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On Fri, Jan 20, 2017 at 11:59:36AM +0200, Georgi Naplatanov wrote:
> On 01/20/2017 11:54 AM, Gokan Atmaca wrote:
> > Hello
> >
> > Debian is running as a VM on the KVM. I enlarged the disk with QEMU.
> > But the disk is as follows.
> > So he did not grow up.
> >
> > Pre:
> > root@debian:/home/gokan# fdisk -l
> >
> > Disk /dev/sda:[b] 40 GiB[/b], 42949672960 bytes, 83886080 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: 0x6845f24a
> >
> > Device Boot Start End Sectors Size Id Type
> > /dev/sda1 * 2048 80383999 80381952 38.3G 83 Linux
> > /dev/sda2 80386046 83884031 3497986 1.7G 5 Extended
> > /dev/sda5 80386048 83884031 3497984 1.7G 82 Linux swap / Solaris
> >
> > root@debian:/home/gokan#
> > root@debian:/home/gokan# df -Th
> > Filesystem Type Size Used Avail Use% Mounted on
> > /dev/sda1 ext4 38G 908M 35G 3% /
> > udev devtmpfs 10M 0 10M 0% /dev
> > tmpfs tmpfs 201M 4.4M 196M 3% /run
> > tmpfs tmpfs 501M 0 501M 0% /dev/shm
> > tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock
> > tmpfs tmpfs 501M 0 501M 0% /sys/fs/cgroup
> >
> > Post:
> > root@debian:/home/gokan# fdisk -l
> >
> > Disk /dev/sda:[b] 50 GiB[/b], 53687091200 bytes, 104857600 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: 0x6845f24a
> >
> > Device Boot Start End Sectors Size Id Type
> > /dev/sda1 * 2048 80383999 80381952 38.3G 83 Linux
> > /dev/sda2 80386046 83884031 3497986 1.7G 5 Extended
> > /dev/sda5 80386048 83884031 3497984 1.7G 82 Linux swap / Solaris
> >
> > root@debian:/home/gokan#
> > root@debian:/home/gokan# df -Th
> > Filesystem Type Size Used Avail Use% Mounted on
> > /dev/sda1 ext4 38G 908M 35G 3% /
> > udev devtmpfs 10M 0 10M 0% /dev
> > tmpfs tmpfs 201M 4.4M 196M 3% /run
> > tmpfs tmpfs 501M 0 501M 0% /dev/shm
> > tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock
> > tmpfs tmpfs 501M 0 501M 0% /sys/fs/cgroup
> >
> > How can I grow this disc?
>
> Hi,
>
> after enlarging disk or logical volume (in case of LVM), you have to
> enlarge file system.
Exactly. The disk is bigger now, but you have to do something with
this extra space.
(1) You could make an extra partition (that would go after sda5,
that is your swap space) and put a file system on it, then
e.g. mount it
(2) you could try to add your new space to your existing swap
partition. Just disable swap (swapoff), enlarge sda5 (fdisk),
make new swap (mkswap), re-enable swap (swapon).
(3) you could try to add your new space to your existing root
partition (sda1). Problem is, the swap is on the way. So
first disable swap, remove swap partition (as in (2)), delete
swap partition (fdisk), enlarge sda1 (still fdisk), re-create
swap at the end (still fdisk). When finished, and all is
well, then you can resize your file system (resize2fs). Note
that root can't be mounted read/write for that.
(4-n) you could use LVM...
I guess you want (3).
Regards
- -- t
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