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[RECOVERY]Safestrap 3.75 for unused partitions (/preinstall & /webtop)

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By Mentor.37, Senior Member on 7th February 2015, 02:32 AM
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This version of SafeStrap is based on SafeStrap 3.75 but has a lot of differences with it:

- there is not more the splashscreen during the boot, to enter in Safestrap you have to select BP Tools in the Boot Mode Selection Menu(VolUp&&VolDown+PowerOn)
- has been added a Safe Rom slot that uses the unused partitions:
/preinstall (~ 600mb) for /system
/webtop (~ 1,4gb) for /data
/cache is shared with the Stock Rom slot
- in this version you have 6 slots: the Stock Rom slot, the Safe Rom slot and the four virtual slots
- the Safe Rom slot is faster than any virtual slot and safer than the Stock Rom slot

If you are using the original Safestrap you can simply install this new version over it and you will still have your roms in the virtual slots.
This version of Safestrap works like any other version of Safestrap and you can use the Stock Rom slot and the four virtual slots as you are usually do, the only thing that is a bit complicated is to install an aosp rom in the new Safe Rom slot that i provided in it.


DOWNLOAD AND GUIDE TO USE THE SAFE ROM SLOT


HOW TO POST REQUEST FOR HELP:
  • You have to entirely read this thread, I do NOT answer redundant question.

I do not answer to requests for help in private, I have neither the time nor the interest in doing so.
Any doubts, questions or requests must be posted in this thread in order to answer a single time and help everyone.


XDA:DevDB Information
Safestrap 3.75 for unused partitions (/preinstall & /webtop) , Tool/Utility for the Motorola Droid 4

Contributors
Mentor.37

Version Information
Status: Stable

Created 2015-02-21
Last Updated 2016-01-05
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7th February 2015, 02:32 AM |#2  
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This thread is not about the ramdisks so do not ask about them.
In case of problems you can build the ramdisk as i explained in the main thread.
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11th February 2015, 01:11 PM |#3  
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Super, i wait for some time for someone to make this. I'v tested this with cm12 to safe slot but blank screen. Some progress in this kexec problem ? Also SS revovery splash screen is not so but as turning of device and keys combo pressing.
11th February 2015, 11:59 PM |#4  
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I rechecked everything more and more times but seem to me that everything is ok, for now I do really have not idea on where could be the problem.
13th February 2015, 12:25 PM |#5  
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Solved
Good news, I understood where is the problem with the roms that use a kexec kernel and the problem was not in my modded recovery but in the rom's ramdisk. I'm now running the cm11 in my safe slot.

I will correctly describe how to run a kexec rom in my safestrap version in the next days, for now i'm a bit busy.
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14th February 2015, 08:54 AM |#6  
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Quote:
Originally Posted by Mentor.37

Good news, I understood where is the problem with the roms that use a kexec kernel and the problem was not in my modded recovery but in the rom's ramdisk. I'm now running the cm11 in my safe slot.

I will correctly describe how to run a kexec rom in my safestrap version in the next days, for now i'm a bit busy.


could the partitions be formated fs2fs ?

Regards
14th February 2015, 12:11 PM |#7  
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For now they can be formatted only as you can format the stock rom or any slot in the standard safestrap but should not be difficult add this option in safestrap but i can't ensure you that they will work, as far as i know the aosp roms require an ext3 or ext4 fs for /system and /data.

#Postedit
I have never used safestrap before this my project and for this i did not know it well, now i saw that the f2fs is the fs used for the virtual stlots and yes i can format these partitions as f2fs the first time that the safe slot is selected but for now i'm using the cm11 in this slot with the partitions formatted as ext3 and the rom is really really fast.
16th February 2015, 10:03 PM |#8  
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Final version
I just uploaded the final version in which i also restored the capability to use the virtual slots.

If you are using my previous debug version or if you are using the original safestrap 3.75 you can simply install this new version over them and you will still have your rom in the safe slot or in the virtual slot.
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17th February 2015, 08:21 AM |#9  
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Yes, i know that i told that the previous was the final version but i just uploaded a little update that fixes a problem in the layout of the new safe slot menu.
17th February 2015, 07:05 PM |#10  
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Quote:
Originally Posted by Mentor.37

For now they can be formatted only as you can format the stock rom or any slot in the standard safestrap but should not be difficult add this option in safestrap but i can't ensure you that they will work, as far as i know the aosp roms require an ext3 or ext4 fs for /system and /data.

#Postedit
I have never use safestrap before this my project and for this i did not know it well, now i saw that the f2fs is the fs used for the virtual stlots and yes i can format these partitions as f2fs the first time that the safe slot is selected but for now i'm using the cm11 in this slot with the partitions formatted as ext3 and the rom is really really fast.

I was thinking to add fs2fs support to the kernel and see how it works, like otterx project.

thanks for your work !
regards
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18th February 2015, 08:21 AM |#11  
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Thank you for great work. I'm now trying CM11 in safe slot. Everything looks great, it run very fast compared to cm12. I have one question: How can I edit cm12 ramdisk.img? I've tried "Android Image Kitchen 2.0" with no luck. Thanks for help.
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