Migrating data in NAS gateway configurations

When a storage administrator is preparing for data migration between network attached storage (NAS) gateway systems, the first things they consider are the complexity of the operation and how long it will take to move the data. The more complicated issue is how to maintain data availability during the migration while recovering from any problems that may occur.

A NAS gateway environment has a NAS controller (or NAS head) that is connected to a storage area network (SAN). The SAN is usually a Fibre Channel (FC) infrastructure, and a block storage system will provide the storage resource for the NAS controller, as well as being used for other block storage purposes.

Migrating data from one NAS gateway system to another NAS gateway system is the same as migrating between NAS systems. . .with one exception. Because the

To continue reading for free, register below or login

Requires Membership to View

To gain access to this and all member only content, please provide the following information (all fields required):

First Name:
Last Name:
Country: Select... Afghanistan Aland Islands Albania Algeria American Samoa Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia Bosnia and Herzegovina Botswana Bouvet Island Brazil British Indian Ocean Territory British Virgin Islands Brunei Bulgaria Burkina Faso Burundi Cambodia Cameroon Canada Cape Verde Cayman Islands Central African Republic Chad Chile China Christmas Island Cocos (Keeling) Islands Colombia Comoros Congo Congo, Democratic Republic of Cook Islands Costa Rica Cote D'Ivoire Croatia Cuba Cyprus Czech Republic Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Falkland Islands Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Gambia, The Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Heard and McDonald Islands Honduras Hong Kong Hungary Iceland India Indonesia Iran Iraq Ireland Israel Italy Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Korea, North Korea, South Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Macau Macedonia Madagascar Malawi Malaysia Maldives Mali Malta Man, Isle of Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia Moldova Monaco Mongolia Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands Netherlands Antilles New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island Northern Mariana Islands Norway Oman Pakistan Palau Palestine Panama Panama Canal Zone Papua New Guinea Paraguay Peru Philippines Pitcairn Poland Portugal Puerto Rico Qatar Reunion Romania Russia Rwanda Saint Helena Saint Kitts and Nevis Saint Lucia Saint Pierre and Miquelon Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia and Montenegro Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South Georgia and South Sandwich Islands Spain Sri Lanka Sudan Suriname Svalbard Swaziland Sweden Switzerland Syria Taiwan Tajikistan Tanzania Thailand Timor-Leste Togo Tokelau Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu U.S. Minor Outlying Islands Uganda Ukraine United Arab Emirates United Kingdom United States Uruguay Uzbekistan Vanuatu Vatican City Venezuela Vietnam Virgin Islands Wallis and Futuna Islands Western Sahara Yemen Zambia Zimbabwe
Email Address:

I would like to receive a FREE subscription to Storage magazine online.
YesNo

Do you manage, evaluate, recommend, implement, support or purchase storage products, software or services?
YesNo

What is your average annual expenditure on storage including hardware, software and services?
Please select... $20 million + $10 to $19.9 million $5 to $9.9 million $1 to $4.9 million $500K to $999K $250K to $499K Less than $250K None

What is your role in purchasing?
Technical decision maker
Financial decision maker
Determine need
Evaluate products/services
Recommend and specify products/services
Implement products/services
None

By joining SearchStorage.com you agree to receive email updates from the TechTarget network of sites, including updates on new content, magazine or event notifications, new site launches and market research surveys. Please verify all information and selections above. You may unsubscribe at any time from one or more of the services you have selected by editing your profile or unsubscribing via email.

TechTarget cares about your privacy. Read our Privacy Policy

There are four options for migrating data between the two NAS gateway systems:

For customers choosing one of these four options, the considerations need to be:

About the author: Randy Kerns is an independent storage consultant focusing on storage and storage management software, including SAN and NAS analysis. In the past, he served as vice president of strategy and planning for storage at Sun Microsystems Inc., .

Rate this Tip To rate tips, you must be a member of SearchStorage.com. Register now to start rating these tips. Log in if you are already a member. Submit a Tip BROWSE BY TAG NAS FAQ,   Related information,   Network-attached storage hardware,   Network Attached Storage,   What is network-attached storage?,   Related information,   Tiered storage data migration tools,   Tiered Storage,   SAN/NAS Update,   NAS hardware,   NAS (network attached storage),   VIEW ALL TAGS Digg This!     StumbleUpon     Del.icio.us    RELATED CONTENT Related information Scale capacity with clustered NAS gateways Network-attached storage hardware High-performance NAS speeds file-based storage NAS appliance purchase considerations NAS appliance specifications Related information Why RAID rebuilds obstruct data migration Automated data migration: Choosing technology for ILM Data migration: Proceed with caution Managing data migration among storage tiers RELATED RESOURCES 2020software.com, trial software downloads for accounting software, ERP software, CRM software and business software systems Search Bitpipe.com for the latest white papers and business webcasts Whatis.com, the online computer dictionary DISCLAIMER: Our Tips Exchange is a forum for you to share technical advice and expertise with your peers and to learn from other enterprise IT professionals. TechTarget provides the infrastructure to facilitate this sharing of information. However, we cannot guarantee the accuracy or validity of the material submitted. You agree that your use of the Ask The Expert services and your reliance on any questions, answers, information or other materials received through this Web site is at your own risk.