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freebsd 9.2 unmount file system

Posted on 2014-04-26
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Last Modified: 2016-02-11
Hi.  I have successfully used gpart to increase the size of my file partition.  Now, I need to use growfs to increase the size of the file system.  

In order to grow the root file system the it needs to be unmounted.

How do I boot into freebsd with the file system unmounted so that I can do this?
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Question by:hmcnasty
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by:arnold
ID: 40025853
Use a FreeBSD boot disk.
Depending on your partitioning and what you need to unmount.
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by:hmcnasty
ID: 40025855
Ok.  Thanks. I have the ISO I used to install FreeBSD.  How do I make a boot disk?
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jlevie earned 500 total points
ID: 40025882
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by:hmcnasty
ID: 40025936
I found this:

 A live CD of FreeBSD is available on the same CD as the main installation program. This is useful for those who are still wondering whether FreeBSD is the right operating system for them and want to test some of the features before installing.

How do I get to the part of the CD I need?
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by:jlevie
ID: 40025952
See the URL above.
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by:hmcnasty
ID: 40025954
I did.  In fact the excerpt above is from that web page.  It says to boot into the live cd but I don't  know how to do that.
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Expert Comment

by:arnold
ID: 40025971
You boot the system in the live demo mode.  Then you can perform the action of growfs on the real Harddrive.

Presumably you have a backup from before you went through the initial step.

growfs /dev/sda1 if that is the partition you expanded.
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Author Comment

by:hmcnasty
ID: 40025995
Thanks.  It worked?   I couldn't get my iso to boot into the live demo mode.  So, I downloaded a premade live cd iso and used that.  worked like a charm.

I can't thank you enough.

Wes
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