Redundant array of independent/inexpensive disks; a technology which utilizes multiple disks to provide increased reliability, performance, and/or redundancy. Can be implemented either in software or with a hardware controller.

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HighPoint RocketStor 6414VS always has one blue light on

I recently replaced my SI3132r5 RAID with the HighPoint RocketStor 6414VS system. On the front of the HP enclosure, there is a green light and a blue light for each drive. The green shows continuity, ...
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16 views

Raid 1 size issues

I have 2 Seagate ST2000DM001 2TB SATA III, running in RAID 1, but the drives are showing different usage sizes 1 = 1.02TB of 1.80TB, and the other 2= 1.29TB of 1.80TB, what would cause this?
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24 views

Is mixing software RAID disks across SATA and eSATA going to have any issues?

I have two eSATA drives running successfully in a software RAID on CentOS. I would like to make this a three disk mirror RAID by adding the third drive from the internal SATA drive. Are there any ...
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1answer
3k views

Nvidia nforce's hardware RAID on linux?

A very simple question to which I couldn't find an answer: I'm about to buy a motherboard equipped with nvidia's nforce 720D chipset, which allows RAID 0/1/5/10/jbod, but I couldn't find out if this ...
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2answers
979 views

Does TRIM work under Windows 7 using NForce Raid and SSD drives?

I can't seem to find a straight answer. I've got a motherboard with an Nvidia 780SLI chipset. I've installed the latest Nforce RAID drivers, and installed Windows 7 running on a pair of Crucial C300 ...
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1answer
98 views

Will hard disks go bad if not used? (Not connected)

I have a Seagate hard drive that I purchased in 2011 but not even taken out of its original packaging. This one was to be used as a spare disk, in case one of two similar drives in my RAID enclosure ...
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39 views

AMD RAID 5 not booting after Windows Server 2012 updates

I've recently been working to reconfigure my home server. I decided to setup a RAID 5 for my operating system and virtual machines using my Asus M5A97 R2.0 built in AMD RAID. I was able to setup the ...
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115 views

How do I format a single raid 5 hard drive?

I'd like to know how to format a single former raid 5 hard drive If I boot up without the other raid 5 drives then Windows doesn't see it; it doesn't appear in Disk Management, or whilst booted into ...
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1answer
48 views

RAID array and change PCI-e slot

I have Adaptec RAID card in a PCI-e slot with a working array. However I need to change the PCI-e slot. If I change slot it will destroy my array?
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35 views

Disable RAID in custom kernel?

I need a Gentoo 13 machine to test some software on the platform. I'm not a Gentoo regular, so I'm suffering their procedures. I noticed the kernel spends a couple of seconds booting due to RAID ...
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1answer
7k views

Changing default cache policy online on LSI Megaraid

I am having a RAID 10 with 6 Harddiscs in my server. I had set the default cache policy to write through. After setting up the OS, i came to know the I/O rates are too slow. I read in some forums that ...
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72 views

Can Preload CLI provide same\alternative RAID setup options?

So I access server over supermicro IPMI which does not support USB mouse thus WebBIOS for RAID setup is not an option. Yet "MegaPCLI SAS RAID Management Tool" is an option and I hope alternative. ...
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1answer
85 views

Failover strategies for home server (RAID, gluster, etc.)

I have a Raspberry PI at home, running Raspian and some servers like Apache, MySQL and ssh. The Raspberry is directly connected (LAN) to the home router and to a 2TB external ext4-formatted hard drive....
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0answers
35 views

Replace RAID disk on Supermicro X9SCL/X9SCM after SMART reporting CurrentPendingSector and OfflineUncorrectableSector

I have a Supermicro X9SCL/X9SCM with Ubuntu 14. It has 2 HARDWARE RAIDs (Intel SATA RAID Controller), and one disk of one raid is failing (of primary/boot partition). The SMART monitor is telling me ...
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2answers
7k views

Nvidia RAID 1 Problem. Degraded drives

I had a RAID 1 on my system which has a Gigabyte GA 8N SLİ motherboard with a Nvidia chipset.(Nvidia Raid IDE ROM BIOS 4.84) When the system was working probably there used to be an icon on the ...
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1answer
155 views

Acer Aspire S7-391: No bootable device

After fixing the motherboard of my Acer Aspire S7-391 i tried to boot it from the stock SSD. However, i get a screen which lists the details of RAID Volume and Physical Devices. The last line says "...
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2answers
13k views

SD Card RAID System

Is it possible to setup a RAID system with SD-cards? Of course, the system would work better if all of the cards are exactly the same. If it is possible, can all or most operating systems handle this ...
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1answer
73 views

Building a 4TB raid-1 with WIndows 10

I have two 4TB brand new SHDD built as a Raid-1 array on an (old) nVidia Raid controller. After having upgraded the Bios, the 4TB drives are recognized as such by the Raid Bios, and I can create a ...
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3answers
400 views

Two SATA 2TB drives in RAID-1 configuration; only one 6.0gb/s port open

Here's the scenario: I am building a computer that will act as a network storage device for local networked users, and a source code repository and backup device for remote users. The machine will ...
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0answers
25 views

Software or Hardware?

Hi guys i have a Server 2008 R2 thats a supermicro Duel Xeon 1366 box 12gb DDR3, that i use for file storage and WDS and little Vmware Workstation 12 stuff.. The issue am having its loaded with 2 ...
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0answers
41 views

RAID 0 random read speed did not scale with the number of disks

I did some RAID 0 performanace test On Dell PowerEdge 730xd.Info of the server is as follows: OS:CentOS 6.7 Memeory:32 GB RAID controller:PERC H730P Mini (Embedded) The command I used to test is ...
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1answer
809 views

Large File Copy Freeze, Hardware Setup

My computer is home built with the following components: BIOSTAR A780G M2+ SE AM2+/AM2 AMD 780G Micro ATX AMD Motherboard AMD 64 X2 6000 Kingston HyperX 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (...
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3answers
3k views

New motherboard or new PC to gain access to RAID drives

I have a PC that refuses to boot. I have 4 disk drives on a RAID array (RAID 0, or possibly 1), that is provided by my motherboard. I have 1 primary HD, and an extra 4 for the RAID. I want to recover ...
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0answers
42 views

List missing files on a degraded read-only btrfs mount

I have a btrfs filesystem spanning 3 drives. The metadata is using raid1 (mirroring), but the data is using single, so no mirroring or parity just spanning. For example: mkfs.btrfs -m raid1 -d single ...
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1answer
179 views

Will a Win7 RAID drop less than a fakeraid?

Up till recently I was using a 5 disk, 2TB, Raid-0 without any problems. However I added another drive bringing it up to 6 disks. Now the Raid drops and I have to reboot Windows to get it back. This ...
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0answers
13 views

Which hard disk should I put on SATA3, the one with the OS or the one with applications?

I bought 2 new SSD disks to put in RAID0 on my desktop computer. While installing them, I found out I have only 2 SATA3 ports. So, I have to choose whether to put the SSD with Windows 10 on sata3 or ...
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1answer
637 views

Strange performance from RAID5 using WD RE4 disks

I've noticed a bit of a performance issue with some WD RE4 drives I'm using under AMD's hardware RAID solution. First a bit of background: Environment: Windows 7 home premium x64 HDD's: 3x 1TB WD ...
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0answers
2k views

Disable RAID to JBOD in server IBM x3400 M2

Hi I just wanna disable the default RAID in my server IBM System X3400 M2 Server(7837-24X),i have 3 disk drives SAS. I want to make them a JBOD "Just a Bunch Of Disks", because I want to install in ...
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0answers
98 views

File/folder or program (SQL data) access becomes slow in network from the server- network connectivity issues in the newly upgraded server

Info: New server configuration is as follows Server chassis: CHENBRO CHASIS Model: RM-41416B Motherboard: Intel Server board S2600CP4 Processor: Intel XEON E5-2630 V2 (Single CPU) RAM: 8GB RAM ...
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0answers
79 views

IBM x3850 m2 megaraid not showing physical drives

I have this IBM x3850 m2 with 2 physical drives installed but when I go to megaraid it doesn't show any of the physical drives So I can't build a virtual drive to install the OS What I have tried ...
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0answers
16 views

disable driver signature check while installing windows 7 [duplicate]

is there any possibility where i can disable the default driver signature check while WINDOWS 7 Instalation?. My problem is that: i had bought an asus mobo with inbuilt AMD raid card and i want to ...
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1answer
109 views

SSD Cache/Buffer for HDD RAID

I have three 3TB 5400rpm HDD's running on RAID 5 in my Ubuntu server VM as my NAS. I recently just hooked up this NAS Server directly to my Desktop via 10GB Ethernet cards and fiber optic cable (...
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0answers
14 views

Configure Centos external raid drive on restart

I am using Centos 7 with an external file server attached. After determining the drive name with "fdisk -l" I edited the /etc/fstab file so that the drive can be mounted: # Add the file server /dev/...
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21 views

Multiple HDDs hanging constantly

I have an AMD Windows 7 system which has its OS on an SSD, and until previously had a single 4TB HDD as a data drive. I never had an issue with that drive until I installed a second 4TB drive and put ...
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0answers
40 views

Toshiba hard disk write rates don't seem to be ok

I bought every component of my computer independently, I have a Toshiba (500 GB, SATA III) hard disk. Every part of the PC is working fine, also, RAM usage is right and CPU usage is perfect. I was ...
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1answer
152 views

UEFI and RAID on disks above 2.2TB [AsRock Z97 Extreme6]

I have followed steps from the AsRock Z97 Extreme6 manual how to create RAID on disks above 2.2TB (manual says to use UEFI configuration instead Intel legacy RAID BIOS). In few words what I have ...
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218 views

Installing Centos 7 with Dell Poweredge 1800 with PERC4/SE RAID

I have a Dell PE 1800 with Perc4/SE controller - 5 SCSI drives. I need to install Centos 7 x64. Centos 6.7 x64 installs fine, but the RAID drivers have been removed from Centos 7. I need Centos 7, ...
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4answers
24k views

Which SATA operation mode for SATA III SSD in laptop?

Which is the best setting in BIOS for SATA operation mode for a laptop to connect SATA III based fast SSD drive, and why? ATA AHCI RAID On (Intel Rapid Storage) There will be no RAID set in system ...
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0answers
10 views

How to replace drive in RAID1 with SAS 6 Util without losing existing data?

The machine in question is an older Dell Precision T7400 which had 2 1TB drives configured as RAID1. When a problem was suspected with a drive, I entered the BIOS-level config utility (v6.14.10.10) ...
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1answer
41 views

SSD failed, mdadm thinks the RAID0 array is fine

I have a RAID0 array created using mdadm in Debian. sdf is the drive that died. $ cat /proc/mdstat md4 : active raid0 sdf1[1] sde1[0] 468859904 blocks super 1.2 512k chunks $ mdadm --misc --...
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1answer
421 views

Dell Poweredge SC1435 Hard-Disk failover…what is that?

I don't think this server has RAID...or does it? In the BIOS you have an option for Hard Disk Failover...what does that do? Is that RAID1? Does anyone have any ideas on this one? There is no RAID ...
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0answers
45 views

Windows 7 36TB RAID6 — “The system cannot find the file specified”

I am doing a RAID upgrade project, installing an 8x6TB (36TB effective size) RAID6 array using an Areca ARC-1222 controller, and then transferring data from an older 8x3TB (12TB effective size) RAID10 ...
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1answer
79 views

Is a RAID1 (mirror) with 2 x 4TB drives and ZFS (through freenas) okay?

I'm looking to create a freenas RAID1 using two 4TB drives. It's going to be my primary location for a generic backup location (use rsnapshot for local files and keeping computer dd'd images) and I'...
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1answer
29 views

Raid 0 with mixed drives

I have following 7 physical drives When trying to create RAID0 It shows the total capacity as 237.2 instead of 365.2 So is there any RAID configuration where I can have a single volume spanning ...
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39 views

Dual-booting OS with a shared RAID array

Hardware: ASRock H97M-ITX/ac motherboard Two 4TB hard drives One 120GB SSD So here's what I'm trying to do. I want to run my two hard drives in RAID 1 through the motherboard's hardware RAID, purely ...
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2answers
55 views

Why aren't nested raids more common in home systems?

I never even knew this existed until now. But I know a lot of people have raid configurations at home, usually raid 0 for performance. Well my question is why aren't nested raids the suggested ...
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2answers
8k views

Solid State Drive Occasionally Freezes For A Minute While OS Is “Beach Balling”

Almost a month ago I bought Intel 330 128GB solid state drive, migrated my data with Intel branded limited-feature Acronis from old HDD to new SSD, optimized with Intel Toolbox and started using it. ...
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2answers
1k views

How to remove RAID flag on unstriped drive without losing data?

I have a Gigabyte Z68X-UD4-B3 motherboard. It advertises this new thing called "XHD", which is like RAID but makes a SSD and traditional-style drive work together to enable high speed with high ...
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1answer
419 views

Intel Rapid Storage Technology missing drives when trying to create a new volume

I had 2 non-bootable HDDs in a RAID 1 configuration through Intel Rapid Storage Technology. Recently IRST started giving out warnings about the S.M.A.R.T. data of one of the drives so I decided to ...
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1answer
775 views

Intel Rapid Storage RAID 5 error, “Missing Drive”

Just recently I purchased a new motherboard for my PC due to the fact I had a motherboard with the defective 67 Intel chipset. The reason I bought the new motherboard was because I started getting ...