On Fri, Jun 26, 2020 at 05:53:24PM +0000, Rupert Gallagher wrote:
> Ref. disklabel(8)
> > The maximum disk and partition size is 64PB.
>
> Is that so? Let see...
>
> OpenBSD 6.7 (GENERIC.MP) #2: Thu Jun 4 09:55:08 MDT 2020
>
> $> doas dmesg | grep sd3
> sd3 at scsibus2 targ 2 lun 0: <ATA, ST5000LM000-2AN1, 0001>
> naa.5000c500c3ad5c90
> sd3: 4769307MB, 512 bytes/sector, 9767541168 sectors
>
> $> doas disklabel -p t sd3
> # /dev/rsd3c:
> type: SCSI
> disk: SCSI disk
> label: ST5000LM000-2AN1
> duid: [omitted]
> flags:
> bytes/sector: 512
> sectors/track: 255
> tracks/cylinder: 511
> sectors/cylinder: 130305
> cylinders: 74959
> total sectors: 9767541168 # total bytes: 4.5T
> boundstart: 256
> boundend: 4294852800
Here's our problem. Use the b command to exend the OpenBSD to the
whole disk.
-Otto
> drivedata: 0
>
> 16 partitions:
> # size offset fstype [fsize bsize cpg]
> c: 4.5T 0 unused
>
> $> doas disklabel -E sd3
> sd3> p t
> OpenBSD area: 256-4294852800; size: 2.0T; free: 2.0T
> ..............................^^^^^^^^^^^^^^^^^^^^^^ :(
> # size offset fstype [fsize bsize cpg]
> c: 4.5T 0 unused
>
> $> echo "/ 4T" >label
>
> $> doas disklabel -w -A -T label sd3
> disklabel: autoalloc failed
>
> :(
>
> $> doas disklabel -E sd3
> Label editor (enter '?' for help at any prompt)
> sd3> p t
> OpenBSD area: 256-4294852800; size: 2.0T; free: 2.0T
> # size offset fstype [fsize bsize cpg]
> c: 4.5T 0 unused
> sd3> a
> partition: [a]
> offset: [256]
> size: [4294852544]
> FS type: [4.2BSD]
> sd3*> p t
> OpenBSD area: 256-4294852800; size: 2.0T; free: 0.0T
> # size offset fstype [fsize bsize cpg]
> a: 2.0T 256 4.2BSD 8192 65536 1
> c: 4.5T 0 unused
> sd3*>
>
> :(
>
