MacBook Pro :: Won't Sleep - Hard Drive Activity

Oct 9, 2009

I have a new 17" MBP and recently it stopped going to sleep on its own. I can force it to sleep my apple menu or shutting the lid. I have tried everything I can think of... all programs closed, nothing running (to my knowledge) and in activity monitor it shows the disk activity writting every 20 seconds or so... my only conclusion is that it's not letting the HD become inactive long enough to send to sleep... can someone please help me with this?

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Nov 22, 2009

I noticed lately that my Macbook Pro (late 2008) can get pretty slow because of hard drive activity. Strange this is, there seems to be quite a lot of activity from time to time even when I'm doing next to nothing (but surfing and mailing). how I can diagnose/fix this? Or do I need more memory (got 2gb).

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MacBook Pro :: System Hangs With Colossal Hard Drive Activity

Jan 12, 2011

Been having a problem with my MBP recently, it's the 2008 model btw. This happens like 3 or 4 times a day it usually starts with me trying to change spaces and nothing happening, and the dock won't pop up when I mouse over the bottom. After doing this for say 30 seconds or so the active app will freeze too. I'll still be able to move my mouse it becomes unresponsive. iStat menus tells me that the hard drive is reading and writing at like 5 or 6 Mbps, and the the dock is taking up 200 or Mbs of memory. all the while nothing is happening. after a minute or two it come back slowly like I'll be able to scroll very jumpily for a bit and then the dock'll pop up and I'll whizz round the spaces I keyed in etc.

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OS X :: Any Application To Display Hard Drive Activity

Mar 8, 2008

I tried search and did not find anything. So, is there an application we can run that would show hard drive activity?

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Nov 16, 2009

I am getting HD noise like every 20 seconds. Even with no activity. Per the suggestions of another user, I typed this in terminal: iostat -w 1 disk0
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Jul 1, 2012

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Info:
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Mar 19, 2008

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Sep 6, 2009

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May 5, 2010

My computer (MBP 5,5) makes this sound several times throughout a day of use. It sounds exactly like the little "click" sound the computer makes, when i close the lid and have it go into sleep mode. I guess it's the hard drive going to sleep sound? If i'm right, i really don't understand why the hard drive goes to sleep at these random times. I've disabled that in System Preferences - at least i think so. It's this option, right?: [URL] Also, my MBP is always (only use it as a desktop with an external monitor connected to it) on a mStand on my table, so it can't be the Sudden Motion Sensor either.

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Oct 3, 2010

Lately I've noticed that whenever I put my Mac to sleep, I lose a few megabytes. At first I didn't think anything about it. Until one day I let sleep for a while I was doing something, and came back to, and saw that I had lost about 300 megabytes. While it was in sleep, no applications were running and nothing was downloading. My mac is Macbook pro, 3 years old, 120 gigabyte, 2 gb of ram, 2.33 Ghz Intel Core duo, Model Identifier: 2,2, and Serial Number:W86481HGW0H Right now it's running leopard. I'm about to upgrade to Snow Leopard. So why would it lose this hard drive space when it's in sleep mode? By the way, I bought it used one year ago. So I've only had it a year. I haven't downloaded anything from any untrustworthy websites. I only download things from trusted sources(i.e. itunes.) Please help. Right now my only solution is to keep a close eye on it, and make sure that it does not go to sleep!

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Jun 22, 2012

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Info:
PowerMac G5, Mac OS X (10.4.4), & PowerBook (10.3.9)

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Feb 12, 2012

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Info:iMac, Mac OS X (10.7.3)

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Jun 13, 2012

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Apr 20, 2009

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Specially if it's a famous brand.. like WD or anything along those lines.. since I'm looking to upgrade my external HDD i figured it's a good to know.. otherwise i'm going to just upgrade to the 1tb Lacie.. I'm considering the 1tb "My Book" because even thou I read that the 500gb had a lot of issues apparently the 1tb one is a lot better.. has anyone has had this drive? Any issues?

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Dec 12, 2008

I will try to be a little more clear in describing this one: I use a 500GB USB Hard Drive for storing Music, Videos, Photos, etc. I have my entire library for iTunes, iPhoto in there. Here's the problem. When I mount the drive to use it, it works fine. If I stop iTunes for 5 minutes or so and then try to open up another file from the drive I can hear the hard drive start to spin inside the enclosure, but it just hangs, forcing me to unplug it from the USB port, giving me the fail to eject warning message. When I re-mount it again it works fine, but I imagine doing this is damaging to the files and folders. Anybody else had this problem? Is there any way to adjust how much time of inactivity will cause the drive to sleep?

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Mar 16, 2012

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Info:
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Sep 18, 2007

The last couple of times I have woken my MBP up a box has popped up with a big red sign in the middle saying my external hard drive was removed unexpectedly and could have caused loss of data. I know this is not healthy and I would like to stop it doing this as soon as possible. It is connected via firewire 800 and is a western digital 250 gig my book pro if that makes any difference. I close the lid of my laptop with it still on and connected and everything is supposed to sleep. It used to work fine, I would open the lid and everything would wake up and I could do what I was doing before with no error messages and the hard drive would still be mounted on the desktop.

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May 29, 2008

I'm on an early 2008 mac pro - used to be on a Powerbook G4. I have a 300 GB LaCie d2 Extreme external HD connected via firewire 800. Both are in 10.5.2. While on my powerbook, the drive behaved normally - fell asleep after no use, then awakened when I needed to access something. On my new mac pro, the drive behaves strangely. I only use it for backup, so it's only accessed once a day. The rest of the time I do not use it. When it's not in use, the drive sporadically wakes and sleeps. I've tried to pinpoint the cause to no avail.

I've tried all the usual suspects: browsing the forums, checking the "hard disk sleep" preference in energy saver, switching the firewire 800 cable with usb and firewire 400, watching activity monitor to see if there's a program accessing the drive (haven't found anything, but that doesn't mean it's not there). None of it works.

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Hardware :: The Hard Drive All The Time Going To Sleep After Minute Or Two?

Oct 3, 2009

I've bought 8 months ago external hard drive Seagate FreeAgent 1TB (USB 2.0 7200 RPM 32MB cache), till last week disk was plugged in to pc and everything was great. Now its plugged to mac and the problem is, the hard drive all the time going to sleep after minute or two. I've turned off sleeping disk in system pref., also i used command sudo pmset -a disk sleep 0. App from seagate is a piece of **** I've made full format from ntfs to mac hfs. Nothing helped! Is there any solution to resolve my problem?

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Oct 6, 2009

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Jun 4, 2010

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Dec 28, 2008

I have a 2008 Mac Pro with the original OSX drive and then two other hard drives, one I use for Boot Camp/Fusion and the other for my work files. Under Energy Save in system preferences, I have it so that the drives will sleep whenever possible. The issue I'm having is one of the drives, I think the one with my work files, will wake from sleep every 15 minutes or so even if I'm not accessing any of the files. I haven't timed it exactly but it's around 15-20 minutes and happens throughout the day. What is causing the drive to wake? I disabled iStat Pro because before the drives would spin every time I checked my dashboard so that's not the problem anymore.

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Aug 21, 2009

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OS X :: System Freezes Up While Update / Hard Drive Disapears After Sleep?

Dec 20, 2009

So, I just had the original 300 GB hard drive fail in my aluminum 24" inch Mac running the latest update of Leopard. I wasn't able to save it using diskwarrior (diskwarrior said it was some sort of mechanical failure) but I was able to recover most of the data from it by booting from an external hard-drive.

So I went out and purchased a brand new Western Digital Caviar Black 1TB drive. The install went fine, it found the drive partitioned it and installed Leopard successful. Then is crashed and disappeared when I left it alone to run all the software updates. I came back and the computer was stuck on "Restart Required" after downloading all the updates.

I went to hit restart now, and the system just hanged, wouldn't do anything. So I hard powered down the system and restarted it. It came up with nothing, just stuck on the White Screen of Death. So I plugged the external drive back in and booted from it. Mac OSX couldn't find the drive and diskwarrior would crash if I tried to run it. I tried to boot up from the OSX start-up disk and it couldn't find the drive either.

So I took the case apart and made sure all the connections were solid and the drive was mounted correctly. Everything looked fine so I plugged it in and it started up fine. Finished the updates and the iMac ran great. So I thought maybe it was overheating, so I've installed smcfancontrol and started to monitor the temp of the drive. I also took the mac apart again and sucked out any dust in the fans or vents. The drive never goes over a 105 F, so it doesn't seem to be overheating.

However, this is where the problem is consistent: everytime the iMac goes into sleep mode, it crashes and the iMac is unable to find the hard-drive again. Unless I unplug it completely for 5 minutes or so. Once I unplug it, it finds the drive and operates like a champ.

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May 21, 2012

I have Snow Leopard (10.6.8) installed on a solid state drive (SSD).  I'm wondering how I can check whether my internal hard drive is spinning or asleep. Is there a diagnostic to test whether a hard drive is spinning? 

Info:
iMac (27-inch Mid 2010), Mac OS X (10.6.8), 12 GB RAM

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IMac (Intel) :: Why Does Hard Drive Keep Spinning Up When In Sleep Mode

Jun 19, 2014

When my iMac 27" is in sleep mode I have noticed that the hard drive spins up very regularly every 4 or 5 minutes. Also when placed in sleep, the monitor takes about 30 seconds to go black. It also wakes on its own for no apparent reason. No new software has been added, only normal updates, running Lion. Time machine backup is done every couple weeks.

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IMac :: Computer Crashes And Loses Hard Drive When Goes Into Sleep Mode?

Dec 21, 2009

I just had the original 300 GB hard drive fail in my aluminum 24" inch iMac running the latest update of Leopard. I wasn't able to save it using diskwarrior (diskwarrior said it was some sort of mechanical failure) but I was able to recover most of the data from it by booting from an external hard-drive.

So I went out and purchased a brand new Western Digital Caviar Black 1TB drive. The install went fine, it found the drive partitioned it and installed Leopard successful. Then is crashed and disappeared when I left it alone to run all the software updates. I came back and the computer was stuck on "Restart Required" after downloading all the updates. I went to hit restart now, and the system just hanged, wouldn't do anything. So I hard powered down the system and restarted it. It came up with nothing, just stuck on the White Screen of Death. So I plugged the external drive back in and booted from it. Mac OSX couldn't find the drive and diskwarrior would crash if I tried to run it. I tried to boot up from the OSX start-up disk and it couldn't find the drive either.

So I took the case apart and made sure all the connections were solid and the drive was mounted correctly. Everything looked fine so I plugged it in and it started up fine. Finished the updates and the iMac ran great.

So I thought maybe it was overheating, so I've installed smcfancontrol and started to monitor the temp of the drive. I also took the mac apart again and sucked out any dust in the fans or vents. The drive never goes over a 105 F, so it doesn't seem to be overheating.

However, this is where the problem is consistent: everytime the iMac goes into sleep mode, it crashes and the iMac is unable to find the hard-drive again. Unless I unplug it completely for 5 minutes or so. Once I unplug it, it finds the drive and operates like a champ.

I think maybe there's an issue powering the drive back on? Anyone have any ideas?

And my follow up posting later that day:

Quote:

So I ran some tests just to see if was an overheat issue, hard drive malfunction, or sleep issue. I decided to start encoding a video, pulled up Word, Power Point, Excel, started downloading all 6000 mail messages off my server (I never delete my e-mail :-/), also started installing iLife 09, and pulled up a bunch of webpages in Firefox with multiple tabs.

However, I shut off all sleep mode options on the hard drive. I let it run for an hour and came back. Everything is fine, hard drive isn't locked up and smcfancontrol shows the hard drive running pretty hot (115 degrees) but not so hot I'm worried. So it's definitely something to do the hard drives going into sleep mode and not powering back on. It's also weird that I have to leave the computer completely unplugged for 10-15 minutes before the drive is recognized again.

So turning off sleep seems to be my work-around, however, this shouldn't be a long term solution. I'm worried that there is a bigger issue with the iMac, but I'm not sure what would cause this. I've been a PC guy for years, this was my first Mac, and honestly I don't know enough about the inner workings to narrow this down. I would assume this would have to do with the motherboard in some way? But I'm not sure how you would even test it.

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Mac Pro :: Unable To Know About Hard Disk Activity Noise?

May 10, 2009

I usually just turn off my monitor at night but for some reason, the HD constantly makes spinning noise even then the computer hasn't been used for hours ( i don't run time machine ).

Is there any way to tell what process is causing this stupid HD activity? My previous Dell machine was so much more quiet than this POS. I prefer not having to explicitly put the machine the sleep every time.

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