Thanks. The storage isn't an issue as I can't see it going beyond 5TB. It
might not be much data but it's very high financial value and mission
critical. As for not using the enterprise SANs they are DS8886's but in a
different data centre so not accessible.I was just using my experience with
those SANs connected to mainframes to see if any experience could
be useful. The data centres where the Power servers will be have HPE 3PAR
SANs but HPE has told me that IBMi is not supported.

On Fri, Dec 13, 2019 at 2:28 AM Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx>
wrote:

What's the question?

Looks fine to me but with both encryption and replication, you better be
in a 5030 or you'll run out of memory/CPU on the SANs. Do a study to be
sure your volume will fit the V5000 box, but another question comes to
mind. If you've got enterprise level SANs already, why are you buying two
additional SANs? 5TB on one of those is not even a sliver of the
capacity.

Jim Oberholtzer
Agile Technology Architects



On Dec 11, 2019, at 3:33 PM, Laurence Chiu <lchiu7@xxxxxxxxx> wrote:

Looking to deploy new Power servers across two data centers to support
application that is low volume but mission critical and high financial
value.

I am using the following design guidelines.

1. Both servers use SAN no disks. Total 5TB max
2. Data is encrypted at rest
3. Data is replicated in real time across the two sites
4. Backup to VTL
5. Off-site backups to LTO tape

So the kit would be

1. Two Power 9 servers 16GB FC
2. HMC
3. IBM Storwize V5000 using its encryption and mirroring software
5. DSI IDSI520-D04 VTL
6. LTO7

This is for an Enterprise that already has mainframes and DS8K SANs with
SKLM supporting encryption so it's not over cooking it

Thanks




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