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chainloading 2nd sata drive partition 5

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  #1  
Old 04-05-2011
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Join Date: Sep 2010
Posts: 30
chainloading 2nd sata drive partition 5
  

Hey friends, I am writing one problem over here, actually I am using CentOS operating system on my computer and I have planned to dual boot it with Ubantu operating system. I have done with dual booting but I am facing some problem in grub file to Chainload the other operating system. My CentOS is working perfectly, even it owns the MBR and was in place before I added Ubantu OS. I have added Ubantu to the free space of the second hard drive in partitions its grub was installed there only, and my OS is not running file, it is showing difficulties in chain load the 2nd hard drive. So can anyone help me with this matter? Thanks a lot in advance.

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  #2  
Old 04-05-2011
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Join Date: Apr 2009
Posts: 1,106
Re: chainloading 2nd sata drive partition 5

Hello, I have checked your problem; I can say that it?s not a big deal. Even I am using dual boot at my place and it is running smoothly. As per my knowledge you must boot up CentOs and post the output returned by following path:
/sbin/fdisk -1
/sbin/blkid
If you will do like this then output with a perfect path on each partition and disk relates. And hopefully it will work for you, All the Best!
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  #3  
Old 04-05-2011
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Join Date: Nov 2008
Posts: 1,185
Re: chainloading 2nd sata drive partition 5

Hey I have applied the method which is mentioned in the above, I have got success in it bur there is some mistakes has been done by me. But still it is quite worth to use this method. I have written logs of both commands, just check it out.

/sbin/fdisk -l

Code:
Disk /dev/sda: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   83  Linux
/dev/sda2              14       19457   156183930   8e  Linux LVM

Disk /dev/sdb: 160.0 GB, 160041885696 bytes
255 heads, 63 sectors/track, 19457 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1        9106    73143913+  83  Linux
/dev/sdb2            9107        9237     1052257+  82  Linux swap / Solaris
/dev/sdb3            9238       14348    41046017    5  Extended
/dev/sdb5            9238       14348    41046016   83  Linux
/sbin/blkid

Code:
/dev/mapper/VolGroup00-LogVol01: TYPE="swap" 
/dev/mapper/VolGroup00-LogVol00: UUID="9edda862-2d74-428d-96d1-20a16adf9010" TYPE="ext3" 
/dev/sdb2: TYPE="swap" 
/dev/sdb1: LABEL="/" UUID="7b7f15a0-1b1f-45a8-8bc4-5353c9bb4586" SEC_TYPE="ext2" TYPE="ext3" 
/dev/sda1: LABEL="/boot" UUID="046838cc-7fdf-4e3f-af3e-117bb43ee907" TYPE="ext3" 
/dev/hdd: LABEL="CentOS_5.4_Final" TYPE="iso9660" 
/dev/VolGroup00/LogVol00: UUID="9edda862-2d74-428d-96d1-20a16adf9010" TYPE="ext3" 
/dev/VolGroup00/LogVol01: TYPE="swap" 
/dev/sdb5: UUID="9840824f-7d88-4114-ad52-db2166fe538a" TYPE="ext3"
So friend try this method and enjoy technology.
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  #4  
Old 04-05-2011
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Join Date: Nov 2009
Posts: 1,269
Re: chainloading 2nd sata drive partition 5

Hey I have one another solution for it. I have read the logs but I am getting confused in /dev/sdb1 & /dev/sdb2). So I have the solution with Ubantu grub. I think Ubantu grub record has been written to start of dev/desd 5. I think usage of setup and boot commands within grub will solve the problem. try below code for this purpose:
Title Ubuntu (10.10)
Root (hd1, 4)
Chainloader +1
I think using this method you will be able to solve the problem related to Chainloading. All the Best.
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  #5  
Old 04-05-2011
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Join Date: May 2008
Posts: 962
Re: chainloading 2nd sata drive partition 5

Hello everyone, there many ways which can help you for Chainloading of operating system. I have other option for you all when sdb1 and sdb2 appeared after CentOS were installed with only sda selected for CentOS. I came to know this thing when I installed Ubantu. While doing check logs of mount, if they are as follows then your problem is solved.

Mount

Code:
/dev/mapper/VolGroup00-LogVol00 on / type ext3 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
/dev/sda1 on /boot type ext3 (rw)
tmpfs on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
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  #6  
Old 06-05-2011
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Join Date: Sep 2010
Posts: 30
Re: chainloading 2nd sata drive partition 5

Hello everyone, thank a lot to you all for your kind help and interest in solving my problem. After reading your post I have solved my problem. I came to know that because of CentOS, there was error occurring in Ubuntu. But after reading above post I made some changes in mount and /sbin/fdisk -1
/sbin/blkid folder and after that I made some changes in the log file and now I have cleared my problem. Thanks a lot again, without you all it was not possible. In addition I wanted to say that Ubuntu is quite good OS.
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