Ubuntu :: GPT Partition Label Has No BIOS Boot Partition?
Jun 24, 2011
When I installed Ubuntu on my system (a year or so ago) I forgot to add a BIOS Boot Partition. This is something of a problem considering that the partition type for my 2TB drive is GPT. Hence, whenever grub is updated I get a warning:
Code:
/usr/sbin/grub-setup: warn: This GPT partition label has no BIOS Boot Partition; embedding won't be possible!.
/usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and its use is discouraged..
Installation finished. No error reported.
[Code]....
If so, what is the rough sequence of commands to create the partition (without disturbing what is already there) and then setting it as a BIOS boot partition.
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May 2, 2011
I'm doing a fresh install of xubuntu 11.04 x86 32bit via the Alternative CD. My computer has two 2TB drives and I want to mirror the partitions for redundancy For the Linux partitions (ie root and swap) I'll be creating raid partitions on each drive and using software RAID 1 to create md partitions of type ext4 and swap.
For the GPT's bios boot partition, am I also meant to use software raid ? Ie create a raid partition on each drive and use software RAID 1 to create a md partition of type bios boot ? Or am I meant to not use raid partitions and just create a bios boot partition directly on each drive ? In this case, will xubuntu's install process and grub tools ensure that both partitions contain the relevant grub files or do I have to explicetly do somthing to ensure that ?
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Jul 7, 2014
I have been running Jessie on an EFI motherboard for a while, booting just fine from a GPT formatted partition on my 3TB hard drive.
I had to re-purpose that PC, and put the hard drive into a different system that uses a BIOS instead of EFI.
Now when trying to boot, I get a text at the top of the screen that says:Code: Select allGRUB ...so it finds GRUB, but nothing ever happens. <CTRL>+<ALT>+<DEL> resets the system.
parted 2.3 says:Code: Select all 1 1049kB 3001GB 3001GB ext4 boot
2 3001GB 3001GB 32.5MB bios_grub, legacy_boot(I set the legacy_boot flag trying to fix this problem, but that flags the partition, not the MBR)
Is my problem that the "bios_grub" partition is at the end of the disk instead of the beginning?
I have read that newer versions of parted allow you to toggle the "pmbr_boot" flag directly in the MBR by using the command "disk_toggle pmbr_boot" or "disk_set pmbr_boot", but parted 2.3 apparently doesn't support this.
The pmbr_boot flag in the MBR seems more likely to be the problem than the partition at the end of the disk.
Do I need to find a newer version of parted that supports the pmbr_boot flag for MBR (if so, which version please), or do I need to move the partiton to the beginning of the disk?
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Feb 28, 2010
I installed F12 onto a 4 disk SW RAID5 array. sda has a /boot partition and a <swap> partition and all of the rest of the storage is raided to make the / partition.
The installer listed sda as the HDD with the boot partition so I updated the MBR on sda durring install. After the reboot I was sent to a grub prompt. I could run,
grub> find /grub/stage1(hd1,0) and then grub> configfile (hd1,0)/grub/grub.conf and the system boots.
I'm not sure if this a BIOS disk ordering problem. I tried switching a few SATA cables, to try and reorder disks but I couldn't get to the grub prompt with the different configurations I tried.
Should I try copying the MBR from one disk to another? It seems like it's getting past the MBR otherwise grub wouldn't load at all, so is this a grub bug?
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Apr 10, 2010
I may have sabotaged my installation beyond repair, but I am nourishing a cautious optimism, as justified below, and would warmly welcome any ideas.Here's the scoop:The harddrive on my Dell Latitude is divided into a number of partitions; I used to run a Windows-Linux dual boot, so I had some EXT3, some NTFS, and some FAT32 partitions, but a few months ago decided to eliminate the windows, and thus converted the ntfs partition into a linux partition. I've been using this newly converted partition for temporary backups; it held no important data. This, at least, was my supposition: yesterday, I decided to change the label on this partition (cosmetic motives), and after cavalierly making the change with GPARTED, I now can't log in.
A few clues about what could be going on:1. The system boots up fine; when I get to the login screen, however, and enter my name and password, I get the following error message: "GDM could not write to your authorization file. This could mean that you are out of disk space or that your home directory could not be opened for writing. in any case, it is not possible to log in. Please contact your system administrator."2. All my files are intact (following some advice I saw posted on the forums, I hit cnt + alt + F1 and was able to log in) and as far as I can tell, I am not out of disk space. This gives me hope that maybe I can restore the system without totally reinstalling Ubuntu.That is about all I know. If anyone has any thoughts as to what might be going on, I would be very happy to hear them.
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Mar 11, 2010
I am a newbie to Linux and I am using CentOs. I am trying to create a new partion on my CentOs VM. I create a new primary partition using fdisk (I use the command fdisk /dev/hda). After I create the partition and use partprobe to write the partition to disk, I try to give the new partition a label. So, I use the command e2label /dev/hda LABEL=test
However, when I enter the command e2label /dev/hda3 , it doesn't display the label for the newly created partition. Am I doing something wrong here? Is the syntax of the e2label command wrong when creating the label for the new partition? Did I miss a step after writing the new partition to disk.
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Mar 7, 2011
I just installed Linux on a second partition. The label of this partition is currently " newlabel " i want to change this to "linux" how to do this.
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May 8, 2011
Is it possible to set partition label using cfdisk?
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Jun 19, 2011
How do I change the partition label of a drive in openSuse. I am using KDE. I have this howto: Editing FAT32 Partition Labels using mtools But its too long and requires to edit configuration files, when actually for removable media this is a very long cycle.
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Apr 12, 2010
How can I change the label of one partition on linux without formatting it.
It wll format the partition, and all content disappears.
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May 21, 2010
I am trying to install a box here where my /storage partition is about 2.5T.I had setup the partitioning with suse, while testing, and all worked well.Now when trying to install CentOs 5.5 it gives me an error, that my boot partition is on a gpt partition and this machine cannot boot that.Also I don't see the option to create XFS partitions from the installer.Can 5.5 support GPT @ install time?
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Apr 20, 2011
using onboard windows disk management i have made 75gb unallocated to add to the aforementioned ntfs data partition. but, after resizing extended partition, will i need to fix grub even though i will be adding the unallocated space to a storage partition and not the ubuntu boot partition?
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Mar 9, 2010
is it possible to use a Windows-based recovery partition on a dual-boot computer to overwrite the Ubuntu partition and remove the GRUB loader? For instance, if you booted up your computer, accessed the hidden recovery partition and used it to reset the computer to it's factory default settings, would that effectively remove the Ubuntu partition and the GRUB loader? Would a completely new installation of Windows overwrite/uninstall Ubuntu and GRUB automatically?
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Apr 19, 2010
Recently I reinstall Grub, but I have chosen on ntfs (windows 7 partition E: drive). After this I chosen /dev/sda which is correct boot partition.
Now Fedora 10 and Win 7 booth are working properly.
How can I get back my E: drive safely?
In Fedora 10 E: is not available, where as in Win7 it is available but asking for Format.
how to get back my E: partition which was chosen wrongly as boot partition.
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Apr 24, 2010
Everything is installed and setup on my system, but when I setup my partitions I chose my Windows partition to be bootable. Can I just use cfdisk to toggle the bootable flag so my linux partition is bootable and rewrite the partition table?
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Feb 25, 2010
I having a problem getting my grub loader to see one of my hard drives. I added a drive, and my grub loader lost track of where everything was. I couldn't get my old linux (Red Hat 9) so I installed SuSe on my new hard drive. But I need my be able to boot from my old hard drive because it has apps that only run on the earlier version. From /proc/partitions the old hard drive is sdd
major minor #blocks name
8 0 976762584 sda
8 1 2104483 sda1
8 2 20972857 sda2
[code]....
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Aug 31, 2010
when I tried to install Fedora on my pc, I got this error message " Defined Root partition not created a / boot/efi partition. I am trying to install it on a seperate hd. My main one has windows xp pro, but I do not want to interfer with that at all?.
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Mar 18, 2009
I want to install more than 3 linux distributions on single disk - my test machine.Is it possible to create boot partition on logical partition whitch resides in extended partition (and boot successfuly of course)?
My boot loader lives elswere (primary partition or MBR).
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Jan 21, 2011
I'm trying to install Ubuntu 10.10 on my WinXP desktop computer. I used the LiveCD and manually configured the partitions. I resized my XP partition (the entire SATA HDD) and created a 37GB partition for Ubuntu, as well as a 3GB swap file. I installed the boot loader on the Ubuntu partition. But BIOS doesn't recognize that the drive has separate partitions, and I can't boot into it from Windows either. I know I didn't modify WinXP's MBR, but should I have? I didn't know where it was.
I booted into the LiveCD again, and went into the disk manager. I Edited the Ubuntu partition and saw a checkbox that said "Bootable". I checked it and hit apply, hoping that might do it. I waited twenty minutes and the little circle was still spinning with no indication that it was actually doing anything or any warning of how long it would take, so I rebooted. Still no luck.
Someone told me that Ubuntu sometimes won't be bootable if you have both SATA and PATA drives in the system, which I do (although both XP and Ubuntu are on the same, SATA drive) and gave me a page that told me to use Grub4Dos. I fiddled around with that, only to come onto the Ubuntu website and find out that the page they gave me was outdated, before Ubuntu used GRUB2.
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May 27, 2011
I installed Debian stable and I see these errors in the xsession error file
/etc/gdm3/Xsession: Beginning session setup...
GNOMEKEYRINGCONTROL=/tmp/keyring-j0E6Br
SSHAUTHSOCK=/tmp/keyring-j0E6Br/ssh
GNOMEKEYRINGCONTROL=/tmp/keyring-j0E6Br
[code]....
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Mar 8, 2011
I was installing ubuntu 11.04 natty narwal daily build alongside windows 7 and ubuntu 10.10, and was resizing partition when computer was taking too long to resize, i then restarted computer, my computer appears to be working, but i get no display on my monitor, even though it is powered on. getting my bios to appear, or restoring my computer to normal.
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Jul 9, 2010
I was using GParted Live to resize my Windows XP partition on my desktop aaaaand... it rebooted properly and now says "no such partition" and won't boot from anything. It doesn't even recognize my dell utilities partition. I can boot to the GParted Live disk - and that is all. So I'm relatively certain that I just destroyed something
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Aug 30, 2011
I am currently running a dual boot machine with Ubuntu 11.04 and Windows Vista.Is there any way I can delete the Linux partition and Grub boot loader without affecting the Windows partition at all?I would also like to be able to repartition all of the space that was previously occupied by Linux.
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Jul 27, 2009
I have a brand new thinkpad X301 with 4GB of RAM and thinking of getting fedora 11 on it. The plan is to have it triple boot with vista/seven and hopefully OSx86. I am aware of the 4 primary partitions limit on an MBR disk. I was thinking of having a swap file instead of swap partition and not creating a boot partition as well. If I install the boot loader(GRUB?) on the root partition will I be able to boot it without any problems by using vista's boot loader?
Or Maybe I should install GRUB on the MBR and add all the other operating systems on it? Does anyone have any objections for not creating a swap partition or a boot partition? When comes to desktop environment I've been using KDE in the past, is there any major advantage of using Gnome over it? KDE seems to look really nice on fedora where Gnome is maybe more stable?
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Feb 20, 2011
Two days ago I repartitioned my laptop HD and added the latest Ubuntu (2.6.35-25-generic) to the existing Vista and existing Ubuntu (2.6.32-28-generic via upgrades from 9.14(?)). Prior to this install it was using Grub with menu.lst from the old/upgrade Ubuntu. After the install the boot menu labels the partition with Vista as the Windows Recovery partition and the recovery partition item is no longer present.
At first I wondered how I could get Vista to boot. I found that SuperGrub cd would boot it OK. Then, it dawned on me that the boot menu item was not the recovery partition, but instead the Vista OS partition mislabelled . Vista loads just fine from it. The recovery partition is no longer listed as it was with Grub/menu.lst. SuperGrub will not boot the recovery partition, showing an error "missing BOOTMGR".
'os-prober' produces--
root@Toshiba:/home/deh# os-prober
/dev/sda2:Windows Recovery Environment (loader):Windows:chain
/dev/sda7:Ubuntu 10.04.2 LTS (10.04):Ubuntu:linux
[code]...
I edited boot/grub/grub.cfg so the boot menu item is labelled correctly, but suspect that it will revert back when there is an upgrade.
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Feb 23, 2011
I had a drive with a partition layout like so:
~50gig Windows 7 - NTFS
~100gig Ubuntu - EXT3
~100gig Snow Leopard - HFS+
~100gig Extended Partition
-- ~100gig Swap Disk - exFat
I wanted to delete the Snow Leopard partition and format the Swap Disk partition to something else. exFat was causing major file size bloat on small files. QT sdk bloated to like 11 gigs or something ridiculous like that. Anyways, I loaded up an Ubuntu 10.04 LTS live cd and gparted then deleted the Snow Leopard partition. Gparted said "Mission Accomplished" and tried to rescan the drive, but never found it. At this point I restarted the computer, a dell laptop, which didn't boot with an unable to find a bootable device error. The ubuntu live cd doesn't see the drive anymore. gparted scans for drives indefinitely and fdisk -l has no output.
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May 29, 2011
I have around 30gb of free space in my partition table immediately before the Linux partition. I want to resize my linux partition to take up this space.
I tried booting with live cd, sucessfully umounted the hard drive but found I could not resize the partition. On clicking the 'edit size' button, partition manager recognised the free space before the partition but when i reduced this, the 'ok' button was greyed out. (it was not greyed out for the windows partition so I could, in theory, increase the windows partition to take up the free space but this is not what i wanted to do).
I am pretty sure that I had managed to unmount the drive correctly as the padlock symbol had dissapeared (I took the attached screenshot, which does show the lock symbol, after rebooting into my normal system).
Anyone got any ideas as to why it wont allow this? There is no reason why i can resize the partition to take up the free space BEFORE it is there?
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Jul 18, 2011
I just installed ubuntu via the windows executable and I couldn't mount my NTFS partition. I found this a little odd and I checked fdisk and it seems to think I don't have an ext4 partition as my entire internal HD is displayed as NTFS.
Here's the fdisk output:
When i try to mount the NTFS partition /dev/sda2 i get the following output:
I can't make heads or tails out of this. Anyone know what's going on here?
Windows recognizes that 30GB were taken from the NTFS partition for my linux install. It reads the max partition size as 465GB. fstab reports the NTFS partition size as 488GB.
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Sep 1, 2011
i have instaled ubuntu 11.04 wubi on my pc with windows 7. i installed and everything was going ok i navigate on ubuntu already. but the problems star here i went on my ubuntu to the partition section and i format my windows partion to be the home partion and changed the nfts to ext, i did the upgrades but i forgot that theyr running yet and i restart my computer when it boot again it gaves me an error:
try (0,0) : nfts5 : wubildr
try (0,1) : ext2 :
and the windows7 says that i have to instal again. so i went to another pc and i made a cd boot and a pen boot. i burned the iso (downloaded from the ubuntu oficial site the 11.04 32 bit version) image to the cd and pen drive prperly, i adjust my boot options to star from usb or cd rom and nothing im struck.
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Sep 4, 2010
Trying to install Ubuntu (any atm) on my father's HP destop. When i install, the partition manager wont allow me to shrink the windows partition to fit ubuntu in, and when i go to gparted to do it manually, it says that there are damaged sectors. is there a way to force ubuntu to install?
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