Questions tagged [diskmanagement]

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Calculating the difference of size between fdisk and df

Say I have a 1TB SSD and I want to create a 400GB partition with ext4. So I use fdisk and mkfs to achieve that: #### fdisk #### sudo fdisk /dev/sdb # New primary partition, with partition 1 starts ...
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Ubuntu - unable to extend partition with growpart - partition 1 could only be grown by 2046

I want to extend /dev/sdb1 partition I extended disk for 2 GB in Hypervisor and new disk size is shown for /dev/sdb disk (from 20 to 22 GB) Device Boot Start End Sectors Size Id Type /...
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Browsable Disk Not Shown in Win10 Explorer

Out of ideas myself so hoping someone has seen this or can throw ideas at it. I have a Win10PRO x64 21H1 with latest monthly updates installed C, D, E, F Drives - all Internal F Drive not shown in &...
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Is there some way to change windows disk size without actually increase it?

What I mean is, for test purpose, Can I change the disk size showed for Windows without actually increase it. For example, in "this computer", the real disk size is: 50gb, but I'd like to ...
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EBS Won't Size Correctly Windows Instance

My root volume won't expand to the size the EC2 console shows we've set the drive to. The C:\ should be 1.5 TB but only shows as 50 GB. The option to expand the volume isn't present in the disk ...
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Unable to grow Windows 2019 C: system partition

I have a software vendor supplied 2019 Server virtual, with a very simple one partition setup. Unlike many of similar questions I've come across while searching, this one does not have recovery ...
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176 views

Windows 10: How do I set a hard disk offline by default?

I have a disk that I want to keep in an offline state, even across reboots. It's a backup disk that should remain offline until I'm doing a backup. Short of opening the case and pulling the power/...
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Linux LVM - and re-arranging disks?

The root filesystem is in a VolGroup that consists of /dev/sda5 and /dev/sdd1. So in between those 2 drives there is sdb and sdc, and i would like to remove those. I am guessing that sdd will be ...
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Virt Block device resizing [duplicate]

I am attempting to expand the size of a virtual disk on an existing image. I was successful to expand the virtual hard disk and partition thanks to this guide, but noticed my virtual disk was still ...
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How can I extend xfs /boot partition with free disk space (centos 7)

I have just over 4GB of space free (/dev/loop0) and have added a second disk /dev/sdb how can I use either of these to extend /boot partition using all of it? df -h Filesystem Size Used Avail ...
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How can I reduce the size of / and increase /boot (CentOS7)

The /boot partition keeps getting filled up during updates how am I able to reduce the size of / and then increase /boot by 5GB? df -h Filesystem Size Used Avail Use% Mounted on devtmpfs ...
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Does Cassandra rebalance the data after inserting additional disks?

I'm running a Cassandra cluster with 5 nodes, each having 10 1Tb disks (JBOD). Currently, one of the nodes is in the problematic situation where a large compaction can no longer succesfully complete ...
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CouchDB deleted database shards

Currently running clustered CouchDB v3.1.1 on an AWS EC2 Instance q=2 n=3 Number of Nodes: 1 I have moved the database directory to another drive on my VM. But can't find any on the documents ...
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Atop shows MDD stuck at 100%

After investigating a load spike on my CentOS 7 server, I ran atop and noticed something odd. It is reporting MDD for my logical volume (md127) maxed out at 100% all the time. The other disk tests I ...
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How to convert my hard disk PartitionStyle from GPT back to RAW in Windows 10

For testing purposes, I need my hard drive on Windows 10 machine to be in a RAW partition style format. It is currently in the GPT partition style. The hard drive is a secondary hard drive and does ...
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From mdadm raid to LVM (raid or mirror) decisions and how to monitor

We are migrating some server from linux raids (0 and 1) to LVM with stripe or mirrors. At the moment our systems are mainly configured something like | /tmp - /home - /others |------------------------...
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azure attach read only disk

i am running forensic experiment on azure and need to use one machine for the experiment and a different machine for the looking at the content. the experiments rely on registry and other elements and ...
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Increase EXT4 size on Debian whilst preserving Data in a VM?

I've been trying to increase the partition size on one of our servers as it was created years ago and was set too small. I've increased the size in the VM that hosts this but now I'm trying to get ...
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How to verify if a disk was ever written to

How can you verify if a disk is fresh and has had no write from the factory? I have a client that needs to make sure that the disks he revived are cleaned and weren't tampered with from the time it ...
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Debian/Ubuntu, inconsistency between S-ATA ports numbering and /dev/sdX lettering [closed]

The hardware situation is as such : a motherboard (MSI X99A SLI Plus), two (2) Samsung 860 Pro SSDs connected on SATA-1 and SATA-2 of the motherboard. five (5) identical HDDs connected on SATA-3, ...
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"Windows Storage" reports much more disk usage than Folder Properties

My IIS inetpub folder says it's using 2.52 Gb (2.64 Gb on disk) but when I analyse disk usage with Windows Storage it says the folder is 60.0 Gb. Why is this happening and how can I get my 57.36 Gb ...
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Unable to extend the volume, the option is greyed out

I'm trying to extend the D partition: with the new unallocated space, but it doesn't give me a choice, I've been looking at the Microsoft documentation and it indicates that it may be for these ...
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1 vote
2 answers
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Windows server 2012 R2 VM doesn't see full space on virtual disk

I have a windows server 2012 R2 VM on vmware esxi 6.7. Have 2 virtual disks for C and D partitions respectively. Partition C - thin provision, part D - thick provision lazy zeroed. I extended second ...
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(LVM) Cannot restore Volume Group with 1 PVs marked as missing. Couldn't find device with uuid, but the pv exists and blkid finds the same uuid

This problem is on a kvm/qemu hypervisor with CentOS 7, where we host multiple virtual machines. The Disk /dev/sda( 1918.2 GB) is a raid6 LSI MEGARAID. [root@mia3 ~]# fdisk -l Disk /dev/sda: 1918....
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Recover deleted LVM signature

I guess I've deleted LVM partition. I expanded the datastore in vmware ( 70 GB to 90 GB ), then I run echo 1> /sys/class/block/sdb/device/rescan. After that I run fdisk /dev/sdb. it shows my sdb ...
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4 votes
1 answer
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Oracle Exalytics X4-4 server - RAID 1 volume corrupted while data sync was going on

We replaced a failed drive in Oracle Exalytics X4-4 machine. Failed drive was replaced fine and rebuild started. But when rebuild reached at 70%, the main disk got a bad sector and the rebuild failed....
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How to create backup/snapshot of Unmanaged OS disk in azure?

I have a Virtual Machine which has an associated Unmanaged OS disk with it. If my OS disk is of managed type it gives me option to take snapshot of the disk. But for unmanaged disk it is not giving ...
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How can I umount /dev/sda1 partition in ubuntu?

I have a Ubuntu VM which has an unmanaged OS disk associated with it. I want to shrink my OS disk of size 50 GB to 40 GB. However, when i try to unmount /dev/sda1 partition it tell me umount: /...
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How to measure DPWD on VMware?

I want to know the amount of data read and especially written per day, per week, per month. But how to achieve this on VMware? The disk which are integrated differ. E.g. the disks are in SANs, NASs ...
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Unattend installation not working - "We couldn't create a new partition or locate an existing one"

I can't seem to get an unattended installation to work it fails with: "We couldn't create a new partition or locate an existing one. For more information, see the Setup log files."
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Where are "Debug Dump Files" located in windows?

Windows has a tool called "Disk Cleanup" (German: Datenträgerbereinigung). There it lists "Debug Dump Files" which can be deleted. Unfortunately it doesn't tell me which files are meant. It can't be ...
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Why Extend Volume is Grayed Out in Server 2012R2?

As seen in the screenshot, I can't expand my Basic Disk2 for Data2 Volume (F:). This is Server 2012R2 Virtual Machine, Unallocated space of 1TB was added to the VM Disk2 from vCenter Datastore. I ...
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Could LVM creation format my disk?

I am new to LVM. I am Ubuntu user. This is my disk sda 8:0 0 465,8G 0 disk ├─sda1 8:1 0 512M 0 part /boot/efi └─sda2 8:2 0 465,3G 0 part / sdb 8:16 0 931,5G 0 disk ...
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LVM Second Logical Extents is Missing

Edit 1: Just to clarify no data was written to the new extents. I know this because the admin grew the file system with fdisk right after doing the lvextend, he then rebooted for the changes to take ...
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Get-Disk returns HealthStatus "Warning" and OperationalStatus "Other" for Compellent iSCSI volume

We utilize Dell Compellent storage and I'm in the process of developing a script to provision new iSCSI volumes to Windows servers using the Dell PowerShell SDK. I've successfully provisioned a ...
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1 vote
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Msft_Volume: multiple records for 'D:'

Im getting some strange results for Msft_Volume query Get-WmiObject -Query "SELECT * FROM Msft_Volume" -Namespace Root/Microsoft/Windows/Storage I see 'D' drive six times! I there any explanation ...
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Linux disk expansion error:You must delete some partition and add an extended partition first

I researched the reasons for this error, Can't do more than 4 parts There must be a way to increase disk space disk I want to increase the system virtual linux centos 6 I'm connecting with ssh-putty ...
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moving/creating new EFI partition to new drive

In a Win 10 workstation I have 4 drives and need some drive/partition guidance. Disk 1 has the 100MB EFI system partition, a 2nd 1.8TB partition with data, and a 450 MB partition following that with ...
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what is the best practice when rescanning scsi disks reliably in linux?

I'm constantly having to make SAN changes which means that I am also constantly having to rescan the scsi bus so that my various changes are reflected in the machines I've exported disks to. I've ...
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1 vote
1 answer
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Windows 10 install power loss, SSD now unrecognised

Recently I was doing a Windows 10 upgrade on a machine when a user turned the machine off (at the plug). They were running a Sandisk 500GB SSD and when rebooted the machine said that there was no ...
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How to update vSphere inventory remotely after resizing disk with vmkfstools?

after successfully resized a disk with : vmkfstools --datacenter x --vihost esx42 --server vc1.example.com --username me \ -X 25G -d eagerzeroedthick /vmfs/volumes/FOOBAR/FOOBAR.vmdk Now, how can I ...
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creating a partition makes the server unbootable

I have a server that comes with a softRaid of 2x450gb nvme disks. Since all my data is backupped, I don't need the raid and I want to use the full space instead. From the hosting (OVH) control panel ...
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Which Disk to replace first ? Predictive Failure or Failed Disk [closed]

We have a HPDL380 G6 server ( running 2003 R2) with 1 failed disk and 1 predictive failure. Total 4 Disks configured with RAID5. I will be replacing disks, Now question is which disk should I ...
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Cannot set secondary hard drive offline in Disk Management

I need to set a disk as offline in order to connect it to a Hyper V virtual machine. This disk has Ubuntu installed on it. Windows has absolutely no use for it. The ubuntu disk is "Disk 1". It has ...
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GCE Disk full, unable to mount on second machine or start server

It turns out that our GCE disk is full, which is odd because when I create a snapshot it's only 16gb while the disk is 50gb. I've tried resizing the disk, that doesn't work. Same problem. I've ...
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5 votes
2 answers
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How do I identify the name of disk in first slot of my server?

I have 16 disks inserted into Lenovo SR650. The disk names /dev/sda , /dev/sdb ... are not in order with its position in the slots. I want to identify what is the name of the disk in first slot in ...
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How to know which DiskId is associated to a given Volume

Using PowerShell I select one Volume querying by name and filesystem with this line: $volume = Get-Disk | Get-Partition | Get-Volume | Where { $_.FileSystemType -eq 'NTFS' -and $_.FileSystemLabel -eq ...
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Roaming hardrives on a HPE Proliant DL380 Gen 9 24FF exact copy?

HPE Proliant DL380 Gen 9 24FF is faulting due to a flashin read light. The ILM files below indicate that the network port is faulty (attached to the system port). The trouble shooting guides recommend ...
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Trying to identify and expand CentOS root partition

I help out a company halfway across the country with maintaining their website and web server running on CentOS 7. The root partition keeps running out of disk space and crashing the server, so they ...
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5 votes
1 answer
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How to defrag volume using mountpoint?

I am trying to defrag the volume by optimize-volume cmdlet . I have passed mount point path. But it fails as below. PS C:\Users\Administrator> Optimize-Volume -Path C:\Testvol1\disk Optimize-...
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