i am trying to create a AWS EC2 instance with:
Redhat 6.5,
HVM virtulization,
EBS optimized: true,
volume Type: Provisioned IOPS,
EBS Size: 200 GB,
iops: 4000
than add name, Security Group, key and launch instance. it says launching and when i view the instance it gets terminated automatically.strange issue....i tried different OS. same issue , i guess issue with with when i select Provisioned iops. if i go with standard it creates the instance but with limited IOPS. any idea???
Every Account has a limited number of IOPS that can be attached to the volumes.I think the limit per account is set to 10000. This may be the reason why your instances are getting terminated. Check for all volumes that you already have IOPS associated and add them up to see if you are exceeding the limit.
If this is the issue I think you can contact AWS to increase the limit.
Related
We have Clickhouse running on EC2 with EBS volume attached. We successfully increased disk size using AWS guide which works flawless.
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/recognize-expanded-volume-linux.html
But using Clikhouse
SELECT * FROM system.disks; We do see the old size of disk.
We also stopped and started server again. In config.xml I couldn't find and disk space related configuration.
I ran into some issues with my EC2 micro instance and had to terminate it and create a new one in its place. But it seems even though the old instance is no longer visible in the list, it is still using up some space on my disk. My df -h is listed below:
Filesystem Size Used Avail Use%
/dev/xvda1 7.8G 7.0G 719M 91% /
When I go to the EC22 console I see there are 3 volumes each 8gb in the list. One of them is attached (/dev/xvda) and this one is showing as "in-use". The other 2 are simply showing as "Available"
Is the terminated instance really using up my disk space? If yes, how to free it up?
I have just solved my problem by running this command:
sudo apt autoremove
and a lot of old packages are going to be removed, for instance many files like this linux-aws-headers-4.4.0-1028
Amazon Elastic Block Storage (EBS) is a service that provides virtual disks for use with Amazon EC2. It is network-attached storage that persists even when an EC2 instance is stopped or terminated.
When launching an Amazon EC2 instance, a boot volume is automatically attached to the instance. The contents of the boot volume is copied from an Amazon Machine Image (AMI), which can be chosen from a pre-populated list (including the ability to create your own AMI).
When an Amazon EC2 instance is Stopped, all EBS volumes remain attached to the instance. This allows the instance to be Started with the same configuration as when it was stopped.
When an Amazon EC2 instance is Terminated, EBS volumes might or might not be deleted, based upon the Delete on Termination setting of each volume:
By default, boot volumes are deleted when an instance is terminated. This is because the volume was originally just a copy of an AMI, so there is unlikely to be any important data on the volume. (Hint: Don't store data on a boot volume.)
Additional volumes default to "do not delete on termination", on the assumption that they contain data that should be retained. When the instance is terminated, these volumes will remain in an Available state, ready to be attached to another instance.
So, if you do not require any content on your remaining EBS volumes, simply delete them. In future, when launching instances, keep an eye on the Delete on Termination setting to make the clean-up process simpler.
Please note that the df -h command is only showing currently-attached volumes. It is not showing the volumes in Available state, since they are not visible to that instance. The concept of "Disk Space" typical refers to the space within an EBS volume, while "EBS Storage" refers to the volumes themselves. So, the 7GB of the volume that is used is related to that specific (boot) volume.
If you are running out of space on an EBS volume, see: Expanding the Storage Space of an EBS Volume on Linux. Expanding the volume involves:
Creating a snapshot
Creating a new (bigger) volume from the snapshot
Swapping the disks (requiring a Stop/Start if you are swapping a boot volume)
These 2 steps add an extra hard drive to your EC2 and format it for use:
Attach an extra hard drive (EBS: Elastic Block Storage) to an EC2
Format an EBS drive attached to an EC2
Here's pricing info. Free Tier includes 30GB. Afterward it's $1.25/month for 10GB on a General Purpose SSD (gp2).
To see how much space you are using/need:
Check your current disk use/available in Linux with df -h.
Check the size of a directory in Linux with du -sh [path].
When I launch the instance, it automatically comes with a 30GB "C: Drive" and some "Ephemeral" drives.
My question is
"...where is the expected 410GB hard drive?"
I noticed you can change the default 30GB to be some other size.
Is this where one can increase to up to 410GB?
Instance storage is not enabled by default:
Instances that use Amazon EBS for the root device do not, by default,
have instance store available at boot time. Also, you can't attach
instance store volumes after you've launched an instance. Therefore,
if you want your Amazon EBS-backed instance to use instance store
volumes, you must specify them using a block device mapping when you
create your AMI or launch your instance.
You will find this quote and more info about how to enable it in the AWS-EC2 User Guide. See the section "Making Instance Stores Available on Your Instances".
Why ephemeral disk isn't listed on (fdisk -l) when i create a instance on amazon ec2 from my previously created (AMI)?
You have two options to enable ephemeral storage on an instance.
Enable it at launch. Can be done in the console or command line tools.
Enable it with you register a snapshot as an AMI. By default it will not map ephemeral storage, this is something you have to explicitly enable.
In my case, I confused the ephemeral disk instance ID with the disk quantity, and added ephemeral disk instance 1, rather than ephemeral disk instance 0. m1.medium instances only support 1 ephemeral disk, and it MUST be ephemeral disk instance 0.
I know it is a newbie question but the documentation is really not clear about that.
I have successfully launched a Cluster Instances Amazon Linux AMI 2011.02.1 cc1.4xlarge instance. I need to upload and process a 15 GB text file and I don't know how to activate the "additional" storage.
By default, I have just 8 GB of storage. Can someone help me writing simple and clear instruction on how to activate all the storage (1690 GB) I should have?
Thanks a lot in advance.
Regards,
Eugenio
You should be able to mount your ephemeral drives by following this guide.
Cheers.
It's a very common question and there's a large confusion that everyone has around this when starting to work with AWS EC2.
There are 2 things to have in mind here :
Instance Type
AMI (Amazon Machine Image, basically a disk snapshot with some operating system)
Each AMI has some requirements that will dictate parts of the configuration of your created instance.
Here we're concerned with the Root Device type of an AMI :
EBS-backed AMI
These AMI's only work on instances that have an EBS volume attached. And therefore if you choose an EBS-backed AMI, the wizard will by default add an EBS volume (usually of size 8 GiB) without you noticing, and you'll be charged for this EBS separately in addition to the EC2 hourly charge. In this case when you ssh to your instance you will only find 8 GiBs of storage and not the large storage you're promised when you view the EC2 Pricing table at https://aws.amazon.com/ec2/pricing/ . And that is confusing.
If you also want to use your -usually large- instance store with these AMIs, then when you create that instance you have to explicitly add a volume and select Instance Store 0 from Volume Type (in Step 4 - Add Storage). You may have more than 1 drives assigned to your instance type, you need to add all of them in this case (Instance Store 0,1,..etc). These volumes can only be added at creation time. If the volumes were automatically mounted then you'll find them at /media/ephemral*, if not, you'll have to mount them manually.
Instance-Store-backed AMI
Those images use the Instance Storage as their root device (the OS will be installed on the instance store at / ). I think the confusion comes from the fact that these AMI's are not instantly viewable in the Quick Start tab of Step 1 at which you choose the AMI. All AMIs in the Quick Start tab are EBS-backed, and Instance Store AMIs are very uncommon these days, everyone uses EBS-backed AMIs because of their various speed and persistence benefits, and that's recommended by Amazon as well.
If you want an instance-store-backed AMI to avoid dealing with any EBS whatsoever, then in Step 1, choose the tab Community AMIs, and filter them by Root Device Type = Instance Store, then choose your AMI. Whether or not you add Instance Store 0 in Step 4 - Add Storage, the instance store will be available.
Check what Amazon Linux AMI type you're launching the image as. In my experience, if you launch with the "EBS-backed" AMI type, it won't mount the ephemeral storage. If you switch to the "Instance Store" type, it will mount it for you at /media/ephemeral0
http://aws.amazon.com/amazon-linux-ami/