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тАО09-07-2011 03:07 AM
тАО09-07-2011 03:07 AM
SAN replica
Dear All,
In SAN replica data will be replica at storage level from data center to disaster Recovery Center. But is there any impact at operating system level that is , if anything change at DC server OS , will it effect DR server OS ?
Pls help me about it.
Waiting for feedback .
Cheers//
Taifur
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тАО09-07-2011 05:22 AM
тАО09-07-2011 05:22 AM
Re: SAN replica
Hi:
If you are booting fro the SAN, and hence have your operating system on a SAN device, then replication will involve operating system data; otherwise not.
I presume that your setup replicates from your primary to your secondary site during normal times, but if/when you run from your secondary site, the direction of replication is reversed. This is the standard arrangement to preserve data continuity/
Regards!
...JRF...
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тАО09-07-2011 09:40 PM
тАО09-07-2011 09:40 PM
Re: SAN replica
Hi Freguson,
Thanks for your reply.
Could u pls clarify about SAN boot .
Pls help about this issue .
Cheers//
Taifur
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тАО09-08-2011 12:34 AM
тАО09-08-2011 12:34 AM
Re: SAN replica
Is it mendatory to use SAN boot ?
or storage replica is enough for data from Data center to Disater recovery site .
Pls suggest as we are going to deploy a storage real time replica in banking envoronment from DC to DR .
Rgds//
Taifur
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тАО09-08-2011 01:54 AM
тАО09-08-2011 01:54 AM
Re: SAN replica
>> Is it mendatory to use SAN boot ?
>> or storage replica is enough for data from Data center to Disater recovery site
It depends what aspect is your [Buisness Requirement] will you have very frequent changes updatesfrom OS side or Application ? I believe its Application side.
so its better in my opion to have Storage replica enough for data from Data center to Disater recovery site .
As per OS side (There are many ways) .. you can perform OS-backup from DC site & Restore your image to your DR site
by tape or Ignite Server to keep OS side to same level as in DC site & DR site.
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тАО09-08-2011 02:18 AM
тАО09-08-2011 02:18 AM
Re: SAN replica
Thanks for ur reply. I understood that storage replica is enough from DC to DR .
Could u pls let me know, mount point and installed software should be same in Data center server and DR server ?
Pls help about this issue.
Cheers//
Taifur
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тАО09-09-2011 12:46 AM
тАО09-09-2011 12:46 AM
Re: SAN replica
>> Could u pls let me know, mount point and installed software should be same in Data center server and DR server?
Of course. it should be the same. Than only replicated Data from Data Center to DR Site would be same level & It would serve => your purpose for replica.
Data Mount points need not to be mounted at all times @ DR Site , can be mounted or activated @ the time of DR-drill
At the time of DR-drill
1. Restore the OS from DC to DR site
2. Replicate your Data from DC to DR site
3. Activate you (Data VG's) & mount respective Data mount points