Tagged Questions
0
votes
1answer
16 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
votes
1answer
31 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
votes
2answers
31 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
votes
2answers
27 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 ...
0
votes
0answers
30 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
votes
2answers
41 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
35 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 ...
0
votes
3answers
44 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
vote
0answers
38 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
52 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 ...
0
votes
0answers
27 views
Get AWS Instance Disk Space Programatically using .NET API's [duplicate]
I managed to get data of instance using below code
AmazonEC2 ec2 = AWSClientFactory.CreateAmazonEC2Client(
AWSAccessKey,
AWSSecretKey,
...
1
vote
2answers
51 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
vote
1answer
72 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% ...
0
votes
1answer
37 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
32 views
Empty /mnt: store-backed instance launch from EBS-backed AMI
I have an EBS AMI which I want to publish in AWS Market Place.
The AMI was created with data in /mnt.
The snapshop includes both /dev/sda1 and /dev/sdb devices :
Block Devices: ...
0
votes
1answer
89 views
Where's my ephemeral storage for EC2 Instance
I have looked through the following questions, notably How to use "Instance Store Volumes" storage in Amazon EC2?
However, it didn't answer. I created a EC2 small instance with EBS as the ...
1
vote
1answer
50 views
Amazon EC2 - Create private AMI from snapshot
I'm having a really hard time. This is where I am. I have created an EC2 instance, installed my configs and taken a snapshot. I now want to turn this snapshot into an AMI that I can start new ...
0
votes
1answer
55 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
49 views
Sharing 80Gb of data between ec2 instances
Morning,
I have an Amazon ec2 linux instance, with a separate EBS drive, 500Gb in size of which there is 80Gb of data. I want to share this data with a couple of other ec2 instances that I will be ...
0
votes
0answers
39 views
Need to rebuild array from EBS volumes on AWS
I shutdown a bunch of instances on our AWS account as we're no longer developing for a product. After shutting down everything, before hitting the delete button on the EBS volumes, we decided we would ...
0
votes
1answer
53 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
2answers
120 views
Amazon EC2 EBS Backed Do I need to worry about backup strategy at all?
If I enable termination prevention, do I need to have a backup strategy in place at all? I have Windows /w SQL Server on a ROOT backed EBS EC2. I can NEVER lose my server configuration or database ...
0
votes
2answers
71 views
Which EBS drive attached to my Amazon EC2 instance contains root volume?
I have an Amazon EC2 instance that has two EBS drives associated with it: an 8 GB drive at /dev/sda1, and a 20 GB drive at /dev/sdf. I didn't set this up so I'm not sure why this instance needs two ...
0
votes
1answer
51 views
How can I add Amazon EBS drive to instance with two EBS drives already?
Per this excellent answer, I'm trying to disconnect an EBS drive from one instance (Server-01) and connect it to another instance (Server-02), where I will mount it and get access to a file I need. ...
0
votes
1answer
80 views
insalling glusterfs client on Amazon Linux AMI
I created glusterfs instances using Ubuntu TLS AMI. I want my existing instances (Amazon Linux AMI) connect to glusterfs servers.
There is no Amazon Linux folder at the glusterfs's download page:
...
1
vote
1answer
352 views
installing glusterfs on amazon ec2
My drupal website running on Amazon EC2 cloud. My instances use S3 stroge for dynamic files.
But I realized that S3 is too slow and it may cause problems.
I want to use glusterfs instead of S3.
To ...
1
vote
0answers
47 views
How to backup large EBS backed EC2 instances with several spanned or striped volumes? [closed]
I'm looking for an answer regarding the best method to backup large spanned or striped volumes for windows EBS backed instances. Best as defined by fast, low cost, and using the existing AWS ...
-3
votes
2answers
58 views
Discover ec2 usernames for public ami [closed]
Is there a way to discover or specify the username I need to use to ssh in to an ec2 instance? I know how to select my key pair, but depending on the ami, you need to use a different username.
For ...
1
vote
3answers
162 views
Can I create a RAID array over EBS volumes without using mdadm?
I'm new to Linux device management, and filesystems generally, so the answer to this question might be "No, of course not. What were you thinking?" or "Yes, of course. Isn't it obvious?" All the same ...
0
votes
1answer
79 views
how do I find out what part of my ec2 storage is ephemeral
This may be a silly question, excuse my ignorance.
I have an instance running like this:
Does Root Device : EBS mean my entire system is on EBS?
I've configured apache and a perl app here, all my ...
0
votes
1answer
145 views
What are the differences between availability zones for Amazon EC2 in US east?
Are there any known differences between the different US East availability zones? I've noticed 1e is new on the list. Does that mean that the underlying hardware is newer and the EC2 instances ...
0
votes
1answer
133 views
What will happen to my EBS data when autoscaling my EC2 instance?
I have various websites hosted on 1 same single EC2 instance so far. In the root EBS volume of such instance I have:
Codes and files of the websites which change every hour if not every minute
Apache ...
2
votes
2answers
212 views
Upload Files to Amazon AWS
I am new to Amazon AWS and fairly new to Web hosting in general. I previously used Bluehost for web hosting, but my company is switching to AWS. I'm wondering what the best practices are for uploading ...
0
votes
1answer
71 views
EC2 Reserved Instances - Currently have micro what to do now?
I have been running with 2 micro on demand instances. I now want to convert one of the servers to a small instance. I have purchased a Windows small reserved instance in us-east-1b and it is now ...
16
votes
2answers
1k views
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 ...
2
votes
1answer
50 views
When I mount an XFS snapshot that was frozen, do I need to unfreeze it?
I'm snapshotting an XFS EBS volume, freezing it first.
When I mount the snapshot as a new volume on a different instance will I need to unfreeze the volume before it can be used, or will it not be ...
1
vote
1answer
504 views
Do EC2 EBS provisioned iops volumes set an iops cap, not just a minimum?
I've been testing AWS EC2 with EBS optimized instances using EBS provisioned IOPS volumes in the hopes of finding out just how much better they perform in reality. I'm confused by the results and was ...
0
votes
2answers
236 views
Problems migrating an EBS backed instance over AWS Regions
Note: I asked this question on the EC2 forums too but haven't received any love there. Hopefully the ServerFault community will be more awesome.
The new AWS Sydney region opening up is something that ...
1
vote
2answers
87 views
How to update an EBS AMI's snapshot?
I have an AMI that I use for my rails web servers. This AMI using an EBS Snapshot to launch with the basics all ready for production.
I now need to update some configuration settings on web servers ...
-1
votes
2answers
74 views
How to load balance when database and application running on same instance in Amazon EC2
I have the situation where I am running my application and Postgresql database on same Ec2 instance. Data of Postgresql gets saved on another EBS Volume different from the Root volume of the instance. ...
3
votes
1answer
469 views
Auto-Attach EBS-volume to a New Spot Instance?
I am experimenting with EC2 spot instances, and am needing some data to be retained between terminations. Now as I understand it, when the current price goes above my max. bid, it will be ...
0
votes
1answer
50 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
0answers
78 views
Creating a snapshot of an attached EBS volume is not working
I'm trying to create a snapshot of an 8GB volume attached to another instance whose device is named sdh5. I originally created this volume myself and mounted it as an ext4 filesystem. Now I'm trying ...
-3
votes
1answer
101 views
Amazon EC2 - Does the 160GB drive charges for IOPS? [closed]
If I buy a Standard Small EC2 instance, it comes with a 160GB. But does this 160GB drive is an EBS drive? Or simply storage for the OS...
And also am I charged for the IOPS on that 160GB drive?
0
votes
1answer
81 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 ...
1
vote
0answers
57 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 ...
2
votes
1answer
110 views
Creating an AMI from an EC2 instance with mounted volumes
I have an EBS-backed instance with a 2nd mounted volume (I followed the steps in Eric's Article)
I then created an AMI from that instance, and ran an instance from that AMI.
That 2nd instance then ...
0
votes
1answer
182 views
How does AWS Provisioned IOPS EBS volumes compare to dedicated disk [closed]
In the past, no one can answer the performance difference as they are not well documented. Now AWS offer Provisioned IOPS EBS volumes
Let say you now you buy 1000 IOPS, how does this value compare ...
0
votes
3answers
638 views
Command does not execute in crontab while command itself works just fine
I have this script from Colin Johnson on Github - https://github.com/colinbjohnson/aws-missing-tools/tree/master/ec2-automate-backup
It seems great.
I have modified it to send email to myself every ...
0
votes
1answer
73 views
Installing Windows Server 2012 Preview on an Amazon EC2 instance
Is there any way of doing a clean install on an Amazon EC2 instance. I have the bootable installation media stored in an EBS volume. How can I boot from that volume? And do I have to use an automated ...
