Back in August, I posted a blog entry that 10 GbE is a lie, as no one who I had talked to had ever gotten more than 400 MB/s (3200 Mb/s), and I asked anyone who had done better to write.  Well, they wrote. Continue reading →

----- Signature and Disclaimer -----

Written by W. Curtis Preston (@wcpreston). For those of you unfamiliar with my work, I've specialized in backup & recovery since 1993. I've written the O'Reilly books on backup and have worked with a number of native and commercial tools. I am now Chief Technical Architect at Druva, the leading provider of cloud-based data protection and data management tools for endpoints, infrastructure, and cloud applications. These posts reflect my own opinion and are not necessarily the opinion of my employer.

A lot of FUD has been passed around lately about the probability of a hash collision when using a hash-only de-duplication system.  What is a hash-only de-dupe system?  What is the real probability of a hash collision in such a system?  Read on to find out. Continue reading →

----- Signature and Disclaimer -----

Written by W. Curtis Preston (@wcpreston). For those of you unfamiliar with my work, I've specialized in backup & recovery since 1993. I've written the O'Reilly books on backup and have worked with a number of native and commercial tools. I am now Chief Technical Architect at Druva, the leading provider of cloud-based data protection and data management tools for endpoints, infrastructure, and cloud applications. These posts reflect my own opinion and are not necessarily the opinion of my employer.

According to a story on Linux.com, Symantec's lawyers sent Michael D. Setzer II, the leader of the open-source project formerly known as Ghost for Linux (G4L), an email "requesting" that he change the name of the project (which has been called simply "G4L" for some time) to something else.  Although the only references to Ghost or Symantec on his website was saying that it had relationship to Symantec or its product, that apparently wasn't good enough for Symantec.  What do I think?  Read on.

Continue reading →

----- Signature and Disclaimer -----

Written by W. Curtis Preston (@wcpreston). For those of you unfamiliar with my work, I've specialized in backup & recovery since 1993. I've written the O'Reilly books on backup and have worked with a number of native and commercial tools. I am now Chief Technical Architect at Druva, the leading provider of cloud-based data protection and data management tools for endpoints, infrastructure, and cloud applications. These posts reflect my own opinion and are not necessarily the opinion of my employer.

I did this podcast a few months ago, but it's now available on searchstorage.com.  It's always interesting to hear what I said a few months ago to see if I still agree with it. Continue reading →

----- Signature and Disclaimer -----

Written by W. Curtis Preston (@wcpreston). For those of you unfamiliar with my work, I've specialized in backup & recovery since 1993. I've written the O'Reilly books on backup and have worked with a number of native and commercial tools. I am now Chief Technical Architect at Druva, the leading provider of cloud-based data protection and data management tools for endpoints, infrastructure, and cloud applications. These posts reflect my own opinion and are not necessarily the opinion of my employer.