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Eric Lilleness

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Storage Consultant, Independent

20 points

Enterprise Computing - Unix
Data Protection Specialist

Oct. 28, 2010

Eric Lilleness and 1 other person answered this question

Data Backup: What are your "must haves?"

Hey Mike - be sure that the success/failure of your backups are monitored & that failures get resolved quickly more

Information Technology

Disaster Recovery

Disaster Recovery System

Recovery

2 more topics

Oct. 27, 2010

Eric Lilleness answered this question

What should my disaster recovery plan address?

Hi Chris.
You need a separate plan for each disaster you want protection from. You may have regulatory requirements dictating what types of failures you need protection from. Otherwise perform due diligence and implement protections appropriate for your business. A VAR dealing in data protection can ... more

Information Technology

Data Backup

Data Management System

Data Protection

4 more topics

Oct. 22, 2010

Eric Lilleness and 1 other person answered this question

What is the difference between Network Attached Storage and Storage Area Network?

The biggest difference is what kind of storage device each (NAS & SAN) looks like to your host.
NAS presents a filesystem device to the host. Windows people call this a "Network Share". If I put the home directory's/folders of all 1000 users in my company ... more

Information Technology

Data Center

Data Center Design

Data Center Development

4 more topics

Oct. 12, 2010

Eric Lilleness answered this question

What is a hierarchical storage management system?

Hi Tim. This wiki link is a little outdated but conceptually accurate:
http://en.wikipedia.org/wiki/Hierarchical_storage_management.
Basically HSM puts really important data (Tier I) on really fast, really reliable & really expensive storage (Tier I storage like high-end EMC & HDS systems).
At some point in time this really important data ... more

Information Technology

Hierarchical Storage Management

Servers and Storage

Sept. 2, 2010

Eric Lilleness and 1 other person answered this question

What does a “complete” data storage solution consist of?

Hi Ralph. I think that what your boss means by "complete" data storage solution (for an 85 person company) is something like a NAS device that provides basic RAID disk failure protection and snapshot-based replication technology. If you use any sort of replication technology you ... more

Information Technology

Data Storage

Servers and Storage

Aug. 8, 2010

Eric Lilleness and 4 other people answered this question

Cloud-based servers and storage: what do you recommend and why?

wikipedia gives a great definition of cloud computing calling it an internet based paradigm shift of the old mainframe time-share days.
If you have data and applications that can live on the internet, go for it. A better way to put this is if are in ... more

Information Technology

Aug. 8, 2010

Eric Lilleness and 2 other people answered this question

Are mainframes still relevant, and if so, in what contexts?

Rick's answer is outstanding. As a Data protection consultant I see mainframes in use all the time. Unlike Rick I do not have a great understanding of exactly what customers are using them for. Rick says they are a great platform for centralized processing of ... more

Information Technology

Mainframes

Managing Data Centers

Servers and Storage

Aug. 8, 2010

Eric Lilleness answered this question

Are shorter projects always better?

Hi Michael. First off I would say that if a project is made shorter by eliminating/reducing steps, risk is increased not decreased. This is a general statement and made assuming that the reduced/eliminated steps serve some purpose. I architect & implement Data Protection solutions. Often ... more

General Management

Information Technology

Operations

Sales

7 more topics

Aug. 4, 2010

Eric Lilleness answered this question

Off-Site IT Storage Basics

Most folks would put this data on magnetic tape & store it with a company called Iron Mountain.
Most folks would use their backup application to perform this. That way the backup application will keep track of what files are on what tape. If you ever ... more

Information Technology

Hosted Servers

IT Storage

Office Storage Network

2 more topics

May 14, 2010

Eric Lilleness and 4 other people answered this question

How expensive are fibre channel storage networks?

Hi Elisa. Fiber Channel will always be more costly. The switches can be very expensive.
If you currently have a bunch of servers with locally attached disks, changing to some sort of networked storage offers benefts:
(1) Your disks are enclosed in a "highly available cabinet" with ... more

Information Technology

Fibre Channel San Networking

Fibre Channel Storatge

Networking

3 more topics

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