DASD ( Direct Access Storage Device) Definition

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May 17, 2008

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DASD

-- 10 Vendor Reports

ALSO CALLED: Direct Access Storage Device
DEFINITION: DASD, pronounced DAZ-dee (Direct access storage device), is a general term for magnetic disk storage devices. The term has historically been used in the mainframe and minicomputer (mid-range computer) environments and is sometimes used to refer to hard disk drives for personal computers. A redundant array of independent disks …
Definition continues below.

Recent Vendor Reports on DASD
Your request for DASD resources returned limited or no results. The request has been expanded to include Disk Storage Systems resources.

Best Storage Products of 2007 sponsored by Storage Magazine JOURNAL ARTICLE: Posted: 18 Feb 2008 \| Published: 01 Feb 2008 SUMMARY: If there's a lesson to be learned from the 2007 Storage magazine and SearchStorage.com Products of the Year, it's that vendors can't rest on their laurels. TOPICS: Backup Server Hardware \| Backup Software \| Backups \| Business Continuity Planning Software \| Disk Storage Systems \| Storage Appliances \| Storage Hardware

Buying Update: Storage Managers' Purchasing Plans sponsored by Storage Magazine JOURNAL ARTICLE: Posted: 18 Oct 2007 \| Published: 01 Oct 2007 SUMMARY: The fall 2007 edition of Storage magazine's exclusive Purchasing Intentions survey reveals some subtle changes in storage managers' buying plans as new technologies gain greater consideration. TOPICS: Disk Storage Systems \| iSCSI SAN \| Storage Capacity \| Storage Security \| Storage Spending \| Storage Virtualization \| Surveys \| Tape Libraries

Best Practices: Pull the Plug on High Energy Costs sponsored by Storage Magazine JOURNAL ARTICLE: Posted: 17 Sep 2007 \| Published: 01 Sep 2007 SUMMARY: Storage systems account for a big chunk of the data center electric bill. Here are some ways to reduce your costs. TOPICS: Cooling Capacity \| Data Center Management \| Disk Storage Systems \| Storage Capacity \| Storage Spending

Ensuring Protection and Availability for Microsoft Exchange sponsored by Double-Take Software WHITE PAPER: Posted: 20 Jul 2007 \| Published: 15 Dec 2006 SUMMARY: Regardless of your job, you most likely have an interest or dependence on email. Without it, productivity comes to a crawl or stops completely. Discover how to efficiently protect your Exchange environment. TOPICS: Business Continuity Planning \| Continuous Data Protection \| Continuous Data Protection Software \| Data Recovery \| Data Replication \| Disaster Recovery \| Disk Storage Systems \| Email Management \| Email Management Software \| Microsoft Exchange \| Tape Backups

Catching up with Deduplication sponsored by Storage Magazine JOURNAL ARTICLE: Posted: 29 Jun 2007 \| Published: 01 Jun 2007 SUMMARY: Deduplication backup products differ in how they recognize and reduce duplicate data. Here's how to pick the product that will best fit into your environment. TOPICS: Backup Software \| Backups \| Disk Storage Systems

Storage Managers in Control sponsored by Storage Magazine JOURNAL ARTICLE: Posted: 18 May 2007 \| Published: 01 May 2007 SUMMARY: There may be a slight respite for storage managers who have spent the last few years trying to keep up with runaway storage growth, according to the results of Storage magazine's spring 2007 Purchasing Intentions Survey. TOPICS: Disk Storage Systems \| iSCSI SAN \| Storage Capacity \| Storage Industry \| Storage Infrastructure \| Storage Security \| Storage Spending \| Storage Switches \| Surveys \| Tape Libraries \| Tiered Storage

Midrange Rivals Top Dog sponsored by Storage Magazine JOURNAL ARTICLE: Posted: 18 May 2007 \| Published: 01 May 2007 SUMMARY: It's getting harder to distinguish between a low-end enterprise array and a high-end midrange array--but there are still some important differences. TOPICS: Disk Storage Systems \| Hardware Selection \| Serial ATA \| Storage Controllers \| Vendor Selection

Negotiating for Support sponsored by Storage Magazine JOURNAL ARTICLE: Posted: 18 May 2007 \| Published: 01 May 2007 SUMMARY: You'll almost always get a better price for maintenance and support if you negotiate service contracts separately from the price of new arrays. TOPICS: Contract Management \| Contracts \| Disk Storage Systems \| Negotiation \| Storage Industry \| Storage Management Services \| Storage Service Providers \| Storage Spending

S2A9550 Archive Solution Industry's Most Reliable SATA Storage Solution sponsored by DataDirect Networks WHITE PAPER: Posted: 18 May 2007 \| Published: 01 Jul 2006 SUMMARY: Across many organizations, the rapid growth of data is outpacing storage budgets. SATA disk based archive storage is the perfect solution. Download this white paper to learn more about disk based archive storage and see if it will work for you. TOPICS: Backups \| Content Archiving \| Content Archiving Software \| Data Management \| Data Management Software \| Data Recovery \| Disk Storage Systems \| Serial ATA \| Tape Drives

Moving to Disk-based Backup? Seven Key Questions to Ask sponsored by ExaGrid Systems, Inc. WHITE PAPER: Posted: 16 Oct 2006 \| Published: 01 Oct 2006 SUMMARY: Backing up to disk instead of tape eliminates the hassles of tape, provides faster backups and restores, improves security and streamlines operations. Learn about the 7 critical questions to ask when considering a move to disk-based backup. TOPICS: Best Practices \| Data Recovery \| Disaster Planning \| Disaster Recovery \| Disk Backups \| Disk Storage Systems \| File Recovery Programs \| Serial ATA \| Tape Backups

DASD DEFINITION (continued): … DASD, pronounced DAZ-dee (Direct access storage device), is a general term for magnetic disk storage devices. The term has historically been used in the mainframe and minicomputer (mid-range computer) environments and is sometimes used to refer to hard disk drives for personal computers. A redundant array of independent disks (RAID) is also a type of DASD.

The "direct access" means that all data can be accessed directly in about the same amount of time rather than having to progress sequentially through the data.
DASD definition sponsored by SearchStorage.com, powered by WhatIs.com an online computer dictionary

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