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

Technical Articles

GFS Rotation Header
What is meant by GFS rotation?

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

HDDvsSSD
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?

Graid notification
NVMe health with Graid in view

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

containerbogen
What are containers?

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

Lüftungsrohre
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.

Blockschaltbild für Proxmox
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.

sharing
Correctly share folders in the network under TrueNAS

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

Logs unter TrueNAS sichern1
Backup log files under TrueNAS

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

matrix-ga244f1693_1920-1024x442
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.

EOL Windows Server 2012R2
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!

World Backup Day transfer-file-6116820_1920
RTO and RPO - Important acronyms explained

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

11
10 Steps to HDD swap under TrueNAS

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

Cloud Parachute
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?

Backup to Disk to Tape
Backup to Disk to Tape. What is D2D2T?

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

Backup Symbolbild
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.

Silent Data Corruption
Protected from Silent Data Corruption aka bit rot

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

2023-04-21 09_35_49-Window
Benchmarking the cache tiering under Ceph

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

headset
Monitor Netphone calls with Checkmk

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

hard-drive-5235642_1920
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.

VMShutdownManager_v
Shut down servers and VMs in a structured way

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

Webcam-Radstadt-Rossbrand-PANOMAX-360-wide
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,

Zealbox-Z50.12
Creating aliases for complex and daily used Terminal commands

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

sparks-692122_1920
Enabling automatic security updates on Linux

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

Glühbirnen
Checking the weather from your Terminal

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

sound-wave-g16a6ee4a3_1920-1024x597
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.

 

SFF-8643.Card_-1024x576
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?

a5-1024x414
Effectively counter Log4Shell

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

a3-1024x94
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.

BBU_SuperCap
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.

ARC_Basic_Mechanism_compact_III-1024x346
RAM and SSD Cache Choices for OpenZFS

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

Software
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. 

Collection_of_Different_SSD_Types-1024x576
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.

TrueNAS-Screen-1024x568
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.

11
ZFS-FAQ

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

pexels-photo-1148820-1024x684
Reserves properly used: Hotspare versus Coldspare

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

MG09SCA18TEQnl
HDDs with FC-MAMR from Toshiba

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

Ultrastar-DC-SN640-family-C2
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

Backup-Media-LTO-Fuji-ultrium8
Perform with WORM

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

Tastatur-Hand
RAID, ZFS, Erasure Coding, or Replica

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

chain-4049725_1920-300x300
RAID 0+1 vs RAID 10

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

Zealbox_Z80.11_4R1_left_open-1024x558
Evolution of RAM modules

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

CCT-controls-1024x199
Ceph under Hyper-V and VMware

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

Switch-Verkabelung.jpg
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. 

server-1235959-1024x683
RAID5 versus RAID10

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