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 Forum index » House Training » Users ( For the regulars )
Grub4dos problem
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WoodLark


Joined: 17 Apr 2007
Posts: 131
Location: South Carolina, USA

PostPosted: Fri 22 Mar 2019, 18:14    Post subject:  

foxpup is right /dev/sda11 is formatted ext4, 64 bit.

fredx181, I will take a look at the link you posted.
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foxpup


Joined: 29 Jul 2016
Posts: 962
Location: europa near northsea

PostPosted: Sat 23 Mar 2019, 06:37    Post subject:  

fredx181 wrote:
Sure, if you chose to format the partition during install.
Do these linuxes give you a choice? Rolling Eyes
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fredx181


Joined: 11 Dec 2013
Posts: 4160
Location: holland

PostPosted: Sat 23 Mar 2019, 07:35    Post subject:  

foxpup wrote:
fredx181 wrote:
Sure, if you chose to format the partition during install.
Do these linuxes give you a choice? Rolling Eyes


Yes, they do AFAIK (well, maybe some exceptions) if you choose "manual" partition option during install, you can choose yes or no to format the partition.
So, if you plan to install such a new Linux distro and want to boot it using grub4dos, better prepare first by formatting the partition from Puppy or from older Linux.

Fred

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mikeslr


Joined: 16 Jun 2008
Posts: 3486
Location: 500 seconds from Sol

PostPosted: Sat 23 Mar 2019, 10:06    Post subject:  

foxpup wrote:
fredx181 wrote:
Sure, if you chose to format the partition during install.
Do these linuxes give you a choice? Rolling Eyes


I have Mx17 on my laptop. IIRC, I chose "Custom Install". Then when I had the opportunity, I had Mx17 format the partition on which it was to be install as Linux Ext 3. Grub4dos doesn't have a problem with that format.
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foxpup


Joined: 29 Jul 2016
Posts: 962
Location: europa near northsea

PostPosted: Sat 23 Mar 2019, 12:49    Post subject:  

@WoodLark

If you do not want to remove the 64bit capability of the MX partition, suggestion from fredx181, you can try some other things to boot MX from grub4dos:

- You can try if the grub2 efi binary on sda can be chainloaded from grub4dos. My guess is that this will not work, but I am not sure.

- You can copy kernel en initrd from MX to another partition that is not ext4 64bit.
If the uuid of this partition is blablabla en you copy /boot/ on sda11 with kernel en initrd to that partition,
the entry in menu.lst would be something like this:
Code:
title MX 17 Horizon (blablabla/boot sda11)
  uuid blablabla
  kernel /boot/vmlinuz-4.15.0-1-amd64 root=UUID=7f7ce203-070f-4ea5-a001-66fa8e547287 ro
  initrd /boot/initrd.img-4.15.0-1-amd64


- You translate and transfer your menu.lst to grub.cfg on the boot partition for MX and use EFI boot from grub2 all the time.

- You could also use rEFInd. It is EFI boot, but I think it will also look for and handle legacy boot.

However, I would prefer the solution that fredx181 referenced. Fastest and (most) sure to work.
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bigpup


Joined: 11 Oct 2009
Posts: 12859
Location: S.C. USA

PostPosted: Sat 23 Mar 2019, 13:04    Post subject:  

Why are you using MX-17?

We are Puppy!
Resistance is futile!

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WoodLark


Joined: 17 Apr 2007
Posts: 131
Location: South Carolina, USA

PostPosted: Sat 23 Mar 2019, 16:36    Post subject:  

bigpup wrote:
Why are you using MX-17?

We are Puppy!
Resistance is futile!


That is a whole other subject and a long story Smile

I have a couple websites that I manage that are written in a CMS called typesetter. I prefer to edit them locally rather than at the hosting service.

I have tried editing them with 5 different puppies, bu there is some difference in php in puppy that prevents the websites from running. The php versions and php.ini files are the same. They will run with the php version installed in MX.

I have found a (temporary) workaround. I can run Antix in vmware inside puppy and can edit the websites that way.

I did warn you it was a long story!

I will continue to research the php issue because I really do prefer puppy. I've been using it since the 3.xx series.
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mikeslr


Joined: 16 Jun 2008
Posts: 3486
Location: 500 seconds from Sol

PostPosted: Sat 23 Mar 2019, 18:00    Post subject: Do you need Lixux Ext4 -64 bit? Running a Server? or What?  

Ext3 : Maximum individual file size can be from 16 GiB to 2 TiB.
Overall ext3 file system size can be from 2 TiB to 32 TiB.
32’000 subdirectories per directory.

Ext4 Maximum individual file size can be from 16 GiB to 16 TiB.
Overall maximum ext4 file system size is 1 EiB (exabyte). = 1’024 PiB (petabyte) = 1’048’576 TB (terabyte).
64’000 subdirectories per directory.
http://www.pointsoftware.ch/en/4-ext4-vs-ext3-filesystem-and-why-delayed-allocation-is-bad/

ext2/3/4 hold inode numbers in a 32-bit on-disk structure, so ... maximum possible number of inodes on an ext2/3/4 filesystem is 2^32, or about 4 billion.

File systems which use "64-bit structures for this sort of thing... can in theory go to 2^64 inodes. But with a minimum inode size of 256 bytes, that would mean 4096 Exabytes of disk space for the inodes alone. In reality, theoretical/design limits such as this are not usually attainable (or advisable) in practice." https://www.quora.com/What-is-the-maximum-number-of-inodes-in-Linux-filesystems-I-found-suggestion-that-for-Ext4-it-is-4-billion-files-32-bit-number-Is-it-true-for-XFS-and-or-BtrFS

HOWEVER, 16T is the recommended max volume size for ext4 anyway..because the Ext4 64-bit mode caused problems with boot loaders. https://unix.stackexchange.com/questions/388432/what-does-this-mkfs-ext4-operand-mean
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