RHEL: Adding Disk Space
- Jul
- 31
- Posted by TKH Specialist
- Posted in Uncategorized
So your Disk is getting full or worse already full. Here’s a step-by-step approach to troubleshoot and resolve this issue: First, verify the current state of your volume group: vgdisplay vc_name This will show you the details of the ‘rhel’ volume group, including free space. Check the status of the new disk: Ensure that /dev/sdb […]
read moreDisk Woes
- Sep
- 10
- Posted by TKH Specialist
- Posted in System Administration, Workstation
I hope to never use this document again but thought it worth documenting in case someone else has need of the information. I powered my desktop off for a planned power outage. When I powered it back on the system failed to boot reporting either “Error 17” or “Error 25”, in short the software raid […]
read moreUnresponsive VMware Images
- Sep
- 10
- Posted by TKH Specialist
- Posted in System Administration
Over the past week I have had two vmware images become unresponsive. When trying to access the images via the vmware console any action reports: rejecting I/O to offline device A reboot fixes the problem, however for a Linux guy that isn’t exactly acceptable. Upon digging a little deeper it appears the problem is with […]
read more6GB free = 100% disk usage?!
- May
- 15
- Posted by TKH Specialist
- Posted in LVM, redhat, System Administration
What to do when you have plenty of available disk space but the system is telling you the disk is full?! I was working on a server migration, moving 94GB of user files from the old server to the new server. Since we aren’t planning on seeing a lot of growth on the new server, […]
read moreFlush This!
- Aug
- 06
- Posted by TKH Specialist
- Posted in redhat, System Administration
- 1
I came across this today and learned something new so thought I would share it here. After killing 2 processes that had hung I noticed the following in the ps output: root 373 2 0 Jun11 ? 00:00:00 [kdmflush] root 375 2 0 Jun11 ? 00:00:00 [kdmflush] root 863 2 0 Jun11 ? 00:00:00 [kdmflush] […]
read moreChanging the Volume Group Name
- Apr
- 15
- Posted by TKH Specialist
- Posted in LVM, redhat
One of the problems with cloning a system is that it has the same volume group names as the server it was cloned from. Not a huge problem but it can limit your ability to leverage the volume group. The fix appears easy but there is a gotcha. RedHat provides a nice utility: vgrename If […]
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