Re: Sun Servers
- From: Rayson Ho <raysonlogin@xxxxxxxxx>
- To: dedba@xxxxxxxxxx
- Date: Wed, 9 Jul 2014 12:35:40 -0400
Solaris Zones are like LXCs on Linux, and WPARs on AIX - with those OS
virtualization techniques, you still run one OS kernel on each box.
LPARs are like XEN VMs on x86, and on SPARC T-series the equivalent is
Logical Domain, and on the higher end SPARC models, the mechanism is
Dynamic Domains.
Rayson
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On Wed, Jul 9, 2014 at 3:40 AM, De DBA <dedba@xxxxxxxxxx> wrote:
> Containers, zones and partitioning are used interchangeably but do not
> necessarily refer to the same thing. I think it is important to realise
> that machine partitioning into separate domains is (on Sun boxes) done at
> the OpenBoot level, not in the OS. The Solaris zones (in Solaris11) are
> merely logically separated process spaces. This can be seen in the root
> zone, where all running processes including those in zones are listed by
> tools such as ps(1). I believe that Solaris Zones are comparable to AIX
> LPARs, at least in this respect. In OEL you could use the OVM/Xen kernel
> for this purpose.
>
> As far as I am aware (correct me if I'm wrong) when the machine is
> partitioned, resources such as CPU and memory cannot be shared between
> domains. When using logical partitions, a.k.a. zones, the OS resources can
> be pooled and shared between zones.
>
> The ability to partition a machine may be an advantage, depending on your
> intended use. I've never seen it implemented.
>
> Hth,
> Tony
>
>
> On 09/07/14 15:22, Ronan Merrick wrote:
>
> Thanks Mark.
>
> That sounds pretty cool.
>
> One of the big selling points I got from Oracle was the ability to
> partition machines.
>
> Ronan
> On 9 Jul 2014 00:07, "Mark Burgess" <mark@xxxxxxxxxxxxxxxxxxxxxxxxx>
> wrote:
>
>>
>> Ronan,
>>
>> we have deployed a couple of X4-2L for a customer - environment is
>> 11.2.0.4 on Solaris 11.1 x86_64. I have been very impressed with what the
>> Solaris 11.1/Zones/ZFS combination provides. We have the database servers
>> on the X4-2L mounting a ZFS storage server over dNFS via a 10G and 1G
>> combiation. The X4-2L have been provisioned with 4xF80 flash cards in them
>> as well that have allowed us to allocate specific flash devices to
>> different zones as required. It is a very powerful and flexible platform to
>> deploy databases and application servers on.
>>
>> Regards,
>>
>> Mark
>>
>>
>> On 9 Jul 2014, at 8:19 am, Ronan Merrick <merrickronan1@xxxxxxxxx>
>> wrote:
>>
>> Thanks for replying Jack.
>>
>> Pretty much the same move I am looking at - Dell/Red Hat to Sun/OEL.
>>
>> They will be standalone servers though not ODA's.
>>
>> Ronan
>> On 8 Jul 2014 23:11, "Jack Applewhite" <jack.applewhite@xxxxxxxxxxxxx>
>> wrote:
>>
>>> We've moved all our 20+ databases from RedHat Linux Dell servers to
>>> two new X4-2 ODAs - Oracle Linux on Sun servers. We're happy so far. The
>>> ODA environment is a lot more restrictive than just a standalone server.
>>> However, it is simpler.
>>> ----
>>> Jack C. Applewhite - Database Administrator
>>> Austin I.S.D. - MIS Department
>>> 512.414.9250 (wk)
>>> ------------------------------
>>> *From:* oracle-l-bounce@xxxxxxxxxxxxx <oracle-l-bounce@xxxxxxxxxxxxx>
>>> on behalf of Ronan Merrick <merrickronan1@xxxxxxxxx>
>>> *Sent:* Tuesday, July 8, 2014 4:19 PM
>>> *To:* Andrew Kerber
>>> *Cc:* Matthew Zito; oracle-l
>>> *Subject:* Re: Sun Servers
>>>
>>> Thanks Andrew.
>>>
>>> I'll keep that in mind.
>>>
>>> Factory install of Oracle Linux is an option. I did all my OCP
>>> practicing and testing on Oracle Linux and I liked it.
>>>
>>> Ronan
>>>
>>>
>>> On Tue, Jul 8, 2014 at 10:15 PM, Andrew Kerber <andrew.kerber@xxxxxxxxx>
>>> wrote:
>>>
>>>> Ok, then I have no opinion on that particular line. My irritations
>>>> stem from the Sun OS.
>>>>
>>>>
>>>> On Tue, Jul 8, 2014 at 4:08 PM, Matthew Zito <matt@xxxxxxxxxxxxxxxxx>
>>>> wrote:
>>>>
>>>>> Note that the X4-2 server *is* an Intel server, it's not one of the
>>>>> SPARC line of processors.
>>>>>
>>>>>
>>>>> On Tue, Jul 8, 2014 at 5:04 PM, Andrew Kerber <andrew.kerber@xxxxxxxxx
>>>>> > wrote:
>>>>>
>>>>>> I am really not fond of Sun servers. In my experience they are less
>>>>>> powerful then similarly priced intel servers, plus they have their own
>>>>>> set
>>>>>> of foibles that are irritating.
>>>>>>
>>>>>>
>>>>
>>>>
>>>> --
>>>> Andrew W. Kerber
>>>>
>>>> 'If at first you dont succeed, dont take up skydiving.'
>>>>
>>>
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>>
>
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