Buffalo Linkstation - Partition not Found. Here is how to fix the Partition not Found error on the Buffalo Linkstation.
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Disk I/O Monitoring on the Asus RT-AC66U Router
The Asus RT-AC66U, like many home routers that are on the market today, allow you to connect a USB drive to one of its onboard USB ports and share this disk out to your network. Via the RT-ACC66U, you can share your NAS disk via CIFS or NFS. My configuration has a 1TB unmirrored drive used … Continue reading Disk I/O Monitoring on the Asus RT-AC66U Router
RHEL6 – How to Manually Logout of an Iscsi Disk
One of the issues that I have run into in the past when working with iscsi disks occurs when a host (initiator) is unable to logout gracefully from an iscsi disk when attempting to shutdown or reboot a host. Note that this is a known issue and is documented here and here. I have not read completely through the RHEL 6 Bugzilla to see if the issue has been resolved, however I can tell you that I have seen this issue in RHEL 6.2.
Xenserver 6 – Create an Addtional Local Storage Respository with Thin Provisioning Support
So recently I deployed 3 XenServer 6 hosts with local storage only. Our need was to virtualize approx 6 very old Centos QA servers running on ancient hardware. Since I did not have any dedicated network/san storage at my disposal I stuck 6, 146 SAS drives in each server and carved them up into a 410GB raid 10 array. However the XenServer install did not detect this secondary logical disk, so I had to figure out how to manualy create a storage repository using this new drive.
How to Check Mulitpathing in Veritias Volume Manager
Multipass-01Today while working in the Datacenter, I accidentally destroyed a fibre cable running to one of our database servers. All the databases went poof and the DBAs freaked out. After I reminded them that this was a non-production database I went about running a new fibre cable.
LSI MegaCLI — Check For Failed Raid Controller Battery
There are several tools that you can use to monitor and configure and LSI SAS controller, however as I have found, some are easier than others to use and some to not always display the correct information.
Removing a Virtual Disk from CentOS/RHEL via vSphere Client
When you right click on a VM via the vSphere client and click edit setting you will see your hard disk enumerated as follows