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Thread: Installing a new HDD

  1. #1
    Join Date
    May 2013
    Ubuntu 12.04 Precise Pangolin

    Installing a new HDD

    Hello Everyone
    I'm installing a new 500GB HDD. I'm dual booting Ubuntu 12.04 and CENTOS 6.4. Is there a way to have both OS's access this HDD?

    Thank YOU

  2. #2
    Join Date
    Aug 2009
    Makati City, Philippines
    Xubuntu 16.04 Xenial Xerus

    Re: Installing a new HDD

    You are dual booting centOS and Ubuntu on a single hard drive? And then you are adding another physical drive?
    I don't see any problem with that. Turn off the computer and plug in the hard drive. Boot into each OS and see if they could detect it (and it should be).
    The only problem here I think is the different mount paths used by ubuntu and centos. Or if you are using LVM, that's another story.

  3. #3
    Join Date
    Jun 2006
    Ubuntu 17.04 Zesty Zapus

    Re: Installing a new HDD

    If you create ext3/4 partitions in the new HD and entries in /etc/fstab in both OSs to mount them you will be able to access the partition(s) from both. However, there is one potential problem that may create a complication.

    The UID of the first created user account in Ubuntu is 1000. Fedora, from which Red Hat and ultimately Centos is derived, used to make the UID of the first user 500, but it has been 1000 for a year or two now. As Red Hat/Centos is never based on the latest version of Fedora, it's possible that your user account in Centos has a UID of 500, in which case you will have to sort out your permissions, perhaps with a custom usergroup in both OSs. If your Centos UID is 1000, then ignore the foregoing. Quickest way to check is from the terminal in both:

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