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Questions tagged [amazon-ebs]

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

573 questions
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Find current IOPS usage of EBS volume from my application on AWS EC2

I am relatively new to AWS and disk performance. I am trying to figure out how much provisioned IOPS does my application need to perform well. Currently My PHP and MySQL application is hosted on EC2 instances with simple EBS volumes attached. The…
Ruchit Rami
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XFS: no space left on device, (but I have 850GB available!)

I'm using a combination of mdadm, lvm2, and XFS on Amazon EC2. So far, I've had success running a RAID 5 volume built from a number of EBS volumes. The EBS volumes are attached and used with mdadm to create the RAID 5. Then, I use LVM to present the…
Tom
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Software RAID10 for later growth

I'm wondering what the best practice is for creating RAID10 in software on Linux with the ability to later grow by adding disks or expanding volumes underneath. I'm using EBS on Amazon, I want to create 8x1GB RAID10 but have the ability to grow…
Richard
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Created an EBS volume from a snapshot, but can't mount it?

fdisk -l shows the volume so it looks like it's attached but when I follow these steps echo "/dev/xvdg /vol2 xfs noatime 0 0" | sudo tee -a /etc/fstab sudo mkdir /vol2 sudo mount /vol2 I get the error mount: wrong fs type, bad option, bad…
Dave L
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Is RAID 1 overkill on Amazon EBS drives in terms of reliability?

My thinking behind this is that RAID 1 creates two or more copies of the data on multiple EBS drives. Yet, aren't Amazon EBS disks virtually fail-safe because they live on multiple physical drives? So then in terms of reliability, you aren't gaining…
Sameer Parwani
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What is the best file system (used by an Amazon EBS volume) for a lucene index?

I want to create an ebs volume (Amazon EC2 cloud computing) to store my lucene index. What is the best file system to use (when using the command mkfs -t ?) ? I know xfs is often used for mysql but is it the case for lucene index ? thanks.
Jerome C.
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AWS: What is the difference between Burst Balance and EBS IO Balance metrics?

AWS Docs describe Burst Balance and EEBS IO Balance in the following way: BurstBalance The percent of General Purpose SSD (gp2) burst-bucket I/O credits available. EBSIOBalance% The percentage of I/O credits remaining in the burst bucket of your…
Zillo
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MogileFS/GlusterFS/etc + Amazon EBS + Amazon EC2

I have a web application that serves binary files (images, etc). Our application runs on Amazon EC2. We were originally going to use Amazon S3 to store and serve these files, this is no longer an option. We need to transfer these files over HTTPS…
William
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AWS EC2 - EBS Redundancy

I have an AWS Ubuntu EC2 server running with a single EBS volume. Although I take regular snapshots, I am concerned about data redundancy. In order to make sure no data loss, is it possible to convert my ec2 instance to RAID 1 configuration by…
Tolga
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Redis reports read-only filesystem, but it isn't

I get this in my Redis logs: 1182:M 30 Nov 14:27:00.028 * 1 changes in 900 seconds. Saving... 1182:M 30 Nov 14:27:00.029 * Background saving started by pid 1920 1920:C 30 Nov 14:27:00.029 # Failed opening .rdb for saving: Read-only file…
Joe
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How do I view the RDS_ prefixed environment variables in AWS ElasticBeanstalk?

If you set up RDS with ElasticBeanstalk how can you go into the box (via eb ssh) and view the environment variables that are set when you apply RDS to your EB Instance? Amazon automatically sets up these environment variables.…
ThomasReggi
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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 http://cloudinit.readthedocs.org and AWS. Does there exist a functional…
Graham Leggett
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1 answer

Is there anything I can do to speed up snapshot speeds?

I have 3 SSD EBS volumes mounted to my database server. The main data volume is 10TB, the journal volume is 1TB, and a 3rd volume is 100GB. When I take a snapshot of the 3 volumes, the 1TB journal volume consistently takes much, much longer to…
chris
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What happens when I delete the first of several AWS EBS snapshots?

On http://aws.amazon.com/ebs/pricing/ it says: "EBS Snapshots [...] For the first snapshot of a volume, Amazon EBS saves a full copy of your data to Amazon S3. For each incremental snapshot, only the changed part of your Amazon EBS volume is…
Jepper
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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 suggested possibly installing everything under…
usersome101
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