Perfect, if he hooks it up to run inside his fireproof safe [with
adequate ventillation of course] but it does not address data security
[backups]. If there is no irreplaceable data on there, then all is good.
Bernd D. Ratsch wrote:
> Perfect. All the storage you'll need (for a while) and easy to use...cost
> is less than a RAID card and drives as well.
>
> - Bernd
>
> -----Original Message-----
> From: Pindell, Tim P [mailto:TPindell@otterbein.edu]
> Sent: Friday, September 14, 2007 9:47 AM
> To: dml@dakota-truck.net
> Subject: RE: DML: OT: Network / Server
>
>
>
> I figured I'd just throw this added info out there just re-iterate,
> reinforce and confuse things further:
>
> Out of the RAID levels we've discussed so far, only RAID5 and RAID1 will
> allow the failure of a single disk without loss of data.
>
> With RAID0 (disk striping w/o parity), the loss of one drive means the
> loss of the data on the array. Best performance and storage value, but
> no parity so no redundancy. Minimum 2 drives.
>
> With RAID5 (disk striping WITH parity), parity data are used so that the
> stripes from the missing drive can be recalculated on the fly allowing
> time to rescue data and replace the drive. Minimum 3 drives.
>
> With RAID1 (disk mirroring), the same data is written to both drives.
> Read performance is typically faster than write performance here since
> they act as a RAID0 array on reads. One drive can fail with no data
> loss. Minimum of 2 drives required for the basic set-up. RAID1 doubles
> the cost of storage since 2 drives are needed, but you only get half of
> the total disk capacity.
>
> There are other RAID configurations but these are the classics. The
> others are generally variations or combinations of these. RAID10 is one
> of my favorites: Stripes on mirrors. Pure disky sweetness. Minimum 4
> disks.
>
> I prefer a hardware controller with a battery-backed cache to off-load
> I/O processing and improve performance. Hardware RAID of that level
> could be overkill depending on the use of the box. >shrug<
>
> With all that crap being said, I'm wondering if something like this
> might be a good simple purpose-built option:
>
> http://www.cdwg.com/shop/products/default.aspx?EDC=1131832
>
>
>
>
>
This archive was generated by hypermail 2b29 : Tue Oct 02 2007 - 15:23:18 EDT