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Date:      Wed, 21 Sep 2016 09:13:34 -0700
From:      Michael Sierchio <kudzu@tenebras.com>
To:        Julian Elischer <julian@freebsd.org>
Cc:        =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= <royger@freebsd.org>,  FreeBSD Lists <freebsd-xen@freebsd.org>, Colin Percival <cperciva@tarsnap.com>, Alexander Motin <mav@freebsd.org>
Subject:   Re: number of xen block devices
Message-ID:  <CAHu1Y70uCjZH92iMe4NVaK3q9%2BbSfFb0DpT%2B7OtBCNoXOY-Pag@mail.gmail.com>
In-Reply-To: <3132e8d0-68db-940f-5cb1-22fe01b52480@freebsd.org>
References:  <73fad119-03d8-a9ea-c222-f65b22c6feac@freebsd.org> <010001574a0207f9-d12e326c-e152-49f9-9763-2cf0161f7458-000000@email.amazonses.com> <3132e8d0-68db-940f-5cb1-22fe01b52480@freebsd.org>

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Also check if there is a resource limit imposed by AWS. If you are bumping
into that, a simple request can get the limit raised for a particular
availability zone.

On Sep 20, 2016 16:55, "Julian Elischer" <julian@freebsd.org> wrote:

> On 20/09/2016 4:50 PM, Colin Percival wrote:
>
>> On 09/20/16 16:33, Julian Elischer wrote:
>>
>>> Is there a maximum number of block devices supported for an AMI type
>>> installation?
>>>
>> Does "AMI type installation" mean EC2?
>>
> yes
>
>>
>> Our tests a while back showed a limit of 14.
>>>
>>> Has that changed in 10.3?
>>>
>>> If not is it an artificial limit we can get past by simply recompiling
>>> something?
>>>
>> There was a bug a while back which resulted in high-numbered xbd
>> devices not showing up; I fixed that three years ago in r255051,
>> shortly before stable/10 branched.
>>
> that may be what we were seeing.
> I'll know in a few days.
>
>
>>
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