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| booting ISOs is very slow |
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Posted by: regn - 09-07-2021, 09:01 AM - Forum: Ventoy Discussion Forum
- Replies (6)
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i use ventoy to boot an acrons true image (2010) rescue system.
compared to the cd, it takes 3-4 times longer!
actually i expected ventoy to be much faster: The cdrom in the laptop is 24x = 3,6 MB/s
The stick, of course on an USB-2 port is checked with h2testw, it reads 14,5 MB/s
if i copy a file with windows from the stick, i get around 15 MB/s
what is the reason why ventoy boots the iso so slow?
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| .ventoyignore doesn't work |
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Posted by: cruise8 - 08-26-2021, 07:57 PM - Forum: Ventoy Discussion Forum
- Replies (2)
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I want to use portable apps those have many sub-directories.
So I put those in .ventoyignore like FAQ answer.
But it still have 'Ventoy scanning files, please wait...'
Please solve this problem or let me know how to ignore the sub-directories.
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Booting Windows VHD with custom boot flags |
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Posted by: DavidSpivey - 08-25-2021, 01:18 AM - Forum: Ventoy Plugin Forum
- Replies (7)
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I have a driver I need on my Windows to Go on VHD instance that is not signed. In order for me to use it, I need to enable testsigning, which is an option in the BCD. ventoy_vhdboot.img inlcudes a BCD file that I assume I need to modify in order to add the testsigning option. However, when I use bcdedit to change the BCD, it tells me it can't find the file (This is from an administrator prompt). It can read the BCD but not edit it.
Code: C:\WINDOWS\system32>bcdedit /store G:\ventoy\BCD
Windows Boot Manager
--------------------
identifier {bootmgr}
device unknown
description Windows Boot Manager
locale en-us
inherit {globalsettings}
default {default}
resumeobject {5f7bf00c-9ab2-11eb-9a06-001a7dda7113}
displayorder {default}
toolsdisplayorder {memdiag}
timeout 30
Windows Boot Loader
-------------------
identifier {default}
device locate=\Windows\system32\winload.exe
path \Windows\system32\winload.exe
description Boot from VHD
locale zh-CN
inherit {bootloadersettings}
allowedinmemorysettings 0x15000075
osdevice locate=\Windows\system32\winload.exe
systemroot \Windows
resumeobject {5f7bf00c-9ab2-11eb-9a06-001a7dda7113}
nx OptIn
custom:26000027 Yes
C:\WINDOWS\system32>bcdedit /store G:\ventoy\BCD /set TESTSIGNING ON
An error occurred while attempting to reference the specified entry.
The system cannot find the file specified.
I managed to use Visual BCD Editor to modify the BCD to add AllowPrereleaseSignatures to the BCD "Boot from VHD" option. However, I now cannot insert the BCD in the ventoy_vhdboot.img file.
I have tried 7-zip and WinImage to add the BCD back to the image, but the errors say either the operation is not supported or the file is full. What program do I need to be using to modify the img?
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