How Do I delete delete existing data, pools and datasets

csearle

Contributor

Feb 24, 2019

#1

Just as the tittle says im a noob looking to start from scratch with existing set up with drives and pools and datasets. What's the best possible course of action..

Basil Hendroff

Wizard

Feb 24, 2019

#2

Suggest you refer to the manual at https://www.ixsystems.com/documentation/freenas/11.2/storage.html#export-disconnect-a-pool

Server	Version	HPE Proliant Micro Server	CPU	RAM (DDR3 ECC @ 1600 MHz)	Pool	Boot	Battery Backup	Jails	VMs	Docker	Other
truenas-l	CORE 12.0-U6	Gen 8	Intel Xeon E3-1270L V2 @ 2.3GHz	16GB	4 x 10TB WD Red+ in RAID-Z1	2 x 16GB Verbatim Store n Go USB 3.0 Gold flash drives in mirror	PowerShield Defender 1200VA. Server is NUT master	DNSmasq, Heimdall, Nextcloud, Plex (Beta), Resilio Sync, Tautulli, Transmission, WordPress			File & media server. Replication source.
truenas-l2	CORE 12.0-U6	Gen 8	Intel Xeon E3-1220L V2 @ 3.5GHz	16GB	4 x 8TB WD Red+ in RAID-Z1	2 x 16GB Verbatim Store n Go USB 3.0 Gold flash drives in mirror	PowerShield Defender 1200VA. Server is NUT slave	Caddy Reverse Proxy	Ubuntu 20.0.1 Desktop (2 core, 4GB RAM, 150GB HDD) with Docker and Docker Compose	OnlyOffice, Collabora, TrueCommand, TC 1.2.3 & 1.3.2 Portainer, Nextcloud-Apache, Nextcloud-FPM, WordPress	Plex DVR media server.
truenas-b1	CORE 12.0-U6	Gen 7 N54L	AMD Turion II Neo N54L @ 2.2GHz	12GB	5 x 6TB WD Red+ in RAID-Z1	2 x 16GB SanDisk Cruzer Facet USB 2.0 flash drives in mirror	PowerShield Defender 1200VA. Server is NUT master				Media replication target.
truenas-b2	CORE 12.0-U6	Gen 7 N54L	AMD Turion II Neo N54L @ 2.2GHz	12GB	5 x 4TB WD Red+ in RAID-Z1	2 x 16GB SanDisk Cruzer Facet USB 2.0 flash drives in mirror	PowerShield Defender 1200VA Server is NUT slave				File replication target.
truenas-r	CORE 12.0-U6	Gen 7 N54L	AMD Turion II Neo N54L @ 2.2GHz	10GB	5 x 6TB WD Red+ in RAID-Z1	2 x 16GB SanDisk Cruzer Facet USB 2.0 flash drives in mirror		Plex (Beta)			Off-site backup
truenas-t	CORE 12.0-U6	Gen 7 N40L	AMD Turion II Neo N40L @ 1.5GHz	8GB	4 x 3TB WD Red+ in RAID-Z1	2 x 16GB SanDisk Cruzer Facet USB 2.0 flash drives in mirror					Test server
truenas-s	SCALE 22.02-RC.1	Gen 8	Intel Xeon E3-1220L V2 @ 3.5GHz	16GB	2 x 1TB WD Red in mirror	1 x 32GB Transcend M.2 SSD in a USB 3.1 enclosure				OnlyOffice, Collabora, TrueCommand	Test server

HP MicroServer Wiki | Basil's Tech Diary

Core

FreeNAS User Guide - The FreeNAS Bible
FreeNAS Hardware Guide - Minimum hardware requirements and design guidelines
Uncle Fester's FreeNAS Beginner's Guide
Introduction to ZFS
Some differences between RAIDZ and mirrors, and why we use mirrors for block storage
Picking a ZFS Pool Layout to Optimize Performance
Slideshow explaining VDev, zpool, ZIL and L2ARC for noobs!

Forum

Forum Guidelines - Forum etiquette
Forum Help Page - BB codes can be found here
Terminology and Abbreviations Primer

SMB

ZFS

Other

Configuring UPS Support for Single or Multiple FreeNAS Servers

Please take the time to vote for the return in FreeNAS of the Corral style calendar interface for scheduled tasks.
Your vote is important. Every vote counts!
More information in this IXSystems post on the thread FreeNAS 11.3 Released. You can cast your vote here.

Thank you to everyone who voted here for the return in FreeNAS of the Corral style calendar interface for scheduled tasks.
It has the highest number of votes in Jira and is on the radar to be considered for a future release of TrueNAS.

Do you think that detection of non-server grade components such as the use of non-ECC RAM in TrueNAS is important?
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JOduMonT

Dabbler

Oct 6, 2021

#3

Maybe this answer is outdated and/or I misunderstood the explanation on the FreeNAS website, but I don't see how to export/disconnect/destroy my zpool on my TrueNas Scale

so at the end I did a zpool destroy zpool ;)

Last edited: Oct 6, 2021

sretalla

Powered by Neutrality

Moderator

Oct 6, 2021

#4

You were nearly there...

Aiming to mostly replicate the build from @Stux (with some mods, hopefully around about as good as that link)

4 xSamsung 850 EVO Basic (500GB, 2.5") - - VMs/Jails
1 xASUS Z10PA-D8 (LGA 2011-v3, Intel C612 PCH, ATX) - - Dual socket MoBo
~~2 xWD Green 3D NAND (120GB, 2.5") - - Boot drives (maybe mess around trying out the thread to put swap here too link)~~
1 x Kingston UV400 120GB SSD - boot drive (hit the 3D NAND/TRIM bug with the original WD green selection, failing scrub and showing as corrupted OS files) Decided to go with no mirror and use the config backup script
2 xIntel Xeon E5-2620 v4 (LGA 2011-v3, 2.10GHz) - - 8 core/16 threads per Chip
2 xNoctua NH-U9S (12.50cm)
1 xCorsair HX1200 (1200W) - PSU to support 24 HDD + several SSD and PCI cards
4 xKingston Value RAM (32GB, DDR4-2400, ECC RDIMM 288)
2 xNoctua NF-A8 PWM Premium 80mm PC Computer Case Fan
~~3 xNoctua NF-F12 PWM Cooling Fan~~
3 xNoctua NF-F12 PPC 3000 PWM (120mm) * having noted later in Stux's thread that 1500 RPM is not sufficient to cool the HDDs. Corsair Commander Pro to control the fans (see script and code)
1 xNORCO 4U Rack Mount 24 x Hot-Swappable SATA/SAS 6G Drive Bays Server Rack mount RPC-4224
6 xCableCreation Internal Mini SAS HD Cable, Mini SAS SFF-8643 to Mini SAS 36Pin SFF-8087 Cable
1 xLSI Logic Controller Card 05-25699-00 9305-24i 24-Port SAS 12Gb/s PCI-Express 3.0 Host Bus Adapter
TrueNAS Core 13.0-U6.1
Use existing Drives 8 x10TB WD Red, 8 x4TB WD Purple, + a mix of WD Purple and shucked WD Elements 12TB x 8

ESXi-pfSense-TrueNAS-Docker host

CASE: Fractal Node 804
MB: ASUS x-99M WS
CPU: Xeon E5-2620v4 + Corsair H60 Cooler block
RAM: CRUCIAL 64GB DDR4-2133 ECC RDIMMs
HDD: WD RED 3TBx8
SSD: 4 xSamsung 850 EVO Basic (500GB, 2.5") - - VMs/Jails
HBA: LSI 9300-16i
OS: 1 x Kingston UV400 120GB SSD - boot drive
PSU: Corsair RM1000
Version: TrueNAS CORE 13.0 -U6.1
FANS: 3xFractal R3 120mm - 3 Front, 1 Rear. Corsair Commander Pro to control the fans (see script and code)
CPU FAN: 1xCorsair H60 CPU Radiator - Front
NIC: Intel EXPI9402PTBLK Pro, Dual-Gigabit Adapter (plus the 2 onboard Intel NICs, 1x 210, 1x 218)

VM/Docker host, using ESXi and running pfSense alongside FreeNAS (separate Dual Intel NIC added, dedicated to the pfSense VM)

Other Systems

TrueNAS CORE test system:

CASE: Old Silverstone HTPC case
MB: ASUS x-99M WS
CPU: Xeon E5-2620v4 + Corsair H60 Cooler block
RAM: CRUCIAL 32GB DDR4-2133 ECC RDIMMs
HDD: WD RED 8TBx3
OS: 1 x Kingston UV400 120GB SSD - boot drive
PSU: Corsair RM1000
Version: TrueNAS CORE 13.0-U6.1

SCALE Cluster:

2x Intel NUCs running TrueNAS SCALE 24.04-BETA1
64GB RAM
10th Generation Intel i7
Samsung NVME SSD 1TB, QVO SSD 1TB
Boot from Samsung Portable T7 SSD USBC

CASE: Fractal Define 7 running TrueNAS SCALE 24.04-BETA1
MB: ASUS P10S-I Series
RAM: 32 GB
CPU: Intel(R) Xeon(R) CPU E3-1240L v5 @ 2.10GHz
HDD: 3 WD REDs and a few SSDs
PSU: Fractal ION 2+ 650W

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csearle

Contributor

Oct 6, 2021

#5

Thank you I eventually figured it out...

Important Announcement for the TrueNAS Community.

How Do I delete delete existing data, pools and datasets

csearle

Contributor

Basil Hendroff

Wizard

JOduMonT

Dabbler

sretalla

Powered by Neutrality

csearle

Contributor

Similar threads

Important Announcement for the TrueNAS Community.

How Do I delete delete existing data, pools and datasets

csearle

Contributor

Basil Hendroff

Wizard

JOduMonT

Dabbler

sretalla

Powered by Neutrality

csearle

Contributor

Important Announcement for the TrueNAS Community.

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