You’ll probably have wanted to boot from a Linux live CD, DVD or USB to perform this work. These utilities naturally have their own man pages, so this is a good place to start if you already know how to use fdisk or cfdisk.Īssuming your drive is mapped to /dev/sda and has no valid partition table, we could run gdisk /dev/sda from a root prompt. You could use gdisk, which is closest to fdisk, or cgdisk, which is closest to cfdisk, to configure the drive in question. Let’s assume you wanted to configure a new GPT-based drive. These programs work with MBR-based drives. You may already be familiar with using fdisk or cfdisk. Method 2: Creating a New GPT Table in Linux with gdisk It’s always best to back important data up before proceeding to prevent the loss of anything important. Keep in mind that you probably don’t want to do this to a disk with valid file systems, but a few people have reportedly done so. This might take a few moments, but you can type exit immediately afterward when you’re ready to move on. Once you’ve selected it, type clean and then covert gpt. Type diskpart, then list disk and then finally select disk followed by the disk number to identify the drive you’re attempting to reformat. Once you’ve booted, hold down Shift and push F10 at the same time to open a DOS terminal window. If you need to make a USB stick with a valid UEFI GRUB2 multiboot USB stick, then continue to Method 6. You may have to first enable this option before it permits you to do so openly. If you’re having trouble, then enable UEFI booting in the BIOS configuration screen and then test that you can boot from any USB stick you’ve made with a GPT table if this is applicable. Users of Asus netbooks may wish instead to hold down the Esc key after pushing on, which will give them an options menu and thus allow them to select the correct boot media. How you do this differs between the various hardware vendors. You may need to hold down a key such as F1 or F2 to enter the U/EFI BIOS configuration menu to select a removable media option. Method 1: Converting an Existing Drive Using the Windows Command Lineīoot your PC from a Windows Setup memory stick or DVD. Please note, though, that using this sort of arrangement to additionally boot OS X or macOS Sierra more than likely won’t follow along with the same steps. If you’re dual-booting Windows and GNU/Linux, then you can actually convert an existing disk using the Windows command line as well. You have the option to reformat your drive for UEFI completely by using the GPT style, though the original EFI specification supports MBR partitioning as well. Users with Windows pre-installed somewhere on the disk will already have one of these partitions. EFI-based installations store their boot loaders in the EFI System Partition instead of the Master Boot Record, which means GRUB will live somewhere else than where you’re used to if you’re booting or dual-booting Linux. This is counterintuitive to those who have worked with the more traditional technology. Using the newer GUID Partition Table (GPT) technology can be confusing, though, since it doesn’t support extended or logical partitions. Status: One or more devices has been taken offline by the administrator.Actually doing the partitioning work for any U/EFI-based Linux or Windows implementation isn’t much more difficult than writing partition tables for a standard MBR-based operating system. └─cl-swap 253:1 0 16G 0 lvm by-id]# zpool status I have attached a zpool status and lsblk. How can I get this drive back in the zpool? I remove partitions with gdisk, and still received the error.Īnd, I physically replaced the drive with another drive and still received that error. The drive is available by dev/disk/by-id name and /dev name. I tried replacing drive with same drive using zpool replace and got the drive is in use and contains unknown filesystem. I had a missing drive, which bugs me to no avail, I've been using ZFS for awhile and always use /dev/disk/by-id names. Five drives and after reboot zpool would not load.ĭid a zpool import -a, to import the zpool and datasets.
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