RE: HW Raid
Personally, I'd go with snmp if you are familiar with that. Manufacturer software to monitor stuff tends to be little more than an afterthought. It's often badly designed and a mess to use. Also, almost any sort of manufacturer provided software with a GUI would be windows only. Linux almost always gets command-line tools only which means you do have to do some scripting.
Contrary to Camaleón's experience, the RAID cards I've used have supported rebuilding volumes inside the OS but if you want to make changes to the array, you would need to do it inside the BIOS.
Also, I'd double check to make sure that they explicitly say they support your debian otherwise, you might get an rpm which might not be usable with Debian. I had to switch distros on one of our servers from Debian to CentOS because Intel's software just wouldn't work inside Debian.
Cheers,
James
-----Original Message-----
From: news [mailto:news@ger.gmane.org] On Behalf Of Camaleón
Sent: February 15, 2010 5:25 AM
To: debian-user@lists.debian.org
Subject: Re: HW Raid
On Mon, 15 Feb 2010 10:15:43 +1100, Alex Samad wrote:
(...)
> What I am looking at is the ability to monitor the array from within
> linux, sort of like mdadm does, so that if/when a drive goes faulty I
> will be notified. I would also like to be able to use smartctl on the
> individual drives so I can gather information from them whilst linux
> is running.
As per RAID monitoring inside OS, be *very* careful.
I own some Adaptec's 2020SA (zero-channel raid cards) which do not allow such thing, all the operations (rebuilding arrays, creating ones...) have to be done at BIOS level when using "aacraid" driver included in stock kernel.
Adaptec provides ASM (software to control this under linux) but only works when using the manufacturer's RAID card drivers :-/
I recommend a full review of this page:
Serial ATA (SATA) chipsets - Linux support status http://linuxmafia.com/faq/Hardware/sata.html
In regards with "smart" monitoring, I also have to warn you :-)
"smartmontools" provides that functionality but only with a few drivers/raid controller:
Checking disks behind RAID controllers
http://sourceforge.net/apps/trac/smartmontools/wiki/Supported_RAID-Controllers
> I have been looking at the Highpoint Rocket Raid 3530, this seems to
> fit the build for me, but thats from reading the doco.
>
> I was wondering has any one on the list been using these cards ? what
> is the management software like and the monitoring
If I had to buy another RAID controller again, my money would go for "3ware" :-)
Greetings,
--
Camaleón
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