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

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Ubuntu 14.04 Installation with Preseeded RAID 1 Partitioning

I have been having a painful time trying to automate an Ubuntu 14.04 Server Installation with RAID 1 partitioning. I'm testing this on top of VirtualBox with two Virtual Disk Images (dynamically ...
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How to migrate /var back into the main partition [duplicate]

I have two harddisks, mounted on / and /var I need to migrate the /var partition back into the / partition. What are the steps required to do this?
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What Is Using All The Partition Space On dev/md1 [duplicate]

My CentOS 6 dedicated server (CentOS release 6.6 (Final)) keeps running out of space on the dev/md1 partition. The server is running Plesk 12.0.18. Here's the structure: $ df -h Filesystem ...
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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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16 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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13 views

Windows 8 boot from mirrored (shadow) partition on same drive [migrated]

I have a configured a dual boot option of mirrored partition on two different drives of Win7 successfully in the past but cannot get it to work correctly on Win8 with one drive and two partitions and ...
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40 views

resizing a Debian linux partition without losing data

i have made by mistake a small partition partion on my Debian installation and after installing openvz on this bare metal server i notice that i created production vps on this partion and that it ...
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14 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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41 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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How to extend windows server 2008 system volume?

My system partition is running out of space and need to extend it. Here is the scenario: All volumes are on one disk and there is no raid. I have C:\ system partition thats full, I have a E:\ ...
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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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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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484 views

Can't open /dev/xxx exclusively. Mounted filesystem. How to create volume groups and lvm on mounted disk?

I've 3 partitions sdb1 sdb2 and sdb3. I wanna to create a volume group and lvms in the sdb3 which is the mounted linux partition where is located my root folder. I'm typing: pvcreate /dev/sdb3 ...
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53 views

How to set number of inodes during initial Centos 6 ext4 install?

There are similar questions, but nothing that was exactly on par with what I am inquiring. Completely fresh install of Centos 6, the server is setup with a BIOS RAID 1. I'm trying to set the number of ...
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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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139 views

Installing RHEL 5.8 on > 2TB drive

I'm trying to install RHEL 5.8 x64 on Cisco UCS C240 server with 4TB OS Drive. The drive is behind LSI MegaSAS. Before installing RHEL, I booted off from an Ububtu 14.04 Live DVD. Using gparted, ...
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Disk Partitioning and Layout with LVM

I am trying to determine the best disk configuration/disk layout/partitioning scheme for a large, virtualized, multi tenanted environment. Our current scheme is very similar to rhel/centos defaults, ...
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Is it possible to set the backing FS directory of a specific LXC?

So they don't all go to the same folder (e.g. /var/lib/lxc)? This would let the user take advantage of other partitions/disks when the default one becomes full. lxc version: 1.0.6
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Server virtual processors and processing units

I am using PowerVM hypervisor with AIX operating system, and having troubles understanding the difference between virtual processors vs processing units. Here is an example: I have got a server with ...
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Why is the BOOTMGR inside of the MBR?

According to the MBR strcuture definitions I have found, the partition table data should be within the bytes ranging from 446 to 510 of the first block of the disk. However, when I run: sudo xxd -g 1 ...
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92 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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81 views

fdisk -l return cannot open /proc/partitions

I have a Debian server with 4.5Go on the /dev/simfs partition. Filesystem Size Used Avail Use% Mounted on /dev/simfs 4.5G 3.2G 1.3G 72% / tmpfs 474M 76K 474M 1% /run ...
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Multiple physical volumes in a block device

I have a single (unpartitioned) block device in a server which is used as the single physical volume (pv1) to a volume group (vg1). Without attaching more storage to the server, is there any way to ...
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LUKS partition recovery

A drive with 2 partitions - the first partition is plain ext4, second one is encrypted LUKS. The partition table has been overwritten. I've found the beginning of the second partition, which I need to ...
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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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139 views

testdisk can see my partitions but cannot recover them all

my NAS got a corrupted partition table yesterday (I don't know the cause) Now I run testdisk and I get this in the first analyze step: Partition sector doesn't have the endmark 0xAA55 However when ...
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926 views

Why can't diskpart clean my disk?

I have a Hyper-V Core Server 2012 R2 with the following disks: Disk 0: SSD C:\SSD (mount point to Disk 1) Disk 1: HDD C:\ (boot drive) Disk 2: RAID-5 (not mounted) Disk 3: RAID-0 ...
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Directories inside /var are on root partition not /var partition

Few weeks ago I installed Opensuse 13.2. I partitioned the disk so that root '/', /var, /tmp and /home are on different partitions. Today I noticed that although /var is on partition sda8, all ...
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I mixed the arguments of sgdisk -R /dev/sdY /dev/sdX

I have two raid1 arrays and an LVM partition across both raid arrays. A disk died and I tried to copy back the partition table of the other member to it using sgdisk -R But I mixed the arguments, ...
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31 views

Abstract physical drives to create a resizable raid array: is it possible?

I want to set up two hard drives with a portion of them set in raid1. I want that portion to be scalable too, as logical LVM volumes are. Is it possible to abstract physical volumes or to create an ...
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158 views

Fail to resize partition on Ubuntu 14 LTS / ESXi5

I want to resize the main partition of my Linux VM. I added space through ESXi interface Booted on GParted and resized the partitions However, the system does recognize the changes on disk ...
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Recommended partition scheme for a production server with two 147G hard drives?

I have a dedicated box whose specs are: CPU: 4-core Xeon 3450 *1 (HT enabled) RAM: 8GB DDR3 HDD: 15k SAS 147G *2 (currently in RAID 1) The current OS is Windows Server 2003. I am running a web ...
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54 views

LVM on disk with no partition table. How to reallocate free space with fdisk?

I shrank an LVM in half using these commands: e2fsck -f /dev/VG/LV resize2fs /dev/VG/LV 5G lvreduce -L 5G /dev/VG/LV Inspecting the physical volume yields this: --- Physical volume --- PV Name ...
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No space left on device in spite partition is not 100% [duplicate]

I am trying to do the following on my Linux machine CentOS release 5.8 cd /var/APPstoreldap/Home touch test touch: cannot touch `test': No space left on device so I verified the partition disk ...
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The partitioning of a big disk is necessary for LVM's vg space expansion

I am maintaining a LVM's vg as users' /home directory's storage space. But now I need to add a new 2T sized disk for extending the /home space. I wonder if the partitioning is necessary or not and ...
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Linux change partition

I got a "little" problem with my linux server. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty I used the default configuration of my server ...
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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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How to check disk usage of directories in a particular partition?

If I use "df /dev/sda1 -h", it only shows the whole usage info like used and avail. But I want to see the usage of each directory. However, if I do "du -h --max-depth=1", it shows all the directories ...
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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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243 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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Linux: When to create a new partition?

I am a newbie on LVM management trying to learn how to create new logical volumes. This is what I understand on how to do it: (Just want to make sure I understand it correct.) create partitions on ...
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478 views

centos 6.3 increase disk size on /

I have a VM running CentOS 6.3. LVM is not installed. From the VM side, I have increased the underlying disk from 15GB to 40GB, so I now need to expand the partition and file system. I've managed to ...
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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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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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Partition alignment on MegaRAID RAID 1 with 4k sector (advanced format) drives

I want to setup RAID 1 (mirroring) on a LSI MegaRAID SAS 8708EM2 (1078 chipset) with 4k sector (advanced format) drives. To the best of my knowlegde the controller does not officially support 4k ...
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Manage large disks in Windows 2012

We have a shining new server with 5 6Tb disks. We don't have physical access to it, so any "in BIOS do X" stuff is out of the question. I have been "forced" by the web interface of my to pre-format ...
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Cannot shrink partition on Windows Server 2012

I have the following issue. I am trying to take space off of VMs and add it to the OS partition. However, whenever I try any of the VMs it will not let me shrink the space so I have free to expand the ...
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110 views

Increase partition size in debian server

I have a debian server instance and I need to increase the root partition size of it. I installed the parted program and took a backup first. Then I attached another 2GB volume to the instance. When ...
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How can I check the partition name in FreeBSD?

I am currently running my server in the rescue mode, due to the firewall issues. In order to disable the firewall thing I would have to mount the / partition. My problem is that I dont know/remember ...
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Why my AWS volume size is different from the actual size?

It's very wried to see my actual disk size is much less than the actual size. From the information, looks this disk is not be partitioned. I have no idea why the actual size is 20G but disk size is ...