |
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Hello,
I have following mounted partitions,
df -kh
| Code: | Filesystem Size Used Avail Use% Mounted on
rootfs 20G 17G 2.5G 87% /
/dev/root 20G 17G 2.5G 87% /
rc-svcdir 1.0M 160K 864K 16% /lib64/rc/init.d
udev 10M 220K 9.8M 3% /dev
shm 1.9G 12K 1.9G 1% /dev/shm
/dev/sda10 14G 7.9G 5.3G 60% /nfs
/dev/sda11 73G 67G 1.7G 98% /nfs1 |
mount
| Code: | rootfs on / type rootfs (rw)
/dev/root on / type ext3 (rw,noatime,errors=continue,barrier=0,data=writeback)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
rc-svcdir on /lib64/rc/init.d type tmpfs (rw,nosuid,nodev,noexec,relatime,size=1024k,mode=755)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
udev on /dev type tmpfs (rw,nosuid,relatime,size=10240k,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620)
shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime)
/dev/sda10 on /nfs type ext4 (rw,noatime)
/dev/sda11 on /nfs1 type ext4 (rw,noatime,data=writeback)
usbfs on /proc/bus/usb type usbfs (rw,noexec,nosuid,devmode=0664,devgid=85)
nfsd on /proc/fs/nfsd type nfsd (rw,noexec,nosuid,nodev)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
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I'd like to make / full featured ext4 from ext3. As you can see it is using 17G disk space from /dev/root (/dev/sda8).
I can take my system down if required. What is the easiest and most reliable way of doing so? Any ideas?
Last edited by upengan78 on Mon Jun 27, 2011 2:22 pm; edited 1 time in total |
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trippels
Tux's lil' helper
Joined: 24 Nov 2010
Posts: 137
Location: Berlin
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upengan78
l33t
Joined: 27 Jun 2007
Posts: 711
Location: IL
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| Posted: Mon Jun 27, 2011 2:20 pm Post subject: |
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Sorry for the delay in reply but I couldn't reply as I thought of doing it the hard way meaning, rsynced /dev/sda8 /USB/drive/directory from run level 1.
Then mke2fs -t ext4 /dev/sda8 and rsync again .
Everything worked fine but I did mess up big time with the ownership and perms. Thought rsyync -av --stats --progress would take care of perms but it didn't , everything got owned by root and perms got set to 777 for the 90% of files/directories if not all.
Somehow brought the system up and emerge -e system and emerge -e world got me out of trouble.
I chose doinng ext4 fs this way because it will be ideal and will yield full benefits in future.
Thanks for the link, it is useful, I am already using that way for my other partitions which are way to big for which I don't have large USB drive to run rsync  |
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