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Messages - robertapengelly

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1
Programming / Re: FAT32 vs FAT16
« on: March 20, 2024, 04:19:27 pm »
Right, not exactly the same images as I originally had but I've attached a zip with two images which should be identical except the partition type, mount them with Virtualbox and run lvmgui in Arca and you should have the same result as me which is it will complaint about the fat16.vhd but not the fat32.vhd.

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Programming / Re: FAT32 vs FAT16
« on: March 20, 2024, 03:52:11 pm »
Yes changing the 0x06 to 0x0C doesn't say that there's a corrupt partition table hence the original question.  Maybe I should have also mentioned that they were two different images so let me reclarify, a image mounted with Virtualbox with the following says the partition table is corrupt in lvmgui

    80 04 01 00 06 03 D1 C4 44 00 00 00 20 00 02 00

Whereas the following is accepted and lvmgui does complain

  80 04 01 00 0C 03 D1 C4 44 00 00 00 20 00 02 00

3
Programming / Re: FAT32 vs FAT16
« on: March 20, 2024, 10:50:35 am »
I appreciate the reply, indeed I'm missing information but it doesn't exactly answer the question as to why lvmgui reports a partitions entry as corrupt if it's FAT16 and not when it's FAT32?

4
Programming / FAT32 vs FAT16
« on: March 19, 2024, 10:59:19 am »
I have two different images where the partition entry are exactly the same except the partition type:

    1) 80 04 01 00 0C 03 D1 C4 44 00 00 00 20 00 02 00
    2) 80 04 01 00 06 03 D1 C4 44 00 00 00 20 00 02 00

Arca (well lvmgui) accepts the first one without issues but says that the second one is corrupt.  Does anyone know why?  Or is it maybe a bug?

5
Programming / Re: Partition alignment
« on: March 18, 2024, 07:26:16 pm »
Never mind the last message, Lars alignment actually seems to fix the partitions.  Thanks for the help guys.

6
Programming / Re: Partition alignment
« on: March 18, 2024, 06:25:11 pm »
Okay new question (still related to alignment), how exactly would I align a sector exactly?  Say I have:

    starting sector: 128
    ending sector: 65536

How exactly would I align that?  Also, would I round up or down?

7
Programming / Re: Partition alignment
« on: March 18, 2024, 06:06:01 pm »
Just realized I messed the last sentance up, it should have said:
I still have some partition problems though so maybe Lars was on to something with the end sector.

8
Programming / Re: Partition alignment
« on: March 18, 2024, 05:54:50 pm »
 > the AOS FAQ you cited is out-of-date

Ohh okay, I was given that link by someone and I thought it was recent.  That would explain why I can create partitions on different CHS values instead of head 1 and sector 1.  I still have some partition problems though so maybe Lars was on to something.

9
Programming / Re: Partition alignment
« on: March 18, 2024, 02:57:05 pm »
What do you mean by (where that product is identical to a cylinder size)?

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Programming / Partition alignment
« on: March 18, 2024, 10:57:54 am »
Looking at the Partition Alignment section at https://www.arcanoae.com/faqwd/how-can-i-tell-if-my-current-disk-drive-is-compatible-with-arcaos/ it says:

 > ArcaOS expects partitions to be CHS-aligned

Does anyone know what it means by CHS-aligned?

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