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Re: BRU, tape drives and XServe

On Dec 11, 2007, at 1:21 PM, Josh Wisenbaker wrote:

I've been wondering why Apple imposed that restriction, as I cannot identify a technological limitation that would preclude active backups (or TM browsing) by a logged-in FV user. I haven't played with TM (or 10.5) in my office much, but on my personal computer I have noticed that I can easily mount the diskimage on my FV drive and browse its contents. So if I can access the image, why can't Time Machine?

TM does FileVault backups like it does as otherwise your TM disk would be a nice, unencrypted, history of all your data.

I understand why it uses an encrypted image. What I don't get is why it cannot read or write from/to that image when I am logged in. I can access that image from the Finder... I would think TM could acquire my privileges and access it as well.

If you recreate your FileVault on 10.5 it should be a tiny bit faster as it will use a sparsebundle image rather than a vanilla sparse image.

IIRC, Time Machine forced me to update my FileVault (not an easy task, since rarely is there enough free space on a power user's personal laptop to de-encrypt and re-encrypt the primary user) before it would consider backing up my user data. It gave a cryptic message to that effect *once* and then behaved as if it was backing up everything, while in fact it was backing up the system, but not my account.
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References: 
 >Re: BRU, tape drives and XServe (From: "John C. Welch" <email@hidden>)
 >Re: BRU, tape drives and XServe (From: Ed Pastore <email@hidden>)
 >Re: BRU, tape drives and XServe (From: "Edward R. Marczak" <email@hidden>)
 >Re: BRU, tape drives and XServe (From: Ed Pastore <email@hidden>)
 >Re: BRU, tape drives and XServe (From: Josh Wisenbaker <email@hidden>)



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