Alvin, Here is my config: grub.conf: ----------- default=0 timeout=10 splashimage=(hd0,0)/grub/splash.xpm.gz title Red Hat Linux (2.4.18-3) root (hd0,0) kernel /vmlinuz-2.4.18-3 ro root=/dev/md2 initrd /initrd-2.4.18-3.img Partitions: ------------ Disk /dev/hda: 255 heads, 63 sectors, 5005 cylinders Units = cylinders of 16065 * 512 bytes Device Boot Start End Blocks Id System /dev/hda1 * 1 45 361431 fd Linux raid autodetect /dev/hda2 46 810 6144862+ fd Linux raid autodetect /dev/hda3 811 1065 2048287+ fd Linux raid autodetect Disk /dev/hdc: 255 heads, 63 sectors, 5005 cylinders Units = cylinders of 16065 * 512 bytes Device Boot Start End Blocks Id System /dev/hdc1 * 1 45 361431 fd Linux raid autodetect /dev/hdc2 46 810 6144862+ fd Linux raid autodetect /dev/hdc3 811 1065 2048287+ fd Linux raid autodetect mdstat: --------- # cat /proc/mdstat Personalities : [raid1] read_ahead 1024 sectors md0 : active raid1 hda3[0] hdc3[1] 2048192 blocks [2/2] [UU] md2 : active raid1 hda2[0] hdc2[1] 6144768 blocks [2/2] [UU] md1 : active raid1 hda1[0] hdc1[1] 361344 blocks [2/2] [UU] Christian AO> hi ya christian.. AO> did you use "fd" partition type when creating/partitioning the disk ?? AO> what does lilo.conf ( or grub ) look like ?? AO> thanx AO> alvin AO> On Mon, 3 Jun 2002, Christian Schmit wrote: >> >> I installed RH 7.3 on raid1 using the standard >> RH 7.3 GUI setup. >> >> Everything installs fine. According to mdstat >> raid1 seems to be running fine: >> >> # cat /proc/mdstat >> Personalities : [raid1] >> read_ahead 1024 sectors >> md1 : active raid1 hda5[0] hdc5[1] >> 3494016 blocks [2/2] [UU] >> >> md2 : active raid1 hda3[0] hdc3[1] >> 16892224 blocks [2/2] [UU] >> >> md3 : active raid1 hda2[0] hdc2[1] >> 19454592 blocks [2/2] [UU] >> >> md0 : active raid1 hda1[0] hdc1[1] >> 361344 blocks [2/2] [UU] >> >> unused devices: <none> >> >> However when shutting down the system and >> disconnecting the 1st IDE drive I cannot >> boot from the mirrored disk. I assume this >> is because the MBR is not mirrored. >> >> So to see if all the data is present on the >> mirrored disk I launch the "linux rescue" mode >> from the RH7.3 CD but it cannot find any partitions >> to mount from on the 2nd mirrored disk. >> >> Making the same with the primary ide disk works >> fine, in thsi case "linux rescue" can mount all >> partitions. >> >> How can I check if all data is being mirrored >> on the 2nd ide disk? >> >> How do I make the 2nd ide disk bootable? >> (I use grub as bootloader) >> I already tried: >> >> root (hd1,0) >> setup (hd1) AO> - AO> To unsubscribe from this list: send the line "unsubscribe linux-raid" in AO> the body of a message to majordomo@vger.kernel.org AO> More majordomo info at http://vger.kernel.org/majordomo-info.html - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html