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  1. #1

    Minimal downtime

    Please forgive me if this is in the wrong forum.

    I'd like to switch my site from one host to another and want to minimize any loss of emails, etc during the switchover.

    Any suggestions?
    - weekends versus weekdays (less traffic days)?
    - 'order of operations' i.e. move site files to new host, set up email addresses, then change DNS info?

    I thank you in advance for any assistance you are able to provide.

  2. #2
    Join Date
    Oct 2003
    Location
    Chattanooga
    Posts
    8,985
    WebMomentum,

    Wrong forum but that said:

    Have your host set the TTL on your domains to about 150-300
    Wait 24 hours
    Migrate (data first, DNS 2nd)

    After the migration change the TTL back up to 14400 after 24 hours.
    David
    Web hosting by Fused For businesses with more important things to do than worry about their hosting.

  3. #3
    Join Date
    Mar 2004
    Location
    Greater Chicagoland
    Posts
    181
    Yes, get all off your software/server programs setup on the new server. Next move all of your data. Then last switch the DNS. If all goes well there should be no downtime.

    Another thing that can help is if you currently have control over your DNS server is to change all your zones to expire after 1 hour, do this 1-2 weeks before you change servers.

  4. #4
    Thanks for the info ..

    Stupid question ... David mentioned TTL (and it's associated values). What does it mean?

  5. #5
    Join Date
    Oct 2003
    Location
    Chattanooga
    Posts
    8,985
    WebMomentum,

    Thats something you'll have to have your current host modify in your DNS.

    You'll have to contact them for further details.
    David
    Web hosting by Fused For businesses with more important things to do than worry about their hosting.

  6. #6
    Join Date
    Jan 2003
    Location
    Lake Arrowhead, CA
    Posts
    789
    What does it mean?
    In this context it means Time To Live: The amount of time (number of seconds) a DNS server waits before removing a cached DNS record. When a client requests an uncached record, a DNS server will check master servers and get updated information. Thus, the shorter the TTL, the faster changes can propagate through the DNS system.
    http://www.srohosting.com
    Stability, redundancy and peace of mind

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