This table is compiled from a wide variety of sources and is intended to serve as a planning guideline for storage and data management planning activities.
Compiled by: Fred Moore, President
Horison Information Strategies
Last Updated: September 2009
| CATEGORY | RESULTS |
| Average annual digital storage demand rate (primary occurrence of data, all platforms) | 35-40% for all data (2010-2011) 20-25 for production data >60% for fixed content, compliance and archive |
| Amount of digital data stored on Unix, Windows and Linux systems WW | >90% |
| Average disk allocation levels for z/OS (eSeries mainframes using DFSMS suite) | 60-80+% |
| Average disk allocation levels for iSeries (AS/400 servers) | 60-75% |
| Average disk allocation levels for Unix/Linux systems | 30-45% |
| Average magnetic disk allocation levels for Windows systems | 25-40% |
| Average annual disk drive areal density increase | 35-50% |
| Average annual disk drive performance improvement (seek, latency and data rate) | <4% (mostly from data rate, as any seek time improvement is minimal) |
| Increase in disk drive capacity per actuator since the first disk drive in 1956 | 400,000x (5MB to 2000 GB or 2 TB) |
| Increase in native tape cartridge capacity since the first tape cartridge in 1984 | 5,000x (200MB to 1,000 GB or 2.0TB compressed @ 2x) |
| Recommended data center power consumption level | 100 - 500 watts per square foot |
| Power usage breakdown in typical data center | Chiller – 33%, IT gear – 30% (servers = 35%, storage = 30%), UPS – 18%, AC – 9% |
| Average cost to build a Tier 3 data center | ~$500 per square foot |
| Electricity consumed by hi-density blade servers | >7kW/rack and > 30kW/enclosure |
| Annual average rate increase in US for electricity | 15 - 40% (depending on geography) |
| Who gets the IT energy bill? | Facilities team – 56%, IT team only 3% |
| Average tape cartridge utilization levels for integrated virtual tape systems | 60-80% |
| Typical range of non-mainframe disk data managed per administrator | 500GB – 28TB |
| Typical amount of disk data managed per administrator (z/OS, mainframe) | >75 TB |
| Estimated range of automated tape data managed per administrator (all platforms) | 40TB to >1EB (varies widely based on library size) |
| Percentage of storage staff (non-mainframe) time spent on storage provisioning | 22% |
| Percentage of storage staff (non-mainframe) time spent on storage migrations | 13% |
| Percentage of storage staff (non-mainframe) time spent on backup administration | 11% |
| Annual growth rate of unwanted e-mail message traffic | >350% |
| WW number of mainframe machines installed (2008) | 8,000 – 9,000 |
| WW number of mainframe sites | ~4,500 |
| Maximum possible distance from primary data center for synchronous replication | 50 miles |
| Number of new mainframe customers since 2000 | 500 |
| Percentage of customers retaining e-mail archives over 7 years | 9% |
| Percentage of all e-mail traffic that is unwanted material | ~90% |
| Percentage of attacks form e-mail virus | 68% |
| Percentage of all companies that don’t expect to move data to the cloud | 61% (July 13 09 CW survey – p27) |
| Where does the CIO report? | 41% to CEO/pres, 23% to CFO, 16% to COO |
| Percent of companies citing employees as the most likely source of hacking | 77% |
| Percentage of US adults with more than 200GB of storage capacity | 10% (approximately 30 million) |
| Percentage of digital data stored on removable media (primarily magnetic tape) | ~75% |
| Percentage of digital data stored on mobile (portable/personal) technologies | 50-60% |
| Number of new (1st round) data storage companies funded in 2000 | 92 |
| Number of new (1st round) data storage companies funded in 2007 | 5 |
| Number of storage acquisitions in 2008 | 67 |
| Number of new small businesses created in the US in 2005 | 550,000 |
| Average revenues of InformationWeek 500 companies in 2008 | $11.03 B (was $9.0B in 2004 and $12.4B in 2001) |
| IT as % of revenues in 2001 Fortune 1000 | 3.88% |
| IT as % of revenues in 2008 Fortune 1000 | 2.80% (declining as a % of revenue) |
| Percentage of IT organizations managing more than 10TB of disk data | 39% |
| Average percentage of IT budget in the US spent on IT salaries and benefits | 32% |
| Average percentage of IT budget in the US spent on compliance | 5% |
| Average percentage of IT budget in the US spent on hardware | 16.3 % (projected to be 13.9% in 2011) |
| Average percentage of IT budget in the US spent on services | 23.3% (projected to be 29.7% in 2011) |
| Average percentage of IT budget in the US spent on personnel | 19.8% (projected to be 12.7% in 2011 - only if health-care costs are not covered) |
| Average percentage of IT budget in the US spent on support and maintenance | 4.3% (projected to be 4.8% in 2011 - includes energy) |
| Number of mid-market firms in the US in 2005 (100-999 employees) | 93,876 |
| Percentage of all IT jobs in businesses with fewer than 99 employees | 72% |
| Percentage of WW IT workers considered mobile in 2009 | 30% |
| Projected size of India’s IT services industry in 2010 | $60 B |
| Percentage of businesses who perform a regular interval DR testing plan | 52% |
| Percentage of businesses who test DR plan once per year | 26% |
| Percentage of businesses who only test mission-critical apps for DR | 47% |
| Percentage of businesses who test all apps for DR | 22% |
| Percentage of businesses who take backup tapes offsite daily, weekly, and monthly? | Daily – 56%. Weekly -32%. Monthly - 4%. |