RAID solution with hardware assistance. RAID parity calculations can be performed by either the main CPU, or by a separate processor on the RAID controller card.
Questions tagged [hardware-raid]
693 questions
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moving raid 10 to another identical server both on Smart Array 6i controllers
I have dead HP DL 380G4 with RAID 1+0 with 1 logical volume from 4x72GB drives on built-in Smart Array 6i 128Mb BBWC. It was shut down properly. It seems it was usual death for Proliant with ILO led 2,3,8 lighting. I want to move array to another…

SalimQrdl
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Manually recovering a RAID5 array, how to approach?
Basic situation:
I'm looking to manually reconstruct a RAID5 array for which the controller has lost the configuration. To complicate matters, the volume is encrypted with full disk encryption (to which I have the key, at least), and the RAID card…

HopelessN00b
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Adaptec 2405 "Knight Rider" LEDs - fault?
I have an Adaptec 2405 installed on ESXi 5.0. When the card is idle, it flashes the red LEDs back and forth, Knight Rider -style, just like this video. Is this normal, or is this a fault? I have dug everywhere through the manuals and can't seem to…

Jonathon Reinhart
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Replace a 3.5" hard drive in a RAID 5 array with an SSD?
With a 3ware 9650SE on Debian 6, can I replace a drive in a RAID 5 array with an SSD? The goal would be to eventually replace each 3.5" hard drive in the array with SSDs. Is there anything I should know about attempting something like this? Any…

harmonic
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Monitor LSI 3ware raid controller on ESXi
This concerns a server that runs ESXi (v. 4.x or 5.x) installed on drives that are configured into a raid10 using an LSI 3ware 97050 raid controller.
I would like to know if there is a way to monitor the LSI 3ware series of controllers, in…

aseq
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Megaware Raid 10
I have 22 disks and would like to create a Raid 10. Unfortunately my raid controller (MegaRAID SAS 9260-8i) is only capable to handle 8 arrays within a RAID 10. Because of that I could only use 16 disks in a 2 disks per array configuration. I've…

Philip
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Can I mix SAS and SATA2 drives on one controller?
I've read here that I can't mix SAS and SATA2 drives on the same controller - is that really true? I understand I shouldn't mix on the same channel, but the same card!?
For example, when I plug my 6-drive backplane (IBM x3650-7979) via SFF-8087…

isync
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"Transparent" SATA RAID Controllers
I'm looking for a true hardware SATA RAID controller that can do levels 0, 1, and 5 and is, for a lack of a better term, "transparent" to the OS in that it requires no software drivers whatsoever. Does such a beast exist? If so I would appreciate…

SiegeX
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RAID controller question: NVDIMM or not?
I am in the market for a new RAID controller for a Dell server, and I have a choice between "PERC H700 512mb Cache" and "PERC H700 512mb NVDIMM Cache". There is a $200 difference between the 2 cards, can anyone recommend either one? Is the second…

Jon Tackabury
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How do I configure hardware raid in a Poweredge 2850?
I just bought a Dell Poweredge 2850 from Craigslist and for the most part I'm happy with it's $300 price-tag, but I cannot figure out where to configure the embedded hardware raid...
I've seen online you should hit , but while booting my box…

Eric Fossum
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2x SSD's in RAID1 for MySQL server
I'm in need to upgrade my MySQL machine, as currently I am running 2x SATA 7200rpm drives in RAID0. This of course is quite dangerous incase one of the drives fails.
As I do not need too much storage (all my db's together are about 20 - 25gb), I…

Mr.Boon
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Replacing a Hard Disk in RAID 5 Array with Newer Version
Recently, 1 out 4 disks in my RAID 5 array failed. I searched for a replacement part and learned that only a newer version of the hard disk is available. This "newer" version has the exact same specs as it's predecessor. When I called the customer…

Ari
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Replace faulty Dell PERC 5/i controller without losing data
Is it possible to replace a 5/i controller without losing the data on the array? Can I import this as a foreign configuration? Any "gotchas" or tips to make this smoother?

ensnare
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Set device offset in Linux due to failed hardware RAID?
I have a failed hardware RAID card. This card had two drives in a RAID-1 mirror. Plugging one of the drives into the motherboard shows no partition table. Using a program like testdisk, I can see the partition table starts 32 blocks into the…

Aaron C. de Bruyn
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Proliant RAID 1 Rebuild Questions
I have a HP Proliant ML350 G5 server that experienced a power supply failure overnight. The power supply was replaced but unfortunately it got restarted with only 1 disk in the RAID 1 set plugged in. (The raid controller is the build in E200i).
The…

Nicholas
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