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The time now is Tue 22 Aug 2017, 03:52
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 Forum index » Advanced Topics » Cutting edge
Another re-write of the "init" script - using OverlayFs?
Moderators: Flash, Ian, JohnMurga
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peebee


Joined: 21 Sep 2008
Posts: 2807
Location: Worcestershire, UK

PostPosted: Tue 08 Aug 2017, 12:01    Post subject:  

gyro wrote:
I've uploaded new versions to http://www.fishprogs.software/puppy/initrd/initrd.gz and http://www.fishprogs.software/puppy/initrd/ydrv_overlay.sfs.
Both need to be downloaded, since the "ydrv_overlay.sfs" contains updated bootspecs utilities.

This 8 August version simply fixes the bugs found by peebee.
gyro

Thanks gyro
Now seems to be working correctly....
PUPSTATE:
Code:
PUPMODE=12
PDEV1='sda3'
DEV1FS='ext4'
PUPSFS='sda3,ext4,/devtest/puppy_LxPupSc_17.08.21.sfs'
PUPSAVE='sda3,ext4,/devtest/LxPupScsave'
PMEDIA='atahd'
#these directories are overlayfs layers in /initrd...
RW_LAYER='/pup_rw'
SAVE_LAYER='/pup_rw'
PUP_LAYER='/pup_ro2'
#The partition that contains the LxPupScsave file is mounted here...
PUP_HOME='/mnt/sda3'
#(in /initrd) ...note, /mnt/home is a link to it.
#this file has extra kernel drivers and firmware...
ZDRV='sda3,ext4,/devtest/zdrv_LxPupSc_17.08.21.sfs'
FDRV='sda3,ext4,/devtest/fdrv_LxPupSc_17.08.21.sfs'
ADRV='sda3,ext4,/devtest/adrv_LxPupSc_17.08.21.sfs'
YDRV='sda3,ext4,/devtest/ydrv_LxPupSc_17.08.21.sfs'
PSUBDIR='/devtest'
PSAVEPART='sda3'
PSAVEDIR='/devtest'
PNOSAVE=''
PUNIONFS='overlay'
BOOT_SPECS:
Code:
PMODE='12'
XTRA_SFS=':min_1.6.0_i386.sfs'

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gyro

Joined: 28 Oct 2008
Posts: 1400
Location: Brisbane, Australia

PostPosted: Wed 09 Aug 2017, 02:34    Post subject:  

peebee wrote:
Now seems to be working correctly....
Great.
Thanks for reporting.
gyro
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gyro

Joined: 28 Oct 2008
Posts: 1400
Location: Brisbane, Australia

PostPosted: Fri 18 Aug 2017, 05:35    Post subject:  

I'm going to be away for a few weeks, so this project will seem stagnant for a while.

From my todo list:

1) Re-do savefile technology as Linux-partition-file technology.
Treat the pseudo-partition as a partition, and specify it as a save partition. Process it when mounting the save partition.
Multiple puppies can store their savefolder in the pseudo-partition, just like a real Linux partition.

2) Re-do sfs handling.
Have 3 lists, ABOVE_SFS, MAIN_SFS, BELOW_SFS.
Default ABOVE_SFS is ":adrv...sfs,:ydrv...sfs".
Default MAIN_SFS is ":puppy...sfs,:fdrv...sfs,:zdrv...sfs"
Default BELOW_SFS is empty. Can be populated with extra sfs's.
Utility for managing these lists, similar to "extra_sfs".
The main point is that you can have as many sfs's in the ABOVE_SFS list as you want, just like the current extra sfs.
And It's easy to use sfs's with non-standard names.

3) Re-do booting from multi-session DVD to include BOOT_SPECS support.

gyro
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