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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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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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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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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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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Aug 22, 2011
fdisk -l: Disk /dev/sda: 750.2 GB, 750156374016 bytes.
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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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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
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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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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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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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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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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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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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Jan 17, 2015
I am having issues with Grub 2 after installing Debian 7.8.0.The computer is a HP Pavilion 500-307nb. I made the original harddrive /dev/sdb and inserted a Samsung Evo 840 as /dev/sda. From the original hard drive (/dev/sdb), I wiped the windows partition, but left all other partitions unchanged (in case I would ever want to recover the desktop to its original state). I replaced the wiped windows partition with a swap partition and an LVM partition.These are my hard drive partitions:
/dev/sda (Samsung Evo 840)
Number Start End Size File system Name Flags
1 1049kB 3146kB 2097kB primary bios_grub
2 3146kB 944MB 941MB ext4 boot
3 944MB 94.4GB 93.4GB host lvm
4 94.4GB 1000GB 906GB guests lvm
[code]....
The partition /dev/sda3 has 2 logical volumes with filesystem ext4 that I mount to / and /home.The partition /dev/sda2 is mounted to /boot..When I install like this, Debian installs fine, however Grub2 is not installed correctly.Debian installs grub-pc which seems not able to boot the gpt partition. So I boot the Debian CD in rescue mode and execute:
mount /dev/sda2 /boot
aptitude purge grub-pc
aptitude -y install grub-efi
After rebooting, I come in the grub rescue shell, which says: error: no such device: 986f2176--4a4b-4222-83b9-8636a034b3c7.
When I then enter in the grub rescue shell:
set boot=(hd0,gpt2)
set prefix=(hd0,gpt2)/grub
insmod normal
normal
Grub and Debian start up correctly.why can Grub not start up automatically correctly? Where does the UUID 986f2176--4a4b-4222-83b9-8636a034b3c7 come from? I have reinstalled Grub several times, I have reinstall Debian several times, I have even wiped all partitions from /dev/sda and recreated a new gpt table with parted and manually set the partitions in parted. Still on each reinstallation, Grub fails because it cannot find exactly the same UUID. Since this UUID is always the same, it must be stored somewhere, but it cannot be the partitions, I have wiped them and the partition table several times.
I did though a firmware update of the Samsung Evo 840 before reinstallation, could this be a cause?Also the problem is not in grub.cfg. Grub starts correctly if I enter the commands above in the grub rescue screen and the UUID value does not appear there.
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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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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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Oct 1, 2014
I'm creating a new debian virtual machine. As virtual disks are free, I want to use tree for my new machine. The scheme will be like this:
sda -> /boot
sdb -> /root
sdc -> swap
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Jul 30, 2010
Installing Debian on a new laptop and read that Debian-Installer (DI) can create an encrypted partition (/home) during installation.However, when I went through installation and started the manual partitioning (standard, non-lvm) , I am unable to locate the encryption option.
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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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Aug 9, 2010
COmpiz does not have the option. if this is a nooby question im new 2 ubuntu
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Jan 5, 2014
i was trying to install Debian for the first time (after trying ubuntu, which could not get installed at all) on my new notebook, along with Windows 8. During the installation process i got a message saying No EFI Partition was found. I could not do anything about it so i ignored it, completed the installation and now when i start the computer it just goes straight to Windows 8.
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Sep 27, 2015
I have now tried twice, with the same results, to install Debian 8.2.0 onto my hard drive. Each time it went through the installation as if everything was working. But, when it rebooted, it came up in grub rescue mode. When I do an "ls" command, it only shows the hard drive and no partition information. When I do an "ls (ho0,1)" it reports no such partition.
When is my installation failing? Why is it not partitioning the hard drive and loading the OS? Obviously it can write to the disk or else grub wouldn't come up at boot.
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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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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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Dec 4, 2015
I have read several manuals and online html on how to clone a partition to a greater one, I am still not sure about what to do.
Code: Select all# df -k /srv /usr
Filesystem   1K-blocks  Used Available Use% Mounted on
/dev/md5Â Â Â Â 38445384Â 195236Â 36297128Â Â 1% /srv
/dev/md3Â Â Â Â Â 8648896 1088016Â Â 7121540Â 14% /usr
What is the recommended procedure to clone i.e. /dev/mdx (/usr) partition to a greater one, say /dev/mdy, to accommodate for growth, whilst preserving attributes including timestamps (and yes, that means also including ctime).All of # cp -ax SOURCE DEST, # rsync -ax SOURCE DEST and # cpio modify ctime.Some sites recommend dd, i.e.:
Code: Select all# dd if=/dev/mdx of=/dev/mdy bs=512 conv=noerror,notrunc,sync
URL....However, I am not sure what will dd copy do with end of partition, and will it see the remaining space on /srv (it's contents are dummy and will be overwritten).
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Dec 21, 2015
Have a new debian install on a asus h170m-plus (was going to use ubuntu but didnt support the hardware/software combo i needed)
Install is fine. but during install it didnt see my 1tb raid1 drive..
after reboot, debain boots great, and i can mount the raid drive in the file manager.
I can see it and in mtab it shows up :
"/dev/md126 /media/user/50666249-947c-4e8f-8f56-556b713a6b6a ext4 rw,nosuid,nodev,relatime,data=ordered 0 0"
How can I permanently add this mount point so it is found at boot up at /data...
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Jul 19, 2010
I'm trying to install debian on a encrypted partition with LUKS and LVM. I've found a good tutorial for ubuntu (here but it's in french). The idea is to create a sda1 partition for /boot and create a sda2 partition which is encrypted with luks ("cryptsetup -c aes-xts-plain -s 512 luksFormat /dev/sda2") and on this encrypted partition, I use LVM to divide it in several different partitions (root, swap, home,...).
I can do it all with the debian live cd but once it's done I need to install debian. The problem is that with the basic install cd (I use netinstall), I cannot decrypt the partition for the installation (or if I can how ?)And with the live cd, I didn't find any option to do that.
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Jan 1, 2011
My hard drive is partitioned fairly simply, with two primary partitions, one for Windows and one for Debian Squeeze.How can I remove sda1 and make it so that Debian takes up the whole disk on one large partition without reinstalling?I have downloaded and burnt the gparted live cd, but I daren't go any further without some hand holding.
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Feb 7, 2011
I have 3 partition:
# fdisk -l
Disco /dev/sda: 20.0 GB, 20020396032 bytes
255 heads, 63 sectors/track, 2434 cylinders
Units = cilindros of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
[Code]...
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Feb 14, 2011
I am trying to replace an existing ubuntu installation with the current debian testing release. But when it comes to select partitions to install on none of the existing partitions is visible. I only see my SATA hard drive empty. The existing installation of Windows is still bootable and fdisk as well as cfdisk correctly recognize the partition table while parted (which I assume is used by the installation process; all tools run from a live cd) is not:
[root@localhost liveuser]# cfdisk /dev/sda
cfdisk (util-linux-ng 2.18)
Disk Drive: /dev/sda
Size: 160041885696 bytes, 160.0 GB
Heads: 255 Sectors per Track: 63 Cylinders: 19457 .....
[root@localhost liveuser]# parted /dev/sda unit s print
Error: Can't have overlapping partitions.
I am not sure what parted's error message means. I can hardly imagine that it complains about the logical partitions with in the extended one. The reasons for the trouble might come frome the fact that sda4 is marked as primary partition (see cfdisk output). If this is the case, how can I repair this?
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Mar 29, 2011
So I tried installing ubuntu on a blank partition on my mac. Everything went well, but then it said it was going to reboot. On startup, it went straight to a white screen. I tried holding down the alt button but I got no luck.
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