Hello.
I'm building a NAS server, and I need to implement Continuous Data
Protection.
I've been pointed towards Gamin, and it looks to be what I need, but I'm not
familiar with this whole area and I'm hoping I can get some help me get
going.
So, first I need to be sure it'll do what I want...
- I was initially planning to go with Arch Linux, but it appears this comes
with FAM. Would that cause conflicts with Gamin or could I just
overwrite/disable it? (If I can't use Arch, any recommendations for what I
can use, which can run from a 512MB CF card/RAMDISK?)
- Will Gamin work for changes over a network? My NAS will be serving to both
Windows and MacOS clients.
- Are there any [numerical] limits I need to be aware of? (I'll be storing
thousands of photos on the device.)
Assuming that's all okay, here is what I'm planning to do...
All the NAS data will be stored in a [root-level?] directory called ,
suprisingly enough, data. There'll be major directories inside that, and
potentially several levels of minor directories within that. I need
everything within /data to be protected.
Something along the lines of this:
/data/dev - active developments
/data/mix - misc & unsorted data
/data/music
/data/photos
/data/photos/store - raw images
/data/photos/active - active manipulations
/data/photos/final - finished photos
/data/web - webroot
My plan is to use gamin to notify every time a file is created or modified
it will create a copy of the file within a backup directory.
Within that backup dir there would be a per-day directory which would then
hold the relevant directories from data and then each file would be named
with a timestamp.
So, I might have:
/backup/2007.02.22/mix/133533.569-wibble.html
/backup/2007.02.23/mix/201304.365-wibble.html
/backup/2007.02.23/photos/active/201345.184-myphoto.pspimage
/backup/2007.02.23/photos/active/201444.245-myphoto.pspimage
ie: the mask would be
"/backup/{year}.{month}.{day}/{original_path}/{hour}{min}{sec}.{millisec}-{original_filename}"
It's probably a really trivial task to do this, but as I said I'm a newbie
in this area and I'm hoping someone can just say "do this", and I can avoid
poking about and potentially breaking things.
Thanks for any help. :)
--
\ \
Peter Boughton
blog.bpsite.net
/ /
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