I have bought two 1 TB harddisks and one 2 TB harddisk (backup). I want to use the 1 TB harddisks in a RAID 0 array (Intel ICH8R Fakeraid).
OS: Win XP SP3, Win 7, Ubuntu Linux 9.10 32 Bit My partition plan 1: P ntfs 300 GB Windows XP SP3 32 Bit P ntfs 300 GB Windows 7 32 Bit E L swap 2 GB Linux swap L ext4 250 GB Ubuntu Linux 9.10 (Karmic) 32 Bit L ntfs 1100 GB data (for data exchange and storage) L ext4 48 GB spare space for testing of new OSes I wanted to install Linux, then create the data partition with Win XP SP3 Disk Management Tool. The Linux install failed because Ubuntu wanted to install GRUB1 which is not part of the install CD. I wonder that Ubuntu uses GRUB2 at all at the moment because the FakeRaid support is still lacking which was known before release (a severe regression). However, I *managed* to install GRUB1 manually by following the steps in: Ubuntu FakeRaidHowto: https://help.ubuntu.com/community/FakeRaidHowto Ubuntu 9.10+fakeraid: http://ubuntuforums.org/showthread.php?t=1360445 Unfortunately, the Extended Partition had no space, the Ubuntu graphical installer just arrages so much space as required. As I need two more partitions, I had to expand the Extended partition somehow. I booted the Ubuntu Live System and could extend this partition with gparted. Then I tried to use the Win XP SP3 Disk Management Tool to create the data partition. It destroyed the logical partitions so that GRUB cannot boot anymore!!! So I made another plan: First finish with NTFS partitions, then start with Linux ones. My partition plan 2: P ntfs 300 GB Windows XP SP3 32 Bit P ntfs 300 GB Windows 7 32 Bit P ntfs 1100 GB data (for data exchange and storage) E L swap 2 GB Linux swap L ext4 250 GB Ubuntu Linux 9.10 (Karmic) 32 Bit L ext4 48 GB spare space for testing of new OSes The last partition I do not need, but in order to include it with the Extended partition, I added it as a Linux ext4 partition for now. I installed Ubuntu 9.10 32 Bit with the graphical installer. As expected, GRUB install failed. But this time GRUB1 cannot be installed. Maybe I crossed a capacity border. I heard that 2 TB is a limit, but I have no more (ok, 2 * 1 TB, should work). The first part describes my experience with GRUB1. The last part is devoted to GRUB2. ======================================================= GRUB1 (version 0.97-29ubuntu59 from Ubuntu 9.10 32 Bit) ======================================================= r...@ubuntu:/# fdisk -l /dev/mapper/isw_bfacafefej_Volume0 Disk /dev/mapper/isw_bfacafefej_Volume0: 2000.4 GB, 2000404348928 bytes 255 heads, 63 sectors/track, 243201 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x4d6d4d6c Device Boot Start End Blocks Id System /dev/mapper/isw_bfacafefej_Volume0p1 * 1 35695 286720056 7 HPFS/NTFS /dev/mapper/isw_bfacafefej_Volume0p2 35696 71391 286720000 7 HPFS/NTFS /dev/mapper/isw_bfacafefej_Volume0p3 71391 204958 1072876544 7 HPFS/NTFS /dev/mapper/isw_bfacafefej_Volume0p4 204959 243201 307186897+ 5 Extended /dev/mapper/isw_bfacafefej_Volume0p5 204959 205230 2184808+ 82 Linux swap / Solaris /dev/mapper/isw_bfacafefej_Volume0p6 205231 237122 256172458+ 83 Linux /dev/mapper/isw_bfacafefej_Volume0p7 237123 243201 48829536 83 Linux ubu...@ubuntu:~$ sudo mount --rbind /dev /target/dev ubu...@ubuntu:~$ sudo cp /etc/resolv.conf /target/etc/ ubu...@ubuntu:~$ sudo chroot /target r...@ubuntu:/# mount /dev/mapper/isw_bfacafefej_Volume06 on / type ext4 (rw,errors=remount-ro) r...@ubuntu:/# apt-get update [...] r...@ubuntu:/# apt-get install grub [...] Unpacking grub (from .../grub_0.97-29ubuntu59_i386.deb) ... Processing triggers for man-db ... Setting up grub (0.97-29ubuntu59) ... r...@ubuntu:/# cp /usr/lib/grub/i386-pc/* /boot/grub/ Now create a device map so that GRUB knows how to access the RAID array, i.e. with the text editor vi. r...@ubuntu:/# cat /boot/grub/device.map (fd0) /dev/fd0 (hd0) /dev/mapper/isw_bfacafefej_Volume0 I have to add --device-map, otherwise GRUB1 mentions "Unknown partition table signature". GPartEd has no problems with my partition table, so I think it is correct. r...@ubuntu:/# grub --no-curses --device-map=/boot/grub/device.map grub> find /boot/grub/stage1 find /boot/grub/stage1 Error 15: File not found grub> device (hd0) /dev/mapper/isw_bfacafefej_Volume0 device (hd0) /dev/mapper/isw_bfacafefej_Volume0 grub> find /boot/grub/stage1 find /boot/grub/stage1 Error 15: File not found grub> geometry (hd0) geometry (hd0) drive 0x80: C/H/S = 243201/255/63, The number of sectors = -387927552, /dev/mapper/isw_bfacafefej_Volume0 Partition num: 0, Filesystem type unknown, partition type 0x7 Partition num: 1, Filesystem type unknown, partition type 0x7 Partition num: 2, Filesystem type unknown, partition type 0x7 The number of sectors seems to be wrong, it is negative. See above for fdisk -l output which is ok. I add the dmesg output for detection of one 1 TB hard disk. I have two HDDs of the same kind, exactly. Only the serial number differs. I hope I have not passed the 2 TB maximum capacity with this RAID configuration. [ 3.656037] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 3.661669] ata1.00: ATA-8: SAMSUNG HD103SJ, 1AJ100E4, max UDMA/133 [ 3.661673] ata1.00: 1953525168 sectors, multi 16: LBA48 NCQ (depth 31/32) [ 3.667390] ata1.00: configured for UDMA/133 [ 3.672047] ata8: SATA link down (SStatus 0 SControl 300) [ 3.672076] ata7: SATA link down (SStatus 0 SControl 300) [ 3.680155] scsi 0:0:0:0: Direct-Access ATA SAMSUNG HD103SJ 1AJ1 PQ: 0 ANSI: 5 [ 3.680299] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 3.680333] sd 0:0:0:0: [sda] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB) [ 3.680368] sd 0:0:0:0: [sda] Write Protect is off [ 3.680370] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 3.680388] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 3.680482] sda: sda1 sda2 sda3 sda4 < > [ 3.684761] sda: p3 size 2145753088 exceeds device capacity, limited to end of disk [ 3.684788] sda: p4 ignored, start 3292650270 is behind the end of the disk [ 3.684980] sd 0:0:0:0: [sda] Attached SCSI disk ====================================================== GRUB2 (version 1.97+20091130 from Ubuntu 10.04 32 Bit) ====================================================== I removed package grub and deleted /boot/grub. Then I downloaded the new GRUB2 packages from a Ubuntu 10.04 (Lucid) repository. Further steps: r...@ubuntu:/# ls -1 /data/sysadmin/ubuntu/raid/grub2 grub-common_1.97+20091130-1ubuntu1_i386.deb grub-pc_1.97+20091130-1ubuntu1_i386.deb r...@ubuntu:/# dpkg -EGi /data/sysadmin/ubuntu/raid/grub2/grub-* Selecting previously deselected package grub-common. (Reading database ... 120103 files and directories currently installed.) Unpacking grub-common (from .../grub-common_1.97+20091130-1ubuntu1_i386.deb) ... Selecting previously deselected package grub-pc. Unpacking grub-pc (from .../grub-pc_1.97+20091130-1ubuntu1_i386.deb) ... Setting up grub-common (1.97+20091130-1ubuntu1) ... Processing triggers for man-db ... Processing triggers for install-info ... Processing triggers for sreadahead ... Setting up grub-pc (1.97+20091130-1ubuntu1) ... Creating config file /etc/default/grub with new version r...@ubuntu:/# update-grub Generating grub.cfg ... Found linux image: /boot/vmlinuz-2.6.31-14-generic Found initrd image: /boot/initrd.img-2.6.31-14-generic Found memtest86+ image: /boot/memtest86+.bin Found Windows 7 (loader) on /dev/mapper/isw_bfacafefej_Volume01 Found Windows 7 (loader) on /dev/mapper/isw_bfacafefej_Volume0p1 Found Ubuntu 9.10 (9.10) on /dev/mapper/isw_bfacafefej_Volume0p6 done r...@ubuntu:/# grub-install /dev/mapper/isw_bfacafefej_Volume0 Installation finished. No error reported. Reboot. GRUB loading. error: no such disk grub rescue> Even after correcting /boot/grub/device.map to the dmraid configuration (see GRUB1 section), I still cannot boot and get the error message above. Here is my /boot/grub/grub.cfg: # # DO NOT EDIT THIS FILE # # It is automatically generated by /usr/sbin/grub-mkconfig using templates # from /etc/grub.d and settings from /etc/default/grub # ### BEGIN /etc/grub.d/00_header ### if [ -s $prefix/grubenv ]; then set have_grubenv=true load_env fi set default="0" if [ ${prev_saved_entry} ]; then set saved_entry=${prev_saved_entry} save_env saved_entry set prev_saved_entry= save_env prev_saved_entry fi insmod ext2 set root=(/dev/mapper/isw_bfacafefej_Volume06) search --no-floppy --fs-uuid --set 9f8c8d2f-0f67-454c-aec0-affd8fa02fe9 if loadfont /usr/share/grub/unicode.pf2 ; then set gfxmode=640x480 insmod gfxterm insmod vbe if terminal_output gfxterm ; then true ; else # For backward compatibility with versions of terminal.mod that don't # understand terminal_output terminal gfxterm fi fi set locale_dir=/boot/grub/locale set lang=en insmod gettext if [ ${recordfail} = 1 ]; then set timeout=-1 else set timeout=10 fi ### END /etc/grub.d/00_header ### ### BEGIN /etc/grub.d/05_debian_theme ### set menu_color_normal=white/black set menu_color_highlight=black/white ### END /etc/grub.d/05_debian_theme ### ### BEGIN /etc/grub.d/10_linux ### menuentry "Ubuntu, with Linux 2.6.31-14-generic" { set recordfail=1 if [ -n ${have_grubenv} ]; then save_env recordfail; fi set quiet=1 insmod ext2 set root=(/dev/mapper/isw_bfacafefej_Volume06) search --no-floppy --fs-uuid --set 9f8c8d2f-0f67-454c-aec0-affd8fa02fe9 linux /boot/vmlinuz-2.6.31-14-generic root=UUID=9f8c8d2f-0f67-454c-aec0-affd8fa02fe9 ro quiet splash initrd /boot/initrd.img-2.6.31-14-generic } menuentry "Ubuntu, with Linux 2.6.31-14-generic (recovery mode)" { set recordfail=1 if [ -n ${have_grubenv} ]; then save_env recordfail; fi insmod ext2 set root=(/dev/mapper/isw_bfacafefej_Volume06) search --no-floppy --fs-uuid --set 9f8c8d2f-0f67-454c-aec0-affd8fa02fe9 linux /boot/vmlinuz-2.6.31-14-generic root=UUID=9f8c8d2f-0f67-454c-aec0-affd8fa02fe9 ro single initrd /boot/initrd.img-2.6.31-14-generic } ### END /etc/grub.d/10_linux ### ### BEGIN /etc/grub.d/20_memtest86+ ### menuentry "Memory test (memtest86+)" { linux16 /boot/memtest86+.bin } menuentry "Memory test (memtest86+, serial console 115200)" { linux16 /boot/memtest86+.bin console=ttyS0,115200n8 } ### END /etc/grub.d/20_memtest86+ ### ### BEGIN /etc/grub.d/30_os-prober ### menuentry "Windows 7 (loader) (on /dev/mapper/isw_bfacafefej_Volume01)" { insmod ntfs set root=(/dev/mapper/isw_bfacafefej_Volume01) search --no-floppy --fs-uuid --set 022834062833f6ef chainloader +1 } ### END /etc/grub.d/30_os-prober ### ### BEGIN /etc/grub.d/40_custom ### # This file provides an easy way to add custom menu entries. Simply type the # menu entries you want to add after this comment. Be careful not to change # the 'exec tail' line above. ### END /etc/grub.d/40_custom ### ======================================================================= What can I do now? Andre -- Preisknaller: GMX DSL Flatrate für nur 16,99 Euro/mtl.! http://portal.gmx.net/de/go/dsl02 _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org http://lists.gnu.org/mailman/listinfo/grub-devel
