[hobbit] Migrate hobbit data

Kauffman, Tom KauffmanT at nibco.com
Tue Aug 5 23:22:20 CEST 2008

For each rrd data file - rrdutile dump <filename> >unloaded filename; then move the ascii xml file you just created to the new platform and run rrdutil restore - see the rrd manpages for the proper syntax. And it's not that hard to script the whole process.

Tom Kauffman

From: Roberts, James [mailto:James.Roberts at hants.gov.uk]
Sent: Tuesday, August 05, 2008 8:54 AM
To: hobbit at hswn.dk
Subject: RE: [hobbit] Migrate hobbit data

ok sledgehammer at the ready....what's the work around?

From: Everett, Vernon [mailto:Vernon.Everett at woodside.com.au]
Sent: 05 August 2008 13:36
To: hobbit at hswn.dk
Subject: RE: [hobbit] Migrate hobbit data
Yes, but with a caveat.
If you change architecture, your rrd files might not survive.
If you go like for like e.g. x86 to x86, you should be fine.
However, you will have problems if you migrate from X86 to Sparc, or vice-versa.
There is a workaround, but I would rather have my head set on fire, and put out with a sledghammer.

If you are going to the same OS, and the same hardware, then it's full steam ahead, and f*** the icebergs.
Make sure your new server has all the prerequisites for Hobbit installed.
Install Hobbit. Check it starts, then shut it down.
Now simply shut down the old Hobbit installation, copy the data and config files, and start up the new one.

Your data will include ~/server/etc
And /wherever/you/put/hobbit/data
Don't forget any custom scripts in ~server/ext

Make sure the clients are pointing to the new server.
The easiest way is to change the IP address of the new server to look like the old.
Failing that, change DNS or host lookup to point ot the new server.

You should then be back in business.

From: T.J. Yang [mailto:tj_yang at hotmail.com]
Sent: Tuesday, 5 August 2008 7:15 PM
To: hobbit at hswn.dk
Subject: Re: [hobbit] Migrate hobbit data
a very good entry for FAQ or HOWTO if it is not already in hobbitmon wiki site.


From: Roberts, James<mailto:James.Roberts at hants.gov.uk>
Sent: Tuesday, August 05, 2008 6:00 AM
To: hobbit at hswn.dk<mailto:hobbit at hswn.dk>
Subject: [hobbit] Migrate hobbit data

I am planning to move my hobbit server install to a new server...

If it possible to migrate all the data from the old install to the new one?

James Roberts
IT Consultant - IT Services
Hampshire County Council
Room 415,Elizabeth II Court, The Castle,
Winchester, Hants SO23 8US
Internal HPSN: (200) 5037
Tel: +44 (0)1962 845037
Fax: +44 (0)1962 847434
james.roberts at hants.gov.uk
Web: WWW.Hants.Gov.UK<file:///\\WWW.Hants.Gov.UK>

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