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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Applications > TM TIME machine disk not ejected properly?

TM TIME machine disk not ejected properly?
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kevs
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Jul 31, 2019, 01:19 PM
 
I wake up in morning and I see 6 redundant messages that TM was not ejected properly. Yet it's there on desktop fine. Anyone know what this is?
     
andi*pandi
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Jul 31, 2019, 01:45 PM
 
power fluctuation cutting power to the drive, effectively disconnecting it? playful cat? or the hard drive is going.
     
reader50
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Jul 31, 2019, 01:52 PM
 
Intermittent connection to the TM volume. It got disconnected 6 times, each time reconnecting and remounting.

How is your TM volume connected? Network, direct USB, TB, FireWire?

The drive itself could also be overheating, causing the HD to stop responding until it cools down.
     
kevs  (op)
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Jul 31, 2019, 01:55 PM
 
Andi, thanks, have no idea. Never see this nuisance before. Drive is mounted in morning and backup ok. Yet would be nice not to have 1/2 dozen badges on the desktop about this..
     
ghporter
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Aug 7, 2019, 09:05 PM
 
Check power to both your computer and your TM device. I have both my iMac and its external drive (its Time Machine drive) on an UPS for this very reason. Either the iMac or the external drive was too sensitive to power fluctuations, and I had that same sort of "not ejected properly" messages from time to time. I never bothered to read the logs to see if it was the computer or the drive - I just put both of them on an UPS.

Glenn -----OTR/L, MOT, Tx
     
kevs  (op)
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Aug 7, 2019, 10:11 PM
 
thanks GH, what is UPS, besides package carrier?

But the drive is mounted fine in morning, yet see 5 of these eject alerts.
     
reader50
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Aug 7, 2019, 10:38 PM
 
UPS = Uninterruptible Power Supply

It's a box (containing a battery & inverter) that plugs into the wall. You plug your computer and selected peripherals into the UPS. If the wall power vanishes, the UPS fills the gap instantly. Your computer doesn't crash, and you have a few minutes of battery power. Enough to ride through a flicker. Time enough to save your work & shut down, if it's a longer outage.

A bigger UPS has more battery power (and costs more). It can either maintain power longer, or handle more peripherals.

NewEgg UPS section
     
kevs  (op)
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Aug 7, 2019, 10:44 PM
 
got it, but no one knows if that would solve issue correct?
     
reader50
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Aug 8, 2019, 12:39 AM
 
Death and Taxes are guaranteed. Other issues have to be fiddled with.

Try a basic $60 one. If it works, great. Even if it doesn't, you've eliminated a cause, and you're protected during the next power failure. A possible win, and a definite win.

I have one on my computer. And another on my modem & router. Because losing internet during a power failure is majorly annoying.
     
kevs  (op)
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Aug 8, 2019, 03:21 PM
 
thanks Reader, well, only happening every couple weeks. What else could this be? Is it odd though the hardrive of which always TM, says not ejected, yet always on the desktop ok?

Does that really sound like a power outage issue?
     
andi*pandi
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Aug 8, 2019, 03:27 PM
 
Yes. Get the UPS and see if it improves, as Reader says, a UPS is a good idea anyhow.
     
kevs  (op)
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Aug 8, 2019, 03:34 PM
 
thanks, Do you have links/ recommendations?
     
reader50
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Aug 8, 2019, 06:49 PM
 
In order of decreasing power.

APC 675 VA (360W) $61
CyberPower 625 VA (360W) $52
APC 600 VA (330W) $59

I have a couple of the 3rd one, and have bigger CyberPower models. Had good luck with both brands. You do have to change the batteries every 3-6 years, but you can get replacements off eBay, direct from China. For a fraction of the price of a new unit.

Pay attention to the sockets on it you plug into. Some sockets have full battery backup, others are only surge-protected. The idea is your computer, monitor, TM backup, modem/router get the full backup. Other peripherals (printers, scanners, amps) don't need backup power during an outage. Preserving the backup power for just the essentials makes it last longer.
     
ghporter
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Aug 8, 2019, 09:08 PM
 
I guess I'm a relic. I thought EVERYBODY knew what uninterruptible power supplies were... I've used them on everything since a lightning strike near my house killed a bunch of my electronics.

Anyway, APC is pretty much the leader in the consumer end of the UPS market. CyberPower is also a good brand. Server-grade units come from Tripp Lite.

Assuming the reason your TM drive "was not ejected properly" was because of power fluctuations, protecting the power input to your equipment should fix that issue. Using an UPS will also protect you from serious issues related to the power grid.

Glenn -----OTR/L, MOT, Tx
     
kevs  (op)
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Aug 9, 2019, 06:22 PM
 
Thanks guys, found this

https://www.amazon.com/APC-Battery-P...xpY2s9dHJ1ZQ==

What is difference between 400, 600, 800 VA?

Also notice only side does the battery backup....



And if you have three externals hardrive and a computer you want all four of those on that correct?
     
ghporter
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Aug 9, 2019, 08:35 PM
 
Volt-Amps is the power capacity of the battery backed portion of the UPS. More is better.

Depending on which Mac you are using, and the power requirements of your external drives, you want enough capacity (in volt-amps) to run everything for at least a few minutes.

If you look at the 600VA option in your linked page, it has FIVE outlets marked "battery + surge" and two marked "surge." Typically 600VA is more than adequate for a high end iMac and lots of peripherals, so that's the device I'd suggest for you. That's also a good price for that unit.

Glenn -----OTR/L, MOT, Tx
     
kevs  (op)
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Aug 10, 2019, 12:56 AM
 
Thanks, will dive in and let you know how goes!
     
   
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