If you want to specify only certain hosts from accessing a storage device then you would want to setup zoning. On the storage side, is the lun masking done properly. Design and implementation of san which includes installing and configuring of hitachi storage boxes and fiber channel switches. In a wellmanaged san, users should be aware only of those files to which they have access. In order to access the lun presentation screen, please put the software into maintenance mode. Block io performance reporting, discovery, instance discovery, lun masking and mapping, monitor lun mapping changes, monitor volume creation and removal, related instance discovery, slp discovery, secure access, storage pool creation and removal, storage pool monitoring, subscribe to event notifications, volume creation and.
Each hitachi hus vm can export 4096 luns to the system. Storage administrators configure, implement, and manage ongoing operations of several servers simultaneously via a storage area network. In a san fabric, lun storage is essential to the configuration of the environment and its performance. Hi, a 9980 fc port is shared between a windows and a unix server. Lun creation and lin masking from storage to the servers. Presents a virtual storage system by lun masking, luns are presented only to servers which are authorized to see them.
Typically, all lun storage can be managed through one software program that. This feature lets you enable data access and create storage groups on shared storage systems. But other host that configured early is able to see the lun0 is mapping guard is used to secure the lun masking how to disable it. Hitachi virtual storage platform family delivers enterprise storage virtualization in a unified platform for midmarket to global enterprise organizations that need to manage information more efficiently. It should be a simple matter of redoing any lun masking on the san storage array. Lun masking once the zoning is done, we can further lock down access to the storage by setting up lun logical unit number masking on the storage device. In the hitachi freedom storage 5800 subsystem, a total of 64 luns can be. Selective storage presentation on the msa type storage is lun masking. Lun masking is important because windows based servers attempt to write volume labels to all available luns. Lun logical unit number masking is an authorization process that makes a lun available to some hosts and unavailable to other hosts. Create new lun on the same array as the one you want to expand see this article if you have not already done this step. Logical units and target ports on hitachi hus vm systems ibm. Introduction in a clustered network environment, multiple iscsi initiators. This can render the luns unusable by other operating systems and can result in data loss.
Mar 28, 2002 san approaches to lun security rick cook. Zoning allows you to selectively group your storage and your host or hosts so that they can see the storage array. Hitachi data retention utility, performance monitor feature, volume shredder feature, virtual lun software, lun manager, vlvi cvs, hitachi server priority manager, hitachi volume retention, cache residency manager feature, hitachi storage navigator, raidcom, java api, cci command control. Experience with hitachi storage management software a plus. San storage interview question solutions experts exchange. Hitachi storage management software that achieves the best operation 94 tiered storage manager by creating groups of volume virtualized by hitachi disk array subsystems by means of a concept known as tiers each of which corresponds to certain operational requirements like performance and cost. You should have called the new lun something that makes sense eg.
View rajesh chavans profile on linkedin, the worlds largest professional community. Hitachi data systems interview questions, placement process. Hitachi virtual storage platform vsp g series hitachi. This company has tested more than one smi enabled software. Hosts not included in the luns mask cannot access it. As a feature of storage virtualization sv, lun masking has numerous customer benefits such as security and configurable lun. They should both be used to secure the storage network and reduce unnecessary traffic.
Lun masking storage array and esxi in vmware vsphere vmworld. The san would prevent certain devices from seeing a specific lun that it is hosting. Quizlet flashcards, activities and games help you improve your grades. Find answers to ibm san what is lun masking from the expert community at experts exchange. Configure virtualization and storage replication with hitachi storage system.
Which is a better fit for a storagearea network san fabric. Management, maintenance and implementation of hitachi storage environment vsp. Smis conformant provider software for hitachi data systems. To mask luns on an esxi host, use the hds storage navigator software for best results.
Intended audience this document is intended for system administrators who are involved in installing, configuring, and operating the hitachi universal storage platform v and hitachi universal storage platform vm storage systems. On the first place check if you are actually able to see the lun from esxi storage device tab. How to create and access a lun with netapp and microsoft windows 2012. Rajesh chavan technical consultant hitachi vantara linkedin. As a feature of storage virtualization sv, lun masking has numerous customer benefits such as security and configurable lun presentation. Physical space is allocated as and when it is required, or rather when actual data is written to the lun. Is it possible to hide unix luns from windows in controller side. Lun masking is similar to zoning in the sense that both are used to provide a way of access control. To prevent multipathing driver incompatibility issues, avoid connecting a host to both. Additionally, techniques such as lun masking and lun zoning can be used to dictate. A volume is referenced by the id or the name of the ldev. If a storage administrator is unaware of the outage, unable to respond, or not present, hpe cluster extension software can manage the failover because it requires no server reboots or lun presentationmapping changes during failover.
Hi team can you please tell me hitachi equivalent of xp24000, xp12000, and p9500. Netapp storage l3, hitachi storage l3, mandatory and emc storage. Smis conformant provider software for hitachi limited snia. Hitachi universal storage platform user and reference guide. In effect, it presents a virtual storage system to each host. You may have zoned a server and storage subsystem together, but you may not want the server to see all of. The dx60, dx80 and dx90 systems easily compete with the emc ax4, hitachi sms, hp.
Round 1 two telephonic interviews i had two phone screenings or interviews. We have our new host added to the storage system not physically connected, but thats ok. Access logix is a storage systembased licensed software. Switch zoning for hitachi hus vm systems ibm knowledge center. Lun paths are configured to ports according to the mapping defined in the migration. The hyperv nodes will utilize ms software iscsi initiators. Hitachi virtual storage platform vsp g series, a flashpowered cloud platform, reduces risks and delivers data three times faster with industrys best 100% data availability guarantee. Nov 15, 20 find answers to san storage interview question from the. This document shows you how to configure iscsi advanced acl access control list on qnap turbo nas and verify the settings. Apr 07, 2017 lun masking storage array and esxi in vmware vsphere vmworld mikrotik, ubnt, tp link cisco, netis, totolink pf sense, virtual box, software hardware enough and more follw my video and easy. Existing storage from multiple vendors can now be centrally unified in a shared pool of data.
The vsp g or f series controllers storage systems support lun masking to enable multiple servers to access separate luns through a common controller port. The vsp g or f series controllers storage systems support lun masking to enable. The storage array parameters specified in the required parameters for hitachi storage arrays with systems running data ontap topic should be set and luns should be mapped to the host groups before the switch is zoned to connect the data ontap system that uses array luns to a hitachi storage array. This is the hitachi device manager storage navigator. It is also a top choice for tiered or standalone storage. Some storage devices have lun masking utilities and can combine with the switch to mask its own luns.
Lun masking is implemented primarily at the hba host bus adapter level. Lun masking takes place at either the host bus adapter hba or storage controller, and restricts the. This storage solution is also available from sun and as hp xp storage. On the hitachi storage navigator, complete the following steps. Learn how to create a lun, how to share a lun, and find out about lun provisioning and lun masking. Hcs improves administration, operations, data mobility, monitoring, and resilience for hitachi virtualized storage environments. I created a lun named lun0and present to my new esx named esx1, but when i want to add another lun that in used by existing esx esx2 to esx1, i cant see other lun under available lun column. Official smis ctp test results hitachi limited view test results for smis which are older than smis 1. There are no issues with mixing workloads or server types in this setup.
Opensystems host attachment guide hitachi data systems. Allocate a lun masking mapping in assign luns to hosts, device manager, hcs, lun operations allocating a lun its the process where you present a carved lun to a host or to more hosts if you have a cluster for example. Lun masking is implemented primarily at the hba host bus adapater level. Emc vnx how to create a storage group storagefreak. The first interview was based on the storage concept, types of storage, management of storage, protocols including iscsi and fiber channel, lun masking and. Logical units and target ports on hitachi hus vm systems. While allocating the space to server no actual storage space or physical space is allocated the server or application. This vmware vsphere video training course by vikas singh.
Hitachi virtual storage platform vsp g series hitachi vantara. Hitachi virtual storage platform g hitachi virtual storage platform hitachi unified storage vm hitachi universal storage platform vvm. I have used the buffalo 5400r nas device in the past but i cant quite figure out how to expose 1 lun for vhd storage only out to the 2 iscsi initiators running out of the 2 hp dls. Lun masking is normally performed at the storage controller level. The hitachi hus vm system has a maximum lun size of 60 tb and eight. Lun masking adds a finer level of control to zoning. Lun masking implemented at this level is vulnerable to any attack that compromises the hba. Troubleshooting, implementation and configuration backup software management symantec netbackup storage provisioning, lun management, lun masking, zoning. Storage provisioning, lun management, lun masking, zoning, performance management and. Nov 03, 2011 hitachi dynamic provisioning hdp with hdp, we club the luns and create a pool of disk space. Hitachi storage job openings apr 2020 31 active hitachi. Hitachi hus vm systems identify exported logical units through scsi identification descriptor type 3.
Coordinating maintenance task with customer and principal administration of wintel and unix servers to support storage. Hitachi data systems vsp g series and f series storage. To create a storage group simply go to host storage group section. Which is a better fit for a storage area network san fabric. Storage portfolio flash and storage solutions hitachi vantara. Currently, there are four approaches to providing lun security. This is the hitachi device manager storage navigator users configure an vsp g or f series controllers via software installed on a gui server. Lun storage and its role in san management computer weekly.
The security benefits of lun masking implemented at hbas are limited, since with many hbas it is possible to forge source addresses wwnsmacsips and compromise the access. Hitachi storage family matrix hitachi unified storage 110 hitachi unified storage. Nov 11, 2016 hi friends welcome to my youtube channel. See the complete profile on linkedin and discover rajeshs.
Dx60dx80dx90 are the entrylevel series of the fujitsu eternus family of disk storage. Emc dmx device management, lun masking, host configuration edit configuration files, install storage management software and dualpathing sw if needed, integrate into existing backup environment. The hitachi hus vm system has a maximum lun size of 60 tb and eight fibre channel ports luns. Logical unit number masking or lun masking is an authorization process that makes a logical unit number available to some hosts and unavailable to other hosts lun masking is a level of security that makes a lun available to only selected hosts and unavailable to all others. Hardware replacement activity such as disk, sfp and cache memory replacement. Also check for jobs with similar skills and titles top hitachi storage jobs free alerts. How to configure iscsi advanced acl on qnap turbo nas. If you are not sure what storage group is and why we actually need it, go thru this post. Hi all, i am working on an oracle 10g rac and asm installation with sun e6900 servers attached to a hitachi san for shared storage with sun solaris 10 as the server os. Ibm san what is lun masking solutions experts exchange. Lun masking is mainly implemented at the host bus adapter hba level.
Block io performance reporting, discovery, instance discovery, lun masking and mapping, monitor lun mapping changes, monitor volume creation and removal, performance reporting definition, related instance discovery, slp discovery, scalable object retrieval, secure access, storage pool creation and removal, storage pool monitoring, subscribe to event notifications, thinly. Lun masking lun masking is the process of masking or hiding luns from hosts that shouldnt see them or have access to them. A lun is a unique identifier given to separate devices, or logical units, so they can be accessed by a scsi, iscsi or fibre channel protocol. Allocate a lun maskingmapping in assign luns to hosts, device manager, hcs, lun operations allocating a lun its the process where you present a carved lun to a host or to more hosts if you have a cluster for example. For example, hdss freedom storage 7700e contains a lun masking utility in its storage controller. Hitachi vantara hitachi virtual storage platform g200 vsp.
I believe that another reason to use both zoning and masking is when connecting nonclustered devicesservers, which need access to same lunstorage devicetarget. Hitachi nondisruptive migration user guide hitachi vantara. It consists of a group of wwns which are allowed to access a given lun. Explore hitachi storage portfolio to know about industrys most resilient hybrid, flash, nas and object storage solutions for accelerating your enterprise and deliver more predictable user experience. Hitachi command suite software is an unified management framework for advanced data and storage management that improves operations, provisioning, service levels, data. A lun is required to be presented to svc before svc will detect the controller. Lun masking can be used with iscsi storage and fibre channel storage. Mapping within a storage controller lun masking at the storage controller level allows a storage subsystem to mask its own luns. Is it possible to create a lun of small size, say 5gb and check if the lun is visible on esx side. Hitachi storage management software that achieves the best.
But it is worth noting that volume is also often used to describe groups of several luns created with volume manager software. Lun masking is a further constraint added to lun zoning to ensure that only devices authorized to access a specific server can access the corresponding port. Zoning and lun masking are often confused for each other, probably because both of them are used to restrict access to storage. If the storage doesnt allow visibility of the lun to a particular host then it doesnt even exist as far as.
What i am looking for is in other words a lun masking service based on clients ip address, hostname, wwpn or. This paper describes and clarifies dynamic provisioning to help and understand the tasks involved in hitachi dynamic provisioning hdp. This unified management framework for all hitachi storage systems consists of an integrated suite of products. Configuration settings for vsp g or f series controllers storage system the browser access enables the setup of the vsp g or f series controllers storage system luns and export to the san volume controller cluster. Explore logical unit number lun storage and its role in san management. Configure path optimization features alua or similar on your disk subsystem, if so instructed by your vendors documentation.
Jan 27, 2014 by doing zoning and lun masking storage units are isolated or made invisible to some or all of the hosts in the san. Workaround when luns are not visible with hitachi storage. Ability to research, specify, order and plan equipment layout and interconnectivity. Are the luns mapped to the same esx host cross verify the wwns 2. Storage zoning vs lun masking online computer tips. Short description hitachi storage administrator 6 to 9 years mumbai qualifications any full. The hitachi hus vm storage system can support lun masking to enable. Check the fabric information on each oracle vm server that has access to the san hardware. Ilham ramanda storage engineer hitachi data systems.
The lun masking setup will determine which wwn host bus adapter will be able to access a virtual disk or sets of virtual disks vdisks. Emc vnx access logix, lun masking and storage groups. Lun masking is an integral part of host lun presentation along with lun mapping. View and download hitachi storage manuals for free. All x86based turbo nas models tsx39, tsx59, ts509, and ts809 support this feature. Skills relevant to this position and found on example resumes include working on vmware esx servers to provide storage support, and increasing capacity utilization and enhanced performance on vmax and dmx by performing virtual provisioning using smc.
Storage portfolio flash and storage solutions hitachi. Portbased lun masking is granular to the storage array port, so any. Lun management at the heart of san configuration searchstorage. Portbased lun masking is granular to the storage array port, so any disks on a given port will be accessible to any servers on that port. The hiring process at hitachi data systems included two telephonic interviews and five on site interviews. Rajesh chavan field services engineer hitachi data. When lun masking is implemented at the storage controller level, the controller itself enforces the access policies to the device and as a result it is more secure.
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