Grub Error 21 Virtualbox
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is the place to report it, thanks ! Results 1 to 6 of 6 Thread: grub Error 21 when using Virtualbox to boot physical partition Thread Tools Show Printable Version Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode October 18th, 2008 #1 Roig View Profile View Forum Posts Private Message 5 Cups of Ubuntu Join Date Nov 2007 Location Catalunya Beans 36 DistroUbuntu 9.10 error no such partition grub rescue windows 8 Karmic Koala grub Error 21 when using Virtualbox to boot physical partition I installed Virtualbox 1.6.6 on ubuntu hardy heron. I have Windows XP installed too, and i want virtualbox to acces the winxp partition. i did: Code: dani@ubuntudani:~/.VirtualBox$ fdisk -l Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x61a261a2 Device Boot Start End Blocks Id System /dev/sda1 * 1 60800 488375968+ 7 HPFS/NTFS Disk /dev/sdb: 250.0 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x000776bc Device Boot Start End Blocks Id System /dev/sdb1 1 29644 238115398+ 83 Linux /dev/sdb2 29645 30401 6080602+ 5 Extended /dev/sdb5 29645 30401 6080571 82 Linux swap / Solaris dani@ubuntudani:~/.VirtualBox$ looking at fdisk i think the command to create the vdmk file is this: Code: VBoxManage internalcommands createrawvmdk -filename ~/.VirtualBox/SystemHD.vmdk -rawdisk /dev/sda -partitions 1 -register Well, i did it, and started virtualbox with the SystemHD.vmdk but when i start the virtualization it says: Code: GRUB Loading, please wait: Error 21 And it doesnt show me the menu . I can't find a solution. Maybe anyone with more experience can point me what i'm doing wrong
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Rescatux Old Super Grub Disk Old Super Grub Disk - Documentation Old Super Grub Disk - Software page error no such partition grub rescue after deleting ubuntu Old Super Grub Disk Downloads Rescatux - Freecode for updates Super Grub2 Disk - Freecode for updates Rescatux on Distrowatch Development Super Grub2 Disk - Bugs Super Grub2 https://ubuntuforums.org/showthread.php?t=951588 Disk - Feature Requests Super Grub2 Disk - Source Code Rescatux - Bugs Rescatux - Feature Requests Rescatux - Source Code Rescatux Twitter SG2D Twitter Search for: Wizard - Restore Grub (Work in progress) What problems does it solve? Gnu/Linux no longer boots after having reinstalled Windows You already have a working dual boot system. When you boot http://www.supergrubdisk.org/wizard-restore-grub/ your system the...(Work in progress) What problems does it solve? Gnu/Linux no longer boots after having reinstalled Windows You already have a working dual boot system. When you boot your system the Grub menu appears. You are prompted to choose between Windows and Gnu/Linux. Whatever the reason is you decide to reinstall Windows (not to be mistaken with resetting a Laptop to factory defaults which usually wipes all the hard disk). After having reinstalled Windows you realise that only Windows boots. There's no longer a GRUB menu so that you can choose either Gnu/Linux or Windows. Windows seven starts Grub is no longer there GRUB fails to load after having removed one of your Gnu/Linux installations while having a second Gnu/Linux installation This error might show as error: no such partition. grub rescue> but you don't have to mistake this problem with the one that happens when you delete Gnu/Linux partition when it lives next to a Windows OS. Grub is unable to find its own partition GRUB no longer shows after
Favorite Rating: Error 21 in grub during the upgrade to newer SLES 11 (SPx)This document (7014290) is provided https://www.novell.com/support/kb/doc.php?id=7014290 subject to the disclaimer at the end of this document. Environment SUSE Linux Enterprise Server 11 Service Pack 3SUSE Linux Enterprise Server 11 Service Pack 2SUSE Linux Enterprise Server http://forum.ubuntu-fr.org/viewtopic.php?id=269885 11 Service Pack 1SUSE Linux Enterprise Server 11 Situation Server was converted from running as a "physical server" to running as a "virtual machine" running on VMware infrastructure. The grub rescue conversion was made by using VMware vCenter Converter.SymptomsDuring the upgrade process from a previous OS version (i.e. SLES 10 SP4, or older SLES 11 SP) to a newer version of SLES 11, an error is encountered when the grub bootloader is installed. The relevant text of the error is similar to:grub> install --stage2=/boot/grub/stage2 (hd0,0)/boot/grub/stage1 d (hd0) (hd0,0)/boot/grub/stage2 0x8000 no such partition (hd0,0)/boot/grub/menu.lstError 21: Selected disk does not existgrub> quitIf using a graphical install, you may see the following: Resolution Revert the VM back to the snapshot before applying the update/installation.Modify the /boot/grub/device.map to point to the proper disk/partition. Ideally, you will want to use either:/dev/disk/by-idor/dev/disk/by-uuidReboot and run the upgrade again. Cause After conversion to a virtual machine, the /boot/grub/device.map file no longer points to a proper device. Additional Information When the server is on physical hardware, the /boot/grub/device.map file may incorporate the driver name in the device. In our example it read like:(hd0) /dev/disk/by-id/cciss-xxxxxxxxxxxxxxxxxxxx(hd1) /dev/disk/by-id/cciss-xxxxxxxxxxxxxxxxxxxxAfter being converted to a virtual server, the old name will only work as long as grub isn't modified -- which occurs when upgrading to a new OS version or service pack. Therefore, in order to avoid this error, use the appropriate entry in /dev for your device. Try to avoid using disk names, like cciss devices, and use the links to your disks under /dev/disk/by-id or /dev/disk/by-uuid -- pointing to devices similar to /dev/sda, /dev/sdb... in most of configurations).#################################################################