Re: compelling arguments for a ThirdParty Cluster

For Solaris here:

• metalink 283107.1 <https://metalink.oracle.com/metalink/plsql/f?p=130:14:370578799665160649::::p14_database_id,p14_docid,p14_show_header,p14_show_help,p14_black_frame,p14_font:NOT,283107.1,1,1,1,helvetica>: Configuring Solaris IP Multipathing (IPMP) for the Oracle 10g VIP
• metalink 368464.1 <https://metalink.oracle.com/metalink/plsql/showdoc?db=NOT&id=368464.1&blackframe=1>: How to Setup IPMP as Cluster Interconnect

hrishy schrieb:
> Hi
>
> Thanks for the replies.
> I have the FUD factor (as i only have a single RAC
> implementation exp with just maintainence and
> installation) for interviews thats why i am posing so
> many questions.
>
> Please where can i find information about interconnect
> bonding and teaming
>
> regards
> Hrishy
>
> --- LS Cheng <exriscer_at_gmail.com> wrote:
>
>
>> simple words
>>
>> if Oracle Clusterware fencing is not reliable we
>> would have seen already
>> data corruptions issues
>>
>> plus, RAC internally has algorithm to avoid data
>> corruptions when cache
>> fusion communications suffers problems
>>
>> interconnect is not SPOF if you protect it with
>> bonding or teaming
>>
>> I am not sure what is your point about LUNs but I
>> have been in many sites
>> and asking for 5 1GB LUNs does not seem problem at
>> all
>>
>>
>> Thanks
>>
>> --
>> LSC
>>
>>
>> On Jan 17, 2008 3:14 PM, hrishy
>> <hrishys_at_yahoo.co.uk> wrote:
>>
>>
>>> Hi
>>>
>>> I am looking it from a prespective off SLA's
>>> for ex the document mentions
>>>
>>> a)Establishing dependencies between clusterware
>>> storage and RAC databases to ensure that the
>>>
>> shutdown
>>
>>> in the correct sequence.The sun clusterware allows
>>>
>> the
>>
>>> oracle clusterware to be stopped before the
>>> filesystems are stopped.
>>>
>>> b)It also suggests that there is a scope for
>>>
>> oracle
>>
>>> clusterware to evict a node and yet not reboot it
>>> immedaitely .The remaning nodes start recovering
>>>
>> the
>>
>>> transactions however the evicted continues to
>>>
>> write to
>>
>>> the datafiles during the period of eviction to the
>>> point where it falls down to the boot prompt it
>>>
>> will
>>
>>> lead to corruption
>>>
>>> There are some other points
>>> Like
>>> a)interconnect connect being single point of
>>>
>> failure
>>
>>> b)How to provision voting disks and OCR should i
>>>
>> ask
>>
>>> the storage admins to carve out 5 1GB LUNS so i
>>>
>> can
>>
>>> mirror them ?
>>> c)Would the storage admin object if i ask 5 1GB
>>>
>> luns
>>
>>> to be carved out for me as mostly they allocate
>>>
>> LUNS
>>
>>> of 64 GB 100Gb etc
>>>
>>> regards
>>> Hrishy
>>>
>>>
>>>
>>>
>>>
>>>
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>
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>>>
>>>
>>>
>>>
>
>
>
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