My external hard drive goes in to constant access mode and really slows down my computer
I'm using an external hard drive for time machine. After working for an hour or so the drive goes into a constant access mode and realy slows down my IMac. I look at activity monitor and everything looks good, no high CPU usage or memory issues. The only fix is to use the power button to shut down my IMac. After restart it works fine for a while.
If I turn off time machine the problem seems to not happen. I tried disk utility on the external hard drive and it says the dirve is fine. I change out external drives and the problem still occures. Any thoughts?
I didn't realize my profile stated otherwise.
Please check near the bottom of your original post above to see OS X (10.7.2). You might want to update that to avoid confusion and save some time in the future.
OK, please take a deep breath.
Apple does not officially support Time Machine backups to a drive at the USB port of the AirPort Extreme....likely because it is not reliable. You might want to review this Apple Support document to confirm:
http://support.apple.com/kb/HT2038
So, we are not going to be able to provide you with much assistance on that issue.
Some users seem to be able to make this work....some have some problems....and some (like me) who have tried this have nothing but problems.
Sorry, I can't help on this one, but maybe another user who has had better luck will post to provide his secrets.
The iTunes and iPhoto libraries and files are my only copies now. I moved everything from my Macbook to the external then deleted the originals.
Not sure if you have thought about this.
If you deleted the "originals", then your only copy of your data is on one hard drive. You have no backups if the drive has a problem.
A minimum backup plan would be to have a copy of important data on two different drives. When....not if...one drive fails, you have the data on the "other" drive.
You have no "other" drive according to the information that you have provided.
Further.....Time Machine backs up the changes on your Mac. At some point....you cannot know when.....Time Machine will pick up the change on your Mac and delete the iTunes and iPhoto data from your Time Machine backups.
The files might stay there a few months, or even longer. But, I have seen instances where the files were deleted within a week or two.
So my advice would be to only delete data from your Mac that you can afford to lose.
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I bought a 160gb iPod classic every time I try to put music on my external hard drive only copy up to 1500 songs and then freezes Itune me and I can not close, asks me to restore the ipod as factory, and do nothing . I try to close the program and itune will not let me, I try to turn off the computer and I can not shut, I looked to see if the iPod disk errors and says it's okay. I restored it about 8 times and I've put music and videos but I always delete everything. I crushed and Selection Menu to enter diagnostic sistemade or ipod and I put the manual test where I enter the IO and q tells me everything is fine. I have already given several Format directly from the Windows 7 and anything either, I always delete everything from passing over 1300 songs and I congeal whole team. No longer have to think of this company because Apple gives no solution has this issue.06-sep-2012 0:14
Me compre un ipod classic de 160gb cada vez que trato de ponerle musica de mi disco duro externo solo copia hasta 1500 canciones y luego me congela el Itune y no lo puedo cerrar, me pide que restaure el ipod como de fabrica, lo hago y nada. Trato de cerrar el programa de itune y no me deja, trato de apagar el computador y no lo puedo apagar, he buscado para ver si tiene errores el disco del Ipod y me dice que esta bien. Lo he restaurado como 8 veces y le he puesto musica y videos pero siempre me borra todo. He aplastado Menu y Seleccion para entrar al sistemade diagnostic o del ipod y le pongo el test manual donde entro al IO y me dice q todo esta bien. Le he dado ya varios Format directamente desde el Windows 7 y nada tampoco, siempre me borra todo desde que pasan mas de 1300 canciones y me congeal todo el equipo. Ya no se que pensar de esta compania Apple porque no da ninguna solucion ha este tema.
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iPod classic, Windows 7, ME BORRA TODO Y SE CONGELA -
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Drive Preparation
1. If you are preparing an external or a non-startup drive, then open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
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4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
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All my external Hard Drives stopped showing up in both Finder and Disk Utility
Hello there.
i have this strange issue that occured just out of nowhere without me (knowingly) having contributed anything to it.
yesterday i launched my iMac and my external firewire drive wasn't showing up in neither the finder nor on the desktop. i instantly thought about a hard drive crash, but soon tried other things to evaluate (or not) my guess.
for instance, i unplugged the drive waited a few minutes before i plugged it in again. since this iomega drive is also equipped with a regular usb port i also switched cables and tried connecting it via the iMac usb sockets as well as via an usb hub without any luck. the drive still won't show up. so i launched the Disk Utility, to see if the drive needs some checking/repairing, but to my surprise it wasn't showing in Disk Utility either.
thus far i only considered this to be an issue with only this particular external drive, but when i eventually switched on a 2nd external drive (this time an usb drive i use for Time Machine) that drive also refused to show up in either the Finder or the Disk Utility app.
curious as i was, i then fired up a 3rd and 4th external drive and now had all 4 drives running at the same time. none of which were showing up, just as if they weren't even connected with the iMac.
this strikes me as more than odd. i've heard about hard drive failures and crashes. they just occur over time. maybe and under some very strange coincidences it is possible that two external hard drives quit their jobs at the very same time, but seriously .... 4 of them?? i hardly think so.
well, maybe it's the iMac's usb/firewire controller that's causing the trouble, i thought. but then again, my other connected devices (iPhone, iPad, Printer, Scanner, eyeTV) are functioning and get detected just fine as far as i can tell.
i have no idea what's going on. i dismiss the idea of 4 external drives having crashed all at the same time just as much as i don't think that the iMac's usb/firewire controller has got any issues. re-formatting any of the 4 drives is out of the question and even if i'd consider such desperate measures, the Disk Utility wouldn't let me re-format anything anyhow, because the drives aren't listed there. i wish i could just use my Time Machine to resolve the issue but, as i mentioned earlier, i can't access the Time Machine because it also won't show up.
please, i need an expert's help here. please, somebody bring back my 4 external drives so i can access them in finder again.
any help will be much appreciated.
thank you in advance..
..OtisLaunch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ If you’re running Mac OS X 10.7 or later, open LaunchPad. Click Utilities, then Terminal in the page that opens.
Drag or copy — do not type — the following line into the Terminal window, then press return:
diskutil list
Post any lines of output that appear below what you entered — the text, please, not a screenshot.
If any personal information appears in the output, edit before posting, but don’t remove the context.
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