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10-09-2012 12:57 PM
10-09-2012 12:57 PM
Hi,
I like to use my hardware with zfs but since zfs has its own raid functionality I'd like to tell the raid controller to show the raw disks to my OS.
Only by removing the logical drives on the controller does not help. I thought there where a firmware bug somewhere so I have updated firmware in places I did not know had firmware(bios, raidctrler, disk enclosure, psu?), but to no avail.
Can someone help me?
My system:
HP ProLiant DL360 G7
HP Smart Array P410
HP Smart Array P812
HP D2000 Disk Enclosures
Solved! Go to Solution.
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10-09-2012 11:03 PM
10-09-2012 11:03 PM
SolutionExcept the smartarray P410 and P411i inside an Integrity server the smartarrays cannot present "raw" disks, but logical drives only.
If you really want to do this, consider to create a RAID0 on each single drive.
I prefer the hardware raids, because it is much easier to handle bad disks.
Hope this helps!
Regards
Torsten.
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10-14-2012 11:49 PM
10-14-2012 11:49 PM
Re: Is it possible to disable raid functionality on a P812 card?
This seems correct as the only solution.
I did try to create a JBOD, thinking it would be a proper JBOD solution(http://en.wikipedia.org/wiki/JBOD#JBOD), but apparently HP is creating a BIG/SPAN logical disk. :(
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10-14-2012 11:53 PM
10-14-2012 11:53 PM
Re: Is it possible to disable raid functionality on a P812 card?
Good for you, to bad we whom like to control our hard drives by software raid solutions(eg. zfs) can't choose to do so easily.
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10-15-2012 05:02 AM
10-15-2012 05:02 AM
Re: Is it possible to disable raid functionality on a P812 card?
The RAID function cannot be disabled on the system you have. You can put each disk in its own array effectively creating many single RIAD 0 logical drives.
For Gen8 servers, the DL 360e and DL 380e models that ship with the B320i or B120i controller can have the RAID function completely disabled.
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10-15-2012 11:19 AM
10-15-2012 11:19 AM
Re: Is it possible to disable raid functionality on a P812 card?
In the past I replaced several SAS disk connected to P400 and P410 smart array controllers under control of LVM or VxVM in 11.31 - it is a real pain.
However, the only workaround is creating a RAID0 on each disk, but in case of a disk swap you not only need to replace the disk, but also re-enable the (destroyed) RAId 0 on this disk, then adjust your software RAID.
Does it make sense or not?
It depends, but you can mirror a disk on controller A to a disk on another controller B this way to have more redundancy.
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
__________________________________________________
No support by private messages. Please ask the forum!
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10-15-2012 11:54 PM
10-15-2012 11:54 PM