Device Manager

How to refresh a storage array into HCS

feat

Remember that HCS is actually an application that holds it's own database regarding hosts, what they see, what type they are and where they are allocated. However, Strorage Navigator sits more closely to the hardware and admins have the option to perform activities using Storage Navigator as well as Device Manager. The trouble with that is that any changes that ...

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HiCommand LDAP authentication setup

HiCommand

We discussed about HiCommand and that the default user account is system with the password of "manager"... However, that is not very secure so we are looking to add new users and grant them permission on different components. However, we could take advantage of LDAP authentication so we can enable HDS to peform LDAP queries to AD. This way, users ...

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Expanding a LUN

Expanding a LUN

There are two ways to expand a lun. LUSE and Stripped expansion. For the stripped expansion follow this document here it is excellent. I found it one day while browsing the internet , and I didn't find any copyright details in it. Please let me know if you have any idea who put it together. Expanding a LUN Best Practice ...

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Registering a new host

Registering a new host

Hitachi Device Manager needs to know about the clients (or look at them as consumers if you want to) when you allocate space. In order to do so, you need to register those clients. Please note that you are not registering a host in Device Manager, you are registering it in Command Suite. You will be able to migrate data, ...

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Allocate a lun – masking/mapping

Allocate a lun

Allocating a lun it's the process where you present a carved lun to a host or to more hosts (if you have a cluster for example). You do need to know the LDEV id that you want to present and also you need to know what lun number that host will see your ldev. You can present luns in any ...

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Allocate a LUN – carving

createvols1

Hitachi designed the Device Manager so you can always carve a lun for whatever part of the resource tab you are into (and not only). The Create Volume task is available from a multitude of locations throughout the app. Carving is the operation that will take a slice out of a pool and allocate a unique identifier for that slice ...

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How to allocate disk to hosts

addlun3

In computer storage, a logical unit number, or LUN, is a number used to identify a logical unit, which is a device addressed by the SCSI protocol or protocols which encapsulate SCSI, such as Fibre Channel or iSCSI. A LUN may be used with any device which supports read/write operations, such as a tape drive, but is most often used ...

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