Date: Sun, 13 Jun 2010 16:09:28 +0200 From: "Ronald Klop" <ronald-freebsd8@klop.yi.org> To: freebsd-stable@freebsd.org, "Stephane Dupille" <stephane@dupille.org> Subject: Re: Resizing GPT partitions Message-ID: <op.vd8r92cb8527sy@pinky> In-Reply-To: <ygezkz5laoh.fsf@nospam.fr.eu.org> References: <ygezkz5laoh.fsf@nospam.fr.eu.org>
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On Tue, 08 Jun 2010 18:58:50 +0200, Stephane Dupille
<stephane@dupille.org> wrote:
> Hello,
>
> I installed a FreeBSD 8.0-RELEASE into a virtual machine (with virtual
> box), using a GTP partitioning scheme, and zfs. The virtual disk disk
> is 10 Go.
>
> I dumped this disk image to a real machine, which has a 160 Go disk.
> The system works fine, but I can only use 10 Go of disk space. How can
> I gain more space ?
>
> How can I enlarge the last partition of the disk to use the whole disk ?
>
> I tried to create a new partition on the disk, and planned to add it
> in the zfs pool, but that didn't work :
> # gpart add -t freebsd-zfs -l disk0f ad0
> gpart: autofill: No space left on device
>
> That's odd, because it seems that gpart is aware of the new geometry.
>
> What's the problem ?
>
>
> Some info :
>
> # gpart list
> Geom name: ad0
> fwheads: 16
> fwsectors: 63
> last: 20971486
^^^^^^^^^^^^^^
> first: 34
^^^^^^^^^
> entries: 128
> scheme: GPT
> Providers:
> 1. Name: ad0p1
> Mediasize: 65536 (64K)
> Sectorsize: 512
> Mode: r0w0e0
> rawtype: 83bd6b9d-7f41-11dc-be0b-001560b84f0f
> label: (null)
> length: 65536
> offset: 17408
> type: freebsd-boot
> index: 1
> end: 161
> start: 34
> 2. Name: ad0p2
> Mediasize: 4294967296 (4.0G)
> Sectorsize: 512
> Mode: r1w1e1
> rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
> label: swap0
> length: 4294967296
> offset: 82944
> type: freebsd-swap
> index: 2
> end: 8388769
> start: 162
> 3. Name: ad0p3
> Mediasize: 6442351104 (6.0G)
> Sectorsize: 512
> Mode: r1w1e2
> rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
> label: disk0
> length: 6442351104
> offset: 4295050240
> type: freebsd-zfs
> index: 3
> end: 20971486
^^^^^^^^^^^^^
> start: 8388770
> Consumers:
> 1. Name: ad0
> Mediasize: 160041885696 (149G)
> Sectorsize: 512
>
>
> # fdisk ad0
> ******* Working on device /dev/ad0 *******
> parameters extracted from in-core disklabel are:
> cylinders=310101 heads=16 sectors/track=63 (1008 blks/cyl)
>
> Figures below won't work with BIOS for partitions not in cyl 1
> parameters to be used for BIOS calculations are:
> cylinders=310101 heads=16 sectors/track=63 (1008 blks/cyl)
>
> Media sector size is 512
> Warning: BIOS sector numbering starts with sector 1
> Information from DOS bootblock is:
> The data for partition 1 is:
> sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
> start 20971487, size 291610321 (142387 Meg), flag 80 (active)
> beg: cyl 1023/ head 255/ sector 63;
> end: cyl 1023/ head 80/ sector 63
> The data for partition 2 is:
> sysid 0 (0000),(unused)
> start 162, size 8388608 (4096 Meg), flag 0
> beg: cyl 0/ head 2/ sector 37;
> end: cyl 522/ head 45/ sector 5
> The data for partition 3 is:
> sysid 0 (0000),(unused)
> start 8388770, size 12582717 (6143 Meg), flag 0
> beg: cyl 522/ head 45/ sector 6;
> end: cyl 1023/ head 105/ sector 47
> The data for partition 4 is:
> <UNUSED>
As far as I see in you 'gpart list' gpart doesn't see the new geometry.
See the ^^^^^^ lines above.
Ronald.
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