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Re: [Xen-users] Cheap IOMMU hardware and ECC support importance

Gordan Bobic <gordan@xxxxxxxxxx> writes:

> On 07/17/2014 08:34 AM, lee wrote:
>>>>>> To back it up, I'd still have to make an archive which I can upload.
>>>>> Depends on how the backup service works. Many have a deamon that
>>>>> monitors directories you specify and uploads changes.
>>>> Then I won't be able to encrypt them with gpg.
>>> Yes you can. You can, for example, set up lsyncd to monitor the
>>> encrypted directory, rather than the mountpoint, and sync encrypted
>>> files to an alternate location (local or remote). The backup
>>> daemon never needs to see the plain text files.
>> I'd still have to encrypt them.  Other than that, yes, maybe if I had a
>> database of all files telling some system that encrypts and uploads them
>> which files have changed, and if I had something that monitors all files
>> in some useful way, it may be possible.  I don't have such a system,
>> though, and no remote place to store files at.
> You may not have noticed I mentioned "lsyncd" which does such
> monitoring and copying.

I did notice --- as in it monitors a particular directory into which I'd
have to put files.  But I don't know, perhaps it can monitor many
directories and/or do something with the files before uploading them.

If it was monitoring my home directory for changes, encrypted changed
files with gpg and uploaded them, that might just work --- if it could
do that fast enough, or queue the files up.  But what if it's working on
a file (that perhaps was queued up already) while the file changes?
What about deleting and renaming files and directories?

Knowledge is volatile and fluid.  Software is power.

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