North America

Hitachi Data Systems

Hu Yoshida

Hu Yoshida, VP and CTO of Hitachi Data Systems, provides his insight into industry issues, discusses in his own words storage best practices, and provides realistic solutions to real storage problems of current and next generation storage environments.

Archive for the 'CAS' Category

The increasing explosion of data is driving the need to reduce what we store, not only to reduce the capital cost for storage capacity but also to reduce the operational costs of managing an ever increasing amount of data. 
In response the storage industry has developed technologies like compression, single instance store, and de-duplication which are […]

Industry analysts like IDC say that data and storage is growing at about 60% per year. While that is challenging enough, we expect to see a new wave of data requirements that will dwarf the capacity requirements that we see today. That growth will be driven by unstructured data.
In Tony Assaro’s recent blog post, “In […]

When is CAS Not CAS?

Acronyms are so prolific in the IT industry; it often leads to misunderstanding or misinformation.  I recently talked to an analyst who categorized our Hitachi Content Archive Plat form with CAS, which is another vendor’s product. If an industry analyst could be confused than I thought I should post a blog to clarify the difference […]

Metadata, Policies and Logs

I was happy to see Mark Lewis join the blogosphere last month. Mark has made a major impact on the direction that EMC has taken over the past 4 years. Coming from outside, Hewlett-Packard/Compaq, he is considered to be the new guard in EMC. He is writing his own blog, representing his own thoughts and […]

I had another great conversation with Jon Toigo last Friday about Records Management and active archives. Jon, who is always quick to spot new trends, described RIM, Records and Information Managers, as the new rock stars for IT. After the Enron - Arther Anderson debacle, many IT shops, with help from friendly vendors, adopted the […]


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