Date: Sun, 7 Jan 2018 18:58:49 +0100 From: Wolfram Schneider <wosch@freebsd.org> To: freebsd-current <freebsd-current@freebsd.org> Subject: partitioning schemes: GPT <-> MBR Message-ID: <CAMWY7CAjHyPfXEyYoQbYdAZf4bbG41MVxYgQ7ApCHcxh9QgeQg@mail.gmail.com>
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Hi guys,
I have 2 small virtual machines running in data center, on similar
hardware. Both are running FreeBSD 12-current. The first one is based
on a 10.3 image, upgraded to current. The second one is based on 11.1,
upgraded to current.
I notice a difference in disk partitioning. 10.3 is using GPT, and 11.1 MBR.
[FreeBSD 10.3]
$ gpart show
=> 34 83886013 vtbd0 GPT (40G)
34 1024 1 freebsd-boot (512K)
1058 2097152 2 freebsd-swap (1.0G)
2098210 81787836 3 freebsd-ufs (39G)
83886046 1 - free - (512B)
[FreeBSD 11.1]
$ gpart show
=> 63 83886017 vtbd0 MBR (40G)
63 1 - free - (512B)
64 79691776 1 freebsd [active] (38G)
79691840 4194240 - free - (2.0G)
I thought that MBR is outdated. But the hosting company told me that
FreeBSD 11.1 is using MBR by default. Is that correct?
My problem with the MBR machine is that I cannot add a swap device.
There are 2GB free space, and I want add a 1GB swap device:
$ gpart add -s 1G -t freebsd-swap vtbd0
gpart: Invalid argument
is this an MBR issue?
thanks, Wolfram
--
Wolfram Schneider <wosch@FreeBSD.org> https://wolfram.schneider.org
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