Guys: I have done some testing yesterday with the instructions on how to backup/restore an OSCAR installation -- it would be great if you guys can try it out and give me feedback so that we can improve this and potentially wrap this into a script:
http://svn.oscar.openclustergroup.org/trac/oscar/wiki/BackupOSCAR I have filed a ticket on some issues I encountered with oda restore, I hope that DongInn can take a look at it when he has some time :-) http://svn.oscar.openclustergroup.org/trac/oscar/ticket/302 Thanks! Bernard On 3/2/07, DongInn Kim <[EMAIL PROTECTED]> wrote: > Bernard Li wrote: > > DongInn: > > > > Actually, if you re-install OSCAR, and then restore the ODA dump, > > wouldn't that also restore the password to the database? So wouldn't > > you need to restore /etc/odapw? > > > Yes, if /etc/odapw was not touched, you can re-install OSCAR with the > same password (/etc/odapw) and OSCAR would not try to change the > password in /etc/odapw and OSCAR database(user table in mysql database) > because /etc/odapw is already there. Restoring an OSCAR dump file only > restores the database "oscar" and does change any password thing in > "mysql" database. > Anyways, like I said, a user who knows the root password of mysql can > update the OSCAR database password accordingly anytime. So, I would not > need to backup/restore /etc/odapw but would like to find a way to manage > the root password safely instead. > But there was my bad understanding. emptying /etc/odapw may not > re-generate oscar database properly. (I would make this work too if this > is a right thing to do.) > > Come to think about it, you also need to restore the > > /etc/ssh/ssh_host* keys from the image back to the headnode, otherwise > > bad things might happen... this needs testing... > > > OK. > > Cheers, > > > > Bernard > > > > On 3/2/07, Erich Focht <[EMAIL PROTECTED]> wrote: > > > >> Hi DongInn, > >> > >> On Friday 02 March 2007 06:55, DongInn Kim wrote: > >> > >>> Try to remove /etc/odapw or delete the contents of /etc/odapw and then > >>> run install_cluster. > >>> You will see that it will still work. (Of course, if you change its > >>> entry manually, oda would not work.) > >>> > >> AFAIK we push odapw to the clients and allow queries from them. Therefore > >> if > >> the master burned down you might want to use the same odapw on the rebuilt > >> master. Or remember to push it out to the clients... > >> > >> Regards, > >> Erich > >> > >> > >> ------------------------------------------------------------------------- > >> Take Surveys. Earn Cash. Influence the Future of IT > >> Join SourceForge.net's Techsay panel and you'll get the chance to share > >> your > >> opinions on IT & business topics through brief surveys-and earn cash > >> http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > >> _______________________________________________ > >> Oscar-devel mailing list > >> [email protected] > >> https://lists.sourceforge.net/lists/listinfo/oscar-devel > >> > >> > > > > ------------------------------------------------------------------------- > > Take Surveys. Earn Cash. Influence the Future of IT > > Join SourceForge.net's Techsay panel and you'll get the chance to share your > > opinions on IT & business topics through brief surveys-and earn cash > > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > > _______________________________________________ > > Oscar-devel mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/oscar-devel > > > > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys-and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Oscar-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/oscar-devel > ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Oscar-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/oscar-devel
