Technical Articles - Starline Computer: Storage und Server Lösungen von erfahrenen Experten

Technical Articles

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TrueNAS CORE vs TrueNAS SCALE

Although the two main versions TrueNAS CORE and TrueNAS SCALE are related, they are fundamentally different. We provide an overview.

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RAID5 with Hotspare versus RAID6

We compare a RAID system with six bays with different RAID modes: firstly with RAID5 with hot spare and secondly with RAID6. 

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How to find the right ports under Veeam

Veeam offers comprehensive data protection solutions for companies. For Veeam to work optimally, it must have the right port shares.

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What is a SATA DOM and what is it actually suitable for?

SATA DOMs, which are almost completely unknown in the consumer sector, have played an important role to date.

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Prevention is better than suffering the consequences

This allows you to classify malware and find possible countermeasures for your cyber security.

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GRAID server with many options

A GRAID server concept for the discerning: Expandable high-end server for special tasks in the media or medical sector.

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It's possible: Enterprise Server & Consumer GPUs

Starline technicians have built a GPU server from four MSI RTX 4090s for 3D rendering, AI ML, simulations and even decryption.

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How to export log files

Here you will find instructions for exporting log files for various IT and storage systems.

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How to mount iSCSI storage under Proxmox VE

In this step-by-step guide, we will show you how to integrate your iSCSI storage under Proxmox VE.

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How to install TrueNAS CORE

Step-by-step instructions for the installation and initial configuration of a TrueNAS CORE Storage Server.

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Small Areca Thunderbolt RAID Guide

Facts about the ARC-8050 series from Areca, which are particularly appreciated by users from the media industry.

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What is meant by GFS rotation?

Organised tape change: With GFS rotation, you can achieve a largely seamless sequence of your backups.

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Do SSDs forget their data without power?

Although this is a less common scenario, it does happen: Is there data loss when powerless SSDs are extended?

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NVMe health with Graid in view

How to set up the e-mail notification service for the Graid SupremeRAID models under Windows and Linux.

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What are containers?

Administrators use containers – a standardized software model – to virtualize applications in separate areas.

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Kubernetes - A control center for containers

Kubernetes includes a container orchestration platform for deployment, management and monitoring.

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Heat dissipation of your servers and storage systems

BTU, joules and kilowatt hours: How much heat does my IT generate? Simply estimate the heat output of your systems.

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Employee project on Proxmox virtualisation

Do you think data security is handled too laxly on the Internet? Here is an anti-micro-targeting project for this.

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Correctly share folders in the network under TrueNAS

Correctly share folders on the network with TrueNAS: How to manage shares correctly under TrueNAS.

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Backup log files under TrueNAS

Log files are important logs to maintain. Here you get a tutorial to save logs under TrueNAS CORE.

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Current security gaps

We would like to keep you informed about acute IT threats. At this point we will inform you about emerging threats in a timely manner.

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EOL: End of support for Windows Server 2012/R2 approaching

On October 10, 2023, support for Windows Server 2012/R2 will end. So it's high time!

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RTO and RPO - Important acronyms explained

Recovery Time Objective and Recovery Point Objective - What do the indicators mean and why are they so important?

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10 Steps to HDD swap under TrueNAS

Step-by-step instructions for replacing a faulty hard disk in TrueNAS (formerly FreeNAS).

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Cloud services targeted by cyber-criminals

Security gaps in cloud applications raise the question: Maybe it's better to rely on local solutions after all?

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Backup to Disk to Tape. What is D2D2T?

What is behind the two-stage backup D2D2T and its different technical requirements?

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Distantly related but essentially different

Backup and archive differ fundamentally in terms of the data to be backed up, the timing and the installation required.

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Protected from Silent Data Corruption aka bit rot

Silent Data Corruption (SDC) is indeed a creeping danger. On the causes, effects and prevention strategies.

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Benchmarking the cache tiering under Ceph

How to improve HDD pool performance with Ceph cache tiering through an NVMe pool.

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Monitor Netphone calls with Checkmk

With the monitoring tool Checkmk you can record the active calls of a Swyx/Netphone server.

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Securely erase data media - How to nuke HDDs and SSDs

Securely erase data media: Learn how to safely protect the data on your decommissioned HDDs or SSDs here.

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Shut down servers and VMs in a structured way

The VMShutdownManager ensures a smooth restart after planned maintenance or a failure due to malfunction.

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Privacy for tourists via AI and NVIDIA Tesla GPU

Data protection for tourists ensured via AI application and NVIDIA Tesla - GDPR-compliant! Technology study of modern hardware projects,

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Creating aliases for complex and daily used Terminal commands

Creating Linux aliases: How to simplify your life with aliases under Linux

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Enabling automatic security updates on Linux

How to activate automatic security updates using the Debian/Ubuntu operating systems

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Checking the weather from your Terminal

How to use the AnsiWeather shell script to retrieve the latest weather data via your Linux terminal.

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Server noise reduction: IT noise at work

server noise reduction: The only alternative to one or more fans is not necessarily water cooling. Our concepts for reducing noise are more comprehensive.

 

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RAID, Backplane and Chassis under OpenZFS

RAID, Backplane and Chassis for OpenZFS: Does a file system that is also a disk or RAID manager need a RAID controller at all?

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Effectively counter Log4Shell

Log4Shell: Inspecting and patching your *nix system for security vulnerability CVE-2021-44228

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About the Log4Shell hazard

Find out if you are at risk because of Log4Shell and how you can make your storage system or server secure again.

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Protecting RAID systems with BBU or SuperCapacitor

Protecting RAID systems with BBU or SuperCapacitor Protect the data in the several gigabyte large write cache with a BBU or a SuperCap.

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RAM and SSD Cache Choices for OpenZFS

RAM, SSD Cache and RAID Controller Choices for OpenZFS storage systems and servers.  Some important hardware characteristics.

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How to gracefully shutdown your Linux system

Gracefully shutdown is when you are using embedded Linux functions, allowing the OS to finalise, close tasks and save any data to the disks. 

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Disk drive options for TrueNAS server

ATA, SCSI, SATA, SAS, NL-SAS, SSD, PFP, 512n, 4Kn: Confusing shortcuts, drive parameters and options for your ZFS installations at a glance.

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FreeNAS, TrueNAS CORE and OpenZFS

In the first part of our series about FreeNAS, we will show you the main components of the attractive storage operating system.

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ZFS-FAQ

Understand TrueNAS, ZFS, ZPool and VDEV: Learn how reliable Starline servers work with ZFS in our FAQ.

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Reserves properly used: Hotspare versus Coldspare

Why do security-conscious administrators prefer a coldspare HDD instead of a hotspare disk in the RAID?

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HDDs with FC-MAMR from Toshiba

How Toshiba developers have used microwave technology to help hard drives gain more storage space in LFF enclosures.

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U.2 M.2 E1.L: NVMe™ form factors for Datacenter SSDs

U.2, M.2 or E1.L: The right SSD form factor for your applications using the Ultrastar DC SN640 from Western Digital as an example

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Perform with WORM

Keep calm in the face of Trojans, viruses, ransomware and cyberattacks: rely on WORM from Starline for LTO and storage.

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RAID, ZFS, Erasure Coding, or Replica

Storage capacities of disk pools: Protected via RAID, ZFS, Replica or Erasure Coding to the right capacity

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RAID 0+1 vs RAID 10

A RAID can be secured via different levels. We show you here which are suitable for this purpose.

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Evolution of RAM modules

DDR SDRAM at a glance: A chronology of memory with its increasing clock rates from SDR to DDR5.

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Ceph under Hyper-V and VMware

Our ingenious Ceph solutions provide you with an economical and highly secure backup repository.

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Serverlexicon

The inflationary use of the term server often causes confusion. Here is an attempt at a compilation of the most common server types, types and applications. 

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RAID5 versus RAID10

A RAID with four drives could be secured over different levels. We show you here which are suitable for this purpose.