On Tue, 2010-11-23 at 22:17 +0100, Tru Huynh wrote: > On Tue, Nov 23, 2010 at 01:04:03PM -0600, David G. Mackay wrote: > > > > (parted) print > > all > > > > Model: Hitachi HDT725032VLAT80 (ide) > > Disk /dev/hda: 320GB > > Sector size (logical/physical): 512B/512B > > Partition Table: msdos > > > > Number Start End Size Type File system Flags > > 1 32.3kB 107MB 107MB primary ext3 boot > > 2 107MB 320GB 320GB primary lvm > > > > > > > > Model: WDC WD450AA-00BAA0 (ide) > > Disk /dev/hdb: 45.0GB > > Sector size (logical/physical): 512B/512B > > Partition Table: msdos > > > > Number Start End Size Type File system Flags > > 1 32.3kB 107MB 107MB primary ext3 boot > > 2 107MB 45.0GB 44.9GB primary lvm > > > > > > > > Model: ATA SAMSUNG HD502HI (scsi) > > Disk /dev/sda: 500GB > > Sector size (logical/physical): 512B/512B > > Partition Table: msdos > > > > Number Start End Size Type File system Flags > > 1 32.3kB 105GB 105GB primary ext3 boot > > 2 105GB 500GB 395GB primary ext3 > > 3 500GB 500GB 107MB primary ext3 > > > > > > Error: Unable to open /dev/md0 - unrecognised disk > > label. > > shouldn't have boot,raid flags on the members of tour /dev/md0 array? > > cat /proc/mdstat > df -P > cat /grub/grub.conf (from hda1) and from hdb1 [root at vorpal ~]# cat /proc/mdstat Personalities : unused devices: <none> [root at vorpal ~]# df -P Filesystem 1024-blocks Used Available Capacity Mounted on /dev/sda1 99188468 4853368 89215188 6% / /dev/sda2 373793320 235981428 118517828 67% /home/dave /dev/hda1 101086 25176 70691 27% /boot /dev/sda3 101105 5665 90219 6% /boot2 tmpfs 647588 0 647588 0% /dev/shm /dev/hdc 4087030 4087030 0 100% /media/CentOS_5.5_Final [root at vorpal ~]# cat /boot/grub/grub.conf # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /boot/, eg. # root (hd0,0) # kernel /vmlinuz-version ro root=/dev/sda1 # initrd /initrd-version.img #boot=/dev/hda default=0 timeout=5 splashimage=(hd0,0)/grub/splash.xpm.gz hiddenmenu title CentOS (2.6.18-194.26.1.el5) root (hd0,0) kernel /vmlinuz-2.6.18-194.26.1.el5 ro root=LABEL=/ rhgb quiet psmouse.proto=bare initrd /initrd-2.6.18-194.26.1.el5.img Following is boot from hdb [root at vorpal ~]# cat /mnt/util/grub/grub.conf # grub.conf generated by anaconda # # Note that you do not have to rerun grub after making changes to this file # NOTICE: You have a /boot partition. This means that # all kernel and initrd paths are relative to /boot/, eg. # root (hd1,0) # kernel /vmlinuz-version ro root=/dev/VolGroup01/LogVol00 # initrd /initrd-version.img #boot=/dev/hda default=0 timeout=5 splashimage=(hd1,0)/grub/splash.xpm.gz hiddenmenu title CentOS (2.6.18-194.26.1.el5) root (hd0,0) kernel /vmlinuz-2.6.18-194.26.1.el5 ro root=LABEL=/ rhgb quiet psmouse.proto=bare initrd /initrd-2.6.18-194.26.1.el5.img title CentOS (2.6.18-194.17.1.el5) root (hd0,0) kernel /vmlinuz-2.6.18-194.17.1.el5 ro root=LABEL=/ rhgb quiet psmouse.proto=bare initrd /initrd-2.6.18-194.17.1.el5.img title CentOS (2.6.18-194.11.3.el5) root (hd1,0) kernel /vmlinuz-2.6.18-194.11.3.el5 ro root=/dev/VolGroup01/LogVol00 rhgb quiet psmouse.proto=bare initrd /initrd-2.6.18-194.11.3.el5.img title CentOS5.5 (2.6.18-194.el5) root (hd0,0) kernel /vmlinuz-2.6.18-194.el5 ro root=LABEL=/ rhgb quiet psmouse.proto=bare initrd /initrd-2.6.18-194.el5.img Thanks, Dave