Mac Mini :: External HD (for Time Machine) Wakes Up For No Apparent Reason
Apr 12, 2010
I have a Mac Mini with two external WD MyBook's attached. The drive in question, is configured for Time Machine backups every four hours. It should sleep the rest of the time. But every once in a while, it wakes. I just revs up for no reason, then after a short while it goes back to sleep. It can happen when I open a folder, open a file, click a link in the browser or some other seemingly unrelated action.
I tried to untick the "Put the hard disk(s) to sleep when possible" to see if I then at least could get the drive to stay awake instead. This did not change the behavior at all.
Does anybody have a clue what I can do, to get OS X to leave that drive the hell alone, other than Time Machine??
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Nov 24, 2010
ok so i suppose the inevitable had to happen. and so my mac OS X crashed badly within a few days of my getting this new MBP!
i had a short word document open in 1 workspace some firefox tabs in another, and was checking out the movies in my ext HDD (formatted with NTFS).and suddenly i start seeing this multi colored round icon which i guess is the cousin of the windows hourglass. after trying unsuccessfully to force quit, i was forced to hut down using the boot up button. yes, the same procedure that wreaks havoc on the HDD.
- so my questions are - what to do if even force quit doesn't work ? its surprising that it didn't in this case, as i have used ubuntu for almost 3 years and never had the OS crash on me! of course there were a few application crashes but the force quit always worked. and there was the keyboard shortcut - Ctrl+Alt+Del.
- also what is the norm with macs in this regard ? do they crash often and for the flimsiest of reasons as in my case ?
- probably i am not aware of the Mac OS equivalent for the Ctrl+Alt+Del function that almost always works in ubuntu. so is there some key combination that is guaranteed to work in the even that even force quit does not?
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Oct 7, 2009
A few days ago I found that launchd was constantly using around 14% of my CPU (via iStat), which drastically lowered my battery life and caused my CPU to reach 75 degrees Celsius and higher. Initially I thought that SL just needed to do something, so I ignored it. But it has persisted for a few days now, so I decided to do something about it.
I checked the Console and nothing appeared to be repeating itself, so what I did was use MainMenu to perform a batch of system maintenance tasks, and then left my Mac on overnight to see what Console would report. Besides hourly instances of "kernel" running "iCalHelper" and "SubmitDiagInfo", there was nothing else.
However, launchd lowered its CPU usage to about 3%, but it is still constant and my CPU is still at a constant 40-50%. Activity Monitor says the following processes are (constantly) taking only 1-4% of the CPU:
coreservicesd
launchd
mds
WindowServer
disnoted
activitymonitord
...and others
The CPU is reported as 35% User and 20% System. But I am not running anything besides Activity Monitor.
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May 23, 2012
Should I use my Apple Care, or is there a quick fix?
Info:
MacBook Pro
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Jun 28, 2012
My iMac shuts down by itself ocassionally for no apparent reason.It happened overnight last night.Here's the Problem Details report that appeared on restart. [code]
Info:
iMac, Mac OS X (10.7.4)
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Aug 27, 2014
my MacBook Pro keeps crashing.Â
Anonymous UUID:Â Â
BF278BF8-0869-27D0-A095-E98FAAEDED88
Wed Aug 27 14:18:24 2014
panic(cpu 0 caller 0xffffff80250dc24e): Kernel trap at 0xffffff80250c6d91, type 13=general protection, registers:
[Code]....
Info:
MacBook Pro, OS X Mavericks (10.9.1)
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Dec 5, 2014
My iMac ( late 2012, 27", 3.4 GHz i7, 16 GB RAM, 3TB Fusion Drive, OS X 10.10.1 ) has taken to randomly restarting for no reason that I can find. It seems to be mostly when I am not actually doing anything, but, as I say, it's random. It did it five times in about half an hour the other day, then it didn't do it for a day or so, but it just did it again, which prompted me to ask. I have run Tech Tool Pro 7, and everything has passed. I have repaired permissions ( there were lots ). What next?
Info:
iMac, OS X Yosemite (10.10.1)
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May 16, 2010
I have had my MacBook for 3 years and it has run great. Recently I have noticed that my exhaust fan has been hovering around 6000 RPM for no apparent reason. When I took that screen shot I only had Safari Open. Here's the vitals on my Mac..
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Aug 6, 2009
I'm having a hell of a time with my mac. It started out when firefox would crash for no apparent reason, asking to send in an error report and eventually it got to where mac itself would crash, turning the screen dark with a picture in the middle appearing saying "You need to restart your computer. Hold the power button down for 2+ seconds". I've tried a lot, I've repaired permissions using the disk utility, I've reinstalled Java and I even verified the disk using the disk utility which seems to be the problem. It said my mac needed the system to be repaired. Except I've got a big problem: I just moved and I don't have the apple hardware test disc, so I'm stuck. Then, today I tried to use Safari instead of Firefox and even it is crashing. This is really irritating, I thought it was a virus until I downloaded a free antivirus that said it wasn't.
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Jan 25, 2010
I have loved and cherished my MacBook Air for two years now, but last night it went in to a reboot cycle for no apparent reason. Now every time it gets to the apple logo I get the rotating "thinking" ident under the apple logo and it restarts, continually. I did the hardware test (holding down "D".....that was fine.) I also reset the PRAM... so the troubleshooting keystrokes work.
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Jun 27, 2012
The audio on laptop is off for no apparent (muted) reason.
Info:
MacBook Air, iOS 5.1
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May 11, 2012
I have 750GB MacBook Pro and up until the other day I showed 250GB used and 500GB unused. I discovered this because the past two days my computer would just freeze and I couldn't do anything. So I ran the Disc Utility and it found some errors and fixed them. So I'm wondering if the 400GB of lost disc space now has something to do with the computer locking up? I've searched all the folders and added up their size and still come back to 250GB that I can see. So I'm assuming there's something hidden somewhere that's eating up over half my hard disc space?
Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.4)
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Mar 20, 2009
Purchased machine in Dec. 07. All well till Nov. 08. Since then have noticed that it will go into standby then wake up. This happens regularly, sometimes after 1 hour, or 2 hours or a few minutes. Have tried to put it in 'sleep' mode but wakes up just the same. All day and all night. So tried "shut down' and it does it as well. Like a ghost is working it.
Have been in constant touch with APPLE CARE, and they made me get another user (test) and it did not seem to wake up in that user. Went back to my user and problem started again. Spoke with 2 product specialists and one said that it cannot be EYETV, as he had it on his Mac and it was fine. Second specialist said it is EYETV and I should contact Elgato. I did this and was sent a link to 'repair'. Followed the instructions and that did not help. 4 days later, my computer suddenly remained in stand by all day.
I was surprised and relieved. Than it started all over again. I am at my wits end. I can only make it stay shut down if I go to 'shut down' and wait for the screen to go black then turn it off at the power point. I am sure that I should not be doing this, but what else can I do? I will contact APPLE CARE again, but will wait for your reply first. Also, I get a little message saying...Time Machine Error. Unable to complete backup. An error occured while copying files to backup volume.
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Sep 16, 2010
I checked other post and MROOGLE but didn't find an answer to this question. I am interested in purchasing a Mac Mini, but due to the small size of the internal HDD I would have to have an External HDD attached for iTunes Media. Will Time Machine allow me to backup my internal HDD and External HDD to an additional External HDD...?
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Dec 2, 2014
Computer: Mac Mini, 2009 or so, 160 GB HD (about 50 available), Yosemite.
Issue: Set up a separate user and trying to import information from a Mac Book that is having issues. Mac Book was backed up to an external HD via Time Machine
Question: Is it possible to use time machine to transfer some of the information (photos, music, files) from the external hard drive to the Mac Mini? Is it possible to extract the information from the hard drive by connecting it to the Mac Mini without using Time Machine?
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Aug 23, 2010
I was trying to set up my Time Machine to an external hard drive. I didn't continue because it asked to "initialize" the hard drive which I had a lot of important things on.
I have another external hard drive I'd like to use but, my Time Machine has this error code of -43. What is this and how can I use my Time Machine on another external hard drive?
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May 8, 2010
I have Mac mini 2.26 (2009) OS 10.6.3. with apple wireless keyboard and magic mouse. For some time now my mini wakes from sleep for no reason after 20 minutes. I have checked kernel.log and it says that ohc=2 is the reason for wake up. It seems to be bluetooth keyboard or mouse. When I turn off "allow bluetooth devices to wake..." everything seems to be ok. Is there a way to fix this because I would like to be able to wake mini with keyboard.
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Mar 11, 2009
I have an external 500gb drive plugged into my brand new Time Capsule. The 500gb drive basically stores my entire library of music and my iTunes points to this external drive.
Is it possible to have time machine backup all information on the 500gb drive to the time capsule, so encase the external drive takes a dump, I don't loose my entire music library? Maybe time machine is already doing this, I am not sure.
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Jan 11, 2010
As my 160N series Linksys router neither has gigabit ports, usb connector or dual band networking, I am looking for a replacement.
When it comes to Apple routers I am looking at 2 options - either the base station with an external USB drive or get a 1TB capsule with the buildt in drive and worries regarding reliability.
What I like about the Time Capsule is that it is neat to have all in one, takes up less space and only has 1 plug to attach, while Iike the idea that I can just connect a bigger drive later on the base station solution.
1. Will the connected USB drive function just like the internal drive in the Time Capsule for Time Machine use?
2. Will everything be transparent to Snow Leopard?
3. In case of both units with an attached USB drive - can I control who actually can see the drive and access it?
4. Do they support this DNLA thing so that e.g . PS3 can access an attached drive??
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May 2, 2010
I've been using a G4 mini running 10.4.11 for web surfing, email, and document scanning for about 4 years with few issues. Recently, though, it loses its wired ethernet connection when I wake it from sleep. No ethernet device appears in Network Preferences/Network Status, and Network Utility shows the ethernet connection as "inactive". If I disconnect the ethernet cable for a few seconds and then reconnect it, the ethernet connection reappears in Network Preferences, goes "active" in Network Utility, and functions normally.
Once ethernet reappears, I can wiggle, tug, and disconnect/reconnect the cable and maintain the connection. The cable works normally with another computer. So it doesn't seem to be a hardware connection issue. The network has 2 other wired computers attached with no issues (an old homemade PC and a Mac Pro) and several other devices via both wired and wireless connections. So I don't think it is a router or dhcp issue. I don't recall installing any new software, although I install all Apple updates (including iTunes) when they become available.
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Aug 8, 2007
I have an obscure brand USB keyboard that I am trying to use with my Mac Mini, with one problem: after the Mini goes to sleep and wakes up again, the keyboard doesn't work. The solution is to either unplug and replug the keyboard or restart, but both are I think unnecessary hassles.
What I like even more is that the keyboard will wake the Mini (by pressing the spacebar or something), but won't work after that.
I also tried a plain ol' Apple keyboard, which works just fine after sleeping/waking.
Any ideas on what's going wrong, or how to fix it without replugging/restarting? It's just a keyboard, so I don't see why it should pose as any real problem after waking, so buying a new keyboard is not quite what I am looking for. I may end up doing it anyways (a wireless one to go with the wireless MX1000 I am using) but at the moment I don't want to spend money for a new keyboard.
It's a 1.66GHz Core Duo, 512MB RAM, 60GB HD, OS X 10.4.10.
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Mar 22, 2012
I run a new Mac Mini with up to date software. My timemachine backs up to an external HD plugged into a USB port on the mini. It backs up regularly and without any problems. Â
Yesterday I tried to enter time machine to restore some files I have lost. Whenever I select "enter time machine" nothing happens. The disk doesn't mount, the time machine icon doesn't spin, nothing happens. Â
Info:
Mac mini, Mac OS X (10.7.2)
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May 23, 2012
I have lost files kept on an external hard disk but not backed up in Time machine, because of the vast number and size of them. Is there a way to recover them?=
Info:early 2006 mac mini, Mac OS X (10.6.8), 1.5GHz Intel, 1Gb 667MHz DDR2 SDRAM
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Dec 11, 2014
After upgrading to Yosemite my Mac is crashing time to time with no reason
Info:
iMac, Mac OS X (10.7.5), Mid 2011
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Oct 31, 2010
I have a Mac Mini and two mac notebooks that run Snow Leopard. I've been backing these machines up to a 300 GB drive that is now full. Today I brought home a 2TB drive so that I can use Time Machine to backup the desktop Mac Mini. Can I use the same hard drive to use Time Machine for the two notebooks, as well? What about storing other backups on that drive as well? I'm just trying to map the most logical approach to having safe backups.
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Mar 23, 2008
I'm looking for some guidance on setting up a Mini (1.83 CD, 2GB) as a Time Machine server (that I can use to back up my MBP to wirelessly via my network) and I also want to run it as a dedicated bittorrent box. The system I'm replacing is a toshiba laptop running ubuntu with the Azureus webUI. I want some bittorrent client that includes a webUI (hopefully I can just use Azureus here).
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May 27, 2012
how can i restore my mini mac 10.6.8 by time machine
Info:
Mac mini (Early 2009), Mac OS X (10.6.8)
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Feb 1, 2009
I remember a while back ago, well over a year ago I discovered online a software program only for the Mac intended to help people go to sleep and more importantly wake up. It utilized your iSight camera taking a photo (silently) every time there was movement, as the camera was positioned to focus on you sleeping, determining when you would be entering a REM sleep cycle and at what times would be best for the program to wake you up. It was a nifty little program though used a bit of ram to keep up since your iSight camera was on all night. That and the program did a few other interesting things too. I hope someone knows what I'm talking about.
I'd love to check this program out again but can't remember it's name. I'm only doing so since I've moved to a new apartment and am looking for a new method to wake me up in the morning aside from my cell phone's loud ring tones. Or there is this other alarm clock that you set on the opposite side of your room and have a little laser gun next to you and when the alarm rings in the morning you grab the gun and the alarm won't turn off till you shoot the laser w/ the gun directly into the bulls-eye within the alarm itself on the other side of the room.
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Apr 22, 2010
I have a 27" iMac purchased last January. Every time the computer wakes up, the display activates with normal coloring but after a second "shifts" into a different color profile with a blue'ish tint.
All software updates have been applied. I've reformatted the computer twice since the initial purchase. Problem persists.
I'm well aware of the yellow tinge problem with 27' iMacs, but based on my research of past posts the blue color shift has only been a problem with Macbooks.
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Sep 17, 2009
I have a 1TB external drive that I use to back up and leave plugged into my macbook pro all the time. The problem is, the external drive is quite noisy, especially when it starts up. Luckily, the drive goes to sleep after several minutes after routine backups. Anyway, every time I used to go into spotlight, the external drive would whir up (because spotlight had indexed it). I have taken put it on the privacy list and I think that problem is over. However, strangely enough, whenever I click on the dock to start an application, the dock freezes and my external drive wakes up again!
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