Troubleshooting, implementation and configuration backup software management symantec netbackup storage provisioning, lun management, lun masking, zoning. Lun masking it is an process that makes a lun available to some hosts and unavailable to other hosts. Hosts not included in the luns mask cannot access it. The first interview was based on the storage concept, types of storage, management of storage, protocols including iscsi and fiber channel, lun masking and. Hitachi nondisruptive migration user guide hitachi vantara. In a san fabric, lun storage is essential to the configuration of the environment and its performance. 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. 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. Why do we need lun storage rather than using disks as they are. Hitachi command suite software is an unified management framework for advanced data and storage management that improves operations. Hitachi data systems vsp g series and f series storage.
Nov 15, 20 find answers to san storage interview question from the. All x86based turbo nas models tsx39, tsx59, ts509, and ts809 support this feature. In order to access the lun presentation screen, please put the software into maintenance mode. It is also a top choice for tiered or standalone storage. Emc vnx how to create a storage group storagefreak. 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. Presents a virtual storage system by lun masking, luns are presented only to servers which are authorized to see them. Nov 11, 2016 hi friends welcome to my youtube channel. Clx software supports the entire hpe 3par3par storeserv, xpp9500 and evap6000 arrays. This section introduces the setup for hitachi data systems storage. They should both be used to secure the storage network and reduce unnecessary traffic. Smis conformant provider software for hitachi data systems. To create a storage group simply go to host storage group section.
Lun masking is similar to zoning in the sense that both are used to provide a way of access control. This is the hitachi device manager storage navigator. The hitachi hus vm storage system can support lun masking to enable. Lun masking storage array and esxi in vmware vsphere vmworld. Lun masking is implemented primarily at the hba host bus adapter level. Design and implementation of san which includes installing and configuring of hitachi storage boxes and fiber channel switches. 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. Lun management at the heart of san configuration searchstorage. Check the fabric information on each oracle vm server that has access to the san hardware. The hiring process at hitachi data systems included two telephonic interviews and five on site interviews. Lun masking implemented at this level is vulnerable to any attack that compromises the hba. Additionally, techniques such as lun masking and lun zoning can be used to dictate. This unified management framework for all hitachi storage systems consists of an integrated suite of products.
Selective storage presentation on the msa type storage is lun masking. Round 1 two telephonic interviews i had two phone screenings or interviews. The dx60, dx80 and dx90 systems easily compete with the emc ax4, hitachi sms, hp. 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.
Lun masking is an integral part of host lun presentation along with lun mapping. Hitachi universal storage platform user and reference guide. In the hitachi freedom storage 5800 subsystem, a total of 64 luns can be. Hi, a 9980 fc port is shared between a windows and a unix server. Hi team can you please tell me hitachi equivalent of xp24000, xp12000, and p9500.
If you are not sure what storage group is and why we actually need it, go thru this post. Rajesh chavan technical consultant hitachi vantara linkedin. While allocating the space to server no actual storage space or physical space is allocated the server or application. In a wellmanaged san, users should be aware only of those files to which they have access. To mask luns on an esxi host, use the hds storage navigator software for best results. Lun logical unit number masking is an authorization process that makes a lun available to some hosts and unavailable to other hosts. Logical units and target ports on hitachi hus vm systems ibm. 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. Mapping within a storage controller lun masking at the storage controller level allows a storage subsystem to mask its own luns. Lun masking is mainly implemented at the host bus adapter hba level. For example, hdss freedom storage 7700e contains a lun masking utility in its storage controller. Smis conformant provider software for hitachi limited snia. Emc vnx access logix, lun masking and storage groups. Ilham ramanda storage engineer hitachi data systems.
Ability to research, specify, order and plan equipment layout and interconnectivity. Experience with hitachi storage management software a plus. Lun masking can be used with iscsi storage and fibre channel storage. As a feature of storage virtualization sv, lun masking has numerous customer benefits such as security and configurable lun presentation. View rajesh chavans profile on linkedin, the worlds largest professional community. 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. On the first place check if you are actually able to see the lun from esxi storage device tab. This paper describes and clarifies dynamic provisioning to help and understand the tasks involved in hitachi dynamic provisioning hdp. Official smis ctp test results hitachi limited view test results for smis which are older than smis 1. Opensystems host attachment guide hitachi data systems. Hardware replacement activity such as disk, sfp and cache memory replacement. Access logix is a storage systembased licensed 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. Hitachi virtual storage platform vsp g series hitachi vantara.
Zoning and lun masking are often confused for each other, probably because both of them are used to restrict access to storage. Lun paths are configured to ports according to the mapping defined in the migration. This document shows you how to configure iscsi advanced acl access control list on qnap turbo nas and verify the settings. Hitachi storage family matrix hitachi unified storage 110 hitachi unified storage. Typically, all lun storage can be managed through one software program that. How to create and access a lun with netapp and microsoft windows 2012.
The hitachi hus vm system has a maximum lun size of 60 tb and eight fibre channel ports luns. Each hitachi hus vm can export 4096 luns to the system. Storage provisioning, lun management, lun masking, zoning, performance management and. You should have called the new lun something that makes sense eg. If you want to specify only certain hosts from accessing a storage device then you would want to setup zoning. Hitachi virtual storage platform vsp g series hitachi. On the storage side, is the lun masking done properly. On the hitachi storage navigator, complete the following steps. This vmware vsphere video training course by vikas singh. 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. Existing storage from multiple vendors can now be centrally unified in a shared pool of data. 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. 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.
Hosts can be in the same zone but only one can access a given lun because of lun masking. It should be a simple matter of redoing any lun masking on the san storage array. 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. Explore logical unit number lun storage and its role in san management. The hitachi hus vm system has a maximum lun size of 60 tb and eight. 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. Zoning allows you to selectively group your storage and your host or hosts so that they can see the storage array. Lun masking lun masking is the process of masking or hiding luns from hosts that shouldnt see them or have access to them. Lun storage and its role in san management computer weekly. Mar 28, 2002 san approaches to lun security rick cook. Also check for jobs with similar skills and titles top hitachi storage jobs free alerts. Lun masking is implemented primarily at the hba host bus adapater level. Find answers to ibm san what is lun masking from the expert community at experts exchange. This company has tested more than one smi enabled software.
This is usually done in part by masking off the logical units or luns that arent legitimately available to the user. 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. A volume is referenced by the id or the name of the ldev. There are no issues with mixing workloads or server types in this setup. Is it possible to hide unix luns from windows in controller side. 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. The san would prevent certain devices from seeing a specific lun that it is hosting. Learn how to create a lun, how to share a lun, and find out about lun provisioning and lun masking. It consists of a group of wwns which are allowed to access a given lun. Lun creation and lin masking from storage to the servers.
Workaround when luns are not visible with hitachi storage. Hitachi command suite software is an unified management framework for advanced data and storage management that improves operations, provisioning, service levels, data. Introduction in a clustered network environment, multiple iscsi initiators. This is the hitachi device manager storage navigator users configure an vsp g or f series controllers via software installed on a gui server. Short description hitachi storage administrator 6 to 9 years mumbai qualifications any full. Quizlet flashcards, activities and games help you improve your grades. 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. San storage interview question solutions experts exchange. Portbased lun masking is granular to the storage array port, so any. 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. Some storage devices have lun masking utilities and can combine with the switch to mask its own luns. Nov 03, 2011 hitachi dynamic provisioning hdp with hdp, we club the luns and create a pool of disk space.
Switch zoning for hitachi hus vm systems ibm knowledge center. Lun masking is important because windows based servers attempt to write volume labels to all available luns. Hcs improves administration, operations, data mobility, monitoring, and resilience for hitachi virtualized storage environments. What i am looking for is in other words a lun masking service based on clients ip address, hostname, wwpn or. How to configure iscsi advanced acl on qnap turbo nas. I am trying to determine the lun ids of my disks as seen by the storage admin on the switch. Hitachi virtual storage platform g hitachi virtual storage platform hitachi unified storage vm hitachi universal storage platform vvm.
Which is a better fit for a storagearea network san fabric. Storage portfolio flash and storage solutions hitachi vantara. The hyperv nodes will utilize ms software iscsi initiators. Currently, there are four approaches to providing lun security. To prevent multipathing driver incompatibility issues, avoid connecting a host to both.
In effect, it presents a virtual storage system to each host. Hitachi storage job openings apr 2020 31 active hitachi. 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. I believe that another reason to use both zoning and masking is when connecting nonclustered devicesservers, which need access to same lunstorage devicetarget. Configure path optimization features alua or similar on your disk subsystem, if so instructed by your vendors documentation. This storage solution is also available from sun and as hp xp storage. See the complete profile on linkedin and discover rajeshs. Is it possible to create a lun of small size, say 5gb and check if the lun is visible on esx side. Lun masking is normally performed at the storage controller level. Rajesh chavan field services engineer hitachi data. 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. 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.
Configure virtualization and storage replication with hitachi storage system. Coordinating maintenance task with customer and principal administration of wintel and unix servers to support storage. Hitachi hus vm systems identify exported logical units through scsi identification descriptor type 3. You may have zoned a server and storage subsystem together, but you may not want the server to see all of. 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. If the storage doesnt allow visibility of the lun to a particular host then it doesnt even exist as far as the host is concerned. 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. 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. 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. Hitachi vantara hitachi virtual storage platform g200 vsp. Management, maintenance and implementation of hitachi storage environment vsp.
Storage zoning vs lun masking online computer tips. Dx60dx80dx90 are the entrylevel series of the fujitsu eternus family of disk storage. Netapp storage l3, hitachi storage l3, mandatory and emc storage. 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. Physical space is allocated as and when it is required, or rather when actual data is written to the lun. View and download hitachi storage manuals for free. 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. A lun is required to be presented to svc before svc will detect the controller. This can render the luns unusable by other operating systems and can result in data loss.
Lun masking adds a finer level of control to zoning. But it is worth noting that volume is also often used to describe groups of several luns created with volume manager software. We have our new host added to the storage system not physically connected, but thats ok. This feature lets you enable data access and create storage groups on shared storage systems. The vsp g or f series controllers storage systems support lun masking to enable. Lun security enables lun masking by the worldwide node name wwnn of the initiator port. 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. As a feature of storage virtualization sv, lun masking has numerous customer benefits such as security and configurable lun. Logical units and target ports on hitachi hus vm systems. Storage administrators configure, implement, and manage ongoing operations of several servers simultaneously via a storage area network. 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.
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