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

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56 views

What's the best way to increase the provisioned IOPS of an optimized EBS volume?

I can create a snapshot and then create a new volume with the increased IOPS with that snapshot. The question is if a faster way to do that exists.
1
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2answers
275 views

Any issues with filesystem-only backups on PostgreSQL?

I am running my DB server in amazon cloud, and I have the database files on a separate EBS volume. When it comes to backup/restore operations, I found it infinitely simpler to just do a ...
0
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1answer
1k views

Amazon EC2 - Can't connect to my Windows instance using a remote desktop client

Using Amazon EC2 I successfully launched a Windows Server 2012 instance. I was able to connect to it using a remote desktop client and configure it as needed. From the EC2 console I then selected ...
0
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0answers
142 views

Use AWS ephemeral drives for SQL Server for redundancy/read-only/other live purposes

Are there any good uses for the ephemeral drives on AWS Windows instances when using SQL Server besides putting TempDB and the pagefile there? I'm wondering, for example, if one could replicate the ...
1
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1answer
97 views

Is it possible to have a spot instance mount a particular EBS volume as its root disk when started?

For example, in a scenario where you have an auto-scaling group of size 1 that launches a spot instance which continually uses the same root EBS volume.
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2answers
96 views

Best way remove old log without blocking cpu

I have 3 AWS EC2 machines, using each 500G of EBS storage. On them I have SolrCloud search engine running on Jetty, and serving lots of queries. In time the jetty logs have grwn hugely, up to ~200G in ...
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0answers
52 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 ...
-1
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1answer
67 views

Amazon ECS free tier pricing [closed]

A quick question, I have two volumes allocated with 30GB and 8GB of space. And now I just reviewed the report and am being charged for 2.756 GB-Mo of usage. Then I read that $0.00 per GB-month of ...
4
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1answer
369 views

How to calculate the required EBS PIOPS for our mongo server?

We want to use provisioned IOPS EBS volume on our mongo machines, I'm a bit confused on how to calculate the number of provisioned IOPS to use. Currently we're getting an average of 25 IOPS (read + ...
1
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1answer
260 views

Is it safe to snapshot an mdadm RAID with only xfs_freeze?

Is mdadm guaranteed (and trusted via experience) to be safe for taking snapshots with only an xfs_freeze? I have encountered vague warnings about mdadm still working in the background, thus making ...
0
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1answer
332 views

AWS: Best solution for syncing files across autoscaled EC2 instances?

I'm working on setting up autoscaling on EC2; Instances will be running a web app with big traffic spikes. The first solution I tried for syncing files across instances (since the web app will write ...
0
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1answer
86 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 ...
6
votes
1answer
184 views

How to make a Cent OS install as similar to an EC2 rhel based instance as possible?

I'm trying to setup vagrant to deploy locally, while we also want to deploy to elasticbeanstalk. So how can I make my local cent OS Vagrant VM as close to the Amazon EMI as possible? My co-worker ...
-2
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1answer
88 views

Sync EC2 instances [closed]

I know many people have asked how to sync multiple ec2 instances and it seems the usual answer is to store all the assets in S3. Would this still make sense if the only thing I am trying to share ...
0
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1answer
156 views

Sharing an EC2/EBS RAID10 Array using NFS

I created a 10 disks RAID10 using EBS on AWS EC2 using mdadm on a ubuntu 12.04.2 LTS instance. Let's call this instance A. It works fine and I can create files and folders perfectly in the volume. I ...
0
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1answer
148 views

EC2 backup strategy, 2 EBS volumes

i've currently set up a Windows EC2 instance with MySQL installed on the root/C: drive, with the database files, logs, etc on another volume. Is it safe to use snapshots to back up the instance? My ...
1
vote
1answer
142 views

When EC2 instance goes down, how to bring up new machine with existing EBS volume?

We've got an app where customers upload data and documents to a number of EC2 instances. We store the uploads on EBS volumes. Occasionally our app will fail. Sometimes it's something in our app ...
2
votes
1answer
979 views

Can I use MongoDB with Amazon EC2 small instance?

I want to move my MongoDB from a virtual server to amazon web services. I know MongoDB provides a preconfigured AMI, with three provisioned EBS volumes. But this is only available for m1.large ...
2
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2answers
2k views

How can I add an ephemeral disk to an existing EC2 instance?

Six months ago I created an EC2 Instance with a Plesk license from the AWS Marketplace. Now I would like to add an ephemeral disk in order to put the temporal backup data generated by the Plesk. The ...
3
votes
2answers
90 views

Should I always partition a virtual drive?

This might seem like an odd question at first, but I was experimenting with an Amazon EC2 instance and forgot to partition an EBS drive under Linux. I discovered I could directly format it with a ...
1
vote
1answer
75 views

Amazong EBS showing unreal disk usage

I have an EBS of 8 GB and when I've checked my free space it says I'm using almost all of it: Filesystem Size Used Avail Use% Mounted on /dev/xvda1 7.8G 7.2G 185M 98% / proc ...
0
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1answer
203 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
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1answer
88 views

Can i have 400 snapshots in Amazon Ec2 if they are incremental only

I want to know about snapshotting. Amazon says that they make Incremental backups Only charge for the data chnaged between snapshots Now my question is let us suppose the only data which change ...
-1
votes
1answer
220 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
2answers
723 views

Server Backup Strategy for Amazon EC2

Where and how should I backup my EC2 / EBS based snapshots OUTSIDE of EC2? EC2 provides a great product with their EBS based snapshots. However it is also a high risk point that someone could ...
1
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2answers
2k views

Amazon Ec2 Linux still shows old Volume size even after increasing

Initially i had EBS boot as AMI image with 10GB EBS volume. Then i created new 20Gb EBS volume and then attached that to old instance and booted Then i see that i still have 10GB mounted as ...
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0answers
121 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
1answer
178 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 ...
0
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1answer
53 views

AWS loopback approach and mounting an EBS Volume

In order to deploy your appliance on AWS, I think the loopback approach is true IaaS and I am not in favor of installing my software on an existing AMI. I see a potential problem of using loopback ...
0
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1answer
84 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
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3answers
511 views

Swap space in EC2 m1.small & m1.medium

I have a customized AMI, and when I launch instance from this AMI, if I choose m1.small, I will have a 895MB swap space; when I choose m1.medium, I will have 0 swap space, why is that? If I want my ...
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1answer
43 views

Amazon EBS speed of volume-imaging hot vs offline?

Amazon permits you to image a hot volume -- one that is online and running. Does this come at a cost to image-speeds though? Will it image the volume substantially faster if you take the instance ...
0
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1answer
61 views

Disk Writes to Mounted EBS Volume Not Logged in Monitor

I have an EBS volume specifically dedicated to storing remote backups via rsync. This volume is attached and mounted to an EC2 instance. The user mediating backups has access to this volume via a ...
0
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1answer
236 views

expand the size of EBS volume in EC2 of AWS (Centos 6.3)

I have a Linux Centos instance with the following volume partitions: / - 5 GB /logs - /2 GB /data - 4 TB (4 volumes, each 1 TB). I would like to add more disk space (3 TB = 3 X 1TB volume) to my ...
0
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2answers
66 views

Some EBS devices have issues with ec2-attach-volume

While trying to attach a series of volumes to a set of devices, I have run into the following issue: Some of the devices get stuck in an "infinite" state of attachment. (I do not already have volumes ...
0
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2answers
268 views

EBS IOPS First Use Penalty with snapshot volumes

When creating a Provisioned IOPS EBS volume (or any EBS volumes for that matter) from a snapshot, are the "First Use Penalty” effects avoided? Are they only partially avoided (for the blocks that are ...
1
vote
1answer
213 views

Does taking EBS snapshots supposed to significantly slow down the performance of the EBS volume?

I'm trying to decide on the frequency of making snapshots. Is the AWS system designed in such a way that taking snapshots has a negligible effect on the performance of the volume, or can it ...
1
vote
2answers
657 views

Simple EC2 offline backup?

Scenario: A frustrated employee deletes all data from an AWS account. Valuable data: EBS volume of an EC2 machine based on Amazon's Linux AMI. What is a simple offline backup solution for the data? ...
0
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0answers
163 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 ...
0
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2answers
67 views

Mount Amazon Volume?

I have a probably stupid question: why do my volumes not show up when I run "mount" (on Amazon) : I would expect my 3 volumes (/dev/xvda1; /dev/xvdf ; /dev/xcdg) to show up here and only the root ...
0
votes
1answer
98 views

Solutions for a growing Postgresql database on Amazon EC2?

I've been doing a lot of research into scaling issues on Amazon EC2, especially growing databases. I looked into how I can make the database more solid and sound (I use PostgreSQL). Many sources say ...
1
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3answers
226 views

Will my EC2 Spot Instance Volumes Die with the Instance?

Consider my high-CPU spot instance with five drives. Drive c: is the boot drive. Drive d: is an additional volume that I created and manually attached to the instance. Volumes e:, f:, g:, and h: are ...
1
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0answers
84 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 ...
0
votes
1answer
108 views

How does data storage on Amazon EC2 work especially for databases?

I've been playing around with Amazon's Web Services for over a year now, however I don't quite understand how it works. When I for example select an AMI of my choice from the EC2 console and I ...
1
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0answers
169 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 ...
0
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1answer
24 views

Possible to attach to an Amazon EBS volume from a third-party server?

I have been seeking an answer with no luck: Can I attach and mount an Amazon EBS instance on a third-party server (i.e. NOT an Amazon cloud server)? (Assume a linux-based system) Just wondering if ...
1
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2answers
125 views

EC2 How To Boot from an EBS-backed AMI (ubuntu) as root device

After doing research, I have found there are many advantages to boot from an EBS-backed AMI rather than instance storage. I have a few questions related to this: What is the optimal size for an ...
1
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1answer
587 views

df shows disk full but ncdu shows only 1.5gb of 8gb used

I am confused. Our EC2 instance is showing that the disk is 98% full. The output from df -Th shows: Filesystem Type Size Used Avail Use% Mounted on /dev/xvda1 ext4 7.9G 7.7G 172M 98% ...
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votes
1answer
210 views

Which is better - AWS S3 or EBS? [closed]

I am trying to create a system where users can upload their data (audio, text) which can run into around 200 MB per user. I am trying to figure out what is the best way to go ahead - using S3 or EBS. ...
0
votes
1answer
71 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 ...