SIP is even worse than I ever imagined. All I want to do is disable it. I can't. Period. The problem is that I already have RAID drives in use on my Mac Mini server and you NEED a recovery partition in order to disable SIP with "csrutil". You
cannot have a recovery partition on a RAID drive. Someone told me just get a USB stick and create a recovery partition on it and use it as the recovery drive and all will be good. There's a MAJOR PROBLEM with that suggestion. There is NO WAY TO CREATE A RECOVERY PARTITION without already having a recovery partition! (Makes logical sense, right?)
Recovery Disk Assistant REQUIRES you ALREADY HAVE a recovery partition on the drive you booted from! It won't magically create one from scratch (same is true of Carbon Copy Cloner). Recovery Partition Creator (V3.8) can supposedly create one from the installation file (6+ GB), but when you try to run it under 10.11.1 it craps out and says it's not supported in this version of OS X. So I tried creating a recovery partition from my Macbook Pro running Mavericks using Recovery Disk Assistant. It's annoying because you have to partition it yourself ahead of time or it will use your entire USB stick for a tiny (760MB) recovery partition. This will might come back later to haunt you again. So I created a 3 Partition setup on a 16GB drive thinking I will create a USB stick that has Boot Installers for Mavericks and El Capitan plus a Recovery Partition. OK, I use Recovery Disk Assistant and it puts a recovery partition on the 1GB partition and that partition disappears. I then booted into my backup drive that still has Mavericks on it for my Mac Mini and downloaded the Mavericks install files (despite a 30Mbps connection, it took almost 3 hours due to slow Apple servers). I then used Diskmaker 5 to create a bootable install partition on one of the two remaining partitions on the USB stick and once I download El Capitan I would do the same for the other partition. Here comes the next problem.
I reboot into the Recovery Partition I created earlier. Can you guess why it isn't helpful? If you guessed that a Mavericks Recovery Partition CANNOT run CSRUTIL you win a prize! I can easily get to the Csrutil file on my El Capitan drive from the recovery shell, but it says "Operation not supported" when I try to run it. Apparently, you have to be running an El Capitan Recovery drive in order to run that file. Well, I don't have an El Capitan recovery drive ANYWHERE because I upgraded from Mavericks to El Capitan on a system using RAID 0. This never used to be an issue because you don't NEED a "Recovery Drive" in years past as long as you have a bootable backup! (I can also restore off the Internet if I really got in a mess). But along comes El CRAPitan and creates a need for a recovery drive OTHER than actually recovering something! They could have just had a reboot switch with a separate password or something to do it automatically with a recovery partition intervention, but no no no. Apple has to make life fracking miserable. They could have made Recovery Disk Assistant create a recovery drive from scratch for you. No no no. They want you to already have a recovery partiition in order to create a new one! Well, if I ALREADY HAD one, I wouldn't need to create one!!!!!!!!@@$@#@@$!!!!
So this leaves me with a couple of lousy options. One is wait for Recovery Partition Creator to update (if it updates) to handle El Capitan 10.11.1 and try to create a recovery partition from the install files. Two, ONLY BECAUSE I also own a Macbook Pro that can be updated to El Capitan, I can go ahead and update it (even if I don't want it) and since it DOES have a recovery partition, that partition will get updated to an El Capitan version and then I can use Recovery Disk Assistant all over again on that USB stick to create an El Capitan recovery partition that I can then take over to use with my Mac Mini! I will have to wipe the USB stick and make the Mavericks boot partition all over again because that's the only way that program works (i.e. once it disappears, it doesn't come back to update). Then, if I want Mavericks back on the Macbook Pro, I then have to restore from its backup drive using Carbon Copy Cloner. WOW! That's a LOT of work to create a stinking recovery partition on a freaking USB stick so I can turn off SIP and use my software that El Capitan disabled that needed it (e.g. XtraFinder and NFS with the -N option).
It's utterly ridiculous is what it is. They should have given you the option of disabling SIP during the update install at the very least or better yet put the damn switch to disable it somewhere that doesn't require a damn recovery partition to run it, knowing full well that RAID users will be screwed by it!
I have this with App Store.
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Not sure if it's the same error or not, but it definitely wasn't around before 10.11.1. (As evidenced by the fact I managed to update to 10.11.1.)
Just try again. My Mavericks Macbook Pro gave the same error. It means too damn many people are trying to access the App Store at once. I clicked on it again and it came up fine.