I was attempting to troubleshoot issues as a user was complaining about slow performance on a san disk. The ipmp load spreading feature increases the machines bandwidth by spreading the outbound load between all the cards in the same ipmp group. Hp 3par solaris implementation guide abstract this implementation guide provides information for establishing communications between an hp 3par storeserv storage system and a solaris 8, 9, 10, or 11 host running on the sparc, x64, and x86 platforms. Solaris ip multipathing made easy auburn university. With the release of the solaris 10 update 4 os, the stmsboot1m command is now available for use on sparc, x86, and x64 based systems to enable or disable multipathing for fibre channel fc and sas devices.
Data address used by applications for actual data transfer. Network link failure it enables interfaces to fail over within approximately 10 seconds when using the default configuration. Oracle patches solaris 10 hole exploited by nsa spyware. It eliminates a single network adapter as a single point of failure in these cases, a. The oracle solaris 11 ip multipathing ipmp feature has a new conceptual model. Each interface can be assigned a static test ip address, which is used to assess the operational state of the interface. With ipmp, two or more nics are dedicated for each network to which the host connects. As far as i know, sun dont yet support multipathing over scsi connections the way that the a3500 could. The ip interfaces are now grouped into a virtual group ip interface e. The following components implement solaris network multipathing. Solaris io multipathing gives you the ability to set up multiple redundant paths to a storage system and gives you the benefits of load balancing and failover.
If an interface within an ip multipathing group fails, the interface is disabled and its ip address is relocated to another interface in the group. At this time few patch exist, but many cr are open against mpathadm. Solaris, such as storage devices and both datalink and ip multipathing reduce costs. The major advantage is that you can use different ips in test subnet than the ip data addresses.
The old solaris luxadm command still manage fc arrays, but mpathadm command has been developed to work on all. Ipmp ip multipathing ip multipathing is a configuration that allows an ip address to automatically failover between two or more physical network interfaces. This means that test subnet of solaris 9 and 10 systems will not become probe targets for each other. Configured ipmp ip multipathing in solaris and nic bonding in linux. Solaris admin reference solaris storage multipathing. 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.
I thought i would share a simpler step by step approach. Ive recently setup a bunch of machines for ip multipathing i. It can be configured by adjusting the parameters in the etcdefaultmpathd file. As of the solaris 8 release, if a failure occurs in the network adapter, and if you have an alternate adapter connected to the same ip link, the system switches all the. Oracle patches solaris 10 hole exploited by nsa spyware tool and 298 other security bugs mega load of updates lands for tons of big red gear by iain thomson in san francisco 19 apr 2017 at 00. Adding packages and patches upgrading systems from solaris 8 to solaris 9. Solaris multipathing software mpxio operate now with new arrays using other protocols like sas or iscsi. The ip network multipathing or ipmp is a facility provided by solaris to provide faulttolerance and load spreading for network interface cards nics. In this file there is an option called failback to. How to configure solaris 10 probe based ipmp the geek diary. How to use ip network multipathing in exclusive ip nonglobal zones. Solaris 10 supports solaris network multipathing via. This capability also enables the connection of up to four.
The old solaris luxadm command still manage fc arrays, but mpathadm command has been developed to work on all the arrays using fc, sas, and iscsi connections. You can also configure the failure detection seconds in etcdefaultmpathd file and the default value is 10 seconds. Just a few days ago ive been busy configuring one of the solaris 10 zones on a dmz server, and sure enough i hit one of the most common iprelated issues with nonglobal zones. I have a sun v440 box, with soalris 9,set up for interface redundancy using multipathing, as follows. Ipmp eliminates single network card failure and it ensures system will be always accessible via network. How to apply a solaris recommended patch cluster solaris. Ipmp load spreadingoutgoing network traffic is able to utilize several network interfaces network trunking multiple physical network interfaces are treated as one. Solaris ipmp in a test subnet oracle juergen schleichs blog. Sharedip and exclusiveip in nonglobal solaris zones. Outbound ip traffic is distributed across the interfaces of a group. Sun has released a security patch addressing the following issues. Fine tuning of servers and configuring networks for optimum performance. Solaris volume manager, the integrated advanced disk management facility, previously known as online.
Download solaris ip multipathing configuration for free. The problem that we are facing is that we are running in a solaris ip multipathing network configuration, eri0 and qfe0 being the physical interfaces, and qfe0. How to disable multipathing disable device multipathing. Latest solaris 10 patch bundles i dont know if its just my own ignorance or oracle purposely obfuscating the latest patch bundles for solaris but i recently had a hell of a time finding the january 2017 patch bundle for solaris 10. The stmsboot command updates the etcvfstab file and dump configuration to reflect device name changes during the.
Ip multipathing is a technology that allows grouping of tcpip interfaces for fail over and load balancing purposes. The group functions like an ip interface with data addresses to send or receive network traffic. 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. Ip, which implements the ioctl, does the network access failover transparently and automatically. For you information,from solaris 11 onward,zfs will be the default root. Ip multipathing provides a server with network resiliency protecting it from network interface failures. Solaris network multipathing system administration guide. Solaris os patching has been moved far away from the traditional methods from solaris 10 onwards. Ipmp load spreading outgoing network traffic is able to utilize several network interfaces network trunking multiple physical network interfaces are treated as one. Solaris 10 kernel patches 14144409 and 14144509 may cause interface failure in ip multipathing ipmp sun 271519 original release date.
We want to migrate a solaris 10 x86 from emc clariion to vnx. Ip network multipathing ipmp in an exclusive ip zone is configured as it is in the global zone. This is a short overview of solaris 10 kernel patches. The table show which kernel patch revision is included in the solaris 10 update releases and there patch. This article describes how to configure link based ipmp interfaces in solaris 10. When the failure of an interface is detected its virtual ip addresses are swapped to an operational interface in the group.
You can configure one or more physical interfaces into an ip multipathing group, or ipmp group. We no need to bring down the server to single user mode if you are using live upgrade method during pathing and before choosing live upgrade,make sure you are using zfs as a root filesystem. First thing that i did was check to ensure that there were not any performance issues on any disks that might have been causing this users issues a quick iostat verified that everything was looking fine iostat continue reading verify solaris 10 multipathingconfigure. Ip network multipathing provides your system with recovery from singlepoint failures with network adapters and increased traffic throughput. Im trying to find out a way to display the latest patches installed in a solaris box. So, in case of an upgrade from solaris 8 to solaris 9 or higher you maybe need to change your configuration. For solaris 10 and 11, mpxio is enabled by default on x86 platforms.
Change ip address in solaris 10 without reboot adding or editing the ip address on a solaris 10 server is different from the previous versions of the os solaris 9, solaris 8 etc. A beginners guide to solaris multipathing software mpxio. Ip network multipathing linkbased without probebased failure detection 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. Flash archive creation and use in solaris installations. Prior versions of solaris did already have ipmp support, but it was a bit hacky. Sr linuxunix system engineer resume, il hire it people. Solaris multipathing ip address conflict solutions. Configuring ip network multipathing on solaris azizs blog. Ip multipathing the ip multipathing ipmp feature in the solaris 8 operating environment offers continuous application availability by providing the ability to load balance failures when multiple network interface cards are attached to a system. In the previous versions of the solaris operating system, you need to edit the etchosts file and addedit the entry for the ip address and the hostname. One or more solaris patch fixlets available in the patches for solaris site. Shared ip configuration for nonglobal solaris zones by default, nonglobal zones will be configured with a shared ip functionality.