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

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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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1answer
881 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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136 views

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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66 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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1answer
347 views

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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2answers
56 views

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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2answers
182 views

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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1answer
129 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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2answers
111 views

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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1answer
102 views

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 ...
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3answers
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Accessing multiple disks under single virtual partition?

I have disks as below on my Debian server: /dev/sda1 276M 29M 233M 11% /boot /dev/sdb1 917G 793G 79G 92% /home /dev/sdc1 1.8T 1.7T 79G 96% /home2 /dev/sdd1 1.8T 1.7T 79G 96% ...
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80 views

Installing boot manager to a raw LVM physical volume

Is it possible to install some boot manager to disk with raw physical volume inside (i.e. no partition table)? I tried LILO and LVM volumes became inaccessible (due to LVM structures corruption). Boot ...
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1answer
191 views

Can a Windows Server 2008 server use a GPT-only partition table?

I have here a little bit uncommon system: its primary hard disk can't have an old, DOS (MBR) partition table, only a GPT type. It is an outer restriction, that nothing can be done about. It seems as ...
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1answer
2k views

Shrinking or removing home partition in CentOS 7 installation [closed]

I made the mistake of creating a home partition that fills up all my disk space, and it's formatted in XFS, which to my knowledge isn't shrinkable. Since I have no use for the home partition anyway ...
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1answer
69 views

How to generate random files and directories that are scattering across the whole partition? [closed]

I want to perform a heavy test of using "resize2fs" to shrink the file system. Currently, I have script that creates a few hundred thousand files taking several hundred GB. But it doesn't take very ...
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1answer
75 views

create parition for xen with lvm on raid-1

First I don't have any experience creating xen, lvm and RAID-1 server, thus after several reading I stumbled upon this ubuntu documentation to install xen. BUT, because in the documentation it ...
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10answers
3k views

Linux on VMware - why use partitioning?

When installing Linux VMs in a virtualized environment (ESXi in my case), are there any compelling reasons to partition the disks (when using ext4) rather than just adding separate disks for each ...
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3answers
343 views

Disk Partitioning on AWS EC2

I'd like to know if it's possible to create a partioned volume and if it even makes sense to do that on an Amazon EC2 server. I have a standard Ubuntu server and I'd like to separate the /home and ...
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2answers
123 views

how to backup partition layout?

How I can backup(and restore) partition layout of the Disk along with file system types,UUIDs,labels,LVM partitions(Linux LVM) etc, plus with MBRs and VBRs etc but without actual files I want to ...
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2answers
1k views

Change partition and / or mounting CentOS 6.5

I never did it before, please keep that in mind if I ask a beginner question now, but the info I've found on the internet weren't really useful for my case. df -h Filesystem ...
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11answers
11k views

How bad is it really to install Linux on one big partition?

We will be running CentOS 7 on our new server. We have 6 x 300GB drives in raid6 internal to the server. (Storage is largely external in the form of a 40TB raid box.) The internal volume comes to ...
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350 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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1answer
255 views

Should I create ZFS zpools with whole disks or partitions?

I am making zpools on FreeBSD machine. While creating zpools i observe these two cases:- If i take raw disks and create zpool then i am able to form zpools and they are working perfectly. If i ...
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52 views

How to change /home size

This server is running CentOS 6.5 minimal and comes equiped with two 3TB HDD. df -h shows: Filesystem Size Used Avail Use% Mounted on /dev/md2 1008G 933M 956G 1% / tmpfs ...
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79 views

df on 7.7GB shows 400MB available while du -sh / reports 3.8GB used [duplicate]

I believe df is reporting incorrect disk usage, as I have the following problem: I deleted a few files to free up space, then run the following: $ df -H reports 7.7GB on Volume and 400MB ...
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237 views

Partitioning SSD and HDD in Linux NAS [closed]

There is a computer with four 2.7 TB hard disks, under control of Intel Rapid Storage Technology. And one 120GB SSD. We need to use it to store some data that we are collecting and computing. I think ...
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2answers
96 views

Ways to setup a ZFS pool on a device without possibility to create/manage partitions?

I have a NAS (Synology DS214 with DSM 5.0) where I don't have a possibility to create and manage partitions (maybe I could with some hacks that I don't want to make). What ways to setup multiple ZFS ...
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1answer
104 views

Debian Installer Partman and reserved blocks

I did this preseed configuration but I'm unable to remove the percentage of reserved blocks directly from the partman recipe. It seems that the option "partman-basicfilesystems/specify_reserved" is ...
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2answers
2k views

Cant find my harddrives in ubuntu installation?

I was trying to setup a Microserver with two 1TB harddrives as a software RAID. Somehow it didnt work and now ubuntu 14.04 is not starting. My problem is that I dont see the drives anymore when I go ...
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2answers
90 views

How to recover key after using LuksRemovekey?

I have an encrypted partition on /dev/sda5, yesterday I use cryptsetup to remove the encryption using cryptsetup luksRemovekey /dev/sda5, but when I restart I have to provide a passphrase for ...
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63 views

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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201 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 ...
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99 views

How to create two partitions with same size?

I created two partitions using the following commands. parted /dev/sda --script -- mkpart primary 1 50001 parted /dev/sda --script -- mkpart primary 1948001 1998001 Each partition should have 50001 ...
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2answers
966 views

Mounting disk partition inside LVM

I have a logical volume what's used for a xen disk: Disk /dev/d0_vg/backup: 10.7 GB, 10737418240 bytes 1 heads, 1 sectors/track, 20971520 cylinders, total 20971520 sectors Units = cylinders of 1 * ...
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1answer
254 views

VMWare ESXi has two diagnostics partitions

I just installed a new VMWare ESXi 5.5 server and checked the partitions on old 5.0 ESXi and on the new 5.5 ESXi and the new one has two VMWare Diagnostics partitions but the old one has only one. ...
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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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1answer
458 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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2answers
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Mdadm won't create an array larger than 10TB

I have a server with six 4TB drives running Ubuntu 14.04 LTS. One of the drives is used for the system/OS I wanted to use the other 5 drives to get as close to 20TB of storage as possible It's a ...
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2answers
228 views

mkfs on raw software raid device or partition

I am making a huge RAID10 device (8 TB) for storage on CentOS. I have created the 4 partitions on my 4 physical hard disks and have created the raid device /dev/md2 out of those 4 partitions. Now ...
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1answer
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ubuntu 12.04 combine hard disk partiions

I´ve a Vm with Ubuntu 12.04 installed. Thus the hard disk is running out of disk space my plan was to increase the disk space and after that expand the existing root logical volume with a newly ...
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1answer
82 views

Fiberchannel disk Centos6.5

I got some fiberchannel disk shelves including several 300Gb SCSI drives and a HP c7000 blade system with multiple blades in it. As there is no storage controller (filer) available i have to do it ...
3
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1answer
705 views

MDT: choose specific partition to install Windows on

For several reasons I need to be able to customize MDT, so that I can choose which partition I want to install Windows on. We already have this option when we install from a simple Windows DVD, so why ...
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122 views

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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1answer
197 views

How can I place /tmp, /var, /opt, and /usr/local into a /data partition instead of the / partition?

I want to partition a CentOS 6.5 server that has 4 RAID VDs: sdb - 102398 (100GB) sdc - 2185727 (2TB) sdd - 11440639 (11TB) sde - 11440639 (11TB) So that I can have the majority of the disk space ...
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1answer
127 views

how to add a raw device on RHL

I am using a server to which someone added a harddisk. I am struggling to get this to work. I am a regular Linux user (but haven't done this stuff before). I have googled up and tried to follow the ...
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2k views

Redhat resize Partition

First off, I'm an absolute newbie in Linux, but I've been tasked to automate the process of resizing a partition on RHEL 6.5. The server resides as a virtual machine in VMWare, and we are trying to ...
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277 views

Created 100GB ec2 instance, but only shows 10GB?

I just created a new EC2 instance of 100gb with only 1 storage disk. However, my df -h output shows the following : [root@ip-10-252-37-164 ~]# df -h Filesystem Size Used Avail Use% ...
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2answers
140 views

Impossible remove Logical Volumes or Volume Group LVM2 [closed]

After a disk crash part of a LVM group, I can't use LVM2 properly. If like delete a Logical Volume impossible (Error on SATA Volumen) lvscan Couldn't find device with uuid ...
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69 views

Mount Partition Read-Only in Red Hat

We have a server installed with Red Hat, kernel (2.6.18-274.3.1.el5) and RHEL version 5.7 (Tikanga) with Raid 10. When we try to copy files to one mounted partition it will change autocratically to ...
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131 views

Expanding ext3 /usr partition safely with minimal downtime

I have inherited a Centos 5.5 server provided by Softlayer. My /usr partition is filling up, and I can't see any quick wins by deleting cruft. It looks like the sheer number of cpanel accounts is to ...