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Questions tagged [hardware-raid]

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.

693 questions
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Monitoring hardware RAID on VMWare ESXi

I've got an ESXi 3.5 server on "unsupported" hardware - SuperMicro motherboard, Adaptec 9410 3405 RAID controller (oops, the 9410 is the onboard controller that's not being used for RAID) - and I'm starting to wonder what the point of RAID is,…
Andrew
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RAID with different drive types possible?

In a high density storage server, which is in a RAID array, do all drives have to be of same type. Such as a mix of drives SSD, SATA? In a RAID array most controller require only that all drives be of the same capacity but what about drive type?
Slartibartfast
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HP smart array p212 raid controller. Only two arrays possible? because of missing RAM on raid card?

I bought a HP Proliant gen8 microserver. In it I installed 1 * 500GB SSD connected to SATA port 5 as a bootable disk and 4 * 3TB HDD connected to a HP smart array p212. What I would like to do is create 1 array using HDD 1 and 2 as a RAID 1…
tinus087
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RAID controller overheats in certain cases

I've been having problems with my builds' RAID controller overheating. I found that the case is to blame, but I can't figure out how and why it would do that. I used to use 4U CompuCase RA455A00 for client's server builds but apparently, they're…
Eyzi
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Can I stripe 2 volumes on the operating system drive?

I'm new to system administration and I'm not really sure if this is possible. Our server supports up to 4 x 2 TB drives. We need a drive larger than 2TB for a particular use. We also need redundancy in the case of hard drive failure. We thought,…
Adam
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Install of H700 controller in dell R610

We have just brought a refurbished dell R610 2 X 6 Core X5650, 96G Ram, SAS 6ir Raid Controller, 2 X Fujitsu MBC2073RC 2.5-Inch 15K 73GB SAS Hard Drive. We are going to also be installing additional drives: 2 X Intel 730 2.5-Inch 480 GB SSD's…
sysjas
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How does LSI MegaRAID actually lay out RAID10 sets?

I'm trying to set up a RAID10 set on an LSI MegaRAID controller. It is unclear to me how the RAID controller will actually lay out the RAID set on the physical drives. Part of the problem is that MegaRAID seems to use terms very inconsistently; the…
wfaulk
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HP ProLiant MicroServer Gen 8 - Hard Drive Configuration?

I have a HP ProLiant MicroServer Gen 8 box. I installed a 4tb drive and created a simple array. The raid controller saw the entire drive. I then used IP 6.1 to install Windows Server 2012 Standard. IP only created a 2TB partition. I though no big…
DevNULL
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How to update SSD Firmware on RAID Controllers

Got some servers with RAID Controllers and SSD. Raid Controller: LSI MegaRaid 9271-4i SSD: Intel 520 The MegaRaid controllers have the ability to update drive firmware using MegaCLI. Intel for example only offers a Firmware Update Tool, and not…
MichelZ
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SAS internal cable compatability

In the office, we've elected to whitebox go with a commodity approach to a certain class of server we'll eventually need a lot of. It's time to consider picking up a few more. It has been a year since the last time we did this, so I'm looking to…
Blue Warrior NFB
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Poweredge RAID Monitoring and Debian

What tools do you use to monitor hardware RAID Status on Dell Poweredge 2950 (II and III, perc)? I run Debian. I've used a "debianized" version of dell openmanage in the past. I'm looking for a lightweight solution and (if possible) something…
Matthieu
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Extend RAID 1 (HP SmartArray P410i) running Linux

I took over a fairly simple server setup with the following RAID 1 config running Ubuntu 11.10 (Kernel 3.0.0-12-server x86_64): => ctrl all show config Smart Array P410i in Slot 0 (Embedded) (sn: removed) array A (SAS, Unused Space: 1335535…
Oliver
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what harm can writeback caching have on a degraded disk array?

At work I administer several machines using (real) hardware raid controllers (with battery backed write caches), and these have the nasty habit of falling back to writethrough behaviour when an array becomes degraded due to a disk failure. I cannot…
jap
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linux hardware raid 10 / lvm / virtual machine partition alignment and filesystem optimization

I've been reading everything I can find about partition alignment and filesystem optimization (ext4 and xfs) but still don't know enough to be confident in setting up my current configuration. My remaining confusion comes from the LVM layer and if…
Jason Ward
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Possible to migrate RAID 10 system from 2TB Seagate to 2TB WD?

A couple of our servers have ST32000641AS (2TB Seagate desktop drives) in RAID 10 using an Adaptec 2405 controller. I've been told by Adaptec that this is a bad idea and we have, in fact, already seen one raid system go down using these drives. …
Curtis
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