[CentOS] getting a CentOS6 VM on VMware ESXi platform to recognize a new disk device

[Boris Epstein]

On Fri, Nov 6, 2015 at 9:56 AM, Boris Epstein <borepstein at gmail.com> wrote:

>
>
> On Thu, Nov 5, 2015 at 8:23 AM, Tris Hoar <trishoar at bgfl.org> wrote:
>
>> On 04/11/2015 20:59, John R Pierce wrote:
>>
>>> On 11/4/2015 12:52 PM, Boris Epstein wrote:
>>>
>>>> I don't get this for some reason... not even sure why. ESXi's default
>>>> behaviour seems to be to allow hotplug, that does not seem to be
>>>> deactivated. I am just not sure. Wonder if this could be the Centos 7
>>>> vs 6
>>>> - perhaps that is what I ought to test for.
>>>>
>>>
>>> what virtual SCSI controller type are you using for these VM's? Mine are
>>> 'paravirtual'.
>>>
>>>
>> Also, what guest OS and VM hardware version is the guest running as?
>>
>> Tris
>>
>>
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>
> Tris, John,
>
> Thanks!
>
> I blew away the original VM I was using for testing as it came time to do
> the things for real in production - and, as much as I hated it, I just
> added the disk and rebooted the production machine to make it "see" that
> disk.
>
> However, I have then decided to investigate the matter further. So I
> created a new one. It is  running on an ESXi 5.5 server, VM Version 10,
> VMware Paravirtual SCSI controller, configured for RedHat 6/64-bit OS,
> running Centos 6/64 bit. And it worked perfectly when it came to "seeing" a
> hotplugged disk drive.
>
> So I am not sure what to make of all of it - but it looks like freshly
> created VM's are OK and it was indeed something to do with the VM settings.
>
> Cheers,
>
> Boris.
>
>
Hello all,

OK, looks like I have figured it out. It seems to be a matter of the SCSI
bus emulation: things work fine with the Paravirtual but do not with the
LSI Parallel.

Good to know:)

Thanks for all your help, everybody.

Cheers,

Boris.