Philip Elder

66 posts

Lessons Learned: Rack Enclosures: PDUs, PDU Cables, and Cable Ties

This is what one of our Proof-of-Concept (PoC) rack enclosures looked like before we were finished buttoning things up: Four Node Storage Spaces Direct Cluster with Mellanox 40GbE RoCE Fabric In the end, we did a decent job of wrapping and coiling the massive 40GbE cables and the 250V PDU […]

Windows 10: WiFi Download Speeds Stall

There is an issue with Receive Segment Coalescing (RSC) on Windows 10 that causes download speeds to stall while connected via WiFi. Steps to disable Rsc using Microsoft’s automated tool: 1) Download the “.diagcab” file located here: https://aka.ms/diag_cssemerg11005 (UPDATE 2021-03-17: Link is dead) 2) Run it, and let it see […]

Custom Build S2D: The Elusive SlimSAS 8x (SFF-8654) Cable

Server and workstation boards have had SlimSAS 8x connectors for dual NVMe drive setups for quite a long time now. ASRock Rack EPC621D6U-2T16R (BTO Board) The SlimSAS SFF-8654 connector is to the right of the PCIe x16 slot. When they started appearing on server and workstation boards, we began trying […]

Backup Restore Errors: Network (UnAuthenticated) and Lost Domain Trust Fix

We had to restore a VM that became unresponsive a couple of days ago. The backup was from 1900Hrs the night before so only about 14 hours to the moment we realized we needed to restore. Once the restore was complete, the VM did not come back online. We were […]

TYAN RMM TIPs: Default Username and Password Plus Set Up Tips

TYAN has an excellent built-in Remote Management Module (RMM) that does not require an extra license like some Tier 1 vendors do. TYAN Default Administrator Username and Password The default TYAN username and password is: Username: root Password: superuser The first thing we do when we sign in is create […]

Replication Errors: 1127: Hard Disk Operation Failed, 8524 (0x214c): DSA Operation … DNS Lookup Failure – FIX

We ended up with a situation where a workstation lost trust with the domain. When looking into what was happening on the two Domain Controllers (DCs) on the domain it took a while to figure out just where the problem was. The first error was 1127, failing to write to […]

Veeam, StarWind VTL, BackBlaze B2 and a GFS Setup

We’re in the process of configuring our backups for no more off-site physical rotations. There are several ways Veeam v10 allows for direct to block storage but limited to Azure and AWS out of the box. Blog Post: Setting Up a Veeam to StarWind Virtual Tape Library Configuration We set […]

PowerShell Guides Update: Added New-VM SecureBoot Linux & Updated Others

We took some time today to add the following PowerShell Guide to our repository: New-VM Template: Gen2 SecureBoot Linux We ran into a snag installing the latest Ubuntu Server software with the .ISO refusing to boot unless we turned SecureBoot off. As it turns out, thanks to a pointer from […]

Setting Up a Veeam to StarWind Virtual Tape Library Configuration

After an evaluation of the various cloud storage vendors and their cost to store our backups there we decided on the following: Veeam Backup & Replication v10 StarWind Virtual Tape Library (VTL) BackBlaze B2 At the bottom of the B2 link is a calculator showing the savings over the others. […]