Questions tagged [amazon-ebs]

This is for questions on Amazon's storage service for its ec2 service.

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57 views

Can't grow XFS file system on Amazon EC2: xfs_growfs: / is not a mounted XFS filesystem

I've followed instructions here exactly: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/recognize-expanded-volume-linux.html for "Example: Extending the file system of NVMe EBS volumes" ...
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19 views

pvcreate behaviour changes in Ubuntu 18.04?

Context: I am running Ubuntu based workloads in AWS which use multiple EBS volumes attached as an LVM virtual disk. The system was originally written on Ubuntu 16.04, and since upgrading to Ubuntu 18....
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1answer
42 views

Which EC2 Instance to hash a large amount of 25gb files

I have an EBS (elastic block storage) on AWS with large amount of 25GB files (1000). I would like to calculate a SHA256 sum for each file. Which EC2 instance would be the best for such task (cpu ...
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1answer
44 views

Can we resize the EBS volume when snapshot is in progress?

I've an ec2 instance with root volume and additional volume attached, additional volume is 92% used. I took a ebs snapshot , but looks like its very slow. Can I go ahead and increase the volume size ...
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136 views

Persistent storage in EKS cluster with multiple availability zones

I have an EKS cluster with one linux worker node, which may instantiate in any availability zone within a region. I need to use persistent storage volume so my data won't be lost in case the node dies....
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40 views

AWS EBS: crashed root volume recovery

I was in situation where I was in need to enlarge EBS volume size, so I did it via AWS Console -> changing from default 8GB to 15GB. Then I followed this tutorial: https://linuxconfig.org/how-to-...
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1answer
31 views

Not a file, not a folder, but a hard link(?) to /bin from another partition - scared to delete

I have a not-quite-folder not-quite-file on my file system. It is an AWS EC2 instance running Ubuntu 18.04.4 LTS. I have a script that runs nightly that picks up a file (/ebsvol/dead-drop/sync) and ...
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1answer
155 views

BLKRRPART: Device or resource busy, scale up EBS root volume failed using growpart on AWS

Usually i use growpart to rise up size of my root partition on aws, so that i don't have to reboot For some reason in one of my instances, it doesn't work anymore: # df -h Filesystem Size Used ...
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1answer
57 views

CWAgent Disk Space Alarms

I'm trying to implement an alarm(in Cloudformation) for disk space free using metrics from the Cloudwatch agent and I'm having issues with devices shuffling DeviceID. I encountered this earlier when ...
2
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1answer
31 views

Can I directly write to AWS EBS raw volume

I want to write data directly to an unmounted raw EBS volume (with no file system) using system calls. 1) Can I can do this via the EC2 instance to which the EBS is connected? 2) Can I provision ...
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1answer
25 views

Launch EC2 instance with more than 8G of disk space

It seems that by default EC2 instances get launched with an 8G EBS volume attached. Is there an easy way to launch an instance with a bigger EBS volume?
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11 views

AWS EBS recover data from EBS

I have this t2.micro on my aws account, after a update/reboot i can't log in to my machine thought ssh... I have tried by aws panel, stop and start machine but nothing works... So i created another ...
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33 views

CPU + Memory utilisation suddenly drop to 0 on AWS EC2

I have a ECS task running on an EC2 instance within a VPC, therefore my debugging options are limited. It runs on a single thread (& core) at 100% utilization, then suddenly everything drops (...
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1answer
47 views

How to resize RHEL Atomic logical partition?

We have a VM in AWS that is running Red Hat Enterprise Linux Atomic Host 7.7.3.1. AWS shows this EBS volume attached to it: And the size of the volume is 60 GB: I do not know who set up the VM or ...
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1answer
117 views

Why would deleting an incremental snapshot increase the space usage & cost? [closed]

Google Cloud Platform From the Google Cloud docs: https://cloud.google.com/compute/disks-image-pricing#persistent_disk_snapshots When you delete a complete or incremental snapshot, some of its ...
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26 views

Disk with no primary partition mounted on disk-name itself

I have a ec2-machine setup with an EBS attached of size 200 GB. I obtain the following with the commands I perfomed Screnshot for the lsblk and df -hT commands As I could figure out from these, there ...
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2answers
105 views

Why AWS encryption for EBS and S3 is disabled by default? [closed]

For EBS and S3 encryption (even via the default key from KMS) is disabled by default, as I understood from the documentation, there is no difference to the user if volume/objects is/are encrypted ...
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1answer
429 views

How to mount a LVM controlled ext4 file system stored on a AWS EBS volume built from a snapshot

I have a ext4 file system that is part of a Logical Volume and the underlying storage is AWS EBS. I took a snapshot of the EBS and then used that to create a new EBS volume and attached it to theEC2 ...
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132 views

In AWS, we cannot access EC2 instance when specific EBS volume is mounted, why?

I have an EBS volume with all my configured mail servers, exchangers, and webmail interfaces on it. The problem was, we created a new subnet for this instance because it needed a different EIP. After ...
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1answer
23 views

About EBS Amazon

I Have a medium EC2 Instance on Amazon with 3 EBS (general purpose type) On first EBS I have OS installed On second EBS I have a Webserver and PHP app On third EBS I have file storage (invoices, ...
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1answer
19 views

Can I delete the snapshots and AMI in zone zone after successfully copying the AMI to another zone?

I have created an AMI in one Asian zone, ap-southeast-1. The related snapshot is saved and of course cannot be deleted. I then copied this AMI to eu-west-1. Can I somehow get rid of the ap snapshots ...
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1answer
444 views

AWS EBS io1 IOPS pricing

My AWS EC2 application consistently requires about 3000 IOPS, but only about 100 GB disk space. Comparing the prices between gp2 and io1 it looks like (from https://aws.amazon.com/ebs/pricing/ for ...
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1answer
395 views

EBS vs EFs vs FSx vs S3 for feeding data to a distributed machine learning model?

Lets says there are 1TB of data to be simultaneously fed to 100 EC2 consumer instances. Each instance accesses random chunks of data of size 10MB. What would be the considerations to take into account ...
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33 views

Ec2 instance gives me permission deined after attaching marketplace EBS

I have this (free) marketplace EBS volume, let's call it A , which I can no longer ssh into and I need to get some files from. I've tried creating an instance type that I can attach it to with a ...
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2answers
40 views

EBS data security on EC2 instance

A third party created an EC2 instance on their own AWS account, and gave me the private SSH key to log in with. I logged into the EC2 instance, removed .ssh/authorized_keys in the home dir, and ...
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0answers
960 views

how to use old MySQL data directory for a new MySQL installation

I have my Mysql data in a EBS volume in aws, I need to point my Mysql to point to that directory instead of /var/lib/mysql. These steps i followed by this doesnot change the datadir sudo systemctl ...
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23 views

How To Fix AWS EBS Storage Issue With Ubuntu

I have an Ubuntu server in AWS. It runs a WordPress multi site, which has worked perfectly for some years. However now the site is constantly crashing as a result of lack of or no space. To restore ...
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1answer
912 views

How to know which partition/volume is which EBS volume?

On an EC2 instance, I have a few partitions that look like these: /dev/nvme1n1 15G 48M 15G 1% /data/mongo2 /dev/nvme2n1 15G 4.7G 11G 32% /data/docker /dev/nvme3n1 15G 3.4G ...
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446 views

Reduce Volume AWS EBS EC2 LVM Partition

Problem I have a physical machine with 1 TB disk and it was copied via command line dd, the disk was imported into S3 and successfully converted to AMI. But now I have a cost problem and I need to ...
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1answer
54 views

Install location for apps on AWS RHEL if I want to have separate EBS volumes for OS and the apps

I am new to both AWS and to custom crafting a linux environment, and am finding it difficult to get my head around how to have the OS and any installed packages/apps on separate EBS volumes (if that ...
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1answer
201 views

Port exposed from Docker image not mapped to Elastic Beanstalk host

I created an AWS Elastic Beanstalk environment with a Load Balancer configured on ports 80 and 8080, I also turned off proxy (was Nginx initially). I created simple Node.js app and Dockerfile for it. ...
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1answer
72 views

Can you directly restore / overwrite ec2 volume from snapshot?

I'm familiar with the operation of creating a new volume from a snap then mounting it separetely , but through the console or aws cli is there a way to restore a volume from a snapshot in such a way ...
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1answer
498 views

What is the difference between “Amazon Storage Gateway” and another storages?

I use "Amazon Web Services (AWS)" and I think about share storage with more instances "Elastic Compute Cloud (EC2)". Data grows by client usage, and may be searched in those data. Obviously I should ...
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1answer
267 views

Amazon EC2 Windows Server - Cannot Extend C Drive After Extending EBS Volume

I have an EC2 instance running Windows Server 2016 that contains 3 disks (C, D, E) stored one 1 EBS volume. I have just extended the volume (from 300GB to 400GB) and am now trying to resize the disks ...
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1answer
127 views

Use S3 bucket as a mounted drive or EBS volume on EC2?

I have an application that writes the logs on the server, it is a windows server. By increasing the logs the disk drive used space, increases and we have to scale up the volume from time to time. ...
2
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1answer
366 views

can I export an EBS snapshot and mount it to an on-prem server

I have a scenario where data is being aggregated in an EBS-backed AWS EC2 instance and, periodically, that instance is shut down and snapshot. Ideally, the snapshot of that volume needs to be exported ...
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1answer
63 views

EBS SC1 read troughput Troubleshooting

I neeed some help. We are getting a really read throughput (30MB/Sec on a 6TB volume) also if burst balance is at 67%. I just tried copying a 15GB file from this volume to a gp2 volume and this is the ...
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1answer
25 views

Creation of an AMI from attached volume

In one of the AWS certification quizzes I met a question, where the proper answer states, that creation of an AMI from an attached EBS volume is not recommended and it is a bad practice. Could ...
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1answer
32 views

Inspect faulty AWS EC2 Volume?

Recently a site I administer experienced some downtime. When I logged into the machine, I wasn't able to figure out the source of the issue, and so I restored the machine's state by creating a volume ...
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0answers
895 views

Run Systemd Service Unit After AWS EBS Volume Mount

I launch m5.large (nitro-based) EC2 instance from Ubuntu AMI and attach EBS volume. There is systemd as a default init system. As AWS documentation "Making an Amazon EBS Volume Available for Use on ...
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1answer
52 views

Increasing VM Performance on EC2 Bare Metal Instances

I recently created a bare metal (i3.metal) EC2 instance that I'm going to use as a farm for VMs (the guest VMs will be used for testing various cases). Because performance of the guest VMs is ...
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2answers
62 views

EC2 / LAMP with a temporary File System

Ok - this is a weird one. I've now got my domain pointing to a new EC2 instance running our website, but initially I thought I had some issues with file permissions, has now turned to be where the ...
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1answer
341 views

Docker Storage in AWS. S3, EBS or EFS

I have just moved companies and I am building a new docker swarm on aws. In my last organisation everything was on premises. I am trying to understand my options for persistent volumes, and see that ...
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1answer
83 views

SQL Server Multiple File Backups - AWS EC2 Disk I/O Cap?

Running a 1 TB SQL Server database on an AWS EC2 C5.4xl server (16 vCPU / 32 GB). A full backup is starting to approach 3 hours so I figured I should look into multiple file backups. I expected to do ...
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5answers
8k views

How to increase disk size in a stateful set

I'm managing an Elasticsearch deployment in Kubernetes. I see that the disk storage is getting close to full, so I would like to increase the size of the persistent volumes. I want to change this ...
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1answer
208 views

Extending Linux file system after resizing the EBS volume

I have resized the EBS volume using the AWS console Modify Volume. This is what the lsblk command returns before any change: $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvdn 202:208 0 ...
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2answers
728 views

Map drive letter to VolumeID

I've received the complaint... Help! My I drive filled up on EC2-Server-1! Please give moar space! However, when I remote on the the server before extending the volume, I find I cannot easily ...
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1answer
419 views

How do you buy AWS EBS like an RI

I have bought and am using a reserved instance however I still get monthly bills for the EBS. Question is how do I make a similar single payment for the volume as well?
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2answers
751 views

Very low disk throughput on AWS EBS volumes

I am currently copying data manually from one EBS volume to another, which has a smaller size, as we have XFS file system, which can not be reduced. I am using a t3.micro instance (EBS optimised) ...
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0answers
803 views

Data lost in AWS EC2 after reboot

After rebooting an EC2 Instance under Elastic Beanstalk environment I have lost most of the website related data which was stored in webroot. Webroot is showing a different version of datas which are ...

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