Storage in general:
2003 will be a good year for commodity storage hardware companies. End users still say that their storage needs are increasing (60-80% is not uncommon) and yet disk sales were down in 2002. 2003 will see a release of a lot of that pent-up demand but companies will be smart and spend its dollars on regular disks, without all the bells and whistles.
Availability needs will not decrease so the organizations that purchase low-end disks will obtain their high-end functionality (replication, mirroring, etc.) through software.
Blade servers will see wider deployment in critical production environments. Blade servers are small, cheap, single purpose systems, often running Linux that can be easily deployed in large quantities. Managing large numbers of systems can be tricky, but clustering software can be re-purposed to help with the management.
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