[Cialug] linux software raid

[cialug@cialug.org]

Yeah, but that was NT4. :p

FYI - upgrading Mandrake 10.2 beta 2 fixed the RAID problem.

-dc

"Nathan C. Smith" <smith@ipmvs.com> said:

> I don't much care for software RAID.  Any room left in the budget for a
> 3WARE card?  They do a great job of supporting RAID with Linux.
> 
> That said, I have a box with software RAID (similar situation to yours, and
> no time to acquire a 3ware card) that is running FC2 with software RAID.  I
> think too I set the /boot volume up as part of the RAID.
> 
> I had an NT4 machine with software raid - a section on one of the drives
> started going bad and it was part of the boot partition on drive 0 -  not a
> part of the RAID set.  It caused it to not be possible to break the RAID set
> like I was supposed to be able to through software.  I ended up doing a
> disaster recovery-style operation on the machine and resolved never to have
> "partial redundancy" like software RAID and no redundant boot sector again.
> Hard lesson learned.
> 
> -Nate
> 
> -----Original Message-----
> From: David Champion [mailto:dave@visionary.com] 
> Sent: Monday, February 21, 2005 2:26 PM
> To: cialug@cialug.org
> Subject: [Cialug] linux software raid
> 
> 
> 
> Just fishing for some advice on linux software raid setups. I'm 
> configuring a new Dell PowerEdge SC1425 with 2 80gb SATA drives, I want 
> to put them in a RAID 1.
> 
> The "hardware" mode isn't supported under anything but Windows, A Dell 
> rep in the Dell tech support forums says to use a Linux Software RAID 
> driver.
> 
> I tried setting it up with Mandrake 10.1 (DiskDrake has a really nice 
> interface for building the RAID) - but apparantly there's a bug 
> somewhere that will let it load the first RAID volume MD0, but fails on 
> subsequent volumes - in my case I also have MD1 and MD2. I have the mdk 
> 10.2 beta 2 to try - if that doesn't do it, I'll try Debian (have Ubuntu 
> burned to a CD).
> 
> Has anyone tried a software RAID with Ubuntu? Is it supported "out of 
> the box" or does it require futzing around with the kernel? DW suggests 
> trying Fedora... I'm just not so keen on RH - especially their software 
> updater.
> 
> I spent some time reading up on things over the weekend on how I should 
> be setting up my volumes. Some say you should put your /boot partition 
> on a plain linux-native (or journaled) partitions outside of the RAID. 
> Others say it's fine to make it a RAID volume. I'm tempted to make it 
> part of the RAID - seems to me that if your boot kernel supports the 
> RAID, it should be fine.
> 
> -dc
> 
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