General :: Boot 2 Or More OS On One Same Harddisk With LVM?
Jun 6, 2010
I have a 60GB hardisk, and try to install CENOS 5.5 HEL5.5 and Fedora13 on it. I partitioned the harddisk to 4 primary partitions like below:
Partition MountPoint Type
sda1 /boot ext3
sda2 VGRHEL LVM PV
sda3 VGCENT LVM PV
sda4 VGFEDORA LVM PV
I created 3 Volume Groups as you see up: VGRHEL, VGCENT, VGFEDORA; under every VG, i created 2 logical volumes ,just like below: VGRHEL=LVRHEL00(swap) + LVRHEL01(MountPoint: /) Below VG try to partition them the same as VGRHEL too. VGCENT=LVCEN00(swap) + LVCEN01(MountPoint: /) VGFEDORA=LVFEDORA00(swap) + LVFEDORA01(MountPoint: /)
I successed installed RHEL5.5 on VGRHEL, but when i try to use the same way to install CentOS 5.5, i got below error infromation: "Bootable Partitions cannot be on a logical volume" I don't why this happened, VGRHEL has logical volume too, but why i can install RHEL on it successfully.
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Jun 18, 2011
how can I clone my installed ubuntu to a new harddisk? with 32bit ubuntu I have used:tar cvpzf -> create a tar file on my external nas system. after that I have done a restore tar xvpfz - worked with 32 bit.
Alternative I have mounted both disks and via another linux partition I have used:
cp -rvbdR /source/* /target
both methodes worked with ubuntu 32 bit. With 64 bit ubuntu I can NOT get it to work. error message after booting the clone: /var/lib/gdm/.ICEauthoriy ..
I can see that /source/var/lib/gdm has different rights as /target - will be part of the problem.
This did not happen with the 32 bit ubuntu - but why ?
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May 16, 2011
After installing Slack 13.37 on one of my systems while using my own (non-standard) kernel it refused to boot as the harddisk couldn't be found anymore. Investigation yielded that the ahci.ko driver wasn't loaded (but libahci.ko was). However I listed both ahci.ko and libahci.ko in the mkinitrd -m parameter so there had to be an error in the new /sbin/mkinitrd script. It turned out that a grep at the end of the script weeded out my ahci.ko module as the searchterm "ahci.ko" was already detected in the modprobe line for libahci.ko.
I decided to fix it in an easy way : I just prepend a "space" in front of the module name at the line where the grep is called :
[Code]....
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Nov 5, 2010
I want to move entirely from windows to linux. My college has ubuntu running on the labs. But i have a thing fr Fedora. I want to install fedora & run win32 apps via wine. But just in case some apps need strictly windoze i was wondering about using BART PE as a minimal windows application use. Does BARTPE run all win32 apps like CAD, dialup client, burn iso, install on a small harddisk,boot up with linux?
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Jun 20, 2011
I just bought a western digital of 3 TB. Unfortunately Gparted gives error. Gparted can create a about 2TB+1TB, but when it is the whole disk, it does not work.
I tried JFS and EXT4.
My kernel is code...
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Mar 12, 2010
I have a new Ultra 27 running debian and i cannot see the second internal harddisk any ideas what to do to rectify this.
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Aug 29, 2010
during moving my root partition, i used the old grub and installed the old grub on harddisk:
grub
grub > setup (hd0)
now how could i install GRUB2 on harddisk?
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Nov 25, 2010
I was reading through the link on journaling-filesystems and i would like to know where exactly is the journal stored in my Harddisk.
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Apr 2, 2010
I tried to format my harddisk (160 GB) with the following command
dd if=/dev/zero of=/dev/sda
After some 3 hours, following error came up:
dd: writing to '/dev/sda' : No space left on device
312581809+0 records in
312581808+0 records out
160041885696 bytes (160 GB) copied, 10708.3 s, 14.9 MB/s
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Jun 21, 2010
For whatever reason /dev/sda3 (at /tydelik) does not mount itself (like all the other partitions) when the system reboots.
In YaST's expert partitioner it says that:
Quote:
An asterisk (*) after the mount point indicates a file system that is currently not mounted (for example, because it has the noauto option set in /etc/fstab).
Here is the /etc/fstab :
Quote:
I don't see a noauto option. Is it hiding somewhere?
Also, if I say the following then it seems that /dev/sda3 is ext2 and not ext3 (as YaST says).
Quote:
Firstly, how do I specify /dev/sda3 to be mounted by default (because I thought it would unless there is a noauto specified), and secondly, why is YaST not showing the same settings as when I say "mount" ?
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Jan 21, 2010
As i said in title, we need to erase all datas from harddisk before distroy our old servers.
Quote:
dd if=/dev/zero of=/dev/hda bs=1M
Quote:
shred -fzuv -n 100 /dev/hda
1. Which is the best practice to erase data, dd or shred?
2. How can i execute these commands in running server, do i need to re-boot the servers as RESCUE mode using bootable cd?
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Jul 9, 2011
I am using ubuntu but I am reading a windows harddisk via USB.Apparently some files does not appear and it cannot read zip files.
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Jun 3, 2010
I have tried mkfs.jfs but well not working.... The hardisk is bit getting old ...
I have tried gparted but it doesnt do that.
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Jul 18, 2010
I have suse in my PC. I want to format my harddisk completely and install suse again.How can I do this. I have the linux OS CD with me.
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Mar 8, 2010
I have just reinstalled Centos 5.3 on a new harddisk. I would like to copy some files from another harddisk which is also install with Centos 5.3. I have followed some guide in the internet but failed to mount the old harddisk. I got "unknown filesystem type 'lvm2pv'" error when trying to mount /dev/sdb2.
Details:
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Oct 7, 2009
I am using virtualbox to run windows xp.is there a way to access the harddisk occupied by linux and copy the information to the virtual memory in windows xp
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Apr 5, 2010
I have been working with dualboot XP and ubuntu on my laptop and screwed the system completely. No matter what I do I get the message "Operating system not found".I also have been trying with, super grub disk, without success.
My question: Can I solve the problem with a new or a blank Harddisk?
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Feb 19, 2010
I am trying to port the current Fedora4 system to the CentOS5 on a new harddisk. Actually, the Fedora4 system is constantly being hacked due to my lazy update. So i prefer a fresh install of CentOS5. I am not clear what files need copy and what does not need for ease and for avoiding possible backdoors. Kinda a big problem,
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May 18, 2010
I have a Western Digital My Book World Edition external harddisk with blue rings. I filled it up and now want to delete the data and start over. I'm set in my ways and have been accustom to reformatting harddisks periodically (sector maintainance, etc.) It's worked for me as I've luckily have not had a disk crash in 25 years.My webapp is not helping me with the reformat and neither is Western Digital tech support. I've heard that it was factory formatted with something called Linux ext3. Does this make sense? Has anyone had any experience with reformatting external harddisks being used as a NAS (home use).
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Jan 26, 2011
I have just installed ubuntu 10.10. I had about 270Gib available free to install ubuntu 10.10 on, but after the installation I can see only 141Gib ? how can I get the rest of the free harddisk ?
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Jun 3, 2011
I would like to install ubuntu 10.04.2 LTS in my desktop-pc. It boots, I select time zone and keyboard layout, but then it could not see my hard disk, so i cant go further.
But i can see the disk in console while typing:
Code:
# sudo fdisk -l /dev/sda
and I can also make changes in disk such as deleting all partions etc.
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Jan 6, 2011
I have a small issue where an USB harddisk is not automounting. CD's, USB pens etc. are automounting without issues, so it is a little bit strange.I am mounting it with UUID, because I want the mount point to be the same everytime.As you can see from the fstab, it is NTFS.
dmesg
[92.388083] usb 1-1: new high speed USB device using ehci_hcd and address 4
[93.079778] usb 1-1: New USB device found, idVendor=0bc2, idProduct=0502
[code]...
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Sep 21, 2009
My hard disk is failing, and I want to rescue the files from it before it is un-bootable. I was planning to do this by booting a live cd, making a .tar file of /, and then burning it to a cd or dvd. The disk is still bootable, but I'm getting warning messages that 73 sectors are bad. I have another hard disk ready to plug in, I just need to rescue the files, and then install Fedora 11 64-bit on the new drive, at which point I will overwrite / with the / from the .tar file.
Basically I was just wondering how to mount a hard disk to recover files from a rescue cd. I tried to make a .tar file of / already, but that failed because the system was active and changing the various system files at the same time that tar was trying to package them.
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Sep 19, 2010
Is there any way to secure harddisk accessbility ? i want encrypt my hard disk, and partitions that ubuntu installed on that. is there a way ? i want deny all access to hard disk, just my own root account can have access to all.
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Nov 10, 2010
I just bought a wd 2tb hdd for my media files and documents, what format should it be? ntfs or ext 4?
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Jan 20, 2011
I'm going to replace the primary hdd of my box with another one of a different manufacturer, but of the same size (long story, never mind)
My current plan so I won't have to reinstall my system is booting from a Ubuntu CD (or USB stick, whatever) and doing
Code:
dd if=/dev/sda of=/dev/sdb
(If sdb happens to be a few megabytes smaller it doesn't matter, the last partition is not important)
Now my questions:
1. Is this going to work? Is it a bad idea?
2. Should I use any parameters for dd, for performance? Like setting bs (or something) to a bit smaller than the both HDD's (equal) cache size?
If that matters, the hdd contains both NTFS, ext3/4 and reiserfs partitions. I use grub to boot Ubuntu, WinXP and Win7.
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Feb 17, 2011
I'm running ubuntu 10.10 on my Toshiba Satellite L645 laptop. Few hours ago, when my laptop was in screensaver mode, i couldn't login again, it was just blank black screen So i switch to terminal 1 by pressing Ctrl + Alt + F1 and login from there. Then i restarted by "sudo shutdown -r now". I did this a few times before and it's no problem. However, this time when the computer boot, I got the errors like :
---many similar errors like the following line---
mount: mounting /proc on /root/proc failed: No such file or directory
Target filesystem doesn't have requested /sbin/init.
No init found. Try passing init=bootarg
and redirected to <initramfs> prompt
So i googled and tried the liveCD and try to fix the hard drive with fsck. My partition resides on /dev/sda1 and using ext4
[Code]...
That's 3 blocks of information i got by following instructions on the IRC channel. I just forgot to paste the first command and now can't remember what it is
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Apr 28, 2011
I have a hardisk (seagte,80gb).I installed windows xp professional(60gb space) & Ubuntu 10.04(13 gb space)...Once a time i was in windows xp.after sometime it hanged.after waiting sometime. i press the key of reboot.after that one messege appeared "please select proper boot device & rebbot."then i went to my BIOS settings there i could not find my hardisk.I thought there is a bad sector in my harddisk.I went service center with my hardisk.After testing my hardisk they said no fault found.then I again installed XP & ubuntu & also replaced the hardisk cable.then after some day days I was on ubuntu.same thing occured(my pc getting hanged).& after rebooting manually my hardisk is not detecting...I am not clear..whatis the actual problem of my pc.
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May 7, 2010
I want to install Fedora Core-3 on Dell Optiplex 755 machine but when I am trying to install it, it is not detecting the hard-drive and unable to install it. When I tried to install Windows Xp, no problem for it and installed successfully.
My harddisk is WDC WD800JD-75MSA3 (80 GB).
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Mar 5, 2011
I have my harddisk partitioned with fdisk. It has seven partitions. I have some important data in my /home partition. The /home partition is almost full. I want to extend the size of /home. Mind you I'm not using LVM. Can I use LVM now and add another harddisk to extend the /home partition. Will I lose my data. Or do I have to re-install linux?
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