If this stuff is giving you so much trouble, why don't you just make a bootable usb instead using these instructions from apple: https://support.apple.com/en-au/HT201372
That's actually better than a recovery partition because it contains the full installer (which a recovery partition doesn't).
Try actually reading my posts as it's clear you skim at best or I wouldn't have to repeat myself. I already addressed the bootable installer. I'm making a USB drive with bootable installers for Mavericks and El Capitan AND a recovery partition.
Edit: OK, I see now the Recovery Partition is completely redundant once a bootable USB stick is made (i.e. same difference plus install option). So just downloading the install file and then creating the bootable USB stick would have sufficed on the El Capitan end. At least I can finally disable that awful SIP and XtraFinder is working again. Still having some issues with NFS starting correctly, but I might have mistyped something in the script.
.......
Meanwhile, I've installed El Capitan 10.11.1 to my 2008 MBP (2.4GHz Core2Duo, 512GB 7200RPM Drive, 4GB Ram, NVidia 8600M GT). XBench (for what it's worth today) showed faster hard drive speeds than Mavericks (odd since it's quite a bit lower on my Mac Mini with RAID 0). Quartz numbers are half what they used to be. User Interface scores are absolutely abysmal (same for the Mini on that test; both got around a 19 so maybe the test is now flawed). OpenGL which is as fast or faster on the Mac Mini is less than half what it used to be on the Macbook Pro (same test, same GPU as all previous OS versions so I don't know why it's dropped so much; maybe the NVidia 8600M GT driver is crap under El Capitan?). Other than XBench, it's too soon to tell how well it performs.
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