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

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Is there any way to fix a corrupted LDM database?

TL;DR: Are there any tools/approaches to diagnosing and fixing LDM (Logical Disk Manager) metadata structures without recreating from scratch? Full description: I have two SSD drives ...
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143 views

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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725 views

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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678 views

Error 5 partition table invalid or corrupt

I'm trying to add a second SSD to a Centos 6 system. But I get the Error 5 partition table invalid or corrupt at boot. The system already has a single SSD (sdb) and a pair of HDDs (sd{a,c}) in a ...
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160 views

Create Windows Recovery Image on Windows 8.1

I'm deploying some Lenovo ThinkPads for a small organisation. I want a simple recovery option if a user munges up their system. Luckily, they come preconfigured with the windows recovery partition ...
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1answer
441 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 ...
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371 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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479 views

How to automatically increase the partition size of multiple Ubuntu nodes in VMware vSphere?

We have dozens of Ubuntu nodes where I have to resize the hard disk drive to different sizes. Currently I’m doing all of the following steps manually: Increase the size of each node’s virtual hard ...
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61 views

Server 2008 R2 Disk Managment Shows D:\ as 2 separate partitions

Original config of Poweredge T110 was a 250GB SATA. This was 40GB C:\ and rest D:. It only has 9% free, so, I decided to just put a 2TB drive in, and make it D:\ instead. So I extended my drive ...
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342 views

Breaking off /tmp using LVM

I've recently been put in charge of a RHEL6 server running our NMS. I don't know much about Linux filesystem administration. What I'm needing to do is create a partition for /tmp, instead of having it ...
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How to fix Hadoop HDFS cluster with missing blocks after one node was reinstalled?

I have a 5 slave Hadoop cluster (using CDH4)---slaves are where DataNode and TaskNode run. Each slave has 4 partitions dedicated to HDFS storage. One of the slaves needed a reinstall and this caused ...
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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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184 views

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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0answers
435 views

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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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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65 views

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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103 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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115 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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77 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 ...
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151 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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118 views

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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2k views

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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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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374 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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472 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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433 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 ...
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149 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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76 views

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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316 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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404 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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251 views

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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Ubuntu 12.04 and Hardware RAID 5 and LVM

I have an existing database server setup with RAID5 (3pcs 1 TB disk - usable is 2TB). One of its partition is /data is LVM. There is production data already in the First RAID 5 so we opted to create ...
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31 views

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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40 views

Using SSM to modify partitions

I've installed CentOS 7 on a new machine. After struggling with the partition manager for some time I relented and let it create the defaults. As a result I have a / with 50gb and /home with ~800gb. ...
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90 views

Rebuilding FakeRAID RAID 5 with new disk, no partitions show up, invalid PMBR

I have a RAID 5 array with 4 2TB disks on a HP Z800. One disk failed and was swapped out for a new one. I went into BIOS Intel Storage Matrix Utility and set the Array to rebuild with the new disk. ...
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Is there a way to create an EFI partition smaller than 1MB or am I reading partition sizes wrong because the disk has been converted to Dynamic

I have been trying to get add a Mirror to my System drive in Windows Server 2012 R2 and I've been getting the error: All Disks holding extents for a given volume must have the same sector size ...
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Unable to create partition utilizing all sectors on an AWS EC2 instance with EBS volume

I am working on an AWS EC2 instance. I have attached an EBS volume from other instance to this machine. I want to expand root partition on the volume. I am using gdisk. Following is the output of p ...
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Resize RAID 1 Partitions - Software RAID on CentOS

I have made a huge mistake with my server configuration and getting now really in trouble. I'm running a WHM/cPanel server on my CentOS, it's a production server with some websites on. My root ...
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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 does not mount with ACL option

Debian 7.5 : Installing package acl I've edited /etc/fstab and added the acl option to / I've remunted the partition to avoid reboot by doing sudo mount -o remount,acl / Problem : The mount command ...
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does the number of lvm logical volumes affect ssd performance

Please let me know what your thought are on this. I've installed Ubuntu multiple times on a msata ssd mS200S3 120GB. There is a noticeable decrease of read performance on the exact same hardware for ...
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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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99 views

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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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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How to install a Debian on the remote Server with running Debian alreadz?

There are many tutorials (e.g. the main I think: D.3. Installing Debian GNU/Linux from a Unix/Linux System), how to install a new Debian from one another. But they all sounds for me like you need a ...
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442 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 ...
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494 views

Ubuntu Server - Screwed up partition table?

So I think I've screwed my Ubuntu server after using PING (it's a tool like Norton Ghost) to try and create a backup image. Basically the system got to an unbootable state just with the grub ...
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How long does it take to change partition sizes?

I lease a dedicated web server running CentOS. It has 2x120GB SSDs in a software RAID-1 array. The following partitions exist on the machine: MOUNT TOTAL USED ====================== / ...