Questions tagged [diskmanagement]

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33 views

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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1answer
27 views

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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1answer
61 views

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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Find errors on HDD, RAID, SSD, NVME with one program

Is there a software that can automatically find errors and failed disks, on any of these types of storage: mechanical HDD flash-storage like USB-sticks or SD-cards RAID SSD NVME I'm working with a ...
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1answer
192 views

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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226 views

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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1answer
49 views

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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0answers
21 views

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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1answer
68 views

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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1answer
23 views

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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59 views

“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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1answer
79 views

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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2answers
137 views

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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3answers
2k views

(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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1answer
1k views

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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1answer
100 views

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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2k views

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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1k views

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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33 views

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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1answer
128 views

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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2answers
917 views

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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1answer
1k views

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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1answer
40 views

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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1answer
203 views

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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476 views

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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0answers
120 views

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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1answer
659 views

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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1answer
2k views

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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1answer
1k views

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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1answer
74 views

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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1answer
91 views

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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106 views

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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1answer
141 views

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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1answer
2k views

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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1answer
144 views

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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2answers
4k views

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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1answer
607 views

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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1answer
640 views

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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1answer
4k views

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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1answer
737 views

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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2answers
634 views

How to “Offline” a Disk using Windows PE/Recovery Enviroment?

The Disk Management MMC snapin has a "Offline" function: Once used, a disk shows as Offline, with hover text "This disk is offline because of policy set by an administrator". However, if the OS does ...
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2answers
14k views

KVM Pass through disk Partition - By Label or UUID

Normally, when I passthrough a disk to a VM I use the entire disk. I am looking at attempting to passthrough a partition in KVM. First question is that possible/ok? Looking at this doc it seems to be ...
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1answer
435 views

ledctl: identify empty slots

Is there a way to get ledctl to identify empty drive sleds? I can flash the light on an occupied slot by using ledctl locate=/dev/sdb (for example), but cannot figure out how to locate an/all empty ...
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45 views

Debian 9 disk filled overnight, and emptied next morning? How to track down the issue?

Here is a munin screenshot about it: It filled at around: 07/Nov/2017:19:41:03 and emptied at: 08/Nov/2017:04:05:05. The closest cronjob was at 04:05:50, a postfix & dovecot restart. I know ...
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0answers
79 views

Failed to extend partition

I have a virtualised instance of Windows Server 2012 R2. I changed the size of one of the underlying virtual disks from 800Gb to 2Tb. I scanned the drives in Compmgmt and found that it was correctly ...
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2answers
100 views

Force initialization of dynamically expanding VHDX

Let's say we have 64GB of Dynamically Expanding VHDX. After installing the OS, the "dynamically initialized" space is something around 10GB. Now, I know that I'm gonna need about 25GB more space - e.g....
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1answer
453 views

Issue while using tune2fs

I have a server with a 3TB disk attached. I want to reduce the reserved blocks using tune2fs. Reducing the default 5% to 1% allows me to get a lot of extra space. Before applying in real server, I ...
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1answer
227 views

Beeping server and no output from hpacucli commands

I have a beeping supermicro server and my suspicion is that it's a RAID/disk issue. The supermicro storage is a separate unit to the manager (a HP Proliant Gen 9). As a result I've started attempting ...
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1answer
228 views

Server 2008 R2 OMSA Hot Spare

Using the OMSA tool in Windows Server 2008 R2 I have created a new RAID 5 array and virtual disk called Vault. I have created this RAID from 6 x 1TB physical HDDs. This is how it appears in OMSA; ...
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1answer
286 views

Server 2008 R2 Virtual Disk Unallocated Space

Using the OMSA tool in Windows Server 2008 R2 I have created a new RAID 5 array and virtual disk called Vault. This is how it appears in OMSA; I am using 6 physical disks in the RAID. After creating ...

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