[Linux-cluster] Upgrading filesystem from gfs -> gfs2

[Nate Carlson]

On Tue, 9 Jan 2007, Robert Peterson wrote:
> I wrote a little tool called gfs2_convert whose job is to convert a file 
> system from gfs1 to gfs2.  You just do something like:
>
> gfs2_convert /your/file/system
>
> And after it gives you some warnings and asks you the all-important "are 
> you sure" question, it converts it to gfs2.  Pretty simple, really. 
> But bear in mind that gfs2 is still being worked on, so you should not 
> use it for a production box yet.

Nifty! That's why I asked - I'm rolling out a new cluster, and wanted to 
go GFS1 since GFS2 is still "in the works", but wanted to make sure there 
was an easy upgrade path.. :)

> And always--ALWAYS--back up your gfs1 file system before running the 
> tool, because it's a brand new app and who knows; it might have bugs. 
> I tested it, even under conditions where I would interrupt it during 
> critical phases and restart it, etc., so hopefully it won't have 
> problems.  And if you do have problems, you know who to open the 
> bugzilla up against.  ;)

*grin*

> I also recommend that you run gfs_fsck on your file system first, just 
> in case there's some kind of weird fs corruption that might confuse the 
> tool.

So I guess it's fairly obvious that the FS needs to be offline?

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| nate carlson | natecars at natecarlson.com | http://www.natecarlson.com |
|       depriving some poor village of its idiot since 1981            |
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