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

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2
votes
1answer
29 views

EC2 Disk space not utilized fully

I have an EC2 instance. While launching i tried with disk storage space, like 16 GB. In AWS console i see a new EBS volume been created of 16 GB and gets attached. When i log into machine i can see ...
2
votes
1answer
869 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 ...
2
votes
1answer
141 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
274 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
243 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
351 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
250 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
7 views

How to take EBS Volume snapshot and store to S3 Reduced Redundancy?

By default, EBS Volume snapshots on AWS are stored to S3 Standard storage. I would like to figure out how to direct those snapshots to Reduced Redundancy storage instead. I've been trudging through ...
0
votes
1answer
23 views

Backing up website that uses amazon ec2 and RDS as database

Hello I'm currently using Amazon ec2 instance to run a wordpress website OS is amazon linux AMI and I'm using RDS as my database I need to back up my website without downtime is that possible? RDS ...
0
votes
1answer
22 views

Reduce EBS root device size

I want to reduce the size of the root volume of a Windows server EC2 instance . 1) Stop the running instance (instance 1) 2) Detach its root EBS device 3) Create new instance with any volume ...
0
votes
1answer
65 views

AWS EBS snapshots - encrypt snapshots of unencrypted volumes?

Is it possible to encrypt an EBS snapshot of an unencrypted volume? Or is encryption -- or lack of encryption -- a binary thing for volumes and their snapshots? Example: Is this scenario possible? ...
0
votes
1answer
57 views

what happens if a file is modified while it is being copied over the network?

A bit of background... We run Redis on several EC2 machines running the Amazon Linux distro (seems to be based on Centos to me) and currently utilize both the RDB and AOF backups. These files are ...
0
votes
1answer
212 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
115 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
105 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
121 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
354 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
115 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
77 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
248 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
86 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
59 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
72 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
521 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
vote
0answers
35 views

What are the proper Readahead values for a RAID 10 array over 4 EBS PIOPS volumes?

tl;dr - What are the proper readahead values for the different EBS PIOPS volumes in a RAID 10 array ? What about the RAID 10 physical and logical volumes themselves ? What about the chunk size of the ...
1
vote
0answers
109 views

How do I use cloud-init to configure an AWS EBS volume at first boot?

Cloud-init provides the disk_setup, fs_setup and mounts modules to partition, format and mount a volume to a virtual machine, however these options remain undocumented at both ...
1
vote
0answers
123 views

Trouble creating ext4 filesystem when trying to mount EBS volume on AWS instance

I'm trying to mount an EBS volume on my AWS instance. Following Amazon's instructions, I get the following error when running sudo mkfs -t ext4 /dev/xvdf: Allocating group tables: done ...
1
vote
0answers
170 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 ...
1
vote
0answers
249 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
179 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
vote
0answers
215 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
146 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
175 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
78 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
45 views

amazon ecs freeing space on docker storage

I'm trying to cleanup space on docker EBS for Amazon ECS instance. On ECS docker is using separate partition to store all his FS layers: [ec2-user@]$ sudo lvs LV VG Attr LSize ...
0
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0answers
16 views

amazon RDS vs automated snapshot

Hello running a wordpress website and I want to know If I need an RDS instance. I am curious because RDS has automated backups but It's also possible to add a script to run an Automated snapshot.
0
votes
0answers
14 views

Error while mounting /dev/md0 on aws instance

I created an instance with 16 EBS volume in AWS. Then I created RAID and mounted to one of the directory and loaded some data. I detached the volumes and terminated the instance. Again I created an ...
0
votes
0answers
143 views

AWS RDP Windows Black Screen

I searched and found a few somewhat related issue. Here't the story. We have Windows 2012 r2 in an AD domain. We enlarged the C drive of the primary and secondary AD servers and all went well. We then ...
0
votes
0answers
77 views

HTTPS showing blank page on EC2 Amazon Ubuntu server

I have a big problem trying to solve for more than two week and still nothing. I installed the certificate on the server which is working properly and in response I received this response ...
0
votes
0answers
92 views

Why is grub not booting from 2nd drive? - boot info says “no valid partition table found”

My volumes look like this /dev/xvda1: LABEL="cloudimg-rootfs" UUID="d4f2aafc-946a-4514-930d-4c45e676f198" TYPE="ext4" /dev/xvdf1: LABEL="permaroot" UUID="afb7e502-ad08-4d6a-8701-2c05863f958e" ...
0
votes
0answers
52 views

rsnapshot vs EC2 EBS Snapshot

Question What are the pros and cons of using rsnapshot [on a live drive] to a separate EBS volume vs using Amazon's EBS snapshot on a live drive? Background I just moved a small single server from ...
0
votes
0answers
58 views

EC2 Booting an EBS-backed AMI instance gives a kernel panic

TLDR: I'm trying to create an EBS-backed AMI instance and then pivot to it using Busybox but I get a kernel panic: VFS: Mounted root (ext3 filesystem) readonly. Freeing unused kernel memory: ...
0
votes
0answers
78 views

Impossible to connect to EC2 instance after mountpoint (connection refused)

I tried three times today to reduce my EBS volume following some tutorials that I found on internet. It's a secondary volume, not the root one. Everything seems to work fine until I stop the machine ...
0
votes
0answers
51 views

EC2 websites & RDS databases backup

We have some Amazon EC2 machines on which different websites are working, and their database is being pulled from RDS-MySQL, I know for machine I can have images as backup and for RDP-MySQL it has ...
0
votes
0answers
141 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
211 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
163 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
102 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
66 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 ...