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zbest56

macrumors newbie
Original poster
Aug 3, 2013
16
0
Hello,
Ever since upgrading to yosemite on my MBP when it came out, I have had an ungodly annoying glitch. Basically at random points, my hard drive essentially becomes read only. Most applications work fine, but others simply do not. Google chrome will give me the aw snap error on every page, and i am unable to delete or move files. If I try downloading a file from safari, it says I simply don't have enough disk space, even though I have a 1TB hard drive, and I'm barely using 25gb(I'm on a fresh install atm). I have reinstalled more times than i can count, and because of software requirements(Im a music producer), I need to keep my OS somewhat updated. I have tried repairing disk permissions, and repairing the disk through disk utility, the HDD I have is relatively new, I replaced it after a failure last year, but that wouldn't have anything to do with it since mavericks works fine. Any help on this issue would be much appreciated.
Thanks!
zbest56
 

Taz Mangus

macrumors 604
Mar 10, 2011
7,815
3,504
Hello,
Ever since upgrading to yosemite on my MBP when it came out, I have had an ungodly annoying glitch. Basically at random points, my hard drive essentially becomes read only. Most applications work fine, but others simply do not. Google chrome will give me the aw snap error on every page, and i am unable to delete or move files. If I try downloading a file from safari, it says I simply don't have enough disk space, even though I have a 1TB hard drive, and I'm barely using 25gb(I'm on a fresh install atm). I have reinstalled more times than i can count, and because of software requirements(Im a music producer), I need to keep my OS somewhat updated. I have tried repairing disk permissions, and repairing the disk through disk utility, the HDD I have is relatively new, I replaced it after a failure last year, but that wouldn't have anything to do with it since mavericks works fine. Any help on this issue would be much appreciated.
Thanks!
zbest56

Boot into safe mode (hold down the shift-key while booting) and see if you experience the same issues.
 

Rohirm

macrumors member
Aug 25, 2010
48
39
Check the hard drive SMART status if it has any errors which causes it to go read only.
 

simonsi

Contributor
Jan 3, 2014
4,851
735
Auckland
I had this a couple of weeks ago, caused by the SATA cable. DriveDX reported errors. 10min fix to change it.
 
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