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0 votes
1 answer
367 views

Freshly Provisioned Cent-OS occupies a lot of space for "/dev/mapper/centos-root"

I created a fresh VM, however I started facing space issues as soon as it got created. From the du and lsblk command I see /dev/mapper/centos-root is occupying a lot of space. I tried running tree ...
Himanshuman's user avatar
0 votes
1 answer
176 views

Recovering RAID 6: drives are ok, but partitions are "lost"

I faced strange issue with my RAID 6 array (8 HDDs, mdadm). Accidentially 3 drives were disappeared from it, with corresponding result - array has been ruined, but - all 8 drives are perfectly fine, ...
Green Root's user avatar
0 votes
0 answers
122 views

How can I recover my data after I changed formatting type?

To better explain what is wrong now with my harddisk let me tell you the series of events: I was trying to expand a CentOS root partition. In order to do that I first tried to unmount and remove the ...
Parantap Parashar's user avatar
0 votes
1 answer
7k views

How to enlarge home directory on CentOS 7

I have an issue with the storage of my virtual machine which is running on CentOS 7. I'd like to enlarge the home directory which is currently completely used but there is clearly free space on the ...
Jaw. M.'s user avatar
0 votes
1 answer
1k views

How can I extend / dev / sda6 is it possible?

I need to extend / dev / sda6 on other occasions and used the following guide (https://www.miarec.com/doc/administration-guide/doc1012), adding a new disk to the vm, but apparently it is not ...
Antonio Lefimil's user avatar
0 votes
2 answers
898 views

Merge partition (CentOS 7)

I have CentOS 7 at VM and I want to merge /dev/sda3 with /dev/sda4 (recently created PV). Output of fdisk -l listed below: Disk /dev/sda: 24.7 GB, 24696061952 bytes, 48234496 sectors Units = sectors ...
ELatestark's user avatar
0 votes
1 answer
285 views

Centos/RHEL 7 - MBR with an extended partition > 2T

Studying for the RHCSA and I've been trying to find an answer to a question thats been stuck in my head... My understanding is for MBR you can have a total of 4 partitions which each cant be > 2TiB......
Strad's user avatar
  • 3
1 vote
1 answer
5k views

Error checking storage configuration (centos 7)

I tried to install linux centos 7 (dual boot), this is the first time i install linux so i've been following some tutorial. In the installation destination I've got an error message Error checking ...
Clarisa Valentin's user avatar
0 votes
1 answer
296 views

Which partition is the CentOS Operating System location?

When I install the CentOS6 operating system, there will create /boot, /, and swap partitions. I want to know which partition is the operating system location? such as if the CentOS OS break down, I ...
244boy's user avatar
  • 625
9 votes
3 answers
2k views

Partition disappeared after shrinking

I am using Windows 10 on an old Pentium Laptop. It had 4 partitions: C,D,E (System Reserved) and F I wanted to created unallocated space for CentOS. I used Windows 10 Disk Management to shrink C: ...
RPK's user avatar
  • 2,753
2 votes
1 answer
9k views

How do I format an NTFS drive on CentOS 7 so that I can also use it in Windows?

We have a LIDAR system that collects data in the field. The computers that process the raw data are Windows computers so we use NTFS. However, the LIDAR system itself runs CentOS 7. Normally this ...
Blackwood's user avatar
  • 195
2 votes
0 answers
493 views

Linux CentOS 7 doesn't allocate over 1024 KiB space for /boot partition

So this is a problem, that I have encountered the second time now. I am having machines here running dual-boot on Windows and Linux OS. I have managed to successfully install dual boot systems ...
Unit1's user avatar
  • 21
1 vote
1 answer
2k views

Change default swap disk in Centos7

We disabled older swap space (disk) that already mounted in /dev/mapper/centos-swap to increase size of the root(/). Then we create new swap file in /dev/sda3: # lsblk NAME MAJ:MIN RM ...
shozdeh's user avatar
  • 11
1 vote
1 answer
802 views

Resize /dev/root on CentOS 7.4 [duplicate]

I'd like to give /dev/root more space on my CentOS 7.4 system. # df -h Filesystem Size Used Avail Use% Mounted on /dev/root 20G 18G 302M 99% / devtmpfs 7.8G 0 7.8G 0% /...
Brian H.'s user avatar
0 votes
0 answers
87 views

Why I can't utilize my 2nd 1TB Hard drive in VESTACP?

I have an server with the following specifications Intel Core i3-530 2.93 GHz 4GB RAM Storage 2x 1000GB HW RAID CentOS 7.2, 64 bits with NO RAID I installed VESTA CP. It works OK but I have a little ...
meethay aam's user avatar
0 votes
0 answers
192 views

CentOS 7 : How to increase disk space with additional disk so as if there was only one disk?

I have a VPS running CentOS 7 with an original 10 GB disk on which everything is installed /dev/vba1and formatted in xfs. I ordered from my provider an additional 50 GB disk that I need to format and ...
Geoffrey Hug's user avatar
2 votes
0 answers
27 views

Vboxmanage resize HDD but not the real size? (CentOS Guest, Windows Host)

I have this situation. whereas the actual is 7.62 GB then i tried to execute the steps given from here Geekwebsite. to make it bigger to 14GB (which is 13.92GB) Everything smoothly working... until ...
gumuruh's user avatar
  • 153
1 vote
1 answer
8k views

How to give permission to user after mounting a hard disk on Centos 7?

I have a HP Microserver gen 8 that i'm using as a NAS at my home, with Centos 7. And i just got a new hard disk 2 TB, after i installed it in the bay, and rebooted the system. I've used fdisk to ...
Abude's user avatar
  • 113
0 votes
1 answer
1k views

Move Linux Partitions, Dual Boot with windows

I'm not thinking about Expand Linux Partitions... I need Shrink (one, the larger) and move it (two, with the swap)... Here my HD from Windows View (Disk Management) Now, I want to reduce the last ...
joseluisbz's user avatar
0 votes
0 answers
1k views

Why does the output of `lsblk` and `df -h` seem to conflict?

I'm trying to create a directory /mnt/data that will be mounted on to /dev/mapper/centos-home, since that's the biggest partition. The output of lsblk looks like this: NAME MAJ:MIN RM ...
Marcus Buffett's user avatar
3 votes
1 answer
321 views

Resize LVM on KVM CentOS 6 VM

I've got a base image that I'm booting my VM's from. The base image is only 1.5GB. Different VM's will have different requirements for disk space. I've setup the VM with the default setting: VolGroup ...
user3063045's user avatar
3 votes
1 answer
12k views

CentOS 7 Linux resize filesystem after partition resize

I am running CentOS 7 on a HyperV virtual server. I recently increased the size of the hard disk from 32GB to 64GB and used GParted Live to extend the partition, which seems to have worked as shown ...
Pandy Legend's user avatar
0 votes
1 answer
57 views

Centos fstab how to know what filesystem to put

i have installed centos with default settings, and i'd like to partition my server securely by modifying fstab. Thing is i don't know which filesystem i should put in the fstab file to reference eg. /...
Jojo Coana's user avatar
0 votes
1 answer
196 views

How to change CentOS partition to LVM?

I have CentOS installed in a virtual machine, but its partition is in old-style, now, I need to change it to LVM. Is it possible? And how to do that? I don't want to reinstall the system. The current ...
Yves Messi's user avatar
0 votes
1 answer
221 views

Centos 6.7 Partitioning command

The current storage on the server is Filesystem Size Used Avail Use% Mounted on /dev/vda1 118G 109G 3.0G 98% / tmpfs 2.9G 0 2.9G 0% /dev/shm /dev/vdc 118G 40G ...
Wade's user avatar
  • 1
0 votes
1 answer
98 views

storing virtual box VMs in multiple partitions in CentOS

A CentOS 7 server has Virtual Box installed, and the default location of the Virtual Machines is in /root/VirtualBox VMs. Is there a way that I can put each virtual machine in a separate partition? ...
SomeOne's user avatar
0 votes
2 answers
2k views

Resizing LVM partitions on a live CentOS 6 server

I currently have the following partitions: ACTIVE '/dev/vg_server/lv_root' [50.00 GiB] inherit ACTIVE '/dev/vg_server/lv_home' [1.76 TiB] inherit ACTIVE '/dev/...
Uberswe's user avatar
  • 256
0 votes
1 answer
6k views

CentOS 7: How to support a 3tb, 4tb, or 5tb drive, as a single partition, without UEFI

My CentOS 7 server is running on a system that is non-UEFI and I need to clone a 500GB HD to a 5TB HD to be used as the new boot drive. What is the cheapest, least time-consuming option to support ...
John's user avatar
  • 123
1 vote
1 answer
1k views

Removing /tmp partition, what will happen?

We have a CentOS 6.6 server running, which is using a Raid0 on SSDs for the /tmp mount point (used for fast i/o). These SSDs need to be removed from the server, so the device where /tmp is pointing ...
mariodeng's user avatar
  • 113
10 votes
4 answers
10k views

fdisk - do i need it or can i make a filesystem directly?

i read about fdisk being able to creation partition / which is to break down a physical disk into several logical partitions. If i intend to utilize the whole disk as a whole, is it still necessary ...
Noob's user avatar
  • 1,625

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