2011 KPSS ,Sınav İlanları,Kpss Soruları,Kpss sonuçları,KPSS Deneme sınavları ve KPSS ders notları,atamalar

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Coffee break- does Time Machine restore disk errors?

Coffee break- does Time Machine restore disk errors?

This is my first coffee break in quite a while and before you chide me it's a decaf coffee break at the local Starbucks. It's good to sit in here for a bit and see what moves me. Today is going much better than last night as my MobileTechRoundup buds will no doubt attest. See last night the three of us sat down in our respective time zones to record a new episode of the podcast as we usually do. All three of us record the podcast on our respective MacBook Pros and usually everything goes hunky dory. I'm afraid that wasn't the case last night and my co-hosts are probably not very happy with me right now. Of course, it's not my fault. :)

About halfway through recording our 30 minute show my MBP hung up, I mean it would do some minor things but all running programs were locked up tight. I couldn't even force quit them, they wouldn't go away. This sad state of affairs left us with a worthless half an episode because since the Mac was hung up I couldn't even recover what had recorded to that point. Talk about a wasted session, sorry guys.

I had to power off to recover and when the MacBook Pro went to restart I got the dreaded "three beeps of RAM death" indication and the boot process halted. This set me back a bit as it's the same initial error I got before my hard drive died and was replaced. This didn't seem likely to me since the drive was brand new but there I was. All dressed up and nowhere to take a dead Mac. Ouch.

I finally got the MBP to start up by disconnecting all peripherals and trying again and again until finally it booted up normally. Once I had a working system I installed TechTool Deluxe (TTD) that came with the AppleCare extended warranty I had just received that very day. This is a good diagnostic utility and is the same one used by Genius Paul during my recent visit to the Apple Store. TTD had determined back then that my old drive was failing the tests and Paul had to replace the drive because TTD couldn't repair the errors detected, a sure sign of a bad drive he told me. Last night I ran the full suite of tests expecting the RAM to show errors because that's what the three beeps at boot time means and it couldn't be the hard drive again. To my surprise everything passed the tests with flying colors except the volume structure on the new hard drive. It was flagged with errors and TTD offered to repair them if it could.

I of course told it to feel free to correct the problem although with a sinking feeling in my stomach since this was a drive that was just replaced a week ago. TTD did its thing for a bit and then informed me it had repaired all of the errors in the volume structure, although these errors could be a sign of bad things to come. I have subsequently booted the MBP a few times to see if it would fail and since the disk repair it has worked fine with no further problems. Granted it's been less than a day but so far so good so my fingers are crossed. This situation has me thinking some scary thoughts about Time Machine though. I use it to back up the internal system disk and after Apple replaced my old dead drive they returned the system with just Leopard pre-installed just like a new unit from the factory. The initial boot of the MBP with the new drive gave me the option to restore the Time Machine backup on the external drive used for the backups and I did that. I restored everything, settings, users, data and programs at that time and my MBP came up exactly like it was before the drive was replaced. What I hadn't counted on was finding similar disk errors on this new drive so soon after having it installed so now I am wondering- did Time Machine restore everything including the disk errors? It doesn't seem possible but I have to wonder at this point.

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