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

learn more… | top users | synonyms

2
votes
3answers
65 views

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% ...
1
vote
1answer
66 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 ...
-5
votes
1answer
143 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 an GPT type. It is an outer restriction, that nothing can be done about. It seems as ...
-1
votes
1answer
1k 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 ...
0
votes
1answer
63 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 ...
1
vote
1answer
60 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 ...
35
votes
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 ...
1
vote
3answers
286 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 ...
0
votes
2answers
112 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 ...
1
vote
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 ...
1
vote
0answers
324 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 ...
0
votes
1answer
51 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 ...
0
votes
1answer
78 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 ...
1
vote
1answer
185 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 ...
1
vote
2answers
87 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 ...
0
votes
1answer
92 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 ...
1
vote
2answers
1k 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 ...
0
votes
2answers
79 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 ...
0
votes
0answers
58 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 ...
0
votes
1answer
164 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 ...
0
votes
1answer
87 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 ...
1
vote
2answers
608 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 * ...
2
votes
1answer
188 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. ...
0
votes
0answers
44 views

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 ...
1
vote
1answer
395 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 ...
3
votes
2answers
997 views

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 ...
2
votes
2answers
188 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 ...
-1
votes
1answer
139 views

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 ...
0
votes
1answer
79 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
votes
1answer
538 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 ...
0
votes
0answers
116 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]# > ...
1
vote
1answer
183 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 ...
1
vote
1answer
112 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 ...
1
vote
2answers
1k 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 ...
-1
votes
2answers
214 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% ...
-1
votes
2answers
128 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 ...
0
votes
0answers
66 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 ...
1
vote
3answers
118 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 ...
0
votes
1answer
483 views

Resizing Partitions on Live RHEL/cPanel Server

I've resized many partitions over the years on Linux, Windows and Mac OS X -- but always using a GUI. However, the time has come where the preset partition sizes my data center placed on my server ...
1
vote
1answer
55 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 ...
0
votes
1answer
136 views

Mount /usr on different partition

I want to mount /usr directory on different partition and keep the same owner on all files and subdirectories in /usr directory. I want to mention that this issue is for linux ec2 machine where I ...
2
votes
3answers
138 views

Strangeness during Windows Server Install (drive duplication) [SAN]

I have recently taken over as an administrator for an IBM chassis and associated blades, along with accompanying IBM SAN. One of the blades is running VMWare ESXi 5, and we don't need it anymore, so ...
0
votes
2answers
49 views

Why the root partition is not reduced after attaching new partition to the /var directory?

This is my disk state before attaching new virtual disk: Filesystem Size Used Avail Use% Mounted on /dev/xvde1 4.9G 4.6G 1.3M 100% / tmpfs 828M 0 828M ...
0
votes
2answers
183 views

reached the maximum partitions on my virtual machine

I have a virtual machine and I extended the size since I needed more space. Here is what I have and the message I am getting: I was reading up and I saw some references to diskpart.exe and it gave ...
18
votes
3answers
3k views

Why are there only four primary partitions on an MBR disk?

I'm reading the docs over at CentOS.org. In section 25.1.2. Partitions: Turning One Drive Into Many, there is the following statement: The partition table is divided into four sections or four ...
7
votes
1answer
2k views

Are ZFS pools or LVM volume groups more reliable for utilizing many partitions?

When deciding whether to use LVM volume groups or ZFS pools in configuring new file servers, what needs to be considered? Is there a "better" choice in the realm of multi-purpose file servers? Unlike ...
2
votes
1answer
83 views

How to add partition table to existing EXT4 filesystem

I have software RAID6 on 8x3TB disks (18TB), there is filesystem od device /dev/md1, but EXT4 can`t be bigger than 16TB so there is 2TB of free space. I would like to use this space. My first idea was ...
1
vote
0answers
132 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 ...
0
votes
1answer
84 views

size of extent on LVM2

in LVM1 there was a limit of 65k extends. So size of extent had to been chosen carefully between wasted space on partitions (to big extent) and maximal possible size of logical volume (too small ...
1
vote
2answers
369 views

Ubuntu Server install claims 3 TB RAID1 volume is 801.5 GB

I have a brand new server containing two identical 3 TB SATA disks. These are in a hardware RAID1 configuration using the onboard Intel RAID controller. The BIOS sees the two disks as 3 TB and the ...