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Questions tagged [amazon-ebs]

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

0
votes
1answer
214 views

m3 instances have root EBS volume by default. so now what is the difference between m3 and m4?

The AWS instances page indicates that the primary difference between the m3 and m4 instances is the EBS v/s instance-based (SSD) storage. Instance Type vCPU Memory (GiB) Storage (GB) ...
1
vote
1answer
120 views

UUID on copied EBS snapshot

Is the UUID of a copied EBS snapshot different to the original? In mounting an EBS volume via the fstab in an EC2 instance and if it's a copied snapshot, it appears to be the same UUID? Is this ...
0
votes
1answer
402 views

Volume EBS: Month-to-date usage VS Forecasted month-end usage

I'm trying Amazon AWS EC2 Free Tier. I have a 30GB (Free Tier) EBS (SSD) volume. I am registered at the end of October 2017 at Amazon AWS, in the "Billing" panel I used 3.8 GB of Volume EBS in October ...
1
vote
1answer
66 views

Error writing from S3 to EBS

I'm trying to copy from an S3 bucket to a mounted EBS volume on a Windows EC2 Instance. I have the following IAM policies in place: AmazonEC2FullAccess AmazonS3FullAccess ...
0
votes
2answers
1k views

aws instance docker pull extract is very slow

I am pulling a ~3GB image from a private docker registry and it takes roughly 10 minutes. About 80% of the time is spent for extracting the layers, so download/network does not seem to be a ...
2
votes
0answers
54 views

Strange Linux disk statistics on EBS i/o credit exhaustion

We have T2 instances (Linux 4.9.20-11.31.amzn1.x86_64) on AWS EC2 which exhaust their i/o credits due to disk reads. It may well be that we have excessive reads on these nodes, so nothing strange ...
0
votes
1answer
260 views

Failure to attach an existing EBS volume to a spot instance

I have been using AWS spot instances with persistance storage; something along these lines. I have been this successfuly for months with different instance types, and extended my volume several times ...
2
votes
3answers
911 views

Reuse EBS volume with AWS autoscaling

I am trying to setup auto-healing for my EC2 instance. So whenever my instance goes down or is unreachable, it should auto reboot or launch a new instance preferrably in a different AZ in the same AWS ...
0
votes
1answer
23 views

AWS: encrypted ROOT EBS doesn't support t2 instance types

I created an AMI from my web server. Then I copied the snapshot, checking the "encrypted" checkbox. Then I created an AMI from this encrypted snapshot. Then I tried to launch a new instance from this ...
0
votes
1answer
42 views

Any downside/danger to changing an EBS volume type for a live database?

Starting to need to scale a relatively random-access workflow on MongoDB, and iotop indicates we're fully utilizing our IO. Looks like AWS allows you to switch volume types to provisionable IOPS ...
3
votes
0answers
55 views

shrinking EBS volume that used as root [duplicate]

I have an EBS volume that is 800GB and I am using only 5GB of this. I want to shrink it but AWS doesn't support this, after a bit of a research, I have found that I can mount both volumes and rsync ...
0
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0answers
35 views

Open-source replacement for Amazon EBS for own cluster

I have a couple of worker nodes running Linux, on which I dynamically provision KVM virtual machines. Right now, I copy the qcow2 images from the NFS server to the node, run the VM and after shutdown ...
1
vote
0answers
35 views

EC2 not booting because of mount - no logs

I have an EC2 hosted Ubuntu 16.04 server which doesn't boot. When I look at the logs in the Amazon console i only get a black screen. When I mount the disk to another server I have the following ...
1
vote
1answer
131 views

EBS Write-back cache on Linux?

I can't find a definitive description of how EBS handles write caching. EC2 T2.medium instance type EBS "gp2" devices Linux (Ubuntu 14.04) HVM virtualization hdparm -I /dev/xvda doesn't work - ...
0
votes
2answers
196 views

aws ec2 : Instance unreachable before schedule

I've received email from aws stating that one of my ec2 instance is scheduled for retirement due to underlying hardware degradation on 1st September 2017. When I checked that instance after receiving ...
0
votes
1answer
723 views

How to persist all Jenkins data on an EBS volume in docker

I have the Docker official jenkins repo running on an Ubuntu instance. In that document, it suggests a way to create a volume as a way to isolate all Jenkins data file. The EC2 instance has the root ...
1
vote
3answers
4k views

Is it possible to change the EBS volume to different availability zones?

I have a server created in "eu-west-1c" availability zone and I tried to attach the volume created in "eu-west-1a" availability zone to "eu-west-1c" but the server created in "eu-west-1c" is not ...
0
votes
0answers
153 views

m4.large not ebsOptimized

M4 large instances are EBS-optimized by default as per below URL : https://aws.amazon.com/ec2/instance-types/ When I try to check the status using aws-cli I get result with boolean value set to ...
0
votes
1answer
292 views

AWS EBS volume encryption using KMS

I am tinkering with EBS encryption volumes. But I'm struck and fail to understand how it works. I have two user accounts xyz and abc with admin access which are created from root account . I have ...
0
votes
0answers
125 views

Aws ebs IOPS for stripped volume

I have a instance setup with 8 ebs drives mounted on a stripped logical volume of 8TB size in total on a m4.4xlarge instance, I was bench marking the IOPS in such a setup and I'm wondering why I'm ...
0
votes
1answer
95 views

Confusion about how Elastic Beanstalk/EC2 scales?

I set up an Elastic Beanstalk PHP environment. On the EC2 instance, I installed a few other packages, including PhpMyAdmin and did various changes to the instance to get the configuration that I'm ...
0
votes
2answers
261 views

How to send alert for AWS EBS impaired volume?

What is the best method to send an alert via SNS for an AWS EBS volume that has been marked as "impaired"? Within Console > EC2, under Instances > Status Check tab, you can set a CloudWatch alert. ...
0
votes
1answer
70 views

EBS snapshots is there such a thing as incremental vs full?

I understand that the very first snapshot is a full snapshot. Therefore each subsequent snapshot is incremental. With that said, in this scenario, I assume I shouldn't delete the first snapshot. If I ...
0
votes
1answer
71 views

Trusted Advisor: Amazon EBS Snapshots issue

I am trying to follow Trusted Advisor and resolve problem with Amazon EBS Snapshots. My problem is in state Red: The volume does not have a snapshot Currently I have 9 different environments ...
0
votes
1answer
48 views

Suspicious logs on ebs, is it some kind of trojan attack?

I found lots of similar logs in cloud watch logs where logs from my ebs application are streaming. I am using Platform: 64bit Amazon Linux 2017.03 v2.5.0 running Java 8 Here are the logs which are ...
0
votes
4answers
3k views

Amazon EC2 instance won't boot: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

My instance was running for years and suddenly stopped responding Jun 1st. I tried to reboot it, but it would not boot. It gave errors in the system log: https://pastebin.com/rSxr1kLs Linux version ...
0
votes
0answers
408 views

How configure Amazon EFS as data volume in Elastic Beanstalk web application windows .NET instance

I do have an .NET Application which I would like to deploy to Beanstalk. I would like to add an EFS to it. I tried but i did not was able to configure EFS with a windows Beanstalk. How can I ...
0
votes
1answer
149 views

Is there any way to persist files for a web application using Amazon AWS without a full VM?

I would like to migrate an web application to Amazon AWS. The application stores and retrieves small persistent data from a content/ directory. I tried Amazon Elastic Beanstalk to deploy the ...
2
votes
1answer
340 views

I cannot attach volume to running EC2 instance

The following error is displayed when I am trying to attach EBS volume to running EC2 instance which is part of a Kubernetes cluster: Error attaching volume: Invalid value '/dev/sdf' for unixDevice. ...
3
votes
1answer
4k views

Proper way to stop/reboot a Windows EC2 instance

I recently started with AWS and I need to stop/reboot some EC2 Windows instances. The instances are with EBS volumes. Is there any difference if I use the Shutdown/Reboot Windows option vs Stop/...
0
votes
1answer
124 views

Azure Disk not listing in portal

I have a few queries with disks in Azure,i find it hard to relate it to AWS EBS. i am unable to view the disks attached to a VM(though i have reached maximum disks attached error) . it lists in teh ...
0
votes
1answer
2k views

Aws free tier EBS

I am planing on using aws free tier for some testing of apps. I am dividing my time (750 hours a month)between a windows instance (30gb ebs default) and ubuntu instance (8gb ebs default ) using ...
3
votes
2answers
148 views

Migrating from AWS EBS to Co-Lo hosted SAN/NAS

My company has reached that tipping point where what we are spending on EBS storage warrants a serious look at moving our storage to a SAN/NAS in a Co-Lo location connected with AWS Direct Connect. ...
0
votes
0answers
436 views

Increasing size of a root EBS volume: stop or reboot instance?

I am increasing the size of a root EBS volume for EC2's t2.medium instance. The instance is ruled by Ubuntu 14.04 AMI. I have read an official guide and found that to increase root partition size one ...
0
votes
0answers
151 views

Is there a way to change xen_blkfront.max without reboot?

This AWS video suggests to change xen_blkfront.max for better ec2 performance. Is there any way to change this value, considering the below? instances are in auto-scaling group, so reboot will fail ...
-3
votes
1answer
45 views

How are EBS-based EC2 instances billed?

I'm working on a project that involves running a lot of spot instances over a short period of time, then terminating the spot reservation and starting the instances with a different AMI. If I reserve ...
5
votes
2answers
611 views

Get an AWS EC2 ebs volume to perform over 20,000 IOPS

The company I work for is currently going through an AWS migration, and for 99% of services, their commodity hardware does the job just fine. Except for the production Database, we currently sit at ...
6
votes
2answers
6k views

Can I re-use an EBS volume with AWS ASG?

I want to create an ASG such that I can reuse existing EBS volumes (because I have persistent data on those volumes) to new EC2 instances that are instantiated via ASG. Is this possible? Update ...
1
vote
1answer
2k views

“Device /dev/xvdb not found” AWS EC2 symlinked volume

I have an AWS instance with an encrypted EBS volume, which is at /dev/sdb. I am trying to mount it via ansible using the command: - name: format new volume filesystem: fstype=xfs dev=/dev/xvdb - ...
0
votes
1answer
1k views

Ubuntu 16.04 on AWS EC2: How to automount additional devices at boot?

I'm running Ubuntu 16.04 on an Amazon AWS EC2 instance. I've a xvda1 root but I've just created, after the instance launch two more EBS disks. Actual situation: $ df -H Filesystem Size Used ...
7
votes
4answers
2k views

are EBS volumes wiped after use?

I tried to recover some data from an ebs volume on which I accidentally ran wipefs on. I used PhotoRec (http://www.cgsecurity.org/wiki/PhotoRec)... and it got my files back but also a ton of other ...
0
votes
1answer
57 views

Launching an instance from Marketplace will work on regular Reserved Instance?

I have bought a reserved instance from AWS directly and not from the marketplace, then I have an instance launched from the Quick Start that uses Amazon Linux AMI. Then currently I installed cPanel in ...
2
votes
3answers
2k views

AWS: Attach EBS to Lightsail instance?

Is it possible to attach an EBS drive to a lightsail instance (aside from the one that (appears to be) auto-attached when creating the instance)?
2
votes
1answer
733 views

Mount command hanging after attaching EBS volumes on AWS

I'm creating four volumes from four EBS snapshots on AWS. The four volumes make up one BTRFS multi-device drive. The drives have no partition tables, i.e I've ran mkfs.btrfs /dev/xvdf /dev/xvdg etc. ...
-1
votes
1answer
61 views

Amazon ebs and package installation

I'm totally new on aws, and I was wondering some questions. There is what I understood : Let's imagine I launch a p2.xlarge instance, with ubuntu AMI on it. I got my instance with ubuntu on it. Now ...
4
votes
1answer
616 views

AWS EBS snapshot consistency

I have a procedure for daily snapshot of EBS without unmount the volume from the EC2 instance. This volume is not the root device and the snapshot is performed without stopping/freezing the filesistem,...
1
vote
1answer
96 views

AWS EC2 instance (Windows Server 2008): daily EBS snapshot without downtime

TL;TR I need to backup an AWS EBS-volume without downtime. In details I have a "Windows Server 2008" instance "EC2" on Amazon AWS with two EBS-volumes as C: and D: system drivers. On C: driver ...
-4
votes
1answer
448 views

Install a file system?

I'm following the guide here to making an EBS volume available for use. I use the cmd: lsblk I get the output: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 8G 0 disk └─xvda1 ...
1
vote
1answer
234 views

Install nginx on EBS?

If I launch an instance with EBS storage, how do I install nginx on the EBS volume rather than on the instance? Does anyone have any tips or a blog post?
-1
votes
1answer
129 views

Backup strategy on EC2-VPC-AWS

I am new to AWS, we have few AWS EC2 instances. I was wondering what is the best and most cost effective way to take backups. I read the recommended article about EBS snapshots, but it seemed to be ...