RAID stands for Redundant Array of Independent Disks, and is a technology which can provide increased reliability, performance, and/or redundancy by utilizing multiple hard drives simultaneously. RAID can be implemented in a computer via either a hardware or software controller.

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Onboard RAID w/ Recovery

I am looking at purchasing the ASRock Z87 Extreme 6ac and I was unclear on if I should use onboard RAID or a dedicated card. My system will be well enough off that I won't have to worry too much on ...
5
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114 views

Is it safe to “use” to disk if extended smart check is in progress?

As simple as the title suggests. /dev/sda is a unit from /dev/md127 - RAID1 drive. I'm currently running a test - started a smartctl -t long /dev/sda. Afterwards, I started to copy files over ...
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620 views

D-Link DNS-320 Degraded RAID-1 will not rebuild…? any suggestions?

I'm not sure what caused it but it just keeps looping the rebuild process. Gets to 100% of re-syncing and then starts at 0% again... Just interested in a solution but not finding anything with ...
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1answer
116 views

How can I image and restore Windows 7 on a Intel Rapid Storage RAID?

I have some Dell machines using with this card with an 32G SSD and a 2TB HDD. Every live environment I've tried so far has not seen the OS drive. I've tried these: Acronis Clonezilla Ghost Easeus ...
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11 views

Windows 8 RAID 1 - notice but all disk marked as OK [duplicate]

Windows 8 prompt me that raid save error and advise to check HDDs, but all the HDDs are marked as "OK". How could that be possible? Screen are in russian but I hope they are clear. ...
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45 views

Windows 8 RAID 1 - notice but all disk marked as OK

I can't understand it... Windows 8 prompt me that raid save error and adwise to look HDDs But all HDD marked as "OK" what does that mean? Screen are in russian but i hope they should be clear. ...
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1answer
658 views

Software RAID in Debian

I have two internal 4TB hard drives and I've just started using software RAID1 in Debian Wheezy. I have a few questions: 1) During boot, everything passes except I get a message that reads "RAID ...
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205 views

Using GPT but still restricted by the 2.2TB limit

As my other thread (Debian GNU parted) doesn't seem to be getting any responses and my situation has changed considerably, I thought I'd ask a new question. I followed this article: ...
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1answer
194 views

RAID0 SSD performance degredation

I have a computer built to acquire uncompressed 2048 x 2048 16 bit images at 100 frames per second in real time, writing to disk. A RAID0 of SSDs is thus the only option. For the past month or so, ...
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1answer
61 views

Battery test on Areca ARC-1231

I have a system built around an ARC-1231, and since a few days, the battery is always shown as "Charging (96%)". As this looks fishy to me, I'd like to test the battery. As I haven't found anything ...
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3answers
370 views

How to set up a FTP server

I am in need of creating an FTP server that can be accessed across the internet; with a bunch of space. I currently have a computer that I'm considering using, though, if it is not deemed to be good ...
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2answers
117 views

RAID, SSD or alternative software for playing back raw 1080p60 video?

I am a researcher working on video compression. As part of my work I need to play back raw (i.e. not compressed) video at the correct frame rate for participants to view as part of a compression ...
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2answers
175 views

RAID on partitions or devices

I plan to create a software-only Linux MD RAID10 array from two identical 1TB discs (using mdadm). Should I create it directly on the two disc devices (/dev/sda and /dev/sdb) or create a partition in ...
2
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1answer
410 views

Debian root partition greater than 2TB

I have two internal hard drives: a 4TB drive and a 750GB drive. After selecting RAID0 and installing Debian (wheezy) to a single partition, I ran fdisk -l which reported that the size of my root ...
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2answers
61 views

Can I backup multiple hardrives from one computer?

I am looking at setting up a small office with 8 PCs and wanted a cost effective way of securely backing up each and every one of them? I was considering setting up a 9th PC with a RAID controller but ...
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1answer
99 views

btrfs: one whole device + one partition on another device (no data-mirroring), viable?

Currently, /home claims 880G of a 1TB drive. Photos are eating this up quickly, so I want to add a 1TB drive I have lying around to the computer to expand /home. I figured I could use btrfs (I don't ...
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1answer
217 views

Best configuration for 3 256 GB Samsung 840 Pro SSD [closed]

I have 3 256 GB Samsung 840 Pro SSD drives, and was curious what would be the best configuration to put them in for windows 8? I was thinking of using one for the boot drive, one for data, and one for ...
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0answers
38 views

erased md0, md1 and can't recreate them

I previously had a working RAID 1 array. I think as a result of running grub-install /dev/sdb and grub-install /dev/sdc I somehow wiped my computer of md0 and md1. I need to set them up again. When ...
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1answer
153 views

16TB RAID 10 on WIndows XP

We're still running WIN XP Pro and recently purchased a 16TB RAID External Backup solution from Buffalo (it's a DriveStation™ Quad). It has four each 4TB drives currently configured in a RAID 10. ...
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2answers
58 views

Home Backup Storage Configuration

I'm in the planning phase of overhauling backups at home. Currently, I use CrashPlan Free to backup all the machines to an external hard drive on a server running Server 2008R2. Since this external ...
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4answers
6k views

ZFS Beginner Setup with Different Size Drives

Sorry for the noobie questions, I've been Googling all sorts of walkthroughs to create my ZFS raid, but I can't seem to find the correct links for the answers I'm looking for. This is my first ...
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497 views

how to add two disks as raid1 in existing ubuntu 12 server

I have Ubuntu 12 server running on a usb stick. I have one 2tb HD (B) and one 1 TB (C)that I want to configure in a RAID1 configuration. I want to partition the 2 tb drive into 4 equal sized ...
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137 views

How do I assign a JBOD disk to RAID 1 in AMD RAIDXpert?

On motherboards equipped with AMD RAIDXpert, when a RAID 1 configuration fails swapping out the failed drive allowed the computer to boot again, but the new drive was assigned to a singular JBOD ...
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1answer
26 views

Any way to get what is effectively a 4 drive mirror in Windows 7?

I know this doesn't serve that much practical purpose, but I would like to somehow set up a small 400mb partition that is mirrored across 4 drives. I partition using the Disk Management Console, and ...
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40 views

directory level (logical/virtual?) RAID

First off, let me begin by stating that I do not even really know what I am LOOKING for, in terms of keywords to send to google. Therefore, if you can directly answer my question, great; if not, I ...
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1answer
158 views

Windows Software RAID: How can I view the Windows RAID parameters (disk signatures, etc.)?

The software RAID array in my Windows 7 x64 box failed. Drive tests report the drive itself as healthy. Two drives, RAID1 partition and one RAID0 partition. In Disk Manager, the failed drive shows up ...
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1answer
600 views

mdmda raid 1 - spare drive after SATA cable change

Yesterday my hoster changed a SATA cable of one of my hdds, when my server came back up again cat /proc/mdstat showed this Personalities : [raid1] md124 : active raid1 sda1[0] 4193268 blocks ...
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0answers
274 views

RAID 0 (stripe) set can not be booted. `write same failed` error

I have a Dell precision T5400 workstation with a Dell hardware SAS raid controller and 2 SAS drives in striping. Since kernel 3.9 was released I seem to be unable to boot properly and get a "Write ...
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1answer
2k views

Why can't RAID 0 utilise all disk space on two different sized disks?

To quote the Wikipedia article on RAID: A RAID 0 can be created with disks of differing sizes, but the storage space added to the array by each disk is limited to the size of the smallest disk. ...
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1answer
146 views

Can't format hard drives under RAID-1

I have a Gigabyte GA-EP45 extreme, which contains a "Intel Matrix RAID controller". On lspci outputs as: RAID bus controller: Intel Corporation 82801 SATA Controller [RAID mode] I bought two ...
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197 views

Replacing a disk in RAID1 on a mac 10.8 system

What is the proper and safest way for replacing one of the disks in a RAID 1 array (mirrored) on mountain lion? Both disks are currently OK but one of those drives is much older than the other. ...
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1answer
182 views

Documentation for mdadm bad block support

I've read a bit about that mdadm (and the kernel) now have bad block support but I am having a hard time finding any useful documentation on this subject. Is the bad block list for disk X duplicated ...
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2answers
63 views

How to tell RAID setup

One of my colleague's computer broke and they sent me 5 disks. One has the OS and is making the click of death and the others might have been in a RAID configuration. I don't know the RAID ...
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4answers
741 views

RAID 6 that can read with least 1000 Mbit/s?

I purchased a Dell PERC 6/i which I expected to be able to read with 1000 Mbps. There is not much to do now, but there are some things I wanted knowledge about for another time. I have configured it ...
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2answers
5k 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
59 views

How to encrypt 3 drives on linux?

I have 3 x 3TB drives and a linux computer and i want to use the space as "one" drive for music, movies, and pictures (home server). In Addition the stored data should be encrypted. I do not want to ...
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33 views

Progressive upgrade of a RAID array

Our group has a 16 disk backup RAID6 array. Currently, those 16 disks have the following specs; 500 GB 16 and 64MB cache 3 Gb/s SATA I would like to begin upgrading these disks if possible, ...
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4answers
87 views

Can I create a raid with 2 different harddisks? [duplicate]

i got 2 500GB harddrives and would like to set up a raid to avoid data loss. both are from the same vendor but they are not the same model. can i set up a raid or do i need some special hardware for ...
0
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1answer
43 views

How does RAID 1 determine which drive should act as the source for a rebuild?

Here's my scenario -- both drives were working perfectly fine. I removed one of the drives for a while (building a new PC, didn't think I was going to use RAID anymore but changed my mind). I actually ...
0
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1answer
31 views

Checking drive healh of RAID 0 with MOBO built-in RAID

I have the following MOBO: IPMTB-TK (Truckee) motherboard for HP Pavilion Elite HPE-490t. I have 2 WD Blacks in RAID 0 mode. I was wondering if there is a way to view the status of each drive and ...
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1answer
148 views

Should a RAID array of 3x7200 RPM HDDs be able to saturate a gigabit ethernet link?

I have a ZFS RAIDz (RAID5) array of three 7200RPM SATA2 drives in a FreeNAS virtual machine. I have multiple machines connected to this VM over a gigabit network. I'm seeing via bandwidth graphs that ...
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1answer
44 views

Logistics of a large data transfer

This is the setup: I have a Ubuntu server that is doing the heavily lifting. Its pulls backups from an NFS and puts them on a Drobo device connected via USB using rsync. The Drobo has two seperate ...
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1answer
629 views

Can't find drivers for ASUS P5G41T-M LX on Windows 7?

I'm trying to install Windows 7, but stuck on window with message that I need a mass storage driver. But I can't find it at all. Here is my params: ASUS P5G41T-M LX Motherboard Intel(R) G41 ...
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2answers
222 views

How to install windows 2012 drivers for intel ICH8 raid?

I must install windows 2012 on a Dell T5400 precision workstation. The computer has 2 SSD configured in RAID 1 (mirror). I cannot find drivers to report their state in windows. There is no point to ...
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65 views

Do RAID cards do any proprietary processing or disk formatting?

I have a RAID 1 that's spordically healthy; I finally narrowed it down to a cracked SATA connector on the RAID board. If I hold it ~just~ right, i get full contact on the connector and everything ...
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2answers
65 views

Writing to a specific drive with software RAID4 on Linux

Edited to reflect conclusions from comments: I want to construct a software RAID-like array with 2 storage devices plus one parity device, where the parity device maintains the XOR of the two other ...
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87 views

How to add extra sata drives to desktop server

I have an ubuntu 12.04 machine with a raid using mdadm. The motherboard has 8 sata ports which are all being used, and I would like to add more hard drives to it. What's the easiest/best way to add a ...
0
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1answer
160 views

Adaptec 6405e SATA raid controller + 4x WD Red 1TB .. no Raid 5 option?

I'm in the ACU/adaptec bios utility. All four drives are initialized. I go to Create an Array, select all four drives. It only gives me Raid 1/10/1EE options - but no RAID 5. What am I doing ...
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1answer
130 views

Data transfer from NAS to D: completely soaks my C: drive — why?

I have a NAS where I have temporarily stored about 2.2TB of data while I rebuilt my “heavy lifter” workstation. My heavy lifter has no SATA on-board, but I use an LSI 9550sx-12 PCI-X RAID card for my ...
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1answer
250 views

Restart degraded RAID array after crash

I've had to (temporary) reduce my RAID5-Array, so that there are four out of five disks available. Things getting worse as my system crashed during write process. After reboot the system wants to ...