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Questions tagged [amazon-ebs]

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

572 questions
128
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4 answers

Amazon EC2 terminology - AMI vs. EBS vs. Snapshot vs. Volume

I have been poking around Amazon EC2, and am a little confused on some of the terminology. Specifically with regard to AMI, snapshots and volumes, and an EBS Please correct me if I am wrong, or fill in any serious gaps in my following…
Matt
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41
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2 answers

Safe to Use an Amazon EBS Volume While Snapshot in Progress?

Is it safe to use an EBS volumne while a snapshot is being created? I've currently got a 100Gb EBS volume mounted. I am in the process of snapshotting it. Goodness it's slow!! It's going to end up taking more than 45 minutes to snapshot. My…
Justin Noel
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38
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2 answers

How do I access the attached volume in Amazon EC2

I just attached another ebs volume to running instance. But how do I access the volume? I can't find the /dev/sda directory anywhere. Where should I look?
Maca
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31
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3 answers

EBS vs SSD definition

I am confused about the EBS and SSD choice while creating an instance . while choosing instance parameters (Step 2) you will see 2 options in the column Instance Storage (GB) : EBS only or SSD . I dont know why this option is there because SSD…
Java Main
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26
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2 answers

How to convert a unencrypted EBS to be encrypted

I have a number of older EBS volumes that are not encrypted. In satisfying new corporate security measures, all data needs to be "encrypted at rest" so I need to convert all of the volumes to be encrypted. What is the best way to accomplish this?
Gray
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25
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4 answers

Amazon EC2 Data Persistence

According to the Amazon EC2 FAQ, when an instance is terminated the data is gone. What steps can I take to preserve data in the event my instance is rebooted? I've been looking into EBS and S3 - would either of these be useful to store an active…
Kyle Cronin
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25
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2 answers

How to determine actual size of an amazon snapshot?

Amazon EBS snapshots capture changed blocks from a baseline, so snapshots will often be much smaller than the source volume. Billing is based on the actual size, which is nice. However, I cannot find a way to determine the snapshot actual size. …
Elroy Flynn
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25
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3 answers

Shrinking Amazon EBS volume size

I have seen this answer for growing EBS volumes, but I would like to shrink one. The default Ubuntu Server images are 15 GB while I really need only 2 GB max (I use a different volume for data). Is there a way to shrink the size of the volume?
Peter Smit
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23
votes
6 answers

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 an Amazon Web Services (AWS) EC2 instance Elastic…
herve
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23
votes
1 answer

Creating an EC2 AMI Image from a running instance vs. from a volume snapshot

I want to backup a Linux-based EC2 instance while it is running with no downtime, and then later on launch a new instance. (The instance is running a web server and Postgres database.) I found there are two ways to do this, but I am confused on…
Vilsepi
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20
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6 answers

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 value in the Stateful…
Brent Bradburn
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18
votes
3 answers

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 copied from comment To clarify my original question,…
steve landiss
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18
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2 answers

Which AWS features are EBS backed?

I recently read an article AWS: The good, the bad and ugly, which mentioned that they've moved off of all EBS backed AWS features. What features are explicity (EBS backed EC2 instances) or implicitly (AWS web console) backed by EBS?
Jake McGraw
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18
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4 answers

EC2 drive not EBS volume size

I have an EC2 instance which I created a 500GB EBS volume for. Unfortunately, the EC2 instance shows only 8GB available. I have only one drive, which is right. [root@ip-10-244-134-250 ~]# ls -la /dev/x* brw-rw---- 1 root disk 202, 1 Aug 7 08:54…
Christian
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17
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4 answers

Fastest time to get an EC2 instance running

I am considering moving from a VPS to EC2. EC2 is elastic and so is its pricing; I could boot my instance on demand, then let it shut down if it isn't active by the end of some hourly period. How much time does that process take? Assume a micro…
Tobu
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