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Date:      Tue, 18 Dec 2012 07:27:24 -0800
From:      Devin Teske <devin.teske@fisglobal.com>
To:        Luke Bakken <luke@bowbak.org>
Cc:        Devin Teske <dteske@freebsd.org>, freebsd-questions@freebsd.org
Subject:   Re: FreeBSD as VMWare guest / disk resizing
Message-ID:  <2C81BCF0-1B29-41BD-B03D-35A35A01617A@fisglobal.com>
In-Reply-To: <CAKZjE32SMCgCa7NYqtgmSTntDMfwds2XccdQUz_SmXhJL9Zbsw@mail.gmail.com>
References:  <CAKZjE30RSfLneqVEP1qpQNvQu-=J8ky4ipM9Bh7US5QPOz22UA@mail.gmail.com> <3EB59092-BFE2-4C5F-85A2-E225FBC3F5D9@fisglobal.com> <CAKZjE32SMCgCa7NYqtgmSTntDMfwds2XccdQUz_SmXhJL9Zbsw@mail.gmail.com>

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On Dec 18, 2012, at 6:35 AM, Luke Bakken wrote:

>> You'll of course need to boot from another medium to do this.
>>=20
>=20
> That's my main question - can a larger disk be detected *without* a
> reboot. On FreeBSD instances running within VMWare I have been able to
> add new disks without a reboot but, as I described below, have not
> found a way to get the operating system to detect a larger *existing*
> disk without a reboot. VMWare allows you to resize a disk on the fly.
> Obviously I'm only interested in the "grow the disk" scenario :-)
>=20
> I'm beginning to think a reboot is necessary, which is surprising!

Live resize (without reboot even) is something being worked on for the futu=
re 10.x series.
--=20
Devin


>=20
>> On Dec 17, 2012, at 4:15 PM, Luke Bakken wrote:
>>=20
>> Hello everyone -
>>=20
>> I'm looking for a way to get FreeBSD 8 / 9 to detect that an already
>> existing disk has grown. I have FreeBSD running as a guest within
>> vSphere ESX 5. Here is the output of camcontrol showing how the disks
>> are detected within the OS:
>>=20
>> [root@QA1HWFBSD83201 ~]# camcontrol inquiry da0
>> pass0: <VMware Virtual disk 1.0> Fixed Direct Access SCSI-2 device
>> pass0: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Command
>> Queueing Enabled
>>=20
>> In the VM settings I can increase the disk size but I can't seem to
>> find the right command within FreeBSD to force it to detect the new,
>> larger size without a reboot. 'camcontrol rescan all' works great to
>> detect a new drive but doesn't detect a larger disk. Within a Linux
>> distribution like Debian, the following command will detect the larger
>> drive:
>>=20
>> echo 1 > /sys/class/scsi_device/0:0:0:0/device/rescan
>>=20
>> I apologize if this has been answered in the archives or online but I
>> just haven't been able to get a definitive answer if this is possible,
>> and how.
>>=20
>> Thanks so much in advance,
>> Luke
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>>=20
>>=20
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The information contained in this message is proprietary and/or confidentia=
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