Ubuntu :: Partition Does Not End On Cylinder Boundary?

Nov 12, 2010

i was looking at the list of my /dev/sda partition and on the first partition it says that it does not end on cylinder boundary. does is it need to be fixed? on a book that im reading it says that when you create a partition the end cylinder should be the size of the partition...

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Fedora :: Partition 1 Does Not End On Cylinder Boundary?

Feb 11, 2010

I've been searching for a definitive answer/solution for this. Below are outputs from fdisk -l and a partition table listing from expert mode in fdisk. [root@ncc1701 ~]# fdisk -l /dev/sda

Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Disk identifier: 0x000265ce

Device Boot Start End Blocks Id System
/dev/sda1 * 1 39 307200 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 39 60801 488076288 83 Linux

[Code]...

Some posts that I've come across indicate no problem while others indicate that it is an issue and needs to be corrected. sda1 is my /boot partition ~ 300MB and then sda2 is a LUKS volume with a LVM VG occupying the rest of the available 500GB hdd. It is my active F 12 system with no dual boot.

1. Is it a problem? 2.Can I just resize sda1 so the end does not overlap sda2? 3. And can I do this while booted from that system or do I need to do it from a LiveCD?

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General :: Partition Does Not End On Cylinder Boundary - Can't Boot Ubuntu?

Mar 3, 2011

I have a 500g hard drive using dual boot win7 and ubuntu 10.04.2. The system is boot from MBR using Grub1.98. The partitioned as the follows:

system reserve100m |win7,42g|software 100g|empty 100g|extended 253g
logic partition is as follows:
| ubuntu / 250g | swap 4g
Since I want to make use of the "empty" part. I delete it and the "software" partition under win7. Then I create a new partition on the part.
After I reboot my pc, the screen shows:
>> operating system no such partition.

[Code]...

how to resize my partition table so I can KEEP MY DATA on the ubuntu / partition. Or someway I can get my ubuntu / partition back.

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Debian Installation :: Partition <nn> Does Not End On Cylinder Boundary?

Feb 22, 2011

I am preparing a dual boot system. Used gparted to do the partitioning. Unfortunately did not notice that one can choose to align on MB (default) or cyl (probably preferable) Now my setup is running ok but fdisk reports warnings like Partition 4 not on cylinder boundary

Looking up the net I see two conflicting views on this:

1. Forget it -- cylinders are not relevant on today's disks

2. For linux this is ok but windows may clobber the adjacent partition in such a 'non-aligned' partition

The real problem is that parted, gparted, fdisk etc are mutually inconsistent in what kind of partition table is 'good' and I dont know who to believe

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Hardware :: Lost Partition Table, "does Not End On Cylinder Boundary"?

Mar 13, 2011

While trying to get Grub working on my computer, I accidentially overwrote the partition table. Luckily I did a fdisk -l and copied the information before I did anything. The problem is that the first partition "does not end on cylinder boundary" so when I recreated the partition info using fdisk, partition 2 doesn't start in the right place and cannot be read. I have some pretty valuable data on there and I can't afford to lose it. Is there a way to create a partition that doesn't start on a cylinder boundary?

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Fedora Installation :: Partition Does Not Start On Physical Sector Boundary?

Aug 22, 2011

fdisk -l: Disk /dev/sda: 750.2 GB, 750156374016 bytes.

[Code]...

I've tried other installations, but I always get errors like this. /dev/sda 5, 7 and 8 are occupied by PCLinuxOs. /dev/sda 9, 10, 11 and 12 by Fedora. I made room for Linux installations by GParted (last version). Really, I made no errors. The installer of PCLOS is a bit strange: it changed the NTFS partition sda5 in sda 6! In a previous installation with Fedora and Kubuntu only the extend partition sda 4 complained about not starting on physical sector boundary. The hard disk is Western Digital with Advanced Format. Probably this is the cause of the problem. The systems are snappy and responsive. I do not encounter any problem. What to do? Ignoring the problem or reinstalling? May be it would be better to get rid of PCLOS and to dual boot Windows with Fedora?

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Ubuntu :: Partition On 10.04 LTS - Partitions Not Ending On Cylinder Boundries?

Jan 16, 2011

I have installed 10.04 LTS on a few computers lately (stuck at home due to recent surgery and am trying to kill some time) and have been running into some odd issues and cannot figure out what is going on. I am hoping someone can help me out here. The installation appears to work fine every time. The systems also appear to be running without any issues. The weird thing is that every time I run an fdisk -l command, I always get these types of messages:

Disk /dev/sda: 3221 MB, 3221225472 bytes
255 heads, 63 sectors/track, 391 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0005437b

[Code]...

cfdisk also gives similar errors:

FATAL ERROR: Bad primary partition 1: Partition ends in the final partial cylinder. I am not doing anything out of the ordinary when installing Ubuntu (as far as i can tell that is). I am not pre-partitioning with external tools for example. I use the Ubuntu installer to setup my partitions.

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General :: Fix Cfdisk Error: "Partition Ends In Final Partial Cylinder"?

Jan 8, 2011

I want to install Arch Linux on my desktop, it is going to be a dual boot with Windows. I booted into the installation CD, but when I started cfdisk to partition my hard drive it gave me the following error: FATAL ERROR: Primairy parititon 1, partition ends in the final partial cylinder.The QuestionHow can I troubleshoot and fix this?Additional details
These will be added if asked for.

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Red Hat :: Error - "You Could Not Allocate The Cylinder Based Partition"

Oct 9, 2010

"You could not allocate the cylinder based partition". I am getting above error while trying to create disk partition in disk partitioning while Redhat installation.

i want to use dual boot system....windows 2003 and Redhat.Win 2003 is installed on 'C:' in my primary hard drive.i have one more hard drive on secondary IDE.secondary HDD having 13 GB unallocated partition. and i want to install Redhat on this partition. But while trying to create disk partition i am getting error "You could not allocate the cylinder based partition". it this time i can create only root or swap partition. plz tell me whats to do in such case.

If i create root partition of 11 GB and leave 2 GB for swap, then can i create swap partition after installation is finished. if yes the plz tell how to do this? Or i can allot 13 GB for Root partition and once installation finished i can create 2 GB swap partition from this 13 GB? Also i will like to know what kind of partitions i need to create at the time of installation????

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General :: Partition Table From Fdisk - Cylinder Mode - Sector Mode - Expert Mode ?

Aug 30, 2010

Below is a print out of my partition Table from Fdisk, in Cylinder mode, Sector mode, and then in expert mode?

Why in expert mode does it look like Partitions 2 and 3 share the same sector / hd / Cylinders? Is this OK?

Code:

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General :: Growisofs & Iso File 4gb Boundary?

Jun 7, 2010

To backup files residing on my system, I've been using mkisofs to create an empty iso file, and then populating it using growisofs: (in an empty directory)

Code:
> mkisofs -graft-points -iso-level 2 -joliet -joliet-long -udf -full-iso9660-filenames -R -o myiso.iso .
> growisofs -M myiso.iso -r -J -use-the-force-luke=4gms <filetoadd>

This was working well for isos to be written to a single-layer DVD, but when I tried to add more data meant to be written to a dual-layer disc, I get this:

":-( next session would cross 4GB boundary, aborting..." I've done some searching and it seems that -use-the-force-luke should have helped, but doesn't. I assume the problems lies with mkisofs in creating an empty iso, but not sure how to get around it. I've only started dabbling with these tools in the past few days. Is it possible to create an empty iso with growisofs, or is there another way of creating an iso file that can contain enough data for a dual-layer disc? I really would like to be able to populate an empty iso as there are scripts involved & the availability of data being backed up might not be available immediately (data being sent for backup from other teams, for example).

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Ubuntu :: Cylinder Head Count Exceeded?

Feb 6, 2010

Why is it telling me that my hard drive cylinder head count isn't supported by bios when I've been using this hard drive with this bios for over a year? I mean Linux is booting off the hard drive this is supposedly unsorted apparently and managing telling me is unsupported... so it can't be that unsupported now can it? Sounds more like linux trying to blame bios for linux's problem.

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Ubuntu :: Get Fish Tank Inside Cylinder

Aug 9, 2010

COmpiz does not have the option. if this is a nooby question im new 2 ubuntu

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Ubuntu :: Display The Cylinder Distortion With Four Desktops With Different Wallpapers?

Oct 23, 2010

I have a 64bit desktop and 64bit laptop. I upgraded both to 10.10 and they both have the same problem with compiz. Even though I selected the cylinder distortion, the rotating desktops will not deform to a cylinder unless I select "Wallpaper" in compiz but when I do that, the cylinder is completely transparent AND objects (like windows or bouncing/squishing icons in AWN appear not to refresh. Like a window will not disappear after closing.

As an aside, I have four different wallpapers selected for the four different desktops, but none of them display when I select "Wallpaper" in compiz, I just get the transparent cylinder.

If I deselect "Wallpaper" in compiz, the problem with the refresh disappears immediately, as does the transparent wallpapers but the cylinder becomes disabled and I am left with a cube with a single wallpaper and no ability to decrease opacity during rotation.

This has happened with both my desktop and laptop. I have tried uninstalling all compiz components in Synaptic Package Manager and adding them back one at a time in case I added some conflicting components but this doesn't seem to help.

I did not change settings in the updates, so I have to assume that the problem has something to do with a bug in Compiz. The two computers have different video cards and the drivers are up to date, so I'm at a loss.

Has anyone else found this problem? Has anyone been able to display the cylinder distortion with four desktops with different wallpapers?

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Ubuntu :: Selected Cylinder Exceeds Maximum Supported By Bios?

Aug 13, 2010

" Selected cylinder exceeds maximum supported by bios " I got this errot message when i tried to select Ubuntu ( 9.04 ) from a dual booting menu I dont know how to solve this problem

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Ubuntu :: Error 18 - Selected Cylinder Exceeds Maximum Supported By BIOS?

Dec 12, 2009

Error 18 - Selected cylinder exceeds maximum supported by BIOS

I am running Jaunty Jackalope on a new machine and after a recent update I got the following message when trying to reboot:

Error 18 - Selected cylinder exceeds maximum supported by BIOS

After reading some of the info on Grub error 18 I decided to create a separate boot partition, as suggested. However, when trying to use Gparted from the live CD to create some space ahead of /sda1, Gparted would run for a while and then crash. The crash message says:

"e2fsck crashed with SIGSEGV in qsort" So now I am stuck, unable to boot from HDD and unable to create new partitions (the other partitions on the disk work fine with Gparted). Could all of this be due to corrupt /sda1 partition?

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General :: GParted Partitioning Options - Align To Cylinder Or To MiB?

Sep 24, 2010

For the GParted partitioning options, when creating or changing a partition on a SATA hard drive, which option is best to use; (align to cylinder, or to MiB )? The newest version of GParted I used, and it did default to "align to MiB, which then created 1 MB gaps between some partitions. Is it better to have no gaps, and is this new version safe to use to move and or resize NTFS windows partitions ? Will it include the boot sector when it moves or resizes ntfs ?

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Debian Configuration :: New Squeeze Install - Mismatched Fdisk Cylinder Numbers?

Feb 10, 2011

I just installed Squeeze on a 4 disk system, each disk set up identically with 4 partitions, with the last partition of each disk used for a raid 5 array. I used the squeeze installer, and chose the 'manual' partition option for this setup.

After installation, fdisk reports the ending cylinder number of each of the 4 disks as one more than the total number of cylinders for the disk. I've never seen this before. In the past when I've used fdisk to manually partition disks, the final cylinder number was always equal to the total number of cylinders.

For example:

Disk /dev/sdd: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000937dd

[Code]...

The disk has 60801 cylinders, and the 'End" cylinder number for /dev/sdd4 is reported as 60802. I would have expected it to be 60801. Is this a bug or problem? It's working OK, but I don't know if it will cause instability in the future.

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Installation :: Error 18: Selected Cylinder Exceeds Maximum Supported By BIOS

Mar 29, 2009

I just downloaded the Fedora 10 cd yesterday and decided to install it. I had a partition for Fedora on my system before but I'm not really sure what I did to it. It wasn't booting and it has been so long since I messed with it I just decided to reinstall with the latest (I think I was running F9 previously). So I pop in the live CD, run the install, and then reboot into Ubuntu. I modified my menu.lst to include the new vmlinuz and initrd versions, as well as the new UUID of the partition. Now when I reboot and choose Fedora from grub's menu I get this error:

Quote:

Error 18: Selected cylinder exceeds maximum supported by BIOS

I found this wiki which does a pretty good job describing the problem:

[URL]

However, I'm still unable to get this to work. According to many different sites out there this problem shouldn't exist on newer computers. Well, I just recently put a new motherboard into this box -- it's this one:

[URL]

According to their BIOS page the first release of this was late November 2008. Yes they have had 2 updates since then but it looks like those only serve to support AM3 CPUs (which I don't have) or update some audio playback issues. I seriously doubt I need to update my BIOS to get this to work.

Here's my fdisk:

Code:

$ sudo fdisk -l
Disk /dev/sda: 400.0 GB, 400088457216 bytes
255 heads, 63 sectors/track, 48641 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

[code]....

I can get Slackware 12.1 to boot (though it kernel panics during startup...not sure what I did to make it angry), but grub immediately fails when I attempt to boot Fedora. Here's the entry from menu.lst:

Quote:

titleFedora 10 (on /dev/sdb1)
root(hd1,0)
kernel/boot/vmlinuz-2.6.27.5-117.fc10.i686 ro root=UUID=178bc9f9-76ba-48aa-a588-de978cc1eee1 rhgb quiet

[code]...

I have verified that the vmlinuz and initrd are both correct. I put the UUID in there after running vol_id so I'm sure the entry is solid. I have tried making it "root=/dev/sdb1" which failed with the same error, and I even tried copying the fc10 vmlinuz and initrd files over to my Ubuntu partition (which controls grub) but for some odd reason the cp command takes a really long time and then I eventually get this weird error for initrd:

Quote:

$ sudo cp /media/sdb1/boot/initrd-2.6.27.5-117.fc10.i686.img .
cp: reading `/media/sdb1/boot/initrd-2.6.27.5-117.fc10.i686.img': Input/output error

I got the same error with the dd command too. So I was going to just try and copy the files to my sdb3 partition and then modify the menu.lst entry appropriately but that doesn't seem to be plausible at this point.

I have a motherboard that was just released about 4 months ago, an Athlon X2 6000+ CPU, and 4gigs of RAM. The drives are both SATA 300 drives...it's not like this is some old Pentium Pro and the BIOS just doesn't support large drives...this is a brand new system with a very recent BIOS version.

I have successfully quadruple booted all of these in the past, but that may have been prior to the new motherboard. So that makes me think it could be something related to the motherboard but the thing is so much newer than what I previously had, certainly that can't be the problem...can it? Then I remember that Slackware boots, so if it's truly something about how the BIOS can't access some file beyond a particular section of the disk, then it doesn't make any sense that it can book slackware. Fedora is the first partition, Slackware is the last and is like 200+ GB into the disk.

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General :: Why Can The BIOS Only Read And Execute Code And Data From Only Cylinder 0, Track 0 And Sector 1

Feb 25, 2011

I was just reading about the whole boot process on computers and am curious as to why the BIOS can only read and execute code and data from only cylinder 0, track 0 and sector 1 of the disk being booted from? Why can't the BIOS read from any other disk location?

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OpenSUSE Install :: Intermittent Error "18 Selected Cylinder Exceeds Maximum Supported By BIOS" Grub1.5

Aug 5, 2010

Immediately after the grub menu disappears I get the following error msg: Error 18 Selected cylinder exceeds maximum supported by BIOS. Sometimes the grub options come up again (in Text mode) ...all works fine Sometimes just start via "Failsafe", reboot...all works fine. What is happening here and what would be the right procedure to avoid this happening again.

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Debian :: Libgdu-WARNING : Partition /org/freedesktop/UDisks/devices/sdb7 Is A Logical Partition But No Extended Partition Exists

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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Ubuntu Installation :: Os_prober Calls The Vista Partition The Windows Recovery Partition

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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Ubuntu :: Delete Snow Leopard Partition - Format Swap Disk Partition To Something Else

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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Ubuntu :: Partition Manager: Unable To Resize Partition To Use Free Space BEFORE Partitio?

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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Ubuntu :: Ext4 Partition Recognized As Part Of Original NTFS Partition In Fdisk

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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Ubuntu Installation :: Format Windows Partition To Be The Home Partition And Changed The Nfts To Ext

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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Ubuntu :: Cant Install - Partition Manager Wont Allow Me To Shrink The Windows Partition To Fit

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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Ubuntu Installation :: Create A New Partition In Front Of A Windows Partition Without Trouble?

Oct 25, 2010

This is my partition table:

/dev/sda1 1 4255 34178256 83 Linux
/dev/sda2 4256 4437 1461915 5 Extended
/dev/sda3 * 4438 9964 44395627+ 7 HPFS/NTFS

[code]....

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Ubuntu Installation :: Add Unallocated Space To Storage Partition And Not Boot Partition?

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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