Partition Cleanup

[amanda]

Soooo: I got a new laptop. I know I'm going to need to use the proprietary OS that came with it so I thought I'd dual boot. I'll skip the shaggy dog story and cut to the chase which is that I'm pretty happy with my machine over all but I've got partitions all over the place and what I'd like to do is clean them up *without* reinstalling. One problem is that a partition which bears the boot flag is actually smack in the middle of some unallocated space.

I'm not convinced that this partition is really my boot partition but I don't fully understand ... um ... booting. I'd like to understand it better so I can make wise decisions about how to use my space better. Suggestions?

I'm reading this: https://help.ubuntu.com/community/Grub2 now.

Thanks!



[0 amanda@luna]$ sudo fdisk -l
[sudo] password for amanda:

Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xaf27f150

Device Boot Start End Blocks Id System
/dev/sda1 * 1 192 1536000 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/sda2 193 2639 19648440 7 HPFS/NTFS
Partition 2 does not end on cylinder boundary.
/dev/sda3 13755 14593 6735576 7 HPFS/NTFS
Partition 3 does not end on cylinder boundary.
/dev/sda4 2639 13318 85783320 5 Extended
Partition 4 does not end on cylinder boundary.
/dev/sda5 2639 12983 83091928+ 83 Linux
/dev/sda6 12983 13318 2691328+ 82 Linux swap / Solaris

Partition table entries are not in disk order



and also



[0 amanda@luna]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda5 78G 21G 54G 28% /
udev 1.5G 324K 1.5G 1% /dev
none 1.5G 648K 1.5G 1% /dev/shm
none 1.5G 92K 1.5G 1% /var/run
none 1.5G 0 1.5G 0% /var/lock
none 1.5G 0 1.5G 0% /lib/init/rw
/home/amanda/.Private
78G 21G 54G 28% /home/amanda

[phillw]

Soooo: I got a new laptop. I know I'm going to need to use the proprietary OS that came with it so I thought I'd dual boot. I'll skip the shaggy dog story and cut to the chase which is that I'm pretty happy with my machine over all but I've got partitions all over the place and what I'd like to do is clean them up *without* reinstalling. One problem is that a partition which bears the boot flag is actually smack in the middle of some unallocated space.

I'm not convinced that this partition is really my boot partition but I don't fully understand ... um ... booting. I'd like to understand it better so I can make wise decisions about how to use my space better. Suggestions?

I'm reading this: https://help.ubuntu.com/community/Grub2 now.

Thanks!



[0 amanda@luna]$ sudo fdisk -l
[sudo] password for amanda:

Disk /dev/sda: 120.0 GB, 120034123776 bytes
255 heads, 63 sectors/track, 14593 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0xaf27f150

Device Boot Start End Blocks Id System
/dev/sda1 * 1 192 1536000 7 HPFS/NTFS
Partition 1 does not end on cylinder boundary.
/dev/sda2 193 2639 19648440 7 HPFS/NTFS
Partition 2 does not end on cylinder boundary.
/dev/sda3 13755 14593 6735576 7 HPFS/NTFS
Partition 3 does not end on cylinder boundary.
/dev/sda4 2639 13318 85783320 5 Extended
Partition 4 does not end on cylinder boundary.
/dev/sda5 2639 12983 83091928+ 83 Linux
/dev/sda6 12983 13318 2691328+ 82 Linux swap / Solaris

Partition table entries are not in disk order

and also



[0 amanda@luna]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda5 78G 21G 54G 28% /
udev 1.5G 324K 1.5G 1% /dev
none 1.5G 648K 1.5G 1% /dev/shm
none 1.5G 92K 1.5G 1% /var/run
none 1.5G 0 1.5G 0% /var/lock
none 1.5G 0 1.5G 0% /lib/init/rw
/home/amanda/.Private
78G 21G 54G 28% /home/amanda


Okies, very quickly. You can have 4 logical or 'parent' extended partitions sda1 - sda3 are Win logical partitions - at a guess, I'm surmising you have a Win Recovery partition.
sda4 is a 'parent' extended partition. sda5 & sda6 are 'child' partitions of the parent partition.
Hope that makes some sense to you, it is very basic intro to partitions !!

sda5 (your ubuntu area) reports back that you've used 28% - Any thing below 80% is good. After 80% it's time to think about either some pruning or give it more room. Over 90% is SERIOUS.

As rough calculation, it seems you have 2GB of swap - which is fine if you have 2GB of RAM. The 'loss' of a GB of disk space on your system is not really worth getting the scalpel out for.

Regards,

Phill.

[amanda]

The space won't be an issue for a long time, but it was (is) making me kind of nuts to have such a scattered setup.

The thing I realized I needed to do was to remove the ntfs partion at /dev/sda2 and re-create it to use the full available space between /dev/sda1 and /dev/sda4. So that was one thing.

I still have about 6G between some unallocated space after /dev/sda5 but within /dev/sda4 (2.57 GiB) and after /dev/sda4 (3.35 GiB).

I also found the "hidden" flag, which I set on the rescue partition and the "SERVICEV003" partition so I don't have to look at them.

I'd still like to figure out whether or not /dev/sda1 is really my boot partition and whether I can safely overwrite it.

[darkod]

The thing I realized I needed to do was to remove the ntfs partion at /dev/sda2 and re-create it to use the full available space between /dev/sda1 and /dev/sda4. So that was one thing.


It doesn't look like there is more space between /dev/sda1 and /dev/sda4. /dev/sda2 is already taking all space between 193 and 2639 and then /dev/sda4 starts.

PS. Also there is no free space inside /dev/sda4, it's taken by / and swap.
Yes, there is some space after /dev/sda4 between 13318 and 13755, and that is all.