GUID Partition Table (GPT)

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40 views

How to rescue deleted partition table on drive?

I accidentally dd the first 512 bytes using dd if=/dev/zero of=/dev/sdb bs=512 count=1 and the partition table is now gone. Is there ANY way to re-create the partition table. My hard drive is ...
3
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1answer
149 views

setting the 'hidden' attribute on a partion from Linux (parted) isnt respected by Windows?

when I set the 'hidden' flag on a GPT partition it's not respected by Windows 8.1 (Windows attempts to mound, throws UI, etc). However if I set the 'hidden' flag from diskpart.exe it is respected - ...
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1answer
1k views

XenServer 6.2: how to use a partition on install disk as SR?

I'm setting up an old spare server with XenServer 6.2 to run some test VMs and to get some experience on XenServer itself (we're used to our own linux+xen setup and to the usual VMware suspects). ...
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0answers
65 views

Scientific Linux: RAID5 unaccessible after netboot by mistake

A server running old scientific linux 6.0 suffered damage from an enabled netboot during reboot by trying to load some crap from an application server in the same subnet (I saw him stuck somewhere in ...
2
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1answer
656 views

Repair corrupt GPT partition on graid mini disk

I'm trying to repair a GPT corrupt partition table on a graid mini 1TB external hard drive. Here is the report from gdisk: root@philippe-desktop:/home/philippe/thomasdisk# gdisk /dev/sdb GPT fdisk ...
2
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1answer
866 views

Windows 32-bit and 64-bit and GPT

I know similar questions have been asked before across several sites, but the answers at least to me have been confusing and conflicting. My understanding has always been that 64-bit Windows will ...
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3answers
4k views

Resize base XenServer 6.0 partition

I've extended my hardware RAID device on LSI MegaRAID controller by adding disks to the array. While making Linux notice the block device size change was not straight forward, I've found that one can ...
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0answers
206 views

ZFS on >2TB disk in Ubuntu 12.04? [closed]

I just got a 4TB disk and I'm running Ubuntu 12.04. http://www.thegeekstuff.com/2012/08/2tb-gtp-parted/ says you need to partition your disk with GPT if you want to use >2TB (and that you can do this ...
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1answer
1k views

Autounattended.xml & GPT partitions

We are trying to setup an unattended install of windows 7 to a gpt partition on a Lenovo U410, which has UEFI bios. This webpage outlines how to format the disk for GPT. If add the default ...
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1answer
180 views

lvm-managed gpt partition: partition length exceeds the loop-partition-table-imposed maximum

CentOS 6.4 /dev/sdb is a hardware raid. I'm getting this error reported from 'parted -l': <snip> Model: JetStor JetStor -VOL#000 (scsi) Disk /dev/sdb: 39.0TB Sector size (logical/physical): ...
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3answers
117 views

Recover data on a hard-drive that changed partition table

I changed the partition table on one HDD from GPT to MBR/MSDOS but I realized (too late) that it affected all partitions on the same HDD. Basically I lost data on the secondary partition which I ...
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1answer
161 views

GPT Partition corrupt [closed]

I have a little bit of a story. I spilt hot chocolate on my lovely Lenovo Ultrabook and killed it. I fixed it and put a new keyboard in. Windows was running quite slowly so I went to do the Windows 8 ...
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2answers
68 views

Formatting a new disk partition

I just added a new raid1 volume to my Windows 2008 server. The raid sync has just completed so I want to format it. I got this message: That disk will be used just for storage, no need to boot ...
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4answers
14k views

How to perform a P2V conversion of a Windows Server 2008 R2 EFI system?

As discussed elsewhere, Windows Server 2008/R2 will automatically use the EFI boot loader when installed on EFI systems, and will also automatically use the GPT partitioning scheme on such systems. ...
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0answers
124 views

Disaster recovery for RAID and mdadm

I´m having a software raid 5 with 5 2TB members. After partitioning with gparted, my RAID doesn´t work any more... How can I check the consisty of each member? What would be my options, if the ...
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0answers
126 views

Corrupt XFS header

On my file server I ended up growing the RAID (5) and then I went ahead and deleted and remade the partition holding the XFS filesystem. I used Parted to do this. After parted ran I tried to mount ...
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1answer
299 views

Is it safe to change the name of a partition in a gpt table using parted?

I guess it IS but I didn't find any explicit statement that changing the name does not affect the data in the partition in the parted documentation and since I could loose a lot of data I want to know ...
1
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1answer
366 views

install boot with raid 1 in 3 TB disks

I'm trying to install /boot in a RAID 1 using 3 TB disks. As the RAID partition do not let you manage partitions than more than 2 TB, CentOS automatically configures the partitions using GPT. My ...
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1answer
3k views

Setup grub2 on a GPT software raid 3 TB HDD

I like to setup grub2 on a GPT softare raid 3 TB HDD. Number Start (sector) End (sector) Size Code Name 1 2048 1050623 512.0 MiB FD00 Linux RAID 2 ...
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0answers
241 views

Restoring a GPT XFS partition?

I recently added some storage to a RAID array with a single large XFS volume. To expand the volume I normally use parted to remove the partition and then recreate it so that it spans the entire ...
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2answers
4k views

Installing Fedora 17, Error “you have not created a bootloader stage1 target device” [closed]

Installing Fedora 17 on a new computer with the live CD ISO. When I get to the part where I create new partitions for the Fedora Installation I get these errors: you have not created a bootloader ...
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1answer
1k views

Clone and resize NTFS GPT partition?

I have a ntfs partition, GPT, of 5.6 TB containing only 200 GB of data, that I need to fit onto a 1 TB partition (of a vmware ESXi guest). Vmware converter does not support GPT. Acronis disk director ...
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1answer
337 views

Booting Linux 2TB+ partitions

I am using VMware ESXi vSphere 5.0.0 and mounting a 6TB LUN from my Dell EqualLogic SAN. I am presenting the LUN using RDM (Raw Device Mappings) so as to be able to see all 6 TBs. So far, so good. ...
6
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1answer
8k views

Ubuntu server, gpt partition table, mdadm, grub boot fail

Basic working system details: I used the Ubuntu 12.04 server CD to install a server. I have 4 disks. On all disks I did the following, similar to this howto : created a 2GB swap partition created ...
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3answers
1k views

Does Hyper-V support GPT disks on the host?

Are there any issues with Hyper-V (on Server 2008 r2) if the host is formatted as GPT? Someone out there has tried this...
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1answer
226 views

raid5 configuration on new dell server, sbs, win2008r2

Looking for a bit guidance configuring hardware raid on a new dell t610, I am basically trying to install Hyper-vR2 as the parent OS, then I will run SBS11 and WIin2008R2 virtually on top of that. ...
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1answer
3k views

Build and migrated to software raid (mdadm) on GPT disk, now can't assemble array

mdadm, gpt issues, unrecognized partitions. Simplified question: How do I get mdadm to recognize GPT partitions? I have been attempting to convert/copy my Ubuntu 11.10 OS from a single drive to ...
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1answer
3k views

Creating GPT partitions on EFI raw disk using diskpart

I've got a raw, blank GPT disk for use in a UEFI system. I need to create the partitions on it using diskpart. The only tutorial I've found so far is for diskpart.efi, which I believe is slightly ...
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2answers
1k views

HP Proliant DL120 G7 with P212/256MB SmartArray Controller GPT Support

I have the HP Proliant DL120 G7 server with P212/256MB SmartArray Controller configured with 4 - 2TB drives as RAID 1+0 (4TB usable space). I would like to have a small partition for my Linux OS and ...
0
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2answers
2k views

Getting around the lack of GPT support with CentOS 5.4

Last night I upgraded a server (Dell 2970) to have four 1TB Hard Drives in RAID 5 which leaves a 3TB block. I tried to partition this but keep getting an error that GPT is not supported so. I found ...
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3answers
1k views

Maximum size of VMDK to support large NTFS filesystem in guest

I have a need to support an 8TB filesystem within a Win2k8 guest system running on VMWare. From what I've read online, the maximum size VMDK I can create is 2T, is this still the case? Will I need ...
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0answers
287 views

CentOS 6 installation crashes when trying to boot media from BIOS set to UEFI mode

I'm trying to install CentOS 6 on Dell R410 server. As I need a GPT large disk support, I set the BIOS to UEFI configuration. The problem is that I'm getting crashes once the server tries to boot from ...
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0answers
511 views

CentOS GPT partition on USB device

I have a development server that is running CentOS 5.x. I have two 4TB drives that use eSATA that I use for backups. When I got these drives I learned the version of parted in CentOS 5.x did not ...
2
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1answer
925 views

GPT partition types

I'd like to know or know where I can find a good explanation of GPT. With MBR there was partition types. Not with GPT. There is fs-type and flags (anything else?), which seem to over lap. Can I mark a ...
2
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1answer
4k views

grub2 does not find /boot on RAID1 md0 device

I have RAID1 md0 for /boot consisting of 4 partitions (sda2, sdb2, sdc2, sdd2). I'm using GPT on 2TB HDDs, so first partitions on each disk (sda1, ...) are 1-megabyte bios_grub partitions. I also ...
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1answer
170 views

gpt partition for raid 6 that was 4.5TB, will i have any issues under server 2008 64bit r2?

has anyone had any issues with using one large gpt partition of 5TB on a raid 6 setup with a 3ware raid controller. i am using the partition as a basic file sharing backup repository, nothing fancy. ...
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1answer
1k views

Convert MBR to GPT partition format

Is there a way I can convert an MBR partition setup to a GPT partitions with out having to destroy all my data? Thanks
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0answers
827 views

What are the implications of GPT when attempting image-based deployment for workstations?

I've got 13 machines with identical hardware that I need to deploy. The machines all have the new UEFI standard, which apparently forces GPT regardless of disk size. I've thus far been unsuccessful in ...
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2answers
428 views

Resizing this particular partition, Mac OS [closed]

I am currently running on Apple Mac OSX Lion 10.7 (11A480b) and I am trying to resize my partitions on the disk for one of our servers. I already downsized a previous installation of Mac OSX Lion ...
0
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2answers
1k views

How to work with Mac/GPT disks in Linux

I use Ubuntu and Debian Linux. I have an image of a (mac) disk that uses GPT. How do I mount one of the partions on this? I have installed gdisk and can list the partitions on the image. I would ...
2
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1answer
606 views

Booting FreeBSD from whole-disk ZFS pool?

I have a FreeBSD fileserver configured with one ZFS pool created from whole disk devices. That is, the pool was created like this: zpool create pool0 raidz ada0 ada1 ada2 This means the disks have ...
0
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1answer
761 views

How to correctly mount GPT partitions that might have originated on either Linux or Windows

I've inherited some code that examines all available unmounted partitions and tries to determine the correct way to mount them. It checks the partition type ID using sfdisk, then issues the command ...
0
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1answer
3k views

Windows 2008R2 x64 large partition size not usable

I have installed a win2k8r2 system on a large (4Tb) drive. During the setup I made my C: drive 300Gb, wanting to use the rest as a large data partition (was hoping GPT can be used), but after the ...