Thanks, and checked-in: http://svn.oscar.openclustergroup.org/trac/oscar/changeset/5099
Cheers, Bernard > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf > Of Ted Powell > Sent: Tuesday, July 04, 2006 13:46 > To: OSCAR Users; OSCAR Devel > Subject: [Oscar-users] oscarsamples/*.disk deficiency, 4.2 and trunk > > With the exception of oscarsamples/swraid1-scsi.disk, none of the > oscarsamples/*.disk files use the "bootable" option to mark one of the > generated partitions as bootable. This affects both 4.2 and the trunk. > > With older BIOSes, this is not a problem. At the stage in the boot > sequence where the BIOS is going to attempt to boot from a hard drive, > it will read in the MBR, do some sanity checking, and transfer control > to the MBR code. With GRUB and LILO, the MBR code does not rely on the > presence of a "bootable" flag to decide which partition to boot from; > it has other sources of information. Thus, as long as control is given > to the MBR code, the boot will proceed even if no partition > is flagged. > > However, with some recent BIOSes (for example, the one that > comes with the > Intel 945GNTLKR motherboard), the "sanity check" includes > looking to see > whether some partition has its "bootable" flag set. If there > is no such > partition, control is _not_ passed to the MBR code. Instead, the BIOS > moves on to the next boot device in sequence, typically a > network boot. > > The fix is simply to add the "bootable" option to the /boot > line in each > *.disk file (except swraid1-scsi.disk, which already has it); e.g.: > > --- ide.disk 2006-06-06 17:17:49.000000000 -0700 > +++ ide-new.disk 2006-07-04 13:39:23.000000000 -0700 > @@ -1,4 +1,4 @@ > -/dev/hda1 24 ext3 /boot defaults > +/dev/hda1 24 ext3 /boot defaults bootable > /dev/hda5 512 swap > /dev/hda6 * ext3 / defaults > nfs_oscar:/home - nfs /home rw > > > -- > Ted Powell <[EMAIL PROTECTED]> http://psg.com/~ted/ > "If you don't look, you don't know." > Dr. Sam Ting, Nobel laureate experimental physicist. > > Using Tomcat but need to do more? Need to support web > services, security? > Get stuff done quickly with pre-integrated technology to make > your job easier > Download IBM WebSphere Application Server v.1.0.1 based on > Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&; > dat=121642 > _______________________________________________ > Oscar-users mailing list > Oscar-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/oscar-users > Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Oscar-users mailing list Oscar-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/oscar-users
