[svlug] RAID drive recovery
rsb at ostel.com
Tue Jun 12 23:56:01 PDT 2001
The nice thing about hardware RAID is that it's constantly happening,
so it's a real-time backup. On this topic, I have heard that there
are some cheapo taiwan IDE controllers out there that support RAID 1.
Not the fastest solution, but in the price range of 10 bucks or so for
hardware RAID, it seems a trivial way to accomplish this. I would be
interested to know if anyone has any experience with these.
Rich Bodo | rsb at ostel.com | 650-964-4678
On Tue, 12 Jun 2001, Alvin Oga wrote:
> hi ya donald
> since the $1700 EFR240 is raid1 ( mirroring )...
> and only for 40Gb ??? geez...
> - just buy 2 40Gb disks at $130 each and use
> dd/cpio/mirror.pl etc to mirror one 40Gb to the other disk
> and you'd have exactly the same function
> since its supposed to be raid1...
> you should be able to remove the ONE faulty disk
> and plug it back in and it should recover itself...
> - if it does NOT recover... its NOT "raid"
> - might have to remove each of the 4(?) disks to see which
> one is the bad one...
> - you might want ot take all 4 disks... and hook it up
> to a PC with hw raid controller and see if it can
> see the ext2 partitions...
> - remember the disk id ( master/slave, scsixx etc )
> - linksys might be able to take the 4 disks and plugg it
> into a different working box and pull data off for you ??
> ( if there's nothing wrong with the disks.. )
> using raid does NOT eliminate backups... backup is still needed
> c ya
> http://www.Linux-1U.net ... 500Gb 1U Raid5 ...
> > Donald K. Wilson wrote:
> > Hi all,
> > I got a call from someone needing help with a linux box using
> > RAID, and since I don't know too much about it I thought I'd
> > see if anyone here can help. They have a box with a linksys
> > EFR240, which is described on their web page as an "EtherFast
> > Instant RAID". The firmware seems to be shot and they are
> > wondering how to get their data off the drive before sending
> > it back under warranty. Any ideas? (Need more info?)
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