Data Storage Blog


Random vs. Sequential explained.
iSCSI, RAID

Random vs. Sequential explained.

Very often, storage product users do not know what kind of performance numbers to expect in real operations. Why do storage vendors claim such great performance when measured by an ...

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How Much Storage Can You Squeeze to 4U?
Hardware

How Much Storage Can You Squeeze to 4U?

Last week I visited WHD2011 (World Hosting Day) in Rust, Germany. As usual there was plenty of interesting news and lots of ideas on how computing is going to develop ...

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Just how important is write cache
Backup

Just how important is write cache?

Recently saw the following problem from a customer: They are using Acronis Backup to store their backup on a server powered by DSS V6. From time to time the backup ...

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It is Impossible to Delete This File!
Backup, Data Protection

It is Impossible to Delete This File!

This short story is about how important backing up your data is and how sometimes incidents that people have with regards to data loss or having a second copy of ...

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Open-E Overview
iSCSI, Open-E Legacy Products

Ping-Node – explained.

We wanted to provide you an in-depth explanation of the Ping-Node offering clarifications on its function and usage. Incorrect Ping-Node configuration and functionality can cause problems with HA clusters. The ...

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What you can expect from SSD
Hardware, RAID

What you can expect from SSD?

Hard disk performance is limited by mechanical parts velocity and there is no solution for this issue. Servers are using RAID for redundancy and for performance. Thanks to RAID technology ...

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Shared storage for Linux servers - quickly and painlessly
Hardware, iSCSI

Shared storage for Linux servers – quickly and painlessly

How to provide access to shared data using Linux based servers and cluster file system? In this post we are going to present quick and painless way to configure the ...

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A Few practical tips about IOmeter
Tips & Tricks

A Few practical tips about IOmeter

There are plenty of benchmarking tools available but storage professionals mostly use IOmeter. Unfortunately IOmeter is a little tricky to use. You really need to read the user manual first. ...

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