A partition is a means of logically dividing a computing resource (most frequently disk storage)

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Logical Volume Recovery

I have a machine with 180 or so logical volumes as well as an OS partition that were wiped out with a format when reinstalling centOS6. I made a terrible mistake, not being familiar with the interface ...
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Script partitioning fresh raw disk images with sfdisk (C/H/S ignored?)

I'm trying to automate the process of creating raw disk images. I don't care so much about C/H/S, but that the block size should be a rough standard of 512 bytes. However, I'm having trouble ...
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How can I wipe a logical partition from a bootable usb?

I'm looking for a way to wipe just one partition from the drive. Currently I have a recovery partition which needs to stay as it is and a partition with windows 10 installed which needs to be wiped. ...
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319 views

how do I plan partitions for LUKS encryption of a CentOS 7 server?

A CentOS 7 web server needs encryption at rest. I would like to use LUKS encryption for this, but I need direction to plan how. Can I use LUKS encryption to encrypt the entire drive as one unit on a ...
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915 views

Amazon EC2 - Not able to find / mount EBS volume partition

I have a linux instance to which a ebs volumne of 20GB has been attached. The web-console volume page shows: 20 GiB gp2 snap-b3a87xyz in-use i-cd5b9999 (myinstance):/dev/sda1 (attached) The web-...
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Reclaiming free space in filegroup with single chronological partition

-moved here from SO (no coments there) Question: what is a proper way of reclaiming space in big (hundreds of GBs) filegroup with single partition of table that is chronologically ordered and has no ...
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CentOS 7: GPT and software RAID 1 without 'biosboot' partition

I have a CentOS 6 server with software RAID1 (2x3TB): - sda # parted /dev/sda unit s print Model: ATA TOSHIBA DT01ACA3 (scsi) Disk /dev/sda: 5860533168s Sector size (logical/physical): 512B/4096B ...
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Windows Diskpart: How to select disk based on LUN ID

I have multiple LUNs attached to my Windows 2008 server from a SAN storage controller. Each LUN has a unique ID. However, it has no correlation to the disk number in the Windows. For example in the ...
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Partition block size different from device's and stacked LVM volumes ones

I have a pair of HP ML350 G6 servers with LSI MegaRAID 9266-4i+CacheVault driving Supermicro CSE836E16 enclosures via SAS bracket, filled with WD RE 3TB SATA drives. On these are configured a RAID10 ...
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Resizing partition with DiskPart using desired and minimum options is unsuccessful

I have a few systems I want to shrink the primary (and only) partition to about half of the disk and then create a new partition in the newly available space. The disks are 500GB. I want to script it, ...
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Can you have an MBR partition and a GPT partition on the same RAID 5 VHD in Windows Server 2008 R2?

I have a Power Edge T610 with a PERC 6 RAID 5 Array, recently i posted a question about expanding the array with other drives and was able to use OMSA to add additional drives to the array and then ...
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75 views

Units for size in /proc/partitions don't make sense

I have a Seagate 750GB drive. Parted shows the drive as 750GB parted /dev/sdc print Model: ST375064 0AS (scsi) Disk /dev/sdc: 750GB Sector size (logical/physical): 512B/512B Partition Table: gpt ...
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how to work with actual hard drive when mirror drive stop working linux?

i have linux/Ubuntu server 2 hard drives mirror with raid. unfortunately one partition is having EXT-fs4 error (/dev/md2) .. aborting journel frequently.. after reboot it fixes but happens again.. ...
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Convert Grub4Dos Volume to NTFS

I can't run Windows Backup because one of the critical volumes is not NTFS. I have identified the partition, but I want to make sure it is safe to convert to NTFS. I have 3 partitions: System ...
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127 views

HD recognized by BIOS but not Linux or GParted

I have an old (2007) Dell Precision Workstation 690 with Ubuntu 12.04. It has 2 mirrored 139G SAS drives for OS and 2 WD Black 2TB data drives that were formatted ext4 and rsynced and had my virtual ...
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issue in increasing disk size in ubuntu guest vmware

Have followed link I was trying to increase the size of my disk allocated to ubuntu guest in vmware below are the things i have already done Increased max setting in vmware settings - Done ...
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Partitions not recognized when installing Kubuntu 14.04 over complex RAID setup

I have three identical HDDs. Using a ROM utility, I configured the use of 90% of each of them as a RAID 5 array, and the other 10% as a RAID 0 array. That is, each array uses some area on all three ...
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256 views

LVM psychical volume partitions

I have 2 logical volumes in a volume group that span two hard drives. The problem that I'm currently having is that the I can no longer mount the volume group because the superblock is misreporting ...
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278 views

Configuring Proxmox Cluster Storage

We are configuring proxmox on our servers at two locations each location has; 1 x hp c7000 enclosures with 16 blades 1 x hp proliant dl585 We also plan to add a 24TB SAN to each location. We are ...
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131 views

Snapshot of BTRFS Device on top of luks Volume

I have the following problem: I can't figure out, how to create a snapshot of a btrfs volume residing on a crypted disk. This is the setup: /dev/sdb is a 1TB USB 3 disk. it has a partition /dev/...
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485 views

installing CoreOS using usb device and CoreOS ISO

I have some doubts about installing CoreOS using the image ISO. I follow the steps in CoreOS docs, in the Install section: cfdisk -z /dev/sda touch "/usr.squashfs (deleted)" # work around a bug ...
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241 views

shrink live mdadm partition with LVM

My goal is to shrink an mdadm RAID 1 partition while the system is running. I have to disks sda and sdb, which build my two RAID partitions md0 and md1. On md1 I use LVM, md0 is the /boot partition. I ...
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50 views

partitioning a 2x larger disk to house zfs migration

so there are numerous sites taking about using vdevs made from disk partitions like this in order to reorder vdevs of different sizes. however, i have the following physical disks: Disk /dev/sda: ...
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484 views

Ubuntu Preseed Raid 1 with multiple partitions

I intend to create the following RAID 1: Partition Size Filesystem / 20GB ext4 /boot 500MB ext4 swap 2GB swap /backup 10GB ...
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756 views

Cannot create partition on disk using PowerShell: “New-Partition : Not enough available capacity”

I'm trying to create two partition on the USB flash drive. The first small 350Mb partition is created fine, but the second throws "New-Partition : Not enough available capacity" even though there is a ...
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650 views

Cannot initialize disk in PowerShell : Initialize-Disk throws “The disk has already been initialized”

I'm trying to change the flash drive's partition style to GPT using PowerShell, but the cmdlet throws "The disk has already been initialized" (even though I've cleaned the drive): PS C:\WINDOWS\...
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185 views

Create a AD-LDS partition under a child of the primary partition

I have a AD-LDS instance running on a Server 2008 R2. I have this application partition, created at installation : dc=enterprise,dc=example,dc=com I have succesfully followed this procedure to ...
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Setup cloadmin on Centos installed in LVM

I installed CentOS 6 with default LVM partition pattern. according to this pattern Can I use Cloudmin and store KVM Disks in LVM as Logical Volume?
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393 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 volume....
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469 views

e2fsck miserably aborts: memory allocation failed on 64 bit OS and scratch directory

After an unsuccessful Virtualbox VDI drive resize following the instructions here, the primary ext4 partition became of unknown type. I fixed this with testdisk and then boot-repair, which made it be ...
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Data drive disappearing

We have a Windows 2003 R2 server with SP 2 here that randomly loses a partition. There are two partitions the C: and the D: (the one that disappears). When I go into Disk Management the space shows ...
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Enabling quota on xfs partitions

OS: Ubuntu 16.04 I have installed the quota commandline tool from apt and found some instructions to enable quota on the root partition by appending rootflags=uquota,gquota to GRUB_CMDLINE_LINUX ...
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Merge partition with EFI in the middle (Windows)

I bought a Chuwi Hi12 tablet. It's a double boot windows+android 64gb tablet. I don't need the Android part, so I would like to merge the Android space to the C: drive. But: there's a "SYSTEM" "EFI ...
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Rewrite partition table for 1 HFS+ partition

2 hard drives in an enclosure got their partition tables corrupted, I'm guessing due to some error with the RAID controller (set on JBOD, never changed it or triggered any RAID initialization). Both ...
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Debian jessie 8.1 x64 installer doesn't detect VMware disk properly

While running an installation of debian 8.1 (via netinst with PXE using our own mirror on-premise), I encountered the following problem: When the installation got to the disk partitioning stage, the ...
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Error on one of four drives, cannot format or read

I'm having weird problems with a small SSD drive, F: (120GB). C:\Users\Administrator>chkdsk f: The type of the file system is RAW. CHKDSK is not available for RAW drives. Server management ...
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Create a new Linux boot disk using a reference disk?

I need to build a Linux boot disk for a system, but assemble the disk using a different system than the one the disk is for. I have a known-good "reference" disk: is there a way to selectively clone ...
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Installing Ubuntu and PostgreSQL database on different drives

I just received a new root server with the following drives: Disk /dev/sda: 480 Gb Disk /dev/sdb: 480 Gb Disk /dev/sdc: 240 Gb sda and sdb are set up on RAID-1 and what I want to do is setup Ubuntu ...
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How to change the boot order if Two boot partitions exist on the Linux Machine

I have an open vpn server running on my Ubuntu server 14.04.I took the backup of hard disk /dev/xvda (which includes the boot files) to an img file using the dd command. Machine A dd if=/dev/xvda of=...
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Reducing the Size of a Partition in RAID1 CentOS

I need to reduce the size of a partition in RAID1. The current configuration of the disks are shown below: (parted) select /dev/sda Using /dev/sda (parted) p Model: ATA ST1000NM0011 (scsi) Disk /dev/...
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Unable to access logical drive presented to Windows 2008 R2

I have a virtual disk that I'm presenting as a LUN to a Windows 2008 R2 host. When I log into the host after presenting the disk and go to disk management it shows up as 4 different primary ...
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How to resize LVM thinpool?

I am trying to partition an ubuntu 14.04.3 server where I need to have thinly provisioned LVM volumes of 20G in size. Therefore I created a thinpool of 20G and inside a LVM volume of equal size. Now ...
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Proper Partition Alignment

I'm trying to follow the advice from this TechNet article about partition alignment. Our San is an EMC, the disks are in a 4 disk raid 10. This services an I/O intensive application, 60:40 write:read. ...
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Proliant DL380 G5, MSA60, Opensuse 13.1

I should apologize for my limited English. I bought recently an used MSA60, to replace a set of small e-SATA boxes. The disks they contain are mostly 3T bytes SATA ones. When I put the disks in the ...
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partition turned read only after mysql crash

I am not able to write on a particular partition. The mysql data directory is hosted on that partition and it suddenly became read-only when mysql crashed on a query. [root@ESERVER new_dir]# > /...
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What is the best way to resize the “/” mount point that is not LVM?

Lately I am trying to update the packages in my Centos (Physical Box) and got error about not enough space. What is the best way to resize a mount point that is no LVM? Follows are some information: ...
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Raid partitions not listed in /dev

I've assembled software raid1 /dev/md1, and made two partitions /dev/md1p1 and /dev/md1p2. Now even after reboot I can't see these two in /dev. Why? (udev service is running) #fdisk /dev/md1 ...
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Powershell script to retrieve the same kind of info reported by DMDIAG for dynamic disks

This article about windows partition alignment explains that checking the alignment offset of dynamic disks can be done with the DMDIAG tool to get the "relative sectors" property. With dynamic ...
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545 views

Why Wmi info for disk size is wrong?

i am expecting a very curious problem. In a script collecting disk infos on a list of W2008 servers, i realize that, for some servers, the Wmi info for the disk size is wrong. My Powershell command: ...
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604 views

PowerShell doesn't like the -AssignDriveLetter option of the New-Partition cmdlet

I'm trying to create a partition on the USB flash drive using the New-Partition cmdlet. But when I use the -AssignDriveLetter option I get "New-Partition : Invalid Parameter" even though this option ...