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How to migrate a very large account

veronicabend

I am migrating accounts from an old cPanel server to a new one.

I'm using Transfer Tool for most accounts, but there is a very large account, which is over 200 GB in size. 

How should I proceed to transfer this account? 

I searched the forums and found some posts but they are several years old, so I am afraid they may be outdated. 

I would also know if I have a way to estimate how long the migration process may take for this account.

Thanks for any help!

Comments

5 comments

Date Votes
  • ffeingol

    I don't know that you'll need to do anything with a big account.  In a nutshell here is what the transfer tool does:

    • Create a backup of the "shell" of the account (no data)
    • Transfers that backup and restores it
    • Runs rsync to copy everything in the site
    • Transfers the databases
    • Runs a second rsync to get anything that changed since the first rsync

    How long it will take depends on what's getting transferred.  100 GB of videos transfers a lot fast that 100 GB of mdir format email (i.e. lots and lots of little files transfer slow).  The best thing to gauge how long it will take is how long other transfers took.

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  • veronicabend
    • Edited

    Thanks for your reply.

    Today I transferred another account which is 20 GB in size, just 10% of the one I am asking about, and it took a little over an hour. 

    So I should expect like 10 hours for this large account.

    This large account has lots of image files, whereas the 20 GB one I transferred today had files but mostly a large database. The large one is large database plus many code files and lots of image files, so not sure if the 10 hours would be an accurate estimate or it would take even longer.

    With such a large process I am concerned about timeouts and also about disk space in the old server. How much free space should I have for the transfer to go through if the account is 221 GB ?

    Thanks for your help!

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  • ffeingol

    First, I'd talk with your provider to see what your NIC speed is.  20 GB in an hour sounds like a 100 MPBS connection.

    As long as the connection between your old and new server is good/stable there is not too much to worry about (connection wise).  It does not really matter f your connection to WHM gets interrupted, the transfer will continue and you can simply look at the transfer history to see the status.

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  • cPRex Jurassic Moderator

    What ffeingol said - I would just try this in the Transfer Tool like any normal account and expect things to go well. 

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  • veronicabend

    Thank you both! I will let you know how this goes. I increased the transfer timeout seconds to 7200 at Tweak Settings just in case. 

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