Areca Raid card and Udev strangeness

I rebuilt my system with a custom kernel to use the Areca ARC1210 Raid drivers. The kernel built and booted without any problems, and dmesg even shows the raid driver initializing:
ARECA RAID ADAPTER0: FIRMWARE VERSION 1.38 2005-10-4
scsi0: ARECA ARC1210 PCI-EXPRESS 4 PORTS SATA RAID CONTROLLER
Driver version: 1.20.0X.12
Vendor: Areca Model: ARC-1210-VOL#00 Rev: 001
Type: Direct-access ANSI SCSI Revision: 003
and later
SCSI device sda: 1249999872 512-byte hdwr sectors (640000 MB)
sda: sda1
sd 0:0:0:0 Attached SCSI disk sda
libata version 1.20.0 loaded
However, as it is booting it displays
mount: special device /dev/sda1 does not exist.
The /etc/fstab entry is:
/dev/sda1 /smnt/raid reiserfs defaults 0 0
It may or may not be worth noting, but when I go to mount it with udev (mount /dev/sda1) it fails with "wrong filesystem". But if I "mount /dev/sda1 /smnt/raid" it works just fine.
Also, /dev/scsi/host0/bus0/target0/lun0/part1 is symlinked to /dev/sda.
Am I missing something from my kernel? Or is something compiled as a module that shouldn't be?
EDIT: I forgot to mention, the custom kernel is not an initrd kernel, so I don't think the wiki page applies.

FUBAR wrote:If "mount /dev/sda1" doesn't work, I think your /etc/fstab isn't correct: mount reads /etc/fstab unless you use a "full" mount command like your "mount /dev/sda1 /smnt/raid".
You were correct on one count, thanks. I had a line
/dev/sda1 /mnt/usb vfat user,noauto 0 0
earlier in fstab to mount my flash drive .
It does mount with "mount /dev/sda1" now, but it still produces the same error on boot, even though it seems to recognize the card at the beginning of dmesg. I would write a script to mount it before mysqld at boot, but I'm afraid that I'm missing something that will come back and bite me later. Is there some udev subtlety that I'm not catching?

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Raid Card and Multiple Hardrives.

does anyone have any idea if I can use the raid card to use a seperate hard drive to run windows and then use another drive for mac OSX? That way I don't have to worry about partitioning my hardrive. If there is any way to do so I would really like to know. Also any cheaper suggestions for a raid card?

Fact is you cannot use the APPLE RAID CARD and also run Windows on any of the internal SATA ports. Unless you want to play around with iPass or reroute the cables.
http://www.apple.com/support/macpro/
I consider the RAID card more hinderance, and not just in terms of Boot Camp.
http://www.apple.com/support/bootcamp/
Windows 7 is fine, more users probably than use Leopard, and runs well, no issues, and better than Vista even with SP2.

Mac Pro RAID Card and Western Digital drives

I'm having huge troubles with these items.
I first installed four WD7500AYYS (Raid Edition) to build a RAID 5 and install Leopard on it. At this point, one of the drives was probably DOA and didn't show up in the bay. I then reinstalled the Seagate that shipped with the machine, then proceeded to create another enhanced JBOD raid with one of the WD drives. After a couple of seconds, RAID utility reported an error (disk about to fail and such). I then tried with another one. The process ended with a kernel panic after two hours, while RAID utility was still marking the drive for enhanced JBOD. That disk never show up again, in any bay.
At this point, I'm left with two WD drives. I can't get past the creation of a RAID set with them, no matter what. Either RAID utility reports an error, or it says the disk has been ejected, or it keeps create the RAID for hours... The later usually ends with a "force quit", or a force shutdown. During these attemps, the RAID card went missing once, then it appeared again on the following reboot. The RAID battery, which was fully charged at first, is now being "repaired" (charging ?).
I then ran AHT to see whether there was something wrong. No errors reported.
Because all four drives were Raid Edition, I thought this could be the root of the problems. So I bought a Caviar SE16 (WD5000AAKS). To no avail. It fails too, in the very same way. And now it no longer appears in any bay.
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By now, I end up with five WD drives that appear to be just dead, as if they were killed by the RAID card trying to RAID them. The only drive that works, with or without the RAID card, in any bay, is the Seagate. I didn't try to fiddle with it though (I'm reluctant to format it just to see whether I can create an enhanced JBOD raid with it).
So the question is, are Western Digital drives compatible with this RAID card ? If they do, then how a RAID card can kill them in such a way while keeping the Seagate alive ?
I'm lost in conjectures. I don't even know if/how I can bring all the WD drives back to life. I'm not sure the RAID card is faulty, I've already lost a lot of time and money, I'm not willing to buy yet another drive to see it fail too, and my Mac Pro is kind of useless as I don't want to spend time on installing/configuring everything I need on a drive that is bound to be replaced by a larger RAID 5 array.
Any help is appreciated. Thank you.

Someone yesterday or Friday, had a system with 4 x 1TB drives and Pro RAID, but in their case, it was determined later Saturday that drive bay #1 was not functioning.
Hopefully these fully retail drives, not OEMs, and I would think they are fine. They are what I would use (Sonnet Tempo only supports RE of the WD drives). Someone else, Danish?, had 3 out of 4 WD drives were DOA.
I've never had trouble buying over a dozen from OWC, so it does seem odd.
If you have SoftRAID 3.6.6 I would use that to zero the first and last 100 sectors, or you can begin to zero the whole drive and cancel at any time, just to check the health of the drive and that it can zero and not produce I/O errors.
There are two other methods for accessing and managing Mac Pro RAID, ARD and CLI
http://docs.info.apple.com/article.html?artnum=306231
Originally, only Apple drives were supported. My understanding was that this changed. But the only article I found in KB dates back to Aug '07:
Question: What drives does Apple support with the Mac Pro RAID Card and the Xserve RAID Card?
Answer: +Only Apple drives are supported with the Mac Pro RAID Card and the Xserve RAID Card.+
My understanding that 3rd party retail drives such as WD RE2 750GB, Seagate, Hitachi were supported as well since the article was written - and I can't find where I read that, but sure that I did, as this was discussed in the past.
I'd like to find an official article. Even my friend Google was helpless

Raid card and scratch disk setup for FCP

Hi Guys
Can anybody tell me what is the correct way to set up a raid card and scratch disk for FCP if you have 3 x 2TB internal hard drives, with the OS on HD1 and drives 2 and 3 dedicated for FCP
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i only ask this as i have been told how to do it in different ways by 3 people......

Thanks John, although i'm rather embarrassed to admit that I am a complete newbie when it comes to technical/computer hardware terms (i.e. I have no idea about different types of disks, other than a HDD and a SSD, or even what the difference is between your media cache and a scratch disk).
This means that after reading all the links you so helpfully provided hasn't done much other than making me feel even more stupid!
The best that I can conclude from what I think that i've understood is that I will use:
Intel 530 Series 120GB SSD for O/S, Programs (and Pagefile?? No idea what this is, sorry)
Samsung 840BW 500GB - Scratch Disk (is this the media cache?) and preview
Seagate Barracuda 3TB HDD - media, projects, and exports
Please tell me if i've got something around the wrong way....
Thanks again.

Apple RAID Card and 3TB Drives only show 2.2 TB

I tried a 3TB Seagate Barracuda XT drive in the July 2010 Mac Pro (and a Jan 2008 Mac Pro) on the RAID Card that came with the machines (so one is the RAID Card now shipping) and both show a maximum of 2.2 TB with a 3TB drive.
I'm curious if anyone else has tried this with different results. Any luck in getting the RAID Card to see the full 3TB in the drives?
By the way, without the RAID Card, the Mac (OS 10.6.4) sees the full 3TB, but not with it.
Anyone else seeing this?

Okay. Seems Apple didn't plan for or certify 3TB.
However, Apple doesn't support using 3rd party drives. Some do, and in some situations, drives you would think work don't, or they work but only briefly.
When I said read FAQ I was thinking of all the points like this:
Question: *Which drives does Apple support for the Mac Pro RAID Card and the Xserve RAID Card?*
Answer: Only Apple SATA drives and Promise 450GB SAS Drive modules sold through the Apple Store are supported for use with the Mac Pro RAID Card (Early 2009) and the Xserve RAID Card (Early 2009).
Apple 300GB SAS Drive modules are supported with the Mac Pro RAID Card (Late 2007) and Xserve RAID Card (Early 2007).
Drives must be either all Serial ATA (SATA) or all Serial Attached SCSI (SAS) drives. SSD drive modules are not recommended for the Apple RAID Card because these drives use their own on-disk cache and cannot take advantage of the protection provided by the battery-backed cache on the RAID card.
http://support.apple.com/kb/HT1346#faq8
http://www.apple.com/support/macpro/
Apple Knowledge Base: recent changes:
http://support.apple.com/kb/index?page=articles

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I cannot seem to find Leopard drivers for my Areca 1220ML RAID card. Areca support page has no new drivers since Tiger and though they list their product as supported under Leopard, there exists no drivers that I can find. Apple makes no mention of them on the driver support/download section either
help!

I have an Areca 1220 (not ML) that I put into a 10.5.4 Macbook Pro system (via external PCIE) and it worked without having to do anything. The drivers were already present. I have since swapped out the 1220 SATA for a 1680 SAS and it, too, worked without needing any drivers. I guess the press release from Areca was true!
http://www.areca.com.tw/news/2007/n1106.htm
However, I did find a link to OS X drivers on the Areca site, which hopefully brings some assurance:
ftp://ftp.areca.com.tw/RaidCards/AP_Drivers/MacOS/

Help Required 2x Areca Raid Cards

Hi,
I have a Areca ARC-1680ix 16 port & a Areca ARC-1231ML 12 port
I wanted to know if it is possible to use both cards in one system, if so what is the best method.
I want to install this in a large Server Rack mount that has hot swapable bays.
Regards
Baz

That is up to the management software and firmware of the cards. If the firmware allows the cards to grab different resources then they both will initialize. If the management software allows you to manage both cards then your fine there. However if you are attempting to span a raid over both cards then that will require a contact with Areca. Intel cards have that option with an internal cable or atleast they did in the past. Normally a SAS expander card is a better solution than 2 raid cards currently.
Eric
ADK

RAID card and temperature spike

We have two dual G5 Xserves, in different locations. One of them, newly installed, has the RAID PCI card and three 500 GB disk modules, and that's the machine on which Server Monitor is currently reporting a temperature warning at the PCI card sensor, at about 135 degrees. The fan on that section is running at about 12000 RPM.
The other dual-G5 Xserve doesn't have the PCI card, and runs about 25 degrees cooler in that enclosure section. Its comparable fan runs at about 4000 RPM.
There were some potential ventilation issues with the hotter machine which we corrected last week, but neither the temperature nor the fan speed have gone down at all. Is this a normal symptom of the RAID card, or does it sound indicative of a different problem?
Thanks.

There's definitely something amiss. None of my servers with RAID cards run significantly hotter than those without.
There's either something wrong with the server causing it to overheat, something about the environment (lack of air flow, A/C, etc.), or something as benign as a faulty temperature sensor.
It is something you should try to fix. If you're confident about the environment then call Apple regarding the temperature sensor.

Workaround for Hardware Raid-Card and Bootcamp

I have ordered my new Mac Pro with the optional raid-card by Apple. Since there are no drivers for Windows XP or Vista available, harddrives attached to the card cannot be used for bootcamp to boot from. But it seems the Apple ships teh new Mac Pros with all drive bays connected to the raid-card. I was wondering if i could bypass the card by detaching one of the SATA-cables and plug it into the mainboard directly to use the first (or last) drive bay for a separate boot drive (WD velociraptor 300 GB) with a partition for Mac OSX 10.5 and Windows XP (each 150 GB) on this drive. I want use the rest of the harddrives attached to the RAID-card for a raid 0 under Mac OSX only. Windows XP will use an external storage case connected by Firewire 800.

Hi,
I believe the iPass cable connects all four hard disks with a single connector. This makes it difficult to remove one bay from the Apple Card. My experience is that you either use the card for all four bays or you disconnect the card and use the stock motherboard SATA interface.
I found using an external RAID box allows me to have all four internal hard disk bays available for boot disk or boot camp use. The external SeriTek/5PM provides my RAID. I can use the HighPoint RR2314 for a five disk RAID 5 configuration or the Sonnet Tempo E4P if I want a RAID created by Disk Utility. Using multiple SeriTek/5PM enclosures can increase the performance.
http://www.amug.org/amug-web/html/amug/reviews/articles/firmtek/5pm/
http://firmtek.stores.yahoo.net/sata5pm.html
If you want even higher RAID performance and SAS compatibility and don't mind spending more $$$ the HighPoint RocketRAID 4322 RAID 5/6 Controller provides amazing performance with the Enhance RS16 JS SAS expander enclosure. The AMUG tests show this combination can provide RAID 6, sixteen disk average write performance of 696MB/sec. and 833MB/sec. read performance.
http://www.amug.org/amug-web/html/amug/reviews/articles/highpoint/4322/
http://www.amug.org/amug-web/html/amug/reviews/articles/enhance/rs16js/
http://www.amug.org/amug-web/html/amug/reviews/articles/datoptic/rm16_ex8/
There are lots of RAID solutions available for the Mac Pro. However, I find the internal Apple RAID lack of Boot Camp support is too restrictive and higher performance is available from 3rd party solutions at a better performance to cost ratio.
Have fun!

MA849Z/B RAID card and Mac Pro 4,1 octocore

Hello,
is the Apple RAID card ref. MA849Z/B compatible with a Mac Pro octocore 4,1 (using Xeon 5500 if I am right) ref. MB535LL/A?

Hi-
The blue, Mac Pro RAID Card (MA849Z/B), is compatible with Mac Pro 3,1 and earlier.
The 2009 Mac Pro 4,1 uses the black, MB845Z/A card:
http://support.apple.com/kb/HT3514

Need help with RAID Card and degraded Raid-5 errors

Dear all,
I recently purchased a used Apple RAID card for my 2008 Mac Pro 8-Core. The installation went smooth, the card was immediately recognized and the battery reconditioned within one night.
So I started setting up a Raid Set with the 4 identical drives which I already used before as a software Raid. But each time the Raid Level-5 Volume is created, somewhat later the status turns red and the Raid is listed as "degraded"!
A closer look at log reveals:
+19:42:54 Drive carrier 00:01 inserted+
+19:42:27 Background task aborted: Task=Init,Scope=DRVGRP,Group=RS1+
+19:42:27 Degraded RAID set RS1 - No spare available for rebuild+
+19:42:26 Degraded RAID set RS1+
+19:42:22 Drive carrier 00:01 removed+
+15:10:57 Created volume “R1V1” on RAID set “RS1”+
So it seems that the drive from Bay 1 somehow gets lost (removed) a few hours after the volume is being created and anysoon later it's being "reinserted"...
Of course, the drive is NOT removed, nobody touched the Mac Pro! Also I did the same procedure 3 times and the result was always the same.
I also tried setting up JBOD and different RAID levels which do all work without a problem. Only when choosing RAID5 (what I intentionally bought the card for), the problem reappears
Anyone any solution or hint for me concerning this problem? Many thanks in advance!

One drive completely broke down later. Replaced that drive and since the problem's gone!

XServe with hardware RAID card and headless install

Today, while trying to remotely install Mac OS X Server 10.4 ("Tiger") on an Apple XServe G5 with hardware RAID card, I discovered that it did not report the IP address of the server (booted from CD) with the sa_srchr command as it did with Mac OS X Server 10.3. With Mac OS X Server 10.3, I could boot the server from the CD, use the sa_srchr command from a remote machine to find the IP address, ssh into the server and user megaraid to create or recreate the RAID volumes using the internal drives in the server.
When I boot the XServe from the Mac OS Server 10.4 CD and run the sa_srchr command from a remote computer, I get "No Longer Used" in the place where the IP address should be (as it was in 10.3 Server and as it is described in the current, 10.4 Server, "Command Line Administration" manual).
Example: localhost#2xCPUFormat#No Longer Used #xx:xx:xx:xx:xx:xx#Mac OS X Server 10.4#RDY4PkgInstall#3.0#512
Just as an experiment, I threw the Mac OS X Server 10.4 DVD into an iMac G5 and booted it. Using the sa_srchr command, I get the same "No Longer Used" where the IP address should be.
Does anyone know:
Is this a problem with the original "Mac OS X Server 10.4.0" installation CDs? Do I need 10.4.1, 10.4.2 or 10.4.3 CD/DVD media?
Has this functionality been removed from Tiger install discs? Is there another way to create the RAID volumes?
I know that I can use the Mac OS X 10.3 Server disks to work around this, but it doesn't seem like I should have to...
Justin Sako
Leander ISD

Are you sure you have the 10.4 Admin Tools installed on the 'client' machine? I've seen this happen when trying to set up a 10.4 server from a machine with 10.3 Admin Tools installed. Try deleting the Admin Tools from your client machine, and re-install from a 10.4 DVD.
iBook G4 Mac OS X (10.4.3)

Different RAID card and HDDs

Hello -
I did some searches for older posts, but didn't find anything with a definite answer.
I know the Apple RAID FAQ mentions that only Apple drives are supported with the RAID card both some posts have said this is not the case anymore. And there are several posts with people buying new WDs and Seagates for their Pros. So does the Apple RAID card support other drives?
My next question is does the Pro support any other RAID card beside the Apple one? If so, are there any recommendations on a good one? Will it work fine with the Pro form factor and with OS X?
Thank you

Search through http://www.amug.com which reviews most every controller and hard drive, as does http://www.barefeats.com
RAID is a frequent topic, search for userid "mbean" and "RAID" and you'll come across some very in-depth replies.
What do you need your setup for though is the first question. And whether $799 is the best bet, first.

ARECA RAID CARD PROBLEMS

I am in the middle of building my new system.
I am having problems with an Areca arc-1680 IX 16 Port.
Basically the card is running so slow, I have tried varios volumes from 2x hd in raid 0, to 10 raid 0, raid 30 ect. the higest i got is 170 ish mbs. peaks up and down.
I have tried with HD Tach & HD Tune.
Motherboard used:
Asus Z8NA-D6
HD: Samsung hd103sj
Windows 7 ultimate.
I have tried the only 2 available 8x pci-e slots. makes no difference.
waiting for areca to get back to me.
this is the second card i am testing this week. So i have 2 cards that cost ££££ and they are useless.
any sugestions what it could be.
baz

good chance its the motherboard you used. it would not have been my choice.
you should be hitting 195-215 for a 2 drive raid 0.
i have not tried the samsung drives so who knows...
what #s do you get with onboard raid 0?
Scott
ADK

OT (ish): ATTO raid card and Sonnet drive array won't mount

Hi,
It's slightly off topic I think, but the title says it all. My ATTO configuration tool says all is ok and all 8 drives are fine, but Finder doesn't show the drive array (8xdrives as RAID 5). ATTO support have told me how to manually mount the drives via a command line interface, but I'd really like to just turn the computer on and have them there on the desktop(!). While support is thinking about it, I was wondering if anyone had had anything similar and if they felt it was the OS as opposed to the PCI card? I'm running 10.4.11. Other drives (SATA and FW) mount fine.....
Cheers!
Todd.

Complete re-install worked

Areca Raid card and Udev strangeness

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