Changing Web Hosts? Know-How With This Step-By-Step Guide
Every
webmaster cringes at the thought of moving hosts. Like moving your home it can
be messy and sometimes problems arise. But if you follow these simple steps,
your move will be less painful.
Backup
Backup Backup
If
you’ve been diligent with your backups, you’ve got a lot of insurance to fall
back on yet always make the latest backup. If you haven’t, before you do
anything else, do a backup now. Backup anything and everything you can and
don’t forget your database if your site relies on it. Save at least 2 copies
and store them separately. One for you to work with, and the other as an
archive. Do not underestimate how easy it is to copy over these files as you
make changes or simply mess it up.
If
you’re moving to a host who has as different control panel, make a manual
backup by downloading all your files because different control panels may not
be able to restore the backups made by your old host. They also have different
directory structures so your file trees will be in a mess. If you need to, make
a small note file with notepad with memos for you to remember the old server
configurations. This will help you as you make changes on your new host server
and save the confusion moving back and forth between hosts. Remember to make
the correct transfer type (ASCII or Binary) as you download. If your download
is not right chances are you’ll have a tough time getting your site to work on
the new host server.
If
server logs are especially important, remember to backup those too. There is no
good way of moving logs yet because different hosts may log statistics
differently. So the best thing to do is to download it and use a log analyzer
on your computer to make references to later on.
Gather
Odds & Ends
1.
A Good
FTP program which you should have by now
2.
Get
your new host server’s DNS
3.
It’s
also helpful to have a script that tells you the server environments installed
on your new host server for quick references.
4.
Get the
temporary URL on your new host so you can check your site before you make a DNS
change.
5.
If you
have your host control the domain inform them not to change your DNS until you
tell them to.
6.
If you
run scripts:
Get a
copy of the original installation guide and the script. Sometimes after moving
the scripts just do not work right so you might need to install the script from
scratch.
Get a
list of all the server paths such as Perl, Sendmail and home directory on your
new server.
If your
script needs special server modules or programs ensure they are installed and
where. Even though these might be covered before you ordered the account with
the host but sometimes your host has removed it or haven’t installed it yet.
Inform
Your Visitors
It
is common and good practice to inform your visitors and customers of the server
move. If you run a e-store, this helps assure your customers you have not fled
with their money if there is any downtime. Also give an alternate email so you
won’t lose emails in the transfer. You might also want to give periodic updates
prior, during (if there is downtime) and after. If your site is large, doing
this is helpful because your visitors can alert you whenever there is a part of
the site not working.
Moving
Day
Try
to schedule the move at a time where there’s least traffic. Backup again just
before you do the move so you’ll have the latest data. Start by first copying
or creating your custom error pages onto the new host server. Put a small note
in there about the move. You can always remove it later. Then upload the most
visible parts of the site first i.e the main pages then move on to the less
critical parts of the site. If you have a large site with many divisions you
might want to split them across different days and instead move the least
critical first. Just ensure you always do a backup before you do any moving.
Use the temporary URL to check your site, visiting as many pages as you can.
Changing
DNS
Once
you’re satisfied, change your DNS over. This typically takes about 24-48 hours
so you have time to make some minor changes if need be. You might want to also
take this time to modify your old site’s error pages to inform your visitors of
the move and give a new URL if there are URL changes. To help you determine if
the DNS has resolved, make a small change on the new pages to differentiate between
the old and the new.
Monitor
After
you’ve moved and the DNS resolved, do not release the old account yet. Keep it
as long as two weeks running concurrently. Go back and check the old servers
for activity. Check your old email account and if you have a web based contact
method on the old server check to see if any communication is left there. Once
you’re comfortable all email and traffic is correctly directed to the new host
server, you can cancel that account.
Boris Mordkovich is the Director of Operations for MordComm, Inc., a New York-based firm that develops and operates online ventures that help small to mid-size businesses succeed in their online ventures. Their properties include:
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