SG package and mulitple lan cards

[Co van Berkel]

Hi,
We have a two node, rp4440 servers, MC/SG cluster and use SG A.11.16 and HP-UX 11.11 (11i v1). We use legato (networker) on a windows server to backup our unix data over the network.

On either server there is:
- 1 x 10/100/1000BT lan-card - lan-0 – Configured as heart-beat
- 1 x dual 10/100 BT lan-card - lan-1 – Configured as Primary lan-card
- lan-2 – NOT CONFIGURED
- 1 x dual 10/100 BT lan-card - lan-3 – Configured as Standby lan-card
- lan-4 – NOT CONFIGURED

Because of backup time issues I want to know of it is possible to configure lan-2 and lan-4 as a second primary lan-card (lan-4) and a second Standby lan-card (LAN-2) and how to do this.

Also I want to know if we add 10/100/1000BT lan-cards to these servers how do I configure this in my MS/SG cluster and Legato?

Regards,
Co va

[melvyn burnard]

Quite simple.
Ensure lan4 is configured with the appropriate ip and subnet (different to the exisiting ones), and that they can linkloop each other.
Then ensure that the lan2 ports can linkloop each other AND each of the lan4 ports. I.E. each of these cards must be able to linkloop out and contact the other three ports.
Then do a cmquerycl -v -C test.ascii -n -n and then review the resultant ascii file to check that it could add in the lan4 cards AND that the comments say that lan2 can be used as a standby.
You then integrate the additional lan infornmation into your exisiting ascii file, or edit the test.ascii to match the current configuration, and then apply the new configuration.
Please remember that to add in a new network you must first halt the cluster

[Thayanidhi · Accepted solution]

If you want unused network cards to combined to the current primary/standby (in same IP) then I think APA (Auto port aggregation) is the way. You have to reconfigure the cluster (requires outage)

Regds
TT

[Co van Berkel]

Hi,
Is it possible to install a 10/100/1000BT ethernet card and to use this as a Primary lan and than use a 10/100Bt lan as a Standby card. Mixing speed between pri- and standby- lan cards?

Regards,
CvB

[Co van Berkel]

Hi,

Do you need special lan-cards to use APA or are there no special requirements?

Regards,
CvB

[Co van Berkel]

Hi,

Is it possible to mix Fibber (1000Mbit) and Kopper (100Mbit) between Primary- and Standby- lan cards?

Regards,
CvB

[Thayanidhi]

You can have diffrent cards (speed or type)for Primary and standby. There is no problem.
But, you should make sure both primary and standby connected to same lan (usually to a redandent network switch). I have mixed fibre and copper for primary/standby in MC/SG.

APA is required only if you want combine multiple physical adaptors in to a single logical adaptor.

Regds
TT

[Steven E. Protter]

You can mix cards.

Having the level of variety you propose does pose testing difficulties. You will need to run a number of failure scenarios to make sure your SG cluster fails over all packages correctly.

SEP

[melvyn burnard]

As long as the topology/protocol is the same then you can mix cards and speeds.
You cannot, for example, have an Ether card and a Token Ring, or a TR and an FDDI card.
The only caveat is that using a card that is slower as a standby could give you performance issues when th eprimary fails.

[Co van Berkel]

Hi,

So, when can do two things:
1. Buy APA and create a trunk group of all four lan-cards.

2. Buy a 1Gbit fibber lan-card per server, install and configure this new card as the primary lan card and configure at least one 100BT lan card as standby lan.

If we want to add a 1Gbit fibber lan card to a rp4440 server does this meen that we have to go power down?

Is this right?

Regards,
CvB

[Devender Khatana]

I would suggest two trunks to be created between two dual port cards having take one port from each card. Also there will be some requirements at switch level when you configure APA. Adding a card to rp4440 shall require a power down ( Not sure). But still you will require to shutdown packages and halt cluster for making these changes.

At my site we have four lan card at each node in our cluster and have APA in load balancing mode across two each to get two logical adapters. Then one of these two is used as primary and other as secondry in MCSG. So first level network protection and prformance boost is through APA and second level protection is through MCSG.


HTH,
Devender

[Co van Berkel]

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