[Novalug] NAS Box using software RAID

Peter Larsen plarsen at famlarsen.homelinux.com
Mon Jul 12 12:23:59 EDT 2010


Jay, 
If this is a backup and not active, why use redundancy on it? You
already have it redundant with your primary/active system. So raid0 it.
If you loose any data, you just copy the data back from the active
system(s)?


-- 
Best Regards
  Peter Larsen

Wise words of the day:
"You, sir, are nothing but a pathetically lame salesdroid!
I fart in your general direction!"
	-- Randseed on #Linux


On Mon, 2010-07-12 at 10:57 -0400, Jay Hart wrote:
> Bascially, this box will be the main repository for backed up data from other
> boxes.  An example would be my openbsd router.  I back up /etc and any other
> custom scripts to my current NAS box weekly (rsync).  I also do the same for
> my email/web server (also using rsync).
> 
> By recovery, I mean how to recover from a drive dying on the NAS box.  I think
> my data is safe since it resides elsewhere.
> 
> My current NAS box has two drives (standalone) which I very infrequently try
> to mirror each other using rsync.  I'd like to move away from having to do
> this.
> 
> Typically I leave my NAS box on all week, but really just need to power it up
> Saturday evening and shut it down Sunday evening for the auto scripts.
> 
> Jay
> 
> > What do you intend to do with the RAID volumes?  The answer to nearly every
> > question below will depend on that.
> >
> > jf
> >
> > On Jul 12, 2010, at 8:48 AM, Jay Hart wrote:
> >
> >> I'm standing up a new NAS Box (using FreeNAS) using matching 1TB Drives
> >> (total
> >> of two drives).  System disk will be a USB flash disk.
> >>
> >> 1. What is the best combo to use for these two drives?
> >>
> >> (PS, I can't get but two drives in the box, thats why I'm using two.)
> >>
> >> 2. Also, should I partition the drives to use 2 500GB partitions and leave
> >> the
> >> last half of the drive unused.  Would this allow for easier recovery?  Maybe
> >> setup up a second RAID drive on the last half of the disk and mirror the
> >> first.
> >>
> >> 3. I'm thinking I need to go procure a spare identical drive for recovery in
> >> case one goes bad.
> >>
> >> 4. What would be the best plan to use for a 2 drive RAID system?
> >>
> >> 5. Will 2GB of RAM be sufficient for a TB of RAID 5 storage.  I think it
> >> should be, as use of the drives will be low.
> >>
> >> 6. Does anyone know a way to backup Windows drives automatically to a NAS
> >> device?  I can do it manually, but I'm looking for a utility I can tell
> >> which
> >> directories to backup and the timeframe this needs to occur.
> >>
> >> My plan is to use full amount of both drives in a RAID 5 configuration.  I
> >> think this would work, but I'm not well versed on recovery using two drives.
> >>
> >> TIA,
> >>
> >> Jay
> >>
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> >
> >
> 
> 
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