Network link failure it enables interfaces to fail over within approximately 10 seconds when using the default configuration. In solaris 11, you need to use ipadm command to configure the ipmp. Oracle vm server for sparc formerly called logical domains is a virtualization technology that creates sparc virtual machines, also called domains. Had posted an earlier problem with multinicb at that got settled by adding in a few ip addresses to verify againt.
Probebased ipmp provides redundancy by sending probe icmp packets via test addresses to target systems on same subnet. 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. Configure link based ipmp in solaris sun solaris system. So, in case of an upgrade from solaris 8 to solaris 9 or higher you maybe need to change your configuration. Jun 26, 20 this article describes how to configure link based ipmp interfaces in solaris 10. How to configure solaris 10 probe based ipmp the geek diary. Solaris 11 from nothing to ipmp load balancing the little. Probe based ipmp uses 2 types of addresses in its configuration. Solaris ipmp in a test subnet oracle juergen schleichs blog. Each interface can be assigned a static test ip address, which is used to assess the operational state of the interface. You need an existing datalink to create an interface on note i say datalink. Jun 27, 2015 ipadm create ipmp ipmp0 ipadm add ipmp i net0 i net1 ipmp0 ipmpstat a ipmpstat i. It eliminates a single network adapter as a single point of failure in these cases, a. Jan 03, 2007 this means that test subnet of solaris 9 and 10 systems will not become probe targets for each other.
How to configure link based ipmp in solaris 11 the geek. For a full explanation of ipmp, see the oracle solaris system administration guide. Persistent network configuration is now managed by smf, and not by editing following files. I thought i would share a simpler step by step approach. 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. Probe based ipmp utilize test address to monitor the health of interfaces. The first, most basic operation for which to use ipadm is the creation of a new ip interface. 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. Probe based ipmp provides redundancy by sending probe icmp packets via test addresses to target systems on same subnet. We are using solaris 10 on sparc platform t44 to run zones. Here as you can see the standby nic only has ipmp group configuration. 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 an ipmp configuration, you set the ip addresses at the configuration file named after your network card.
However, recently we have observed a lot of nic failures on the servers. 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. 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. Its a different way of handling ip interfaces, replacing ifconfig and a lot of etc file manipulation. Ipmp in solaris 10 for more solariis on probebased failure detection, refer to probebased failure detection. How to change and configure solaris 11 ip address azizs. This article is aimed to give a walk through of how to create a ldom in sunsparc m632 machines. If a failure occurs in one network link and an alternate link is configured, ip address can fails over. To configure link based ipmp, we do not required test address. This means that test subnet of solaris 9 and 10 systems will not become probe targets for each other. 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.
In this file there is an option called failback to. 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. 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. With ipmp, two or more nics are dedicated for each network to which the host connects. The failure detection and repair method used by the mpathd daemon differentiates the ipmp as probe based or link based. It can be configured by adjusting the parameters in the etcdefaultmpathd file. The major advantage is that you can use different ips in. Thus, the global zones are connected in a lot of subnet but still have one default gateway.
Solaris ip multipathing made easy auburn university. Ensure eeprom is configured to issue unique mac addresses to all system interfaces. Oracle vm server for sparc features and implementation. This box did not have any network configurations done at all. Using probebased ipmp with nonglobal zones configuring a shared ip instance nonglobal zone and utilizing ipmp managed in the global zone is very easy. Ipmp load spreading outgoing network traffic is able to utilize several network interfaces network trunking multiple physical network interfaces are treated as one. It was difficult because you had to do everything yourself. When configuring an ipmp group with virtual network devices, configure the group to use linkbased detection. It is an ideal way to consolidate multiple complete oracle solaris systems onto a modern. The major advantage is that you can use different ips in test subnet than the ip data addresses. 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. Configuring ipmp in a logical domains environment oracle. Jun 28, 2015 the oracle solaris 11 ip multipathing ipmp feature has a new conceptual model. 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. In the event of a link failure on one interface, the other interface in the group continues to advertise the ip of the other. Red hat enterprise linux to oracle solaris 11 comparison. There are two types of ipmp, link based and probe based, and both can be set up as either activeactive or activestandby. In identifying targets for probebased failure detection, the in.
All ipmp interfaces are failed tarn technicaluser 28 dec 11 14. How to manually specify target systems for probe based failure detection. However, i dont know any way around it on solaris 10. Solaris 11 from nothing to ipmp load balancing the. Verify the solaris version as the requirement is at least solaris 8 10 00. A system and service manager that replaces upstart as the default init system. Configuring ip network multipathing on solaris azizs blog. Ive recently setup a bunch of machines for ip multipathing i.
To disable probe based failure detection, just omit the configuration of test failover addresses. 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. The ipmp group can be configured with activeactive interfaces or activestandby interfaces. I said earlier that an interface can be ip, vni, or ipmp.
It permits operation of virtual machines with less overhead than traditional designs by changing the way guests access cpu, memory, and io resources. Heres where we genuinely do need a new command, and that command is, of course, ipadm. Check the status of the the interfaces in the ipmp group. It provides a complete step to step procedure from scratch to the end. Jan 16, 20 this box did not have any network configurations done at all. 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. Tried activeactive, stand by, various combinations.
Ipmultinicb with solaris ipmp probe base for cfs 5. 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. There are two types of ipmp, linkbased and probebased, and both can be set up as either activeactive or activestandby. 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. How to select which failure detection method to use.
Verify the solaris version as the requirement is at least solaris 8. Im a bit desesparated by some kind of bugs we recently faced. How to find your ip address on solaris broadcast crucial. 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. Configuring for probebased failure detection oracle. 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. As you know solaris 11 has changed lot from solaris 10 and configuring ipmp also has no exception from that. 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 ipmp with link based failure detection oracle what.
Test addresses are configured as logical interfaces of the physical interface that you specify to the ifconfig command. Configure probebased failure dection and the address for the card. 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. Oracle made a tone of changes to its networking stack in solaris 11. The ip network multipathing or ipmp is a facility provided by solaris to provide faulttolerance and load spreading for network interface cards nics. I started configuring every single file up to the ipmp configuration. This article describes how to configure link based ipmp interfaces in solaris 10.
The oracle solaris 11 ip multipathing ipmp feature has a new conceptual model. To disable probebased failure detection, just omit the configuration. Configure link based ipmp in solaris sun solaris system admin. Ipmp basicsconfiguring an ipmp group on solaris 11. Configuring ipmp groups oracle solaris administration. Ipmp eliminates single network card failure and it ensures system will be always accessible via network. The ip interfaces are now grouped into a virtual group ip interface e. It depends on a number of factors, including the network gear in use. Configuring network interface in solaris 10 the little. 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. The ipadm command is new in solaris 11 and the illumos derived distributions. Solaris 10 supports solaris network multipathing via. We did expect the vip should failover to the surival node. One significant change is that ip interfaces are now grouped into a virtual ip interface, for example, ipmp0.
Ipmp works differently in oracle solaris 11 than in oracle solaris 10. So network access changes automatically from the failed link to the alternate link, providing uninterrupted access to the network. If probe based failure detection is enabled for a specific group, the command also includes the failure detection time for that group. 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. 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. You can also configure the failure detection seconds in etcdefaultmpathd file and the default value is 10 seconds. 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.
The mpathd daemon uses the interface kernel driver to check the status of the interface. 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. Ipmp provides network availability during interface failures. How to manually specify target systems for probebased failure detection. Configuring ipmp in oracle solaris 11 transitioning from. 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. Some of those zones are legacy, so they are unfortunately using different network subnets. How to configure solaris 10 link based ipmp the geek diary.
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