The first, most basic operation for which to use ipadm is the creation of a new ip interface. Thus, the global zones are connected in a lot of subnet but still have one default gateway. When configuring an ipmp group with virtual network devices, configure the group to use linkbased detection. Configuring ipmp in a logical domains environment oracle. It depends on a number of factors, including the network gear in use. It was difficult because you had to do everything yourself. However, recently we have observed a lot of nic failures on the servers. This box did not have any network configurations done at all. You need an existing datalink to create an interface on note i say datalink. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Recovering an ipmp configuration with dynamic reconfiguration. The major advantage is that you can use different ips in.
Probe based ipmp provides redundancy by sending probe icmp packets via test addresses to target systems on same subnet. How to configure solaris 10 probe based ipmp the geek diary. I started configuring every single file up to the ipmp configuration. Red hat enterprise linux to oracle solaris 11 comparison. Tweet if you are linux user like myself, and you give solaris a go you will probably be scratching your head how to find out which ips are assign to which interfaces. The failure detection and repair method used by the mpathd daemon differentiates the ipmp as probe based or link based. How to configure link based ipmp in solaris 11 the geek. You can also configure the failure detection seconds in etcdefaultmpathd file and the default value is 10 seconds. Here as you can see the standby nic only has ipmp group configuration. Configuring network interface in solaris 10 when i first got my hands on a solaris machine, i did not even know how to configure the ip address of the network device.
Solaris ipmp in a test subnet oracle juergen schleichs blog. Probe based ipmp utilize test address to monitor the health of interfaces. If a failure occurs in one network link and an alternate link is configured, ip address can fails over. Check the status of the the interfaces in the ipmp group. It provides a complete step to step procedure from scratch to the end. For this you will either assign test addresses to the adapters in the ipmp group like in solaris 10, or enable transitive probing, which doesnt require test addresses. If probe based failure detection is enabled for a specific group, the command also includes the failure detection time for that group. It is backwards compatible with sysv init scripts, and provides features, such as parallel startup of system services at boot time, ondemand activation of daemons, support for system state snapshots, or dependencybased service control logic. In an ipmp configuration, you set the ip addresses at the configuration file named after your network card. Probebased ipmp provides redundancy by sending probe icmp packets via test addresses to target systems on same subnet. Jun 26, 20 this article describes how to configure link based ipmp interfaces in solaris 10. It is an ideal way to consolidate multiple complete oracle solaris systems onto a modern. There are two types of ipmp, linkbased and probebased, and both can be set up as either activeactive or activestandby. I can not find name of my nic card and the ip address in solaris 10 i just intalled and do not want to reinstall it.
This article is aimed to give a walk through of how to create a ldom in sunsparc m632 machines. How to change and configure solaris 11 ip address azizs. Jun 27, 2015 ipadm create ipmp ipmp0 ipadm add ipmp i net0 i net1 ipmp0 ipmpstat a ipmpstat i. Solaris 10 supports solaris network multipathing via. While oracle has done well to update documentation surrounding their recent updates to the solaris 11 networking and virtualization stack, it will still come as a shock to many experienced solaris administrators that the old methods of configuring ipmp ip. This article describes how to configure link based ipmp interfaces in solaris 10. Hi, i am facing a problem with ipmp on solaris 10 machine, below are the interface configuration files and the ifconfig output after link failure on eg0 interface.
To configure link based ipmp, we do not required test address. It can be configured by adjusting the parameters in the etcdefaultmpathd file. Ip network multipathing linkbased without probebased failure detection posted on may 9, 2014 by luca merello ip network multipathing ipmp is a layer 3 technology that enables you to group multiple ip interfaces into a single logical interface called ipmp group. In this file there is an option called failback to. The primary administrator role includes the primary administrator profile.
When we try to pull both heartbeats of the system, one of the node become panic and reboot. Using probebased ipmp with nonglobal zones configuring a shared ip instance nonglobal zone and utilizing ipmp managed in the global zone is very easy. In solaris 11, you need to use ipadm command to configure the ipmp. One significant change is that ip interfaces are now grouped into a virtual ip interface, for example, ipmp0. Jan 03, 2007 this means that test subnet of solaris 9 and 10 systems will not become probe targets for each other. So, in case of an upgrade from solaris 8 to solaris 9 or higher you maybe need to change your configuration. How to manually specify target systems for probebased failure detection.
In the router target mode, the multipathing daemon probes targets that are defined in the routing table. In identifying targets for probebased failure detection, the in. One of the configuration files you insert two ip addresses and one of them will be the one that can be failover to the other card in case of network failure. Nov 17, 20 here we will see how to configure probe based ipmp. Solaris 11 from nothing to ipmp load balancing the. Ipmp works differently in oracle solaris 11 than in oracle solaris 10. From your configuration, it looks like you are not using solaris ipmp however your ifconfig output says that you indeed tried to configure an ipmp group. How to select which failure detection method to use. The virtual ip interface serves all of the data ip addresses, while test addresses that are used for probe based failure detection are assigned to an underlying. We did expect the vip should failover to the surival node. I thought i would share a simpler step by step approach. Configure link based ipmp in solaris sun solaris system admin. Oracle vm server for sparc features and implementation.
Solaris 11 from nothing to ipmp load balancing the little. Some of those zones are legacy, so they are unfortunately using different network subnets. Ive never used a vni link, so i dont feel qualified to talk about that, but i do use ipmp, and i always felt the way you managed it in previous versions of solaris was something of a mess. The virtual ip interface serves all of the data ip addresses, while test addresses that are used for probebased failure detection are assigned to an underlying interface such. Configuring ipmp groups oracle solaris administration. With ipmp, two or more nics are dedicated for each network to which the host connects. Oracle vm server for sparc formerly called logical domains is a virtualization technology that creates sparc virtual machines, also called domains.
Ipmp basicsconfiguring an ipmp group on solaris 11. Configuring ipmp in oracle solaris 11 transitioning from. However, i dont know any way around it on solaris 10. In the event of a link failure on one interface, the other interface in the group continues to advertise the ip of the other. The ip interfaces are now grouped into a virtual group ip interface e. To disable probe based failure detection, just omit the configuration of test failover addresses. Configuring for probebased failure detection oracle. To disable probebased failure detection, just omit the configuration. Ive recently been asked to look after a sun fire x2100 running solaris 10, which is sitting in a rack on the other side of the world from me. The mpathd daemon uses the interface kernel driver to check the status of the interface.
Ip network multipathing link based without probe based failure detection posted on may 9, 2014 by luca merello ip network multipathing ipmp is a layer 3 technology that enables you to group multiple ip interfaces into a single logical interface called ipmp group. This means that test subnet of solaris 9 and 10 systems will not become probe targets for each other. How to find your ip address on solaris broadcast crucial. Ensure eeprom is configured to issue unique mac addresses to all system interfaces.
Using ipmp with link based failure detection oracle what. We are using solaris 10 on sparc platform t44 to run zones. The ipmp group can be configured with activeactive interfaces or activestandby interfaces. Author rajukv posted on january 4, 20 january 8, 20 categories networking, solaris tags ipmp, solaris10 leave a comment on configuring link based ipmp solaris 10 installing oracle vm for sparc 2. Test addresses are configured as logical interfaces of the physical interface that you specify to the ifconfig command. Tried activeactive, stand by, various combinations. Jan 16, 20 this box did not have any network configurations done at all. Configure probebased failure dection and the address for the card. For a full explanation of ipmp, see the oracle solaris system administration guide.
May 08, 2009 this entry was posted in solaris and tagged configure ipmp on solaris, ip network multipathing, ipmp, ipmp 2 interface 1 virtual ip, ipmp 4 interface 2 virtual ip, ipmp failover, ipmp with 2 interface, ipmp with 4 interface, link base ipmp, probe base ipmp, solaris ipmp, solaris link base ipmp, solaris probe base ipmp. Oracle made a tone of changes to its networking stack in solaris 11. Network link failure it enables interfaces to fail over within approximately 10 seconds when using the default configuration. Heres where we genuinely do need a new command, and that command is, of course, ipadm. The oracle solaris 11 ip multipathing ipmp feature has a new conceptual model. It permits operation of virtual machines with less overhead than traditional designs by changing the way guests access cpu, memory, and io resources. Oracle solaris ipmporaclesolaris solaris ipmp or solaris ip network multipathing, as the name suggests, is used to get seamless access to the server via network protocols. So network access changes automatically from the failed link to the alternate link, providing uninterrupted access to the network. While oracle has done well to update documentation surrounding their recent updates to the solaris 11 networking and virtualization stack, it will still come as a shock to many experienced solaris administrators that the old methods of configuring ipmp ip multipathing using configuration files is. Its running fine at present, but the hosts dont have remote console access, and theres no response from the lom web gui when the system is down. Configuring ip network multipathing on solaris azizs blog. I said earlier that an interface can be ip, vni, or ipmp.
Configure link based ipmp in solaris sun solaris system. It eliminates a single network adapter as a single point of failure in these cases, a. Ipmp provides network availability during interface failures. How to manually specify target systems for probe based failure detection. Verify the solaris version as the requirement is at least solaris 8. All ipmp interfaces are failed tarn technicaluser 28 dec 11 14. Ive recently setup a bunch of machines for ip multipathing i. Dec 17, 2017 oracle solaris ipmporacle solaris solaris ipmp or solaris ip network multipathing, as the name suggests, is used to get seamless access to the server via network protocols. It is backwards compatible with sysv init scripts, and provides features, such as parallel startup of system services at boot time, ondemand activation of daemons, support for system state snapshots, or dependency based service control logic. A system and service manager that replaces upstart as the default init system.
Persistent network configuration is now managed by smf, and not by editing following files. Jun 28, 2015 the oracle solaris 11 ip multipathing ipmp feature has a new conceptual model. The oracle vm server for sparc software supports linkbased ip network multipathing ipmp with virtual network devices. Depending on which network configuration mode you choose during an installation, either the defaultfixed network configuration profile ncp or the automatic ncp is activated on the system.
Using probe based ipmp with nonglobal zones configuring a shared ip instance nonglobal zone and utilizing ipmp managed in the global zone is very easy. The ipadm command is new in solaris 11 and the illumos derived distributions. How to configure solaris 10 link based ipmp the geek diary. Im a bit desesparated by some kind of bugs we recently faced. Ipmultinicb with solaris ipmp probe base for cfs 5. Solaris ip multipathing made easy auburn university. Probe based ipmp uses 2 types of addresses in its configuration. Oracle solaris 11 uses profilebased network configuration, which is comprised of two network configuration modes. Verify the solaris version as the requirement is at least solaris 8 10 00. Ipmp load spreading outgoing network traffic is able to utilize several network interfaces network trunking multiple physical network interfaces are treated as one. Ipmp in solaris 10 for more solariis on probebased failure detection, refer to probebased failure detection. The major advantage is that you can use different ips in test subnet than the ip data addresses.
I am able to ping the faild interface ip and the test ip from within the server itself by login to the server by the ip on eg1 interface. Each interface can be assigned a static test ip address, which is used to assess the operational state of the interface. Configuring network interface in solaris 10 the little. Its a different way of handling ip interfaces, replacing ifconfig and a lot of etc file manipulation. Arp backup cache database dhcp dhcpagent dns etc hcl hostname hosts ip ipaddress ipmp ipv4 ipv6 keygen nameserver ndd nfs nscd opensource openssh openssl package password patch processor recovery root route routingtable security server solaris solaris express solaris10 solaris 10 sparc sshd sun sun solaris sunvts x86 zlib. As you know solaris 11 has changed lot from solaris 10 and configuring ipmp also has no exception from that. Ipmp eliminates single network card failure and it ensures system will be always accessible via network. Had posted an earlier problem with multinicb at that got settled by adding in a few ip addresses to verify againt.
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