You must find out the pseudo device or persistent devicespecific file that was created by the multipathing kernel module. S and hence a single command called as ioscan m hwpath will give you the number of paths related to the virtualized hardware address but to know this you should be aware that 640000xfa00lunid is the hw address related. Configuring clustering on an hp ux host complete this task to configure a storage unit for clustering on a hewlettpackard server host that uses the mcserviceguard clustering software. Getting multipath information unix and linux forums. Our broad hp ux virtualization portfolio offers technologies ranging from partitioning to virtual machines and containers. A gnu parser generator upwardly compatible with yacc. With serviceguard, multiple servers nodes andor server partitions are organized into an enterprise cluster that delivers highly available application services to. You can also achieve multiple connections with direct attached storage when multiple channels are. How to configure xtremio host multipathing software. Hpux administration training course content details what is hp ux admin. If the customer requires their own testing or qualification prior to enabling spc2 with hpux 11i v1 or v2 in a production environment.
As hewlett packard enterprise releases updates to software, the latest versions of software and documentation are made available to you. To ensure hosts are able to access virtual volumes served from vplex, it is an emc best practice to constantly ensure hostbased multipathing software is installed on each host and is functioning properly. Mpio software monitors all available paths and will decide which path should be used for the operating system. Useful fiber channel and multipath commands posted on march 6, 20 by ben 8 comments so this was an interesting exercise i had the other day on one of our hpux servers that took me quite a bit of time to research. If some servers attached to the dmx port are running hpux 11. Hp ux 11iv2 has builtin multipathing for failover, but it does not loadbalance for that you need additional software as meyersd suggested. The hp jetadvantage portfolio of workflow software and solutions are designed to help you capture, store, manage, share, find, and deliver information more efficiently, eliminating manual input and increasing operational effectiveness. Software distributor administration guide for hpux 11i. Hi all, i just wonder if anyone is using asm on hpux 11. For more information about configuring the hpux iscsi software initiator, see the hp technical documentation website. How to check multipath version in hpunix hewlett packard. To get the status of all lunpaths to the disks or luns attached to the hpux server we will use same ioscan cli with slightly different syntax. When you create volume groups, you can implement pvlinks, the hewlettpackard builtin multipathing software for high availability drives. How to verify hpux fibre channel configurations with.
Check information about paths between heterogeneous and local storage systems and an application. Emcs dmp to provide a single device file that dmp then uses to address both real paths. For current updates, visit the symantec operation readiness tools installation and upgrade page. The data host software contains tools that manage the data path io connections between the data host and the array. Hpux for experienced unix system administrators h5875s duration. If you are using legacy dsfs or have an older hpux version then you either use some software for multipathing like hp secure path, emc powerpath or whichever sw comes with your storage, or multipathing is done by your volume manager like lvm or vxvm or you dont use multipathing at all. This is known as pvlinks and it is a feature of the lvm software that is free part of hp ux. If the customer requires their own testing or qualification prior to enabling spc2 with hp ux 11i v1 or v2 in a production environment. Hpux multipathing is a relatively new product, powerpath is a mature product with many extra features. All versions of hpux can multipath with out any added software. Hpux from hewlett packard unix is hewlett packard enterprises proprietary. Full integration with hpux 11i v3 existing tools for instance ioscan, sar, and smh and hpux subsystems for instance boot, dump, file systems hfs, the logical volume manager lvm have been enhanced to use native multipathing.
Multipathing is the ability of a server to communicate with the same physical or logical block storage device across multiple physical paths between the host bus adapters hbas in the server and the storage controllers for the device, typically in fibre channel fc or iscsi san environments. Hp ux virtualization consolidates workloads and gets the most out of your hpe integrity servers running hp ux. Using third party multipathing with vcs lvm agents is mostly not clear in the documentation. If some servers attached to the dmx port are running an os other than hpux. All versions of hp ux can multipath with out any added software. Using third party multipathing with vcs lvm agents vox.
Nov 28, 2017 mpio software monitors all available paths and will decide which path should be used for the operating system. Software for hpux was now packaged, shipped, installed, and removed via the. Multipathing has been enabled on solaris with the command stmsboot e. Data host software for hp ux and aix platforms is veritas dynamic multipathing dmp, which is part of the veritas volume manager. It can download sets of packages and their dependencies caching them for later use and then install any of them that arent already installed. Hp integrity server blades, hp integrity servers, and hp 9000 servers, hp part number 59924165, publication date september 2008, edition 4. I did some searching on powerlink and found the minimum osdmx requirements all of which w. Parsec group 5610 ward road, suite 110, arvada, co 80002. Our technical consultants have been supporting hp ux even before the parisc was developed, so no matter what type of servers you operate, or what version of hp ux you use, parsec can provide the best support for your environment. Hi, how do i get multipath information from my hpux servers like the multipath software used, and the version. If some servers attached to the dmx port are running an os other than hp ux.
Storage multipathing choices in hpux serviceguard environments. Should one controller, port or switch fail, the operating system can route io through the remaining controller transparently. Installing hp applications and patches hp ux 11i v3 installation and update guide. Meaning when you refer to the disk through the device devdiskdisk46, that device will write to the disk using one of the two direct paths of devdskc9t0d0. Hpux 11iv2 has builtin multipathing for failover, but it does not loadbalance for that you need additional software as meyersd suggested. Hpux 11i offers a common shared disks for its clustered file system. With hp ux there are two mpio programs that may be utilized, native lvm alternate links pvlinks and veritas dynamic multipathing dmp.
Hi all, how to check whether multipathing is enabled on hpux v3 system. Here you can see devdiskdisk46 is the multipath disk with hardware path 640000xfa000xe. This is known as pvlinks and it is a feature of the lvm software that is free part of hpux. The xtremio host configuration guide includes best practices to configure multipathing software for linux, vmware vsphere, windows, solaris, aix, hpux operating systems linux configuring linux native multipathing configuring powerpath multipathing vmware vsphere configuring vsphere native multipathing configuring powerpath multipathing microsoft windows configuring native multipathing. On this example, there are two luns 0 and 1, and format does not show them under mpxio. How to do multipathing on hpux 11iv2 solutions experts.
Data host software for hpux and aix platforms is veritas dynamic multipathing dmp, which is part of the veritas volume manager. See a 2x3x increase in io for vmware with emc powerpathve intelligent multipathing. Configuring clustering on an hpux host complete this task to configure a storage unit for clustering on a hewlettpackard server host that uses the mcserviceguard clustering software. Now they both are using the wwid something like a wwn but bound to a specific device and not to the port to identify multiple paths to a given disk and handle multipathing. Dell emc powerpath intelligent multipathing software dell. For solaris 10 stms is integrated into the solaris operating system patches you install. Hpux did not support native dynamic multipathing before hpux 11i v3, so you may have addon software e. With sf, you can understand why 3rd party multipathing needs to be tested to be supported as sf integrates at a lowlevel with the storage and multipathing effect this, but with vcs, vcs integrates with lvm.
June 1996, edition 4, b235590107 new editions of this manual will incorporate all material updated since the previous edition. Hp ux 11i offers a common shared disks for its clustered file system. The data host software for red hat linux and windows platforms is sun redundant dual array controller rdac, and is available from the sun download center sdlc. Our system administrators have asked if they shouldneed to load powerpath to attach to our dmx4 or if we can support native multipathing. The xtremio host configuration guide includes best practices to configure multipathing software for linux, vmware vsphere, windows, solaris, aix, hp ux operating systems linux configuring linux native multipathing configuring powerpath multipathing vmware vsphere configuring vsphere native multipathing configuring powerpath multipathing microsoft windows configuring native multipathing using. After the iscsi initiator is configured, the hpux native multipathing is statically linked with the kernel, which means no setup is required to use the multipathing support. Hpux phone support and software maintenance services for your hpux environment, at a fraction of the cost of the vendor. Hpux11iv3 native multipathing vs powerpath dell community. Multipath connectivity huawei san storage host connectivity. Configure and manage jfs file systems install hpux os software, applications, and patches. If you see ios going through the persistent devicespecific file, then hpux native multipathing is operating.
With my little knowledge of hp ux i can only say that hp did an implant in the already beautyfull hp ux of the storage core found in digitalunixtru64. Hp storageworks enterprise virtual array cluster administrator guide this guide provides information for a storage administrator on how to manage the hp storageworks eva cluster. For more information about configuring the hpux iscsi software initiator, see the hp technical documentation. With my little knowledge of hpux i can only say that hp did an implant in the already beautyfull hpux of the storage core found in digitalunixtru64. Hpux hypermetro configuration guide for huawei san storage. If the server is older or hpux 11i v2 then it may use pvlinks or if patched enough to the latest, you will have agile device names which is a default feature of 11i v3called native multipathing. This required the unconfiguring the hdlm as vxvm does not run with hdlm due to the fact that hdlm creates psedu devices which vxvm does not requre. If some servers attached to the dmx port are running hp ux 11. Dell emc powerpath intelligent multipathing software. The steps to configure mcserviceguard with the storage unit are the same as the steps in the hewlettpackard high availability documentation at hp documents ha. November 1997, edition 6, b235590154 managing hpux software with sdux for hpux 10. This includes drivers and utilities that enable array management hosts to connect to, monitor, and transfer data in a storage area network san. Configuring hosts to access fibre channel fc or iscsi. Supported hpux 11i v3 operating systems this section lists the supported operating systems for this release of veritas products.
We have a development system which has been upgraded to hp ux 11v3. So this was an interesting exercise i had the other day and from it i came. You can also implement ibm multipath subsystem device driver sdd, which is the multipathing software that is recommended by ibm. Using the depothelper package helps you to easily download, install or uninstall hp ux archive depot packages and their dependencies. In hpux 11iv2 operating systems to manage multipathing we used third party tools like secure path, auto path etc. So, why continue to pay expensive hp ux software maintenance costs for support from the vendor. Major new features include native multipathing support, a unified file cache. Respond rapidly to business requirements and reduce costs with efficient utilization of your it resources. Hpux 11i v3 native multipathing for mass storage september. In addition, new tools like scsimgr are provided to manage the native multipathing solution. Hpux from hewlett packard os is hewlett packard enterprises proprietary implementation of the unix package, supported unix operating system v initially system iii and initial free in 1984.
Simply vgextending the volume group to add the alternate path to the disk lun into the vg enables failover. Hpux hypermetro configuration guide for huawei san. Physical volumes pv name devdiskdisk118 pv status available total pe 4314 free pe 0 autoswitch on proactive polling on pv name devdiskdisk119 pv sta. With hpux there are two mpio programs that may be utilized, native lvm alternate links pvlinks and veritas dynamic multipathing dmp. Integrity servers with hpux for mission critical unix. For information on install patches, refer to the sun website. Now they both are using the wwid something like a wwn but bound to a specific device and not to the port to identify multiple paths to a.
Management and multipathing software to automatically balance io loads and provide seamless failoverrecovery and advanced monitoring. If you do not see the ios going through the persistent devicespecific file, then native multipathing is not operating. Useful fiber channel and multipath commands geekswing. Hp storageworks enterprise virtual array cluster administrator guide this guide provides information for a storage administrator on how to manage the hp storageworks eva. Hdlm unconfiguration for lvm to vxvm conversion in hpux. Operating systems hp ux getting multipath information. A simple example would be a scsi disk connected to two scsi controllers on the same computer or a disk connected to two fibre channel ports.
Host configuration huawei san storage host connectivity. Hp ux multipathing hewlett packard enterprise community. Suns native path management software is sun storedge traffic manager stms. He is cloud, ai, iot, blockchain and fintech enthusiast. I would like to download a basic copy of linux to my pc as a sandbox in which i can run basic commands and functions as a learning tool. Mandar is a seasoned software professional for more than a decade. Hp ux did not support native dynamic multipathing before hp ux 11i v3, so you may have addon software e. After the iscsi initiator is configured, the hp ux native multipathing is statically linked with the kernel, which means no setup is required to use the multipathing support. Hpux for experienced unix system administrators h5875s. Hp global workload management adjusts workloads to optimize performance, and integrates with instant capacity on demand so installed resources can be paid for in 30minute increments as needed for peak workload demands.
Is has been around for many years and it is proven stable and efficient. Configuring host path switchover hpux operating systems. I have an older pc pentium iii processor at 1ghz, 128mb ram at 3 mhz, windows me operating system. Products sold prior to the november 1, 2015 separation of hewlettpackard company into hewlett packard enterprise company and hp inc.
Validating host multipathing with emc vplex technical notes introduction emc vplex is a fault tolerant product from the ground up. I want to install hp ux os for practicing commands and all. Native multipath failover is packaged with the hpux operating system software. The core of hpux 11i networking is a versatile implementation of the tcpip stack, capable of simultaneous support for both version 4. The software updates and licensing portal gives you access to software, documentation and license updates for products on your valid hewlett packard enterprise support agreement. Supported hp ux 11i v3 operating systems this section lists the supported operating systems for this release of. Hpux native multipathing efficient multipathing support on an hpux system that is configured for an iscsi initiator involves several requirements and guidelines to consider.
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