On 14/06/15 08:26 AM, csanyi...@gmail.com wrote:
csanyi...@gmail.com writes:
Gary Dale <garyd...@torfree.net> writes:
On 13/06/15 03:19 PM, csanyi...@gmail.com wrote:
[snipped]
My headless powerpc box can't boot from CD because it hasn't CD
device. It only has USB drive. Furthermore, it can't boot with an usual
system rescue image installed on USB stick, because it uses uImage. I
tried systemrescuecd ( http://www.sysresccd.org ), gparted live to boot
with, but without success.
I think I have the possibility to use serial console only. There I can
run parted but don't know how to fix with it the problem I made.
Otherwise, there is always testdisk or your backups.
I just installed testdisk and try followings:
[snipped]
Segmentation fault
So, I can't use testdisk here.
Finally, I solved the problem by doing the followings:
# lvresize --size 455.5G /dev/mapper/bubba-storage
# e2fsck -f /dev/mapper/bubba-storage
# resize2fs -p /dev/mapper/bubba-storage
# reboot
So now I get back my /home partition and can ssh into my server.
Now, I can to use parted to resize my partitions.
What is my goal?
Filesystem Size Used Avail Use% Mounted on
/dev/root 9.2G 8.0G 815M 91% /
devtmpfs 125M 0 125M 0% /dev
tmpfs 125M 4.0K 125M 1% /dev/shm
tmpfs 125M 5.6M 120M 5% /run
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 125M 0 125M 0% /sys/fs/cgroup
/dev/mapper/bubba-storage 449G 8.2G 418G 2% /home
tmpfs 25M 0 25M 0% /run/user/1001
# fdisk -l
Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x00000000
Device Boot Start End Sectors Size Id Type
/dev/sda1 63 19551104 19551042 9.3G 83 Linux
/dev/sda2 19551105 974647484 955096380 455.4G 8e Linux LVM
/dev/sda3 974647485 976768064 2120580 1G 82 Linux swap / Solaris
# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log
Cpy%Sync Convert
storage bubba -wi-ao---- 455.40g
# pvs
PV VG Fmt Attr PSize PFree
/dev/sda2 bubba lvm2 a-- 455.42g 20.00m
As one can see, my /dev/root partition is almost full.
I want to increase /dev/root partition to be maximum available size and
decrease /home partition to only 20 GiB.
So can be the /var directory large enough to encompass the web and other
contents.
What are your advises, what do I do to reach my goal?
My advice is to leave well enough alone until such time as you are fully
comfortable using the tools. Then proceed modifying one partition at a
time and verifying that it has worked before trying to do anything else.
You've just wasted a lot of time trying to do too much at once. This is
your data that you are playing with. Some extra umount/adjust/mount
cycles are a small price to pay for minimizing the risk to your files.
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