Mailinglist Archive: opensuse (1695 mails)

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Re: [opensuse] 10.2 no RAID to 11.0 RAID 1
  • From: Rui Santos <rsantos@xxxxxxxxxxxxx>
  • Date: Tue, 23 Sep 2008 11:49:33 +0100
  • Message-id: <48D8C9BD.8030903@xxxxxxxxxxxxx>
Hylton Conacher (ZR1HPC) wrote:
2008/9/22 Andrew Joakimsen <joakimsen@xxxxxxxxx>:

On Mon, Sep 22, 2008 at 12:38 PM, Greg Freemyer <greg.freemyer@xxxxxxxxx>


No because I've already "been there" and "done that" -- It is
IMPOSSIBLE to recover a RAID-1 array that just one day (after properly
shutting down the system and not having hardware failures) decided not
to boot.

Ahhh, now this is interesting :) The main reason I was creating the
RAID1 array was so that if one drive failed, I could receive a message
from mdadm, swop out the bad drive and continue working, without
losing data.

In view of the above comment, I guess it is time I ordered the 3rd HDD
and rather setup RAID5.

No Hylton. Andrew just had one bad experience. You can use Soft RAID1
with no problem. I use both RAID1 and RAID5 on several machines and, if
a drive "dies", I get a message from mdadm stating it. I can also change
the faulty HD with no downtime at all ( depending on your hardware ).
IMO, you should take Andrew's experience as Linux Software RAID is not
perfect. Well... nothing is... but IMO, it is very close to it :)


Maybe the issue is not mdadm but instead openSUSE 11.0? Either way I'd
advise to stay away from md RAID and its horrible mdadm tool. For me I
prefer to switch to hardware RAID cards and keep on using openSUSE.

HW RAID cards are a MAJOR expense for a home hobbyist who just likes
to make sure their data is retrievablein the event of a HDD crash.


Rui Santos

Veni, vidi, Linux!

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