2
votes
0answers
128 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. ...
0
votes
0answers
26 views

XFS Tracing with Ftrace

I use a disk drive formatted with xfs.My OS is Ubuntu Server 12.04 LTS (kernel 3.11.0-22-generic). I would like to use ftrace (e.g.,trace-cmd record -e xfs\*) but under ...
1
vote
1answer
52 views

mkfs.xfs /dev/custom_dev

I try to format a custom block device with mkfs.xfs in Ubuntu Server 12.04 LTS. In the end terminal prints: cache_node_put: node put on refcount 0 (node=0x1cd7810) cache_node_put:node put on node ...
4
votes
1answer
3k views

What is the difference between a symlink and binding with fstab?

In Eric Hammond's article Running MySQL on Amazon EC2 with EBS he shows how to add a second drive (/vol/) and then progresses to move mysql's config and data there. /sdh gets mounted as /vol by ...