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local time machine snapshots
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Addicted to MacNN
Join Date: Oct 2002
Location: England | San Francisco
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any idea how to enable this under lion?
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we don't have time to stop for gas
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Professional Poster
Join Date: Sep 2002
Location: New York, NY
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Vandelay Industries
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Posting Junkie
Join Date: Dec 2000
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Indeed, I can't find a way to turn it off. Not without disabling Time Machine altogether, at least.
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Senior User
Join Date: Apr 2002
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tmutil is how you access the options for Time Machine.
Code:
sudo tmutil disablelocal
will shut the local backups off, but they're only enabled on portable computers.
There's a reasonably detailed man page for tmutil.
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Clinically Insane
Join Date: Mar 2001
Location: yes
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Somehow a big ass directory of hard links on the local boot drive on a flimsy file system seems like a bad idea to me.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
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Originally Posted by besson3c
Somehow a big ass directory of hard links on the local boot drive on a flimsy file system seems like a bad idea to me.
Works ok for external TimeMachine volumes, doesn't it ?
-t
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Posting Junkie
Join Date: Dec 2000
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Originally Posted by ChrisF
tmutil is how you access the options for Time Machine.
Code:
sudo tmutil disablelocal
will shut the local backups off, but they're only enabled on portable computers.
There's a reasonably detailed man page for tmutil.
Thanks, hadn't noticed that yet.
Really strange that they removed that option from the pref pane. I could swear it was there in the developer previews.
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Posting Junkie
Join Date: Dec 2000
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Originally Posted by turtle777
Works ok for external TimeMachine volumes, doesn't it ?
Not if anything goes wrong with the drive. One the directories get larger than 4 GiB, you can't run DiskWarrior on it anymore, since DW loads all the directory structures into RAM, and it's a 32-bit app which causes it to choke at 4 GiB. And with all the hard links it makes Time Machine, in my experience, tends to go past this point very quickly. Running Disk Utility on the drive works, but it takes hours (literally) to complete and as such is not very practical. I'd rather avoid having those same issues on my boot drive...
This kind of feature would work great on ZFS, though. Hopefully it won't be too long until we get a new filesystem — Apple certainly seems to have been designing features with a ZFS-like filesystem in mind for the past few years.
Fortunately, HFS+ has been a lot better about this lately than it used to be. I haven't had Disk Utility turn up any problems with my Time Machine drive for years. It's annoying, though, that if any problems did come up, it would be time-consuming to fix them.
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Clinically Insane
Join Date: Jun 2001
Location: planning a comeback !
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Originally Posted by CharlesS
I haven't had Disk Utility turn up any problems with my Time Machine drive for years. It's annoying, though, that if any problems did come up, it would be time-consuming to fix them.
That was sort of my point. It seems to work reliably. I have never had any error on my TM volume.
-t
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Senior User
Join Date: Apr 2002
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Originally Posted by CharlesS
Thanks, hadn't noticed that yet.
Really strange that they removed that option from the pref pane. I could swear it was there in the developer previews.
It was there in the earlier previews, removed for later ones.
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Moderator
Join Date: Jan 2001
Location: Polwaristan
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Thanks for the tip to disable it. I've got a decent amount of space on my SSD but the last thing I need is a still-no-TRIM OS X backing up whatever it feels like to a space-limited SSD with little to no control.
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Clinically Insane
Join Date: Mar 2001
Location: yes
Status:
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Originally Posted by turtle777
Works ok for external TimeMachine volumes, doesn't it ?
-t
Yes, but those drives don't house the OS. It would suck if my drive became unbootable because of TM's local backup.
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