Hi Del,

I've been testing the script switching technique for the last week on our
non prod system (TSM2) and it seems to be working well.
Set REPLSERVer tsm1
UPDate STGpool DIR_POOL_TSM2 PROTECTstgpool=DIR_POOL_TSM1
protect stgpool DIR_POOL_TSM2 maxsessions=2 wait=yes
replicate node DATAMOVER2 maxsessions=2 wait=yes

Set REPLSERVer tsm3
UPDate STGpool DIR_POOL_TSM2 PROTECTstgpool=DIR_POOL_TSM3
protect stgpool DIR_POOL_TSM2 maxsessions=2 wait=yes
replicate node DATAMOVER2 maxsessions=2 wait=yes

Are there any technical reasons behind "IBM does not recommend the
switching technique" statement?

Another thought came to my mind - circular replication -
TSM1->TSM2->TSM3->TSM1 - I know this will double replication traffic over
the WAN but will it be supported by IBM?

Thanks,
Mike G

On Fri, Jul 21, 2017 at 11:15 AM, Del Hoobler <hoobler AT us.ibm DOT com> wrote:

> Hi Mikhail,
>
> IBM does not recommend the switching technique below.
>
> A few other ideas for creating a tertiary copy...
>    - use disk-based replication (it's not integrated into Protect
> replication... but could be done) and create a "consistency group" that
> covers the the database DB (db, instance dir, other related parts) and the
> storage pool
>    - HADR (Example:
> https://www.ibm.com/developerworks/community/blogs/storageneers/entry/
> tsmptha?lang=en
> )
>
> Check Youtube... there are a few presentations out there that talk about
> it as well.
>
>
> Del
>
> ----------------------------------------------------
>
>
> "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 07/21/2017
> 10:41:51 AM:
>
> > From: "Golbin, Mikhail" <mikhail.golbin AT ROCHE DOT COM>
> > To: ADSM-L AT VM.MARIST DOT EDU
> > Date: 07/21/2017 10:42 AM
> > Subject: Re: One to many replication in Spectrum Protect 8.1
> > Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> >
> > Will switching replication server as part of the maintenance script
> work?
> > Something along these lines:
> > Set REPLSERVer tsm2
> > UPDate STGpool DIR_POOL_TSM1 PROTECTstgpool=DIR_POOL_TSM2
> > protect stgpool DIR_POOL_TSM1 maxsessions=2 wait=yes
> > replicate node * maxsessions=2 wait=yes
> >
> > Set REPLSERVer tsm3
> > UPDate STGpool DIR_POOL_TSM1 PROTECTstgpool=DIR_POOL_TSM3
> > protect stgpool DIR_POOL_TSM1 maxsessions=2 wait=yes
> > replicate node * maxsessions=2 wait=yes
> >
> >
> >
> > On Thu, Jul 20, 2017 at 1:36 PM, Mikhail Golbin
> <mikhail.golbin AT roche DOT com>
> > wrote:
> >
> > > Hi Del,
> > >
> > > We are all disk, no tape, so that is not an option.
> > > Any possible workarounds?
> > >
> > > Thanks,
> > > Mike G
> > >
> > > On Thu, Jul 20, 2017 at 12:48 PM, Del Hoobler <hoobler AT us.ibm DOT com>
> wrote:
> > >
> > >> Hi Mikhail,
> > >>
> > >> One-to-many node replication is not currently supported. It is a
> known
> > >> requirement.
> > >>
> > >> One way to create two copies of your backup data stored in
> > >> directory-container storage pools is to use PROTECT STGPOOL to a
> second
> > >> Spectrum Protect server and a PROTECT STGPOOL to tape.
> > >>
> > >> Del
> > >>
> > >> ----------------------------------------------------
> > >>
> > >>
> > >> "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 
> > >> 07/20/2017
> > >> 11:07:28 AM:
> > >>
> > >> > From: "Golbin, Mikhail" <mikhail.golbin AT ROCHE DOT COM>
> > >> > To: ADSM-L AT VM.MARIST DOT EDU
> > >> > Date: 07/20/2017 11:12 AM
> > >> > Subject: One to many replication in Spectrum Protect 8.1
> > >> > Sent by: "ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU>
> > >> >
> > >> > Hi guys,
> > >> >
> > >> > I was wondering if anyone tried to replicate to more than one
> server -
> > >> we
> > >> > would like to have one copy nearby and one offsite.
> > >> > I was reading IBM presentation from almost couple years ago
> discussing
> > >> node
> > >> > replication and directory pool replication in then brand new
> Spectrum
> > >> > Protect 7.1.3 -
> > >> >
> http://www.empalis.com/fileadmin/templates_empalis/PDFs/Events_2015/
> > >> >
> TSM_Symp_2015_Nachlese/02_TSM_Symp_2015_Nachlese_Node_Replication.pdf
> > >> >
> > >> > Towards the end of the presentation they talk about future
> direction and
> > >> on
> > >> > page 26 about one-to-many replication. We have the latest Spectrum
> > >> Protect
> > >> > 8.1 and I can't find a way to do it.
> > >> >
> > >> > All suggestions and workarounds are greatly appreciated!
> > >> >
> > >> > Thanks,
> > >> >
> > >> > --
> > >> > Mikhail Golbin
> > >> > bus (908)635-5705
> > >> > cell (908)210-3393
> > >> > RMD IT Client Services
> > >> >
> > >>
> > >
> > >
> > >
> > > --
> > > Mikhail Golbin
> > > bus (908)635-5705
> > > cell (908)210-3393
> > > RMD IT Client Services
> > >
> >
> >
> >
> > --
> > Mikhail Golbin
> > bus (908)635-5705
> > cell (908)210-3393
> > RMD IT Client Services
> >
>



--
Mikhail Golbin
bus (908)635-5705
cell (908)210-3393
RMD IT Client Services