Re: oracle on EC2

From: Seth Miller <sethmiller.sm_at_gmail.com>
Date: Mon, 11 Jan 2016 13:15:16 -0600
Message-ID: <CAEueRAU3wSOYRSt9Sw_50b74RCZJPpSCpnfaV0Vx+O285coCrA_at_mail.gmail.com>



Neither of these links reference licensing.

Seth Miller

On Mon, Jan 11, 2016 at 12:55 PM, Jeremiah Cetlin Wilton < jcwilton93_at_earlham.edu> wrote:

> Not really. There's also a doc for that :-)
>
> https://support.oracle.com/epmos/faces/DocumentDisplay?id=1901155.1
>
> I talk about it a little bit here:
>
> http://aws.amazon.com/articles/7455908317389540#FAQ1
>
> Jeremiah
>
> ------------------------------
> *From: *"Seth Miller" <sethmiller.sm_at_gmail.com>
> *To: *"Jeremiah Cetlin Wilton" <jcwilton93_at_earlham.edu>
> *Cc: *"max scalf" <oracle.blog3_at_gmail.com>, "Oracle Mailing List" <
> oracle-l_at_freelists.org>, "Maris Elsins" <elmaris_at_gmail.com>
> *Sent: *Monday, January 11, 2016 10:50:36 AM
>
> *Subject: *Re: oracle on EC2
>
> Does this mean that you have to make sure you are running EC2 instances in
> an Oracle VM hypervisor?
>
> Seth Miller
>
> On Mon, Jan 11, 2016 at 12:27 PM, Jeremiah Cetlin Wilton <
> jcwilton93_at_earlham.edu> wrote:
>
>> There's a doc for that:
>>
>> http://www.oracle.com/us/corporate/pricing/cloud-licensing-070579.pdf
>>
>> Jeremiah
>>
>> ------------------------------
>> *From: *"Seth Miller" <sethmiller.sm_at_gmail.com>
>> *To: *elmaris_at_gmail.com
>> *Cc: *"max scalf" <oracle.blog3_at_gmail.com>, "Oracle Mailing List" <
>> oracle-l_at_freelists.org>
>> *Sent: *Monday, January 11, 2016 10:20:28 AM
>> *Subject: *Re: oracle on EC2
>>
>> Maris,
>>
>> How are you licensing these databases?
>>
>> Seth Miller
>>
>> On Mon, Jan 11, 2016 at 9:29 AM, Maris Elsins <elmaris_at_gmail.com> wrote:
>>
>>> Hi,
>>>
>>> We're running a configuration that addresses some of your IOPS concerns
>>> and it's basically one of the architectures from this whitepaper
>>> https://d0.awsstatic.com/whitepapers/aws-advanced-architectures-for-oracle-db-on-ec2.pdf
>>>
>>> - We have created our EC2 for Oracle DBs using Oracle Linux 6
>>> (requirement for Oracle Smart Flash Cache)
>>> - We've set up ASM on multiple provisioned IOPS EBS volumes (SSD) for
>>> striping
>>> - We've enabled Oracle Smart Flash Cache on part of the ephemeral
>>> instance store SSD (it doesn't have even the tiny network latency that EBS
>>> volumes have, as they are local). And based on the AWR reports we see this
>>> works very well. And in fact with larger EC2 instances one gets plenty of
>>> instance store SSDs that otherwise are of no big use.)
>>> - We don't rely on EBS volumes' snapshots for backups, as we have a
>>> DataGuard set up and when needed we stop the recovery there and take
>>> snapshots from it (for cloning purposes usually). I'd think this would also
>>> work with "ALTER DATABASE BEGIN/END BACKUP" + simultaneous snapshot of all
>>> striped EBS volumes too.
>>> - We take regular RMAN backups for point in time recovery requirements.
>>>
>>> May be this is not exactly what you were looking for as you provided a
>>> link related to RAID configurations, but probably you can still extract
>>> something useful from what I wrote.
>>>
>>> regards,
>>>
>>> ---
>>> Maris Elsins
>>> _at_MarisElsins <https://twitter.com/MarisElsins>
>>> www.facebook.com/maris.elsins
>>>
>>>
>>>
>>> On Mon, Jan 11, 2016 at 4:44 PM, max scalf <oracle.blog3_at_gmail.com>
>>> wrote:
>>>
>>>> Hello all,
>>>>
>>>> This question is related to running oracle database on Amazon Web
>>>> Service. Just so i respect everyone's time on here, I would say please
>>>> ignore this question if you do not work with AWS.
>>>>
>>>> We are running oracle some 11g and 12c database on AWS EC2 server.
>>>> Most of the server have anywhere from 2 -8 EBS Volume attached(general
>>>> purpose SSD), they are NOT striped or mirrored. Lately we have been seeing
>>>> some performance issue(year end closing) with high IO wait time(60-80 ms
>>>> per read), for some mission critical application we have moved the EBS
>>>> volumes from general purpose SSD to Provisioned IOPS(PIOPS) and everything
>>>> seems happy. But now we are coming back to some of the other application
>>>> and our sysadmin says instead of moving everything from general purpose
>>>> volumes to PIOPS we should just strip the volumes to get better
>>>> performance.
>>>>
>>>> I agree with him, but my question if we were to strip the EBS volumes
>>>> how do we deal with taking EBS Snapshot and managing them. We rely on them
>>>> for our DR in another region. From what i understand about taking snapshot
>>>> when your EBS volumes are stripped is that you have to freeze the IO before
>>>> you do the snapshot to guarantee EBS snapshot consistency, see below link..
>>>>
>>>>
>>>> https://aws.amazon.com/premiumsupport/knowledge-center/snapshot-ebs-raid-array/
>>>>
>>>> So i wanted to see what others are doing in the community
>>>> to achieve higher IOPS and i am sure quite a few ppl are running oracle on
>>>> AWS and also I wanted to find out when they say "Freeze IO", I am assuming
>>>> putting database in HOT BACKUP mode is the wrong thing.
>>>>
>>>>
>>>
>>
>>
>
>

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Received on Mon Jan 11 2016 - 20:15:16 CET

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