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2
votes
1answer
61 views

Unreferenced inodes on EC2 linux instance

I have an Amazon EC2 instance which I am using as a NFS file server. It's using a 5x1TB volume RAID0 array. The system is very I/O intensive and files are being written/copied/deleted through the NFS ...
2
votes
0answers
104 views

Unable to mount XFS volume after reboot - unknown filesystem type 'xfs'

I have an aws ec2 instance that's been running Ubuntu 12.04 for a good long while. It has attached to it an EBS volume formatted with xfs. Today after a reboot, I'm unable to mount this volume. ...
2
votes
1answer
78 views

Why EC2 instance spends all its time in “IRQ” and what to do about it?

I have an m1.small EC2 instance that is mostly just running Apache as a web server for several simple PHP web sites (that use RDS as a database). The server is constantly with a very high load average ...
0
votes
1answer
127 views

EC2 1/2 status checks while replacing the volume

So, I an EC2 instance and 2 volume with 8GB and 50GB. Initially 8GB was mounted to root device (/dev/sda1). I intended to switch root to 50GB. Here are the steps, I followed: - Stop the instance - ...
1
vote
3answers
314 views

Amazon EC2 micro instance large number of IO requests

I'm trying to understand why I have a huge number of EBS IO request on my Amazon EC2 micro instance. I launched the instance roughly 6 days ago and has racked up over 4 million IO requests so far. ...
0
votes
2answers
5k views

How can i free up memory / manage memory on a linux box?

I am running two Ubuntu 12.04 servers (no GUI / desktop) using canonical's cloud images on Amazon EC2. One is a micro with 613MB of RAM and one is a medium with 3.75GB of RAM. I only have opscode's ...