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

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2
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2answers
93 views

Is it “safe” to create a AMI image from a running EBS instance with another EBS attached to it?

I have an EBS backed AMI up and running and another EBS attached and mounted as a persistant storage device. Is it safe for me to create an a new AMI image (via the AWS Management UI) while the ...
0
votes
2answers
434 views

How to architect my application on AWS cloud?

I am plannig to port an e-exam app on the aws cloud. I have decided to use a ELB, EC2 instances. But i am confused on wether to use a MYSQL DB server on amazon instance or to go for amazon RDS? Also ...
2
votes
1answer
125 views

Create Windows AMI with instance storage

I have a business use case and workflow where local/instance/ephemeral storage for an EC2 instance is ideal. Unfortunately I'm coupled to a Windows platform for this particular task and the EC2 ...
1
vote
1answer
349 views

Amazon EC2 - Not able to find / mount EBS volume partition

I have a linux instance to which a ebs volumne of 20GB has been attached. The web-console volume page shows: 20 GiB gp2 snap-b3a87xyz in-use i-cd5b9999 (myinstance):/dev/sda1 (attached) The ...
1
vote
1answer
180 views

AWS give Apache permission to write to different EBS volume

I have an EC2 instance that is running Apache and my website (php files) is also on that EC2 instance. Website users will be able to upload and download files and I would like to store (user uploaded) ...
1
vote
1answer
270 views

Restore snapshot from other aws account?

I am new in this, so forgive my beginner question. I have an aws account which is currently in us-west-2c. It has a instance running, and also a couple of volumes which i made. I have multiple backups ...
1
vote
1answer
205 views

High mysql server load, sar output

I have a MySQL Server that should be performing better than it seems to be. We're running ubuntu on a Amazon Cluster Compute (cc1.4xlarge) Linux ip-10-0-1-60 3.2.0-25-virtual #40-Ubuntu SMP Wed May ...
1
vote
1answer
334 views

Disk/EBS volume that is part of an Raid0 drive suddenly becoming unreadable/unavailable

We have a 4 x 100gig EBS volumes used as dynamic disks in a raid 0 (striped) drive attached to a Windows2008 R2 Datacentre 64bit Amazon EC2 instance. This all works fine, except we have had 3 ...
1
vote
1answer
245 views

How to change switch to a different root partition

I am using AWS EC2 instance with Ubuntu 10.04 installed on it. I start with the instace which has its root partition at /dev/sda1. Later I want to attch a new EBS volume at /dev/sdb1 and want to get ...
0
votes
1answer
117 views

How to reduce AWS EBS root volume size?

Enlarging an EC2 instance is easy like a breath (for instance, create an AMI, launch an instance from it and then change the storage size). But reducing it becomes more difficult. I’d like to reduce ...
0
votes
1answer
95 views

Amazon EC2: Not able to login(RDP) to Instance after migrating root ebs volume.

I am trying to access my windows instance but I am unable to login (RDP) into it. What I have done is I have taken up a snapshot of a root EBS volume and attached that to newly launched instance. The ...
0
votes
1answer
51 views

How to figure out which EC2 instance an EBS Volume went with?

I discovered a few unattached, mystery EBS volumes in my AWS Console. I suspect these are leftovers from some test EC2 instances I had that I may have not noticed were NOT set to delete the volume ...
0
votes
1answer
83 views

Backing up an EC2 EBS Windows volume offline

I would like to backup offline a Windows EC2 EBS Volume, i.e. on my computer and not in the cloud. Note I can stop the instance and detach the EBS volume if needed. Is it at all possible with Amazon's ...
0
votes
1answer
101 views

Bootstrap not mounting EBS volume

I'm running the following when Bootstrapping an Ubuntu 12.04 EC2 instance: mkfs.ext4 /dev/xvdf mkdir /vol01 echo "/dev/xvdf /vol01 auto noatime 0 0" | tee –a /etc/fstab mount /vol01 It formats the ...
0
votes
1answer
236 views

Host multiple ssl domains in amazon Ec2 instance

I need to install multiple ssl domains in my amazon ec2 instance.Amazon ec2 allows only one IP address so I decided to use load-balancers for each domains. Scenario : I host 4 domains in an ec2 ...
0
votes
1answer
103 views

ebs durability clarification

I am confused as to the durability of the EBS volumes on AWS. As an example, volumes that operate with 20 GB or less of modified data since their most recent Amazon EBS snapshot can expect an ...
0
votes
1answer
78 views

EC2 Volume “In use” but no attachment information

I have an EBS volume that is showing as "In Use" in the console, but the attachment field is blank. ec2-describe-volumes shows the same information, while ec2-describe-volume-status throws an ...
0
votes
1answer
71 views

Terminate EC2 instance and not root EBS (Attached root EBS to new instance)

I have created an instance running ubuntu os. Now I need to change the OS from ubuntu to cent OS. For that I need set the "deleteOn Termination" flag as false to attach it to the new instance. I used ...
0
votes
1answer
172 views

How exactly does one store SQL Server on an attached EBS volume? EC2

I have an EBS backed EC2 instance, I've heard it's good to store your SQL on another attached EBS volume for "sustain many more random IOPS than instance disks (good for typical workloads) and ...
0
votes
1answer
82 views

defining EBS volume size to use with glusterfs

I'm trying to build a glusterfs network file system on Amazon EC2. I trying to define EBS Volume size. I'm planning to use 2 x 12Gb volumes at the begining stage and then add extra volumes in the ...
0
votes
1answer
55 views

Database modularity with EBS volumes

I would like to add modularity to my websites on EC2 instances by encapsulating the site files and the mysql files in their own EBS volumes. The end result that I'm going for is the ability to quickly ...
0
votes
1answer
341 views

How to upgrade a single instance's size without downtime

I'm afraid there may not be a way to do this since we're not load balancing, but I'd like to know if there is any way to upgrade an EC2 EBS backed instance to a larger size without downtime. First of ...
0
votes
1answer
71 views

Amazon EC2 EBS - can't locate data?

I'm having troubles understand Elastic Block Storage... Last month I set up my first EC2 instance, I know that I will eventually use EC2 for my production site. I grabbed the Ubuntu official AMI ...
0
votes
1answer
1k views

What can go wrong with dmsetup suspend / resume?

I have a backup procedure for ec2 instances with lvm spanned volumes that does the following: 1) ssh to the box as root using an ssh forced command to dmsetup suspend the spanned volume. 2) take an ...
0
votes
1answer
149 views

Using a link to a crontab file located elsewhere than /etc/crontab (Debian)

I have an EC2 instance in AWS. As you know, if my instance crashes I lose all data located in the local EC2 hard drive. Of course I have an EBS for my data, but /etc is located in the ...
0
votes
1answer
489 views

Mounting an attached EBS volume to a EBS based instance on Amazon EC2

I have an old Fedora 8 server running on instance store. I just built a Fedora 12 server that is on EBS. Now I know this may be redundant since my new Fedora 12 instance is on EBS, I would like for ...
-1
votes
1answer
249 views

What is AVG I/O request for normal EC2 Instnace with web server on Amazon AWS

I have Amazon Ec2 instance with EBS Volume. Standard EBS Volumes are billed $0.10 per 1 million I/O requests Now I am not able to guess how much is the normal I/O request for normal server. and in ...
-2
votes
1answer
72 views

Amazon EBS Durability

According to this link: http://aws.amazon.com/ebs/details/#availabilityanddurability It said: Amazon EBS Snapshot can expect an annual failure rate (AFR) of between 0.1% – 0.5%, where failure ...
1
vote
0answers
126 views

AWS: Sync WWW folder between multiple load balanced instances

I am new to AWS. I am trying to setup an EC2 web server. I got the server up and running, I made the AMI (which included the WWW folder), added the load balancer etc. I terminated the original ...
1
vote
0answers
76 views

Can I use ZFS to replicate (fast) EC2 instance store to (slow) EBS store?

I love the idea of using SSD EBS instance stores as L2ARC and ZIL for a zpool backed by EBS. Going further (and into more dangerous territory), could I instead create a zpool mirror with the 2 ...
1
vote
0answers
90 views

How to restore a dd image to an EBS volume

I have a local dd image myimage.bin, which I want to use to create an AWS EBS volume. The only way I can figure out how to do this is to, 1) Launch an AWS instance 2) Create and attach an EBS ...
1
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0answers
135 views

Safe filesystem encryption using mdadm and cryptsetup in EC2

I need to safely store some encrypted information in EC2. For this purpose, I'd like to encrypt a filesystem on my EBS drives to ensure that third-parties won't be able to poke around in my data. ...
1
vote
0answers
91 views

How can I store the Postgresql data on the EBS Volumes and not on the Root Volume?

My PostgreSQL database is currently stored in the cloud. Normally, when creating a PostgreSQL database, all the data is stored on the root volume of the EC2 instance. How can I make sure all the ...
1
vote
0answers
172 views

market place EBS volume as secondary device

I managed to lock myself out on AWS marketplace centos 6.3 server. It seems to be a permission issue (SELinux) and needs some reconfiguration. I was going to mount the root drive of the problematic ...
1
vote
0answers
70 views

Storage (EBS) attached to my EC2 instance reporting files on two devices at once

I have on EC2 instance with two attached EBS drives. One drive /dev/sda1 is mounted on / The second /dev/sda2 is mounted on /var2 So here's what's strange. Whenever I add any files to /var2 the it ...
0
votes
0answers
13 views

CentOS 7 mount ebs thorugh systemd unit

CentOS 7 HVM community image is not mounting the drive if as recommended we do it via rc.local(since doing it via /etc/fstab entry may halt the machine and make it not reachable if any issue occurs in ...
0
votes
0answers
9 views

attached volume of a FreeBSD amazon ec2 instance does not show up

I have followed the steps in the documentation, created a new EBS volume and attached it to the instance (I only have one). I rebooted and tried shutdown/start, but the device does not show up inside ...
0
votes
0answers
30 views

Change the root EBS device of AWS EC2 instance

I changed the root device of my AWS ec2 instance and now I can't log in, I get: Permission denied (publickey) The new ebs I changed to was also a bootable volume. Then I created another instance ...
0
votes
0answers
41 views

How to tell if disk volume is instance store or EBS?

I have a number of volumes (same size) attached to a Windows instance in Amazon AWS. One of them is told to be an instance store. How do I tell which one? PS. testing the speed did not help, one of ...
0
votes
0answers
42 views

Ansible fails to create Amazon EBS-ctorage

I have a problem - trying to automate the purchase of new EC2 instances. Here's my playbook: --- - name: Provision new EC2 instance hosts: local connection: ...
0
votes
0answers
30 views

AWS volume from snapshot missing data

This is a weird one. On a new ec2 instance + new data volume attached at /dev/xvdb mounted with: mkfs -t ext4 /dev/xvdb mkdir /mnt/xvdb mount -t ext4 /dev/xvdb /mnt/xvdb I take a snapshot of ...
0
votes
0answers
76 views

Unable to create partition utilizing all sectors on an AWS EC2 instance with EBS volume

I am working on an AWS EC2 instance. I have attached an EBS volume from other instance to this machine. I want to expand root partition on the volume. I am using gdisk. Following is the output of p ...
0
votes
0answers
53 views

Check Filesystem of Root Volume (Amazon Linux / RHEL)

How can I check the file system (and repair potential errors) of the root EBS volume (/dev/xvda1) of an Amazon AWS T2 instance? The instance runs the latest version of Amazon Linux (RHEL). Is it ...
0
votes
0answers
106 views

What would happen if I provision IOPS in RDS on a non-PIOPS-Optimized instance type?

Quote from the docs: If you are using Provisioned IOPS storage, we recommend that you use the db.m3.xlarge, db.m3.2xlarge, db.m1.large, db.m1.xlarge, db.m2.2xlarge, db.m2.4xlarge, ...
0
votes
0answers
105 views

Using ec2-import-volume with vhd already in S3

I have a vhd file that is already existing in my s3 bucket. I want to mount this as ssd/ebs backed storage on an AMI that I spin up later. I read that you can upload a vhd using ec2-import-volume to ...
0
votes
0answers
218 views

Can't mount bin/iso image from AWS import/export service

A client sent a 2 TB drive to AWSs import/export service; AWS put it in an S3 bucket in two chunks. I catted the two chunks together as an iso file, and tried to mount it, using the directions listed ...
0
votes
0answers
59 views

Point existing EBS to new EC2 instance

I have an EC2 instance running Ubuntu 11.04 with EBS attached, now I am planning to move to Amazon Linux AMI 2013.09.1 Can I just launch new instance and map existing EBS is that enough or is there ...
0
votes
0answers
183 views

Replacing my ec2 root esb volume resulting in no SSH connectivity

I have 2 Amazon EC2 on demand instances running. Instance A - micro - Root Device = EBS backed Instance B - large - Root Device = EBS backed Both instance are accesible using SSH. Both instances ...