P6N Hardware raid problems (sata 6,7)

I didn't find the sig things which i find odd but anyway...
here my rig
P6n Diamond
2 asus 8800gts in sli
i have 4 HDD WD 200 gigs sata2
(will go into detail about those lovely HDDS)
dvd burning sata (currently unplug)
dvd rom IDE plug in
2 gigs of ram 4x512
core duo 2.66 ghz
OK here the problem i wanted 4 HDDS in raid 0 or raid 1 or the 1+0 since i got 4 ... works GREAT fast machines until something went wrong which blew out my original 4 gigs ram 4x1 gig ram sticks and no matter what ram i put in it did not work...sent it in for RMA got it back ever since i got it back RAID BEEN ACTING UP!!! my raid would FAIL in 1+0(i assume it means stripeing and mirroring) and 0 my desktop would hang for a few moments doing gaming regular uses email internet music video uses OR IDLEING after it recovers i get a balloon saying that access fail er to X.X.M drive it use to be one drive now when one acts up the other three follows it examples that was in raid 0 and 1+0 same issues once in a blue moon wait that everyday when i have it in raid 1+0 i found a brand new harddrive in my computer the raid had degraded ? what that means well i know what but HOW ? how did it degraded? so i rebuild the array and geese what compleat fail er it dies and i loose all my stuff on it...now be for someone comes in such as MSI saying that my HDD may be at fault it not...infact it is currently in raid 0 just 2 of them on my other desktop working great and the BEST PART it is FASTER on the P6N i get 200MB burst and when it was in raid 0 i get like 120 continuous read and in raid 1+0 i believe half that speed or 90mbs in the older desktop i get 330mb BURST and i forgot what i got for continuous ready again probably 90 and it is stable plus i ran forever hour es test on the HDD surface scans errors and such and it in 100% good shape and ready to rock....so you guys know the HDDS were in sata 1-4 sata 5 was my dvd burner and 6-7 blank....so i was using the SOFTWARE raid and it not doing so well at all i did try using 2 drives i didn't do a proper test yet but i think it also failed...so seeing that I'm having allot of software raid problems decided to get from bad to worse i cant get anywhere with it so here the new set up now...
2 hdds ONLY and PHYSICALY installed since the other 2 are in the other computer i have an IDE dvd rom plug and drive 1 and 4 are plug into the sata 6 and 7 the black and red sata heads...NO BLUE LIGHTS AT ALL NEVER SEEN A BLUE LIGHT... as we know Jp1 and JP2 i think ? there are 4 pins there are 4 possible ways to set that up i tryed all four and no blue lights not even a blink i look close I CANT FIND THE LIGHT PHYSICALLY INSTALLED or i dint recognize it ( i hope i am being blind) what i mean there four ways i tryed jumping one pin from jp1 to jp2 instead of two pins on jp1 and i even put 2 jumpers on both jp1 and 2 and both jumpers the other way from jp1 pin two jp2 pin actually that 6 ways my bad no blue lights...
the BIOS is set to IDE didn't work in raid as i read from other places if things go well light come on and the BIOS sees it as a single drive which means no floppy to installed 3rd party drives AWESOME!!! cant get it working :( .. it not detecting it at all it saying i have NO HDDS installed at all
i sent the board in for a second rma..guess what they did they pulled it out and put it in a box and send it right back to me....the moment it got there i get an email saying it being shiped back and i was like oh nice they replace it...they didn't TOUCH it...so I'm calling them up the next day...to find out why they did that and to try to set up the SIL raid....
now what I'm asking is in case MSI don't help how you guys get yours to work or tell me how to get it working ....and if the HARDWARE raid is a pain then why is my raid failing too much in software raid dose anyone know how to keep the raid alive in software ? i originally wanted software so it supports 4 drives but it failing so I'm dropping it to two drives in the hardware raid and i cant get it to even w/e it is it need to do....any thing will help right now I'm stump i went to this forum spent all day looking through it and tryed some stuff no luck :(
I'm using an ASUS board on my older desktop for 2 years straight more or less it still in raid 0 NO ERRORS it is sata1 that the HDD only maxi um speed with 2 sata1 in raid 0 it acts like 1 sata2 drive and i never had to reinstalled my OS for 2 years and it gets better the ORGINAL motherboard for that old desktop was an MSI and right now that original board is on my self causes a lil device fryed ( don't think it msi fault but got fed up with that board with allot of bugs it was a NEO F or something really old lol....
awesome a spell checker :D

i dont know how two memory stick whould make a diffrent but to answer your question no i havent the goal is to have all 4 sticks and yes they work great i put them in my old system as well and was able to see incrase of performance even though it two gigs all my other hardwares are working find cause when the mainboard was sent in for repaires i move some parts over so i can play SOME games while i wait...now for the power supply it has MORE then enough power it is a 1200 watt thermaltake with 4 12v rails 2 are 20 amps and the other 2 or 36 amps.. 5v rail is 30 or more but the 12 v rail are acurate i was studding it so i can properly connect the 36 amp to my video cards all power cord are plug in like i said all hardwares are working fine causes they were tested befor and none of them were at faults..
however i will try the memtest86 now dose it need to have an OS installed (dont have it causes it wont see my HDDS in sata 6 and 7) i have to head out in a bit but when i come back ill check it out causes the orginal rams were working find and everythign was happy untill the motherboard blew out and took out 4 ram sticks so i brought a new one from a diffrent brand wich fell into the compatible list of ram for this board the other one was not "comptiable" thank you be back shortly...
i forgot to mention befor i whould like a good list of directions beside the one in my manuel of how to set up the sata 6 and 7 raid if wores come to wores im going to back up my old HDDS wich have been working great and move it over to the HARDWARE raid and see if it works i will post what i find out but in the mean time the proper set up of the raid hardware will be nice in case i did something wrong thank you

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P6n 680i raid problem

Hi!
I have always been using RAID and I just got the p6n 680i mainboard from MSI. Before I just entered a raid setup in the boot menu but on this mainboard there is no such thing. Ive been reading the manual a 100times now and cant find out how to raid my new WD raptor X discs. Can anyone tell me how I make a RAID 0 with this mainboard? Thx

https://forum-en.msi.com/index.php?topic=25959.0

Problem with Installation on DELL Poweredge with Hardware RAID 1

Hello Arch LInux community,
I am a newbee with good linux knowledge of working on linux but not much of systems administration. I am very much interested to install Arch Linux on my new desktop which is a Dell poweredge having hardware RAID 1(PERC .... controller). It has windows 7 OS on its first partition.
I saw on the controller's BIOS menu that there are 2 1tb hard drives with something like --:--:00 and --:--:01 labels. And they were partitioned into two logical volumes which are visible once I boot into Arch linux live CD as, /dev/sda (about 250GB, and has windows OS on it) and /dev/sdb (about 700GB).
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Sector map of partitions on /dev/sdb : 1542848512 : 735.7 GiB
Disk identifier (GUID) : 967BF308-6E5E-43AD-AB2E-94EB975C3603
First usable sector = 34 Last usable sector = 1542848478
Total free space is 2023 sectors
Number    Start End    Size    Code Name
   34 2047       FREE
1    2048 2099199    1024.0 MiB EF00    EFI System
2    2099200 2103295    2.0 MiB EF02 BIOS boot partition
3    2103296 2615295    250.0 MiB 8300 Linux filesystem
4    2615296 212330495    100.0 GiB 8300 Linux filesystem
5    212330496 317188095 50.0 GiB 8300 Linux filesystem
6    317188096 1541924863 584.0 GiB 8300    Linux filesystem
   1541924864 1542848478       FREE
The instruction on the Beginner's wiki is somewhat difficult to understand for beginners. Especially I wasn't sure whether to make EFI System partition and BIOS boot partition or just EFI system partition. So I made both as per the instructions.
Is using UEFI compulsory, on UEFI based systems?
A little bit more sub-headings or division of instructions, in the Beginner's wiki, based on the usage scenarios can be very beneficial for newbees like me.
I am finally getting the following error when I select the Arch Linux from the GRUB menu. Why it can't find the device? I shall wait for your initial responses, and will give more specifics of my installation to find out any wrong step that I may have made.
[ 0.748399] megasas: INIT adapter done
ERROR: device 'UUID=40e603e9-7285-4ec8-8a06-a579358a52a0' not found. Skipping fsck
ERROR: Unable to find root device 'UUID=40e603e9-7285-4ec8-8a06-a579358a52a0' .
You are being dropped to a recovery shell
Type 'exit' to try and continue booting
Sh: can't access tty; job control turned off
[rootfs /]#

Well, you can see your RAID partitions and you're getting GRUB to load, and you are even being dropped to the recovery shell which means that the /boot partition is being found and is accessible. All vary, vary good things.
I would boot into the Arch live CD/USB again. Then check the UUID of the / Root partition. To do this I just check the log listing of /dev/disk/by-uuid
ls -l /dev/disk/by-uuid
Hopefully the UUID for the /root partition in the /boot/grub/grub.cfg is incorrect, and all you need to do is change it from 'UUID=40e603e9-7285-4ec8-8a06-a579358a52a0' to the correct UUID.
If the UUID is correct... then maybe the correct driver module is not complied into the initramfs. You could try adding that mdadm to the MODULES= list in /etc/mkinitcpio.conf then rebuild the initramfs again.
mkinitcpio -p linux
Hum..., the whole /dev/sda and /dev/sdb.... hum, You know... Maybe you need to change the line in /boot/grub/grub.cfg
set root='hd1,msdos1'
The hd1 is the equivalent to /dev/sda and the msdos1 is the equivalent of the First Partition i.e. /dev/sda1.. (note this is my disk yours may correctly have different numbers and not be a msdos partition)... owe wait... hum, you know I am fairly sure that like is really the root disk where the /boot partition is and has no relation to the / Root partition... Someone clear that up please.... It is hard for me to recall and I have my / Root parition encrypted, so It is hard for me to make heads or tails of that one right now, but that could be the problem too i.e. try changing hd1 to hd2 or hd0 or something.
Owe, and it may be faster if you just make temporary corrections to the GRUB menu by hitting the "e" key on the menu entry you want to change then hit.. I think F10 to boot the modified entry. That way you don't need to keep booting into the Live CD/USB
Last edited by hunterthomson (2012-09-20 05:52:33)

SATA RAID problem on K8N Neo2 Platinum (nForce3 ultra) & winXP x64

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I Installed win on an IDE and it run prefectly... In th other hand... without installing any driver the windows instalation recognices the SATA drives, but not the RAID. Maybe I just got to install the raid driver but not the SATA driver... the nforce3 driver form nvidia.com is pretty old... The real funny is that when i installed winXp x64 BETA i hadn' any problem... (winXP 64 doesn't admit the 32 bit driver=
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Thaks a lot

HI! i'm the one wih the raid problem on a k8n neo2....
That's what a i Did.. i unpacked the exe and copy the files in a floppy... question is: if i do that, windows instaler askme for some files that aren't in the .exe, anway it reconices the raid and everithing goes fine until the first BOOT on windos... it shows a blue screen, butremoves it so fast that i cant read it or pause the system. But i know it's a raid problem because if i install it on a ide disk it works.
The nforce3 drivers are almost a year old, and i'm not sure if nforce4 is compatible...
I think the're compatible because if you enter in msi driver download page and select my model, they put the Nforce3 and nforce4 for win64 and my model is only nforce3. The thing is they havent released the nforce3 for WIN 64.... So.. It's normal that win asks me for some files that ain't in the .zip file (i extracted the files o course) and Which driver should i put the Nvidia one year old nforce3 or the new nforce4. (the nforce3 for 32 bits is rejected by windows) or... i have to wait the new nforce3?
thanks for helps

K9A2 Platinum Sata Raid Problems

I could not get my 2 500 gb seagate 7200.11 drives to work on the sb600 raid controller, in raid 1 (set to raid mode in bios). I'd set it up and it would remain functional until I formatted it and put stuff on it. Then when I restarted, it says critical and can't locate the second drive, but it shows up in the list of definable drives. My older 200 gb seagates 7200.9 in the same setup do not have this problem. I finally got my 500s working by hooking them up to the promise controller instead. (Although no longer a current problem, I wouldn't mind knowing what would cause this for future occasions.)
My new problem is, I had to unhook all but the drive I wanted to install Windows XP on (A separate 120 JBOD configured drive) so I could get it to be C:/. This all went fine. However when I hooked up the 500s again, Windows XP would not boot, the screen just stayed black, with them not hooked up, it boots just fine, with the 200s as well. When running the Windows XP setup again, the 500s appear as C:/ instead of the 120 in the disk select screen of the install. It's like the 500s took over the drive letter when they are hooked up and thus can't load. Is there some way to stop it from doing this or am I completely off on this.
My computer spec is:
K9A2 Platinum
AMD X2 6000
2*2gb OCZ PC6400
ATI Radeon 3870
700 Watt OCZ PSU
Update: Installing XP ignoring the fact its not C: fails. It copies all the files onto it, then after restarting I get a black screen.
Another Update: On a whim I tried disabling the SB600 raid and set it to AHCI instead as I read that other people were having problems with it and it all works perfectly now. It's too bad this doesn't work, but I'll just put the 200s back in my old computer instead.

I'm having the exact same problem you did. Same Mobo. Except I started off with Promise RAID 1 because when I tried using SB600 RAID, my SATA DVD drive would not function in Vista Ultimate x64. So I had my Raid 1 configured on Promise T3 with BIOS 2.8.1030.0021 using 2 320GB drives. One of them Seagate, one WD, both 3GB/s transfer, only difference was that Seagate has 16MB cache, while the WD has 8MB. But both drives worked fine in the array for some time, and then after doing some updates from Windows Updates now the Raid config shows that encountered a critial status, "A disk member of an array has failed or is not responding", "Problem is detected with Array : 1". And when I go to the see the Array status it shows the Seagate drive on ID channel 1, but for the 2nd drive it shows questions marks all the way through the item line. I checked the drive, it seems fine. And even when I go to define a second Array, it shows the WD available on channel ID 3. So it definitely see both drives, but how do I re-add that WD drive that it doesn't see to my earlier defined array without loosing data on my Seagate drive?

Xserve G5 Hardware Raid Cable - Cable, SATA RAID Card

Anyone know were I can pick up 3 of the hardward raid cable's that are for the internal raid card? Cable, SATA RAID Card

When ours failed (became intermittent when disturbed), it was replaced by Apple Support under our Xserve AppleCare Maintenance Agreement - they overnighted one to me.
In case it helps, the Apple Support part number is 922-6343. the one that you DON'T want (the short cable that is removed when you have the Apple Hardware RAID) has the part number 922-6329. Any Apple service provider ought to be able to order one for you.
Russ
Xserve G5 2.0 GHz 2 GB RAM Mac OS X (10.4.8) Apple Hardware RAID, ATTO UL4D, Exabyte VXA-2 1x10 1u

Booting from external SATA firewire800 hardware RAID array

Just a quick post to update on a new toy and how it's being used.
Recently obtained a hardware RAID array which contains 5 drives at 250 GB each. Currenly setup as RAID 5, providing 1TB of storage.
After formating via DISk image I did a drive restore from my normal boot disk to the new array.
I changed the startup options to boot from the array.
So basically I am running my system from this new device.....I may later reconfig the array to 0+1 with a floating spare.
Cost of the box was 500. New and unused off ebay.

..

Systemd-fsck complains that my hardware raid is in use and fail init

Hi all,
I have a hardware raid of two sdd drives. It seems to be properly recongnized everywhere and I can mount it manually and use it without any problem. The issue is that when I add it to the /etc/fstab My system do not start anymore cleanly.
I get the following error( part of the journalctl messages) :
Jan 12 17:16:21 biophys02.phys.tut.fi systemd[1]: Found device /dev/md126p1.
Jan 12 17:16:21 biophys02.phys.tut.fi systemd[1]: Starting File System Check on /dev/md126p1...
Jan 12 17:16:21 biophys02.phys.tut.fi systemd-fsck[523]: /dev/md126p1 is in use. <--------------------- THIS ERROR
Jan 12 17:16:21 biophys02.phys.tut.fi systemd-fsck[523]: e2fsck: Cannot continue, aborting.<----------- THIS ERROR
Jan 12 17:16:21 biophys02.phys.tut.fi systemd-fsck[523]: fsck failed with error code 8.
Jan 12 17:16:21 biophys02.phys.tut.fi systemd-fsck[523]: Ignoring error.
Jan 12 17:16:22 biophys02.phys.tut.fi systemd[1]: Started File System Check on /dev/md126p1.
Jan 12 17:16:22 biophys02.phys.tut.fi systemd[1]: Mounting /home1...
Jan 12 17:16:22 biophys02.phys.tut.fi mount[530]: mount: /dev/md126p1 is already mounted or /home1 busy
Jan 12 17:16:22 biophys02.phys.tut.fi systemd[1]: home1.mount mount process exited, code=exited status=32
Jan 12 17:16:22 biophys02.phys.tut.fi systemd[1]: Failed to mount /home1.
Jan 12 17:16:22 biophys02.phys.tut.fi systemd[1]: Dependency failed for Local File Systems.
Does anybody undersand what is going on. Who is mounting the /dev/md126p1 previous the systemd-fsck. This is my /etc/fstab:
# /etc/fstab: static file system information
# <file system> <dir> <type> <options> <dump> <pass>
# /dev/sda1
UUID=4d9f4374-fe4e-4606-8ee9-53bc410b74b9 / ext4 rw,relatime,data=ordered 0 1
#home raid 0
/dev/md126p1 /home1 ext4 rw,relatime,data=ordered 0 1
The issue is that after the error I'm droped to the emergency mode console and just pressing cantrol+D to continues boots the system and the mount point seems okay. This is the output of 'system show home1.mount':
Id=home1.mount
Names=home1.mount
Requires=systemd-journald.socket [email protected] -.mount
Wants=local-fs-pre.target
BindsTo=dev-md126p1.device
RequiredBy=local-fs.target
WantedBy=dev-md126p1.device
Conflicts=umount.target
Before=umount.target local-fs.target
After=local-fs-pre.target systemd-journald.socket dev-md126p1.device [email protected] -.mount
Description=/home1
LoadState=loaded
ActiveState=active
SubState=mounted
FragmentPath=/run/systemd/generator/home1.mount
SourcePath=/etc/fstab
InactiveExitTimestamp=Sat, 2013-01-12 17:18:27 EET
InactiveExitTimestampMonotonic=130570087
ActiveEnterTimestamp=Sat, 2013-01-12 17:18:27 EET
ActiveEnterTimestampMonotonic=130631572
ActiveExitTimestampMonotonic=0
InactiveEnterTimestamp=Sat, 2013-01-12 17:16:22 EET
InactiveEnterTimestampMonotonic=4976341
CanStart=yes
CanStop=yes
CanReload=yes
CanIsolate=no
StopWhenUnneeded=no
RefuseManualStart=no
RefuseManualStop=no
AllowIsolate=no
DefaultDependencies=no
OnFailureIsolate=no
IgnoreOnIsolate=yes
IgnoreOnSnapshot=no
DefaultControlGroup=name=systemd:/system/home1.mount
ControlGroup=cpu:/system/home1.mount name=systemd:/system/home1.mount
NeedDaemonReload=no
JobTimeoutUSec=0
ConditionTimestamp=Sat, 2013-01-12 17:18:27 EET
ConditionTimestampMonotonic=130543582
ConditionResult=yes
Where=/home1
What=/dev/md126p1
Options=rw,relatime,rw,stripe=64,data=ordered
Type=ext4
TimeoutUSec=1min 30s
ExecMount={ path=/bin/mount ; argv[]=/bin/mount /dev/md126p1 /home1 -t ext4 -o rw,relatime,data=ordered ; ignore_errors=no ; start_time=[Sat, 2013-01-12 17:18:27 EET] ; stop_time=[Sat, 2013-
ControlPID=0
DirectoryMode=0755
Result=success
UMask=0022
LimitCPU=18446744073709551615
LimitFSIZE=18446744073709551615
LimitDATA=18446744073709551615
LimitSTACK=18446744073709551615
LimitCORE=18446744073709551615
LimitRSS=18446744073709551615
LimitNOFILE=4096
LimitAS=18446744073709551615
LimitNPROC=1031306
LimitMEMLOCK=65536
LimitLOCKS=18446744073709551615
LimitSIGPENDING=1031306
LimitMSGQUEUE=819200
LimitNICE=0
LimitRTPRIO=0
LimitRTTIME=18446744073709551615
OOMScoreAdjust=0
Nice=0
IOScheduling=0
CPUSchedulingPolicy=0
CPUSchedulingPriority=0
TimerSlackNSec=50000
CPUSchedulingResetOnFork=no
NonBlocking=no
StandardInput=null
StandardOutput=journal
StandardError=inherit
TTYReset=no
TTYVHangup=no
TTYVTDisallocate=no
SyslogPriority=30
SyslogLevelPrefix=yes
SecureBits=0
CapabilityBoundingSet=18446744073709551615
MountFlags=0
PrivateTmp=no
PrivateNetwork=no
SameProcessGroup=yes
ControlGroupModify=no
ControlGroupPersistent=no
IgnoreSIGPIPE=yes
NoNewPrivileges=no
KillMode=control-group
KillSignal=15
SendSIGKILL=yes
Last edited by hseara (2013-01-13 19:31:00)

Hi Hatter, I'm a little confused about your statement not to use raid right now. I'm new to the Mac, awaiting the imminent delivery of my first Mac Pro Quad core with 1tb RAID10 setup. As far as I know, it's software raid, not the raid card (pricey!). My past understanding about raid10 on any system is that it offers you the best combination for speed and safety (backups) since the drives are a striped and mirrored, one drive dies, quick replacement and you're up and running a ton quicker than if you had gone RAID5 (20 mins writes per 5G data?)Or were you suggesting not to do raid with the raid card..?
I do plan to use an external drive for archival backups of settings, setups etc, because as we all know, if the best fool proof plans can be kicked in the knees by Murhpy.
My rig is destined to be my video editing machine so the combo of Quad core, 4G+ memory and Raid10 should make this quite the machine.. but I'm curious why you wouldn't suggest raid..
And if you could explain this one: I see in the forums a lot of people are running Bootcamp Parralels(sp) which I assume is what you use to run mulitple OS on your Mac systems so that you can run MacOS and Windblows on the same machine.. but why is everyone leaning towards Vista when thems of us on Windblows are trying to avoid it like the plague? I've already dumped Vista from two PCs and installed XP for a quicker less bloated PC. Is vista the only MSOS that will co-exist with Mac systems? Just curious..
Thanks in advance.. Good Holidays

Updating a Hardware RAID array

I'm running a recent Mac Pro model with Hardware RAID and four 1TB SATA drives.
Seagate 1.5TB drives are now available, and they're cheaper than the 1TB drives were just a few months ago.
My Infrant/Netgear ReadyNAS NV+ implements a proprietary form of RAID that they called X-RAID, similar to RAID-5 but with the feature that you can swap larger drives into the array one at a time, and when you're done, the RAID will be re-synced to make use of the additional storage without requiring that you dump and restore the contents of the array. The final re-sync is an admittedly long process (it took three days for mine to update from 4x750GB to 4x1TB) but it's still a very convenient feature.
Does Hardware RAID on Mac OS X have anything like this, i.e. can I replace 1TB drives one at a time with 1.5TB drives and preserve my data? And when I'm done, will the system recognize and use the new storage?
If not, could someone please describe the procedure that I would need to go through in order to achieve this? I presume that I would need to recreate the RAID array entirely, re-install the OS, and then restore the system from my Time Machine backup. But I'm not sure of the details.
I'd appreciate any help with this. Thanks.
An aside: I was more than a little upset a few months ago when I called Apple Support for help with initial setup of my RAID array (I have Apple Care) and was told "Sorry, we don't support Hardware RAID." So Apple was quite happy to sell me an $800 piece of hardware for my lavish new system but didn't bother to tell me at time of purchase that my configuration was "unsupported." It seems a little outrageous to me.
Given Apple's refusal to help me I need to ask the community for help with problems like this.

Hi rrgomes;
Never having heard of X-RAID but going by your comment that is similar to RAID5 I would have to say that you will not be able to upgrade by replacing one disk at a time.
As to no support for the RAID card, I personally would not have taken his word for that. Instead I would have escalated it up through Customer Service just to be sure before I gave up on that point. To me the response you got there sounds bogus.
Allan

Partitoning a Hardware Raid

OK, I have already searched the net to no avail, im hoping someone here will be able to help me.
I currently have an external 300gb HD with 2 partitions, one is a bootable backup and the other is storage. I have recently realized that if this drive were to fail I would lose a ton of important data. I therefore have decided to create a raid setup. I am considering purchasing a Buffalo DriveStation Duo with 2 500GB drives in it. I would set this up in a RAID 1 array so I will have 500gb of usable space with a constant mirror image backup. My question is, can I partion the RAID into 2 partitions (as I have now with my 300 gb drive) one for a bootable backup and one for storage and still maintain the mirroring. In essence I want to have 1 drive with 2 partitions on it, and have the drive still be mirrored to the second drive.
First-Is this possible?
Second-Will I still be able to boot from the boot partition?
Three-If so, can having more than one partition on a raid create problems, such as increased disk failure, slower speeds, etc?
Thanks in advance to anyone that can help me with this!

Well, the reason that I wanted to do this raid array is because I store allot of files on my external drive that are not on my internal drive, therefore if my external drive were to fail my files would be gone for good. I also keep a bootable backup that I constantly recreate on a seperate partition of the external drive. I thought if I create the RAID then I would avoid loss of data in the event of a disk failure.
As far as using my current drive, I was going to upgrade the amount of storage that I had and set up the raid system at the same time, If I buy 2 500gb drives I will have 500gb of usable space instead of 300gb.
I am however unfamilier with OS X RAID software, is this the same as a "software raid" as I have heard that a software raid is much slower than a hardware raid because it uses you computers processer to mirror data rather than using a raid card in the enclosure.
As for cost, I can buy this drive station duo (does raid 0 and 1, has firewire 800, 400, and usb, and an internal hardware raid) with 2 preinstalled 500gb sata drives for $300. I thought that this was a pretty good price for what I am getting but I am very uneducated in all of this and could be very wrong.
If, like you said earlier, I can partiton the drives and then create a raid (with the harware raid and not need a "dual raid card" or whatever) I would do that. Are you saying that I would only be able to have the 2 raids required if I use the OS X software.
I guess my questions boil down to this
1. Is the OS X raid software considered a "software raid" and is it slower than a hardware raid? If so, by how much?
2. If its not any slower, What materials would you recomend to build this considereing I want 500gb of usable space rather than the old 300gb?
Also, if its not slower where is this software in the OS, Disk Utility? And how would I use it?
3. If this software way is slower then I would still want to use the hardware method that I have been pursuing, can I still make the partitions in advance and then make 2 raids or will this not work with the hardware method?

PCI ATA 66 Hardware RAID, follow up.

http://discussions.apple.com/thread.jspa?threadID=1015242&tstart=0
Just to recap, the problem that I was having in this archived post booting OS X from my 120GB+120GB hardware PCI ATA66 RAID0 drive, was in fact due to the <8GB partition limitation. XPostFacto doesn't enforce this on the PCI card, and it worked for a while with no helper, until after the 10.4.10 software update, which must have written some files past the 8GB portion of the drive. I can now still boot from my hardware RAID, I just have to use a helper in XPostFacto, like if you were booting a FW drive.

Just to clarify, I was talking about the ACARD ATA66RAID hardware RAID card, it works in OS9 or OSX, when you set the dip switch on the card to RAID 0 striping, the OS sees it as large SCSI drive, and you can optionally install the OS 9 drivers with Disk Utility in OS X, or initialize it in OS 9 with Drive Setup. First you have to initialize each drive individually in normal mode before setting the striping switch. Booting OS 9 has a volume size limitation, though, (<190GB or 200GB, not sure exactly) and my 120GB+120GB volume exceeds that.
I am using two individually cabled Master drives, I think you can also stripe two Slaves with this card, so then you could set up a software mirrored RAID with the two striped RAIDS, there's just not any more room in the G3 Desktop for any more drives though.
Probably not too many folks use those cards, the ACARD 6860M, they were a lot more expensive when they first came out, but you might find a good deal on one now. You can probably get better i/o peformance and larger max drive size from ATA-100, ATA-133 or SATA PCI cards, not sure of the latest price comparison on those.
From memory, the built-in ATA gets around 16MB/sec, the PCI66 can get around 40MB/sec and so can external FW, the ATA66RAID can get up to 60MB/sec. There's lots of variation in those numbers depending on usage. Not sure what numbers you get with ATA 100/133/SATA...those are also more $$$.

RAID Problems: ESXI 5.5 on TD340 Server

Hello all, I am trying to set up a very simple (relative to ESXi) installation of ESXi 5.5 on a single Lenovo TD340 server. The problem I am encountering is that, though ESXi will install, it proceeds to fail to boot. My specs are as follows: RAID 0 (yep, you read that right. Single 2TB SAS hard drive, not going to be used in a production enterprise environment)56 GB of RAMESXi 5.5, ESXi 5.5U1, and ESXi 5.5U2 are all availableLSI MegaRAID Software RAID BIOS Version SCU.1108131348RWhen I insert the ESXi installation CD, it reads the hard drive with no problem and all of the RAM as well. In fact, it installs without a hitch whatsoever. The problem occurs upon reboot, when it actually seems to completely lose the previously configured RAID 0 virtual disk. The hard disk is still seen as plugged in but as if there was never any configuration made; the drive basically becomes unbootable. I have used the Easy Setup CD and noticed that it lists the LSI OB SAS Raid 300 controller as being unsupported for ESXi 5.5. Is this the root of my problem? Is there a way to fix this? For instance:
Would this driver solve my problem with a custom ESXi CD?
LSI VMware Drivers
Should I just break down and use either a USB drive to boot ESXi or install a SATA hard drive? Any insight would be greatly appreciated. Thanks!

vcwise-zach,
I apologize for the issues you are having running VMware. You are seeing this problem because VMware does not support on-board RAID.. VMware states in their documentation that if you require a RAID setup, that you must use a discreet / hardware RAID controller from LSI or Adaptec, etc.
There is a post in the VMware community regarding this as well as documentation from VMware itself which states which hardware is required if you choose to use VMware in a RAID configuration.

Using a Mac Pro w / Apple Internal Hardware RAID Card?

Anyone using a Mac Pro with a Apple Hardware RAID Card 2010?
( I have a 12 Core )
Is it worth the $600-700 ?
How much faster than the software RAID 0?
I see Hamm's RAID tips chart .. but it doesn't include such options .. plus it is based on a PC system.
Any tips would be great ..
I find many areas where the application is slow / unresponsive .. and I'm not sure where the bottleneck is ... Maybe the hardware RAID will solve it?
I'm really am impressed with CS5 .. it would be even better with some adjustments .. but I am absolutely disappointed with sluggish performance on my top-of-the-line Mac Pro 12 Core.
This is not what I expected for a $8,000 machine.
Some users says that the port of CS5 for the Mac has taken a back seat to the Windows version at Adobe.
I can't imagine that Adobe would not put 100% effort into Mac products.
Go Team!!!

I have a 2009 Mac Pro 3.33GHz Quad core w/ Apple RAID card, 16GB RAM from OWC, and Apple's Radeon HD 5870 GPU.
I have RAID 0 set across 3x1TB drives internally, and the standard 640GB drive for OSX and all program files. I set all video assets, renders, previews and such on the 3TB RAID.
This seems to work wonderfully. I built this system specifically to edit a feature film shot on P2 DVCProHD, and I've been impressed with how it handles it. This was all built prior to CS5, which took me by surprise. Had I known nVidia would become such a problem for Apple, I would have built a PC, but that's another story.
I just started a new project in CS5 on the same system, this time using H.264 video from my Nikon D7000, and so far, it seems to play just as nicely, despite not having hardware acceleration via CUDA technology. Yellow bars on top, even. I haven't had any problems with clips taking a long time to populate on the timeline or any of that, so perhaps the RAID card helps there.
All this aside, I've already decided to upgrade my RAID for another reason. Right now, my backup is performed via an eSATA-connected external drive through a PCI eSATA card. After every edit session, I dump everything on the RAID onto the external drive, and it goes much faster than the old FW800 transfer used to. I'm about to replace my Apple RAID card with an Areca card and set up a 4-bay RAID 3 via an SAS connection. This will allow for excellent data throughput while offering more security than my current RAID 0 / manual backup system, and free up the internal drives for backups, exports and render files.
I believe in hardware RAID, but I'm not as knowledgeable as Harm and others are about it. I had my Mac built to order with the Apple RAID card, so I have no experience using Premiere with a software RAID. Due to my smooth experience using it, I think it was worth it, but plenty of people say the Apple RAID card is rubbish, and to go with Areca or Atto cards. I didn't know about them until after I built my system, and even though it will cost a couple thousand to upgrade my RAID from this point, I expect to have an even better system than I already have.
I hope this helps, and feel free to ask any questions I didn't address.

Mac Pro small business server; RAID problems

Our company runs on a small network consisting of 8 workstations (iMac's) and 1 dedicated server: a 1,5 year old Mac Pro running OS X Snow Leopard Server. This machine has 2 hard drives of 1TB each, running in a mirrored RAID configuration. This configuration holds the OS X system and the data. Because the hardware RAID was so expensive, I chose the software RAID controller OS X offers instead.
All this ran fine for the first 1,5 years, until yesterday... I ran an OS X update and the Mac Pro needed to restart after that. After the machine rebooted, I got a gray screen with the blinking folder-with-questionmark icon telling me no bootable drive could be found. I tried booting from the install DVD and that worked, but after I started DiskUtility to check the hard drive for errors the computer did not find any hard drives, only the DVD. Luckily I made a backup (clone) to an external Firewire drive just before the update and at this moment the server is running from this backup, so no harm done.
How can I solve this problem? Why can't my Mac Pro find it's drives? Is it possible to circumvent the RAID software and boot from one of the two disks or are they formatted in a special way?
My second question is on how to prevent this in the future. I still think the Mac Pro RAID controller is way too expensive, but I read that it's not that smart to use (software) RAID as a bootable drive (of a server). Because of this, I am looking at external options, like the SmartStor NSx600 Series through Firewire. Could this be a better way to go then the software RAID OS X offers or does this external solution have other disadvantages? (speed? reliability?)
Thanks in advance for your input!
Mario van Ginneken

Who is your ISP...?
What is the ip address of the modem..?
What is the ip address of the router..?
Where is the switch and server connected...?
What is the ip address of the server...?
How you are able to see the Wireless network if you have disabled the SSID broadcast on the router..?Re-check the settings on the router.

X2100 hardware RAID support

Got a new X2100 server with two SATA disks.
I upgraded the BIOS using the Supplemental 1.1 disk. The BIOS revision reported is now 1.0.3.
Have defined a hardware RAID mirror of two SATA disks using the BIOS utility. Looks Ok and is reported as "Healty Mirror" when the machine is turned on.
If I boot Fedora Core 4 (which is not officially supported by Sun) I see two disks instead of one as expected.
If I boot Solaris 10 1/96 (which IS supported) then no disks are found!
So my question is: Does anyone know if the HW RAID system on the X2100 is supported at all? And if it is, how?

Have you looked the procedure in this manual?
http://www.sun.com/products-n-solutions/hardware/docs/html/8 19-3720-11/Chap2.html
Also there seems to be a lack of drivers available with some operating systems ( W2003 ) on the X2100, this could be the case with FC4 ( although I use FC4 on a notebook and it seems very close to RHEL 4, but without RHEL graphics, clustering and other tools ). In the InfoDoc section of the spectrum handbook for the X2100, there is a document that discusses configuring SVM on x64 systems, at the begining the author recommends using the hardware RAID utility, this may suggest that it is supported. You should take a look through the system documentation to see if you have missed something, I'd be interested to know if you set the BIOS up for the various OS types!

P6N Hardware raid problems (sata 6,7)

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