Build Your own DIY home or lab Storage Spaces Direct Cluster orderd from ebay Part 1

So i built a 2 node S2D cluster¬† a while ago at home on some old HP G6 nodes i got cheap. But have decided to get rid of that and setup a new 3 node cluster with bit’s i can find on ebay. And reuse disks i have. This will be a multipart blog post as the parts are orderd and they come in. And during the build process. I will provide a step by step guide in building it, installing, configuring, monitoring and troubleshooting Storage Spaces Direct. Including switch config.

Read more

How to bring a REFS volume online again if it get’s offline and alert about it.

So we are having some issues with a REFS volume going offline, on a singel server storage pool if there is too much data being written to the volume in the morning. At the moment we have not figured out why. Disks are showing ok. Get-Physicaldisk and Get-Virtualdisk is ok. Everything says it’s healthy. And logs only show REFS being taken offline due to write error.

Read more

DPM 2016 Backup failes with Unknown error or unable to communicate

After the issue with DPM and Defender in one of my prev posts here¬†we started having problems backing up some vm’s. The error would be Unknown error or The DPM service was unable to communicate with the protection agent on (Name of hyperv host) (ID 52 Details: The semaphore timeout period has expired. (0x80070079))

The backup is of a Hyper-V virtual machines on a S2D 4 node cluster. And it’s spread over all 4 nodes. Initially this was on 7 vm’s. Im down to 3 now as i write this blog. As i need to fix 1 and 1.

Read more

Replacing a failed Disk on a storage spaces direct pool failed

So yesterday i had to replace a disk on a failed HDD in one of our S2D cluster. After replacing the drive and removing the failed drive from the cluster i ran Get-Physicaldisk and noticed i had no disks with Canpool = True. This is normal as S2D will detect the new disk and add it to the Storage Pool to balance the pool correctly.

Read more