Author Archives: admin

Setting up truecopy between two VSP arrays

This article is a how-to on setting up replication between 2 enterprise class arrays using TrueCopy. Remember that replication in HDS in unidirectional so setting this from Array A to array B does not mean that array B will be able to replicate data to Array A. You will need 2 type of ports for this replication. The source array ...

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How to change ports settings on VSP

Changing ports settings is useful for setting up arrays, once they are setup you don't need to touch them that often unless you decide that this array will be part of a new replication pair. You can change Port attributes, Port Security, Port Speed, Address, Fabric and Connection type Change ports settings First you need to login to SVP then ...

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How to login to SVP

How to login to SVP

Storage Navigator or Element Manager is a webserver that allows you to perform day-to-day activities on a VSP. You will hear the terms Storage Navigator and Storage Navigator 2. The difference is that Storage Navigator is the software that comes with enterprise class arrays (VSP, USP, etc) while Storage Navigator 2 is the software that comes with modular class arrays ...

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TrueCopy states

TrueCopy states

Normaly in a truecopy replication state we see different codes telling us teh health of the pairs. Here are the most common ones. Don't forget that P-VOL represents the primary volume (the one being replicated) and the S-VOL represents the secondary volume (the one replicating to). TrueCopy states Here are the status states for paircreate/pairsplit and parresync Here is the ...

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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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Overview of insystem replication

Here is another great document (given a bit old from a how-to perspective) that HDS put together to explain the main differences between ShadowCopy and CopyOnWrite Insystem replication http://www.hds.com/groups/public/documents/webasset/system-replication.html?M=insystem-replication-demo

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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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