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#1 2019-09-08 21:58:58

cDavid
Member
Registered: 2019-09-08
Posts: 4

Dual Boot Win10/Arch (Understanding EFI) and Partition tables.

I am currently trying to install Arch on top of windows on a ASUS laptop.
My current partition scheme without creating is as follows:
/dev/sda1    260M EFI
/dev/sda2    16MB Reserve
/dev/sda3    514G Microsoft Data
/dev/sda4    500 Windows recovery environment

I bricked my laptop 3 times in last two days attempting to understand and create MBR with MBR method on wiki creating only two additional partitions with SWAP and BOOT(that contains home ect)

Proposed scheme
/dev/sda5    10GB swap
/dev/sda6    500MB EFI partition
/dev/sda7    root partition
/dev/sda8    home partition, etc.

What is your suggestion for creating the rest of the partitions for a EFI setup? Do i need a secondary linux EFI partition or will everything be loaded to the /dev/sda1 partition(windows) to recognize the dual boot scenario?
   
Thank you!

EDIT: if anyone has any type of general suggestions or guides please share them.
I've attempted to seek help from friends and forums on dual booting and tried a couple in addition to reading arch wiki and every time i seem to brick my laptop.
I was recommended to use the EFI methodologies to perform this install and im getting desperate to get anything to work in dual boot mode for school / personal experimentation.

Last edited by cDavid (2019-09-08 22:06:23)

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#2 2019-09-08 22:47:32

loqs
Member
Registered: 2014-03-06
Posts: 8,779

Re: Dual Boot Win10/Arch (Understanding EFI) and Partition tables.

Welcome to the arch linux forums cDavid.  What do you mean by brick the laptop?
What bootloader was used during the previous attempts?
Two ESPs on the same device may well confuse the firmware.

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#3 2019-09-08 23:53:57

cDavid
Member
Registered: 2019-09-08
Posts: 4

Re: Dual Boot Win10/Arch (Understanding EFI) and Partition tables.

Thank you!
By bricked when launching the MBR through grub 2.04 and loading in the kernel manually, after installing drivers i wasn't able to launch linux.
I have restarted the install process by formatting and reinstalling windows, and then launching linux config through usb.
But and am trying to research a partition scheme for dual booting, my primary concern is this partition layout that i have mentioned above.

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#4 2019-09-09 00:01:01

loqs
Member
Registered: 2014-03-06
Posts: 8,779

Re: Dual Boot Win10/Arch (Understanding EFI) and Partition tables.

Was the disk MBR when it just had Windows installed on it?  I would have expected it to be GPT.
What is the output of `fdisk -l`.  See the tip box from Pastebin_clients to post from the arch installation media to a pastebin.

Last edited by loqs (2019-09-09 00:01:19)

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#5 2019-09-09 00:45:15

cDavid
Member
Registered: 2019-09-08
Posts: 4

Re: Dual Boot Win10/Arch (Understanding EFI) and Partition tables.

I was using the MBR method because virtual machine booted in this method, when i tried to follow the process on my laptop i realized it wasn't functioning the same way.
Here is the output
https://gyazo.com/d1f9f960d18ce9a6be82fb5113b22d33

On laptop it is Disklabel type: gpt

Last edited by cDavid (2019-09-09 01:11:29)

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#6 2019-09-09 01:21:44

loqs
Member
Registered: 2014-03-06
Posts: 8,779

Re: Dual Boot Win10/Arch (Understanding EFI) and Partition tables.

image converted by tesseract OCR

rootgarchiso / # fdisk -1
Disk /dev/sda: 931.%3 GiB 1000204386016 bytes, 19838281 sectors
Disk model: HGST HTS721010A9
Units: sectors of 1 @ 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 83DA13FB-A227-49DE-80C1-6196B9FB27C2

Device          Start        End    Sectors   Size Type
/dev/sda1        2048     543527     532480   260M EFI System
/dev/sda2      534528     567295      32768    16M Microsoft reserved
/dev/sda3      567296 1133301759 1132734464 540.1G Microsoft basic data
/dev/sda4  1952501760 1953523711    1021952   499M Windows recovery environment
/dev/sda5  1133301760 1154273279   20971520    10G Linux Swap
/dev/sda6  1154273280 1952501759  798228480 380.6G Linux filesystem

Partition table entries are not in disk order.



Disk /dev/sdb: 29.26 GiB, 31406948352 bytes, 61341696 sectors
Disk model: Cruzer Blade
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: Ox42fcc081

Device    Boot     Start     End  Sectors  Size Id Type
/dev/sdbl *        2048  61341695 61339648 29.36 c W95 FAT32 (LBA)

Disk /dev/loop0s 502.41 MiB, 526807040 bytes, 1028920 sectors
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
root@archiso / #

I directed you to use a pastebin to avoid posting an image of text
As the device is partitoned as GPT installing a bootloader in the MBR failed.

Last edited by loqs (2019-09-09 01:26:14)

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#7 2019-09-09 01:42:15

cDavid
Member
Registered: 2019-09-08
Posts: 4

Re: Dual Boot Win10/Arch (Understanding EFI) and Partition tables.

I oppologize for incorrect formatting.
fdisk -l | curl -F c=@- https://sprunge.us resulted in error: (35) openSSL SSL_connection: SSL_ERROR_SYSCALL in connection to sprunge.us:443.
Following the https://wiki.archlinux.org/index.php/Pa … le_layouts it seems like my partition that you posted above should be good to go in addition to creating a home directory
i'm going to attempt the install from the beginning once more.

Last edited by cDavid (2019-09-09 01:44:19)

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