5TB raid

[Tyler Aviss]

(make a third copy if they request...raids do not prevent operator errors)

I know a few people who have been of the opinion that RAID=invincible.
Unfortunately, it still doesn't save you from the almight mistyped
path in an "rm -rf" command :-)




On Tue, Apr 15, 2008 at 10:55 AM, teddy <teddymills-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
> Need to make a 5TB raid.
>  I could go with a canned solution. But that would be no fun.
>
>  I was thinking about
>
>  One HighPoint RocketRAID 2322 PCI Express SATA II card (2 SAS connectors)
>  Two 4 bay SATA2 enclosures with hotswap drive.
>  EIGHT WD Caviar 1TB (Green) SATA drives not listed (Hitachi and Sumsung
> listed)
>
>  Setup the hw raid
>  Fill both 4 bay enclosures with four 1TB drives
>  Install Gentoo OS with RAID1 with two 80GB IDEs (basic OS only,/home /var
> etc. but NO DATA!)
>  (make a third copy if they request...raids do not prevent operator errors)
>  use IDEs as /dev/hda so the sata enclosures start with /dev/sda
>
>  After OS install is complete then attach the sata enclosures
>  and setup each as a RAID5 using mdadm, fstab at bootup
>
>  /dev/sda1 sda2 sda3  sda4=standby
>  /dev/sdb1 sdb2 sdb3 sdb4=standby
>
>  (you could probably get away with using seven 1TB drives, as long as you
> have email notification on a failed drive an replaced it immedialtely with
> the 7th drive)
>
>  /raid1=3TB RAID5 on enclosure1, mount as ext3 /raid1 via rc.local
>  /raid2=3TB RAID5 on enclosure2, mount as ext3 /raid2 via rc.local
>
>  Call HighPoint for advice first.
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-- 
Tyler Aviss
Systems Support
LPIC/LPIC-2
(647) 302-0942
--
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