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.
0
votes
2answers
18 views
What's the difference between an OROM driver and a “regular” driver?
What's the difference between an OROM driver ("option-ROM") and a "regular" Windows-level driver?
I see a lot of chatter amidst the BIOS-modding community about OROM drivers (modules?) and ...
1
vote
2answers
30 views
Does external HDD RAID closure exists not primarily for portability?
Is there such a class of hardware in which you can install multiple HDDs set up as RAID, while the unit maintains their ventilation and power consumption, independently of a computer?
External HDD ...
0
votes
0answers
11 views
Centos RAID1 installation
I have installed Centos 6.2 with RAID1 support, after installation I have checked RAID1 by removing one by one Hard disk, Os booted and worked.
So after I created new users, installed LAMP, ftp and ...
0
votes
1answer
32 views
Is there a flashdrive with embedded RAID 1?
I need to store some extremely sensitive data on a thumbdrive, and I can't make 2 copies. So if that drive fails, it's a big problem. Have you ever heard of a thumbdrive which is split in 2 and offers ...
0
votes
0answers
36 views
UEFI and RAID1 Nightmare
1 CPU: AMD FX-8150 Zambezi 3.6Ghz Socket AM3+ 125W 8-core
RAM: CORSAIR Vengeance LP 16Gb (4x4Gb) 240-Pin DDR3 SDRAM 1866 CML16GX3M4A1866C9B
Mobo: ASUS M5A97 LE R2.0 AMD 970
PSU: Thermaltake TR2 ...
0
votes
2answers
30 views
Check What Version of RAID I am Using
How can I check what version of RAID I am using on a windows 7 computer? I have two drives in raid but I do not know if it's raid 1 or 0.
-1
votes
0answers
17 views
Install FreeNAS on software RAID inside a VM
(note: first time freenas user)
I have setup a FreeNAS 8.3.1 VM inside my vmware esxi 5.0, with 2 identical virtual HDDs for RAID 1. To my surprise, unlike the linux installers I'm used to, I was not ...
0
votes
0answers
13 views
Trying to install Window 7 Pro x64 on a Raid 5 array but having problems
Immediately after the installation starts I am getting the message "Windows could not format a partition on disk2. The error occurred while preparing the computer's system volume. Error code ...
1
vote
2answers
26 views
How picky are RAID controllers when replacing a drive?
I had a drive fail in a RAID5 array and I'm working on finding a replacement. It's an older drive that's fairly hard to find, and most of them out there are used. How close of a drive do I need to the ...
0
votes
1answer
17 views
SATA Raid-0 Mixing SATA-II + SATA-III: Change jumper?
I have 2 SATA hard disks
They are 2 TB each.
Both are WDC Greens
Respective models of *EARS *EARX
EARX is SATA-III While the other is not.
While the raid does function as is, would there be any - ...
0
votes
0answers
50 views
Looking for device to use multiple SD-cards as RAID backup device. (not RAID 0)
I'm looking for a device that can put multiple SD-cards, or USB sticks but SD-cards are preferred, into a RAID system. Also preferably accessible via USB so I can use it with a laptop.
I found ...
-1
votes
0answers
11 views
Physical to Virtual Conversion On Systems With RAID
Is it possible to create a virtual image of a system that is running on top of a RAID setup? Will the virtual image port over to a virtual machine that does not have RAID configured? It is my ...
1
vote
2answers
35 views
One unknown drive in previously operational RAID5 array
I have a RAID5 array on my computer, 3X 200GB sata drives. Everything has worked great forever but all of a sudden when I turn it on the BIOS shows that only two of the three drives are functioning. ...
0
votes
0answers
23 views
RAID 10 Volume not recognized after Windows 8 Refresh
I couldn't boot into my Windows 8 after some driver updates.
I didn't want to lose files on my BOOT drive so I did the Windows 8 Refresh.
After the refresh, my Windows 8 doesn't recognize my RAID ...
2
votes
1answer
31 views
Linux swap robustness and/or mirroring - kernel 3.2
i have 8x 2TB disks in raid6 with mdadm and I decided to add a little "slack" partition to each drive just in case a replacement drive is not exactly the same size of the drives i now use. The purpose ...
0
votes
1answer
20 views
What happens to a Win7 striped Volume if I have to reinstall the OS
So today I decided to stripe two identical 1.5GB drives (via the Win7 Management Console) to make a single 3GB drive that should perform faster. I'm slightly worried though. I know that it is more ...
1
vote
0answers
36 views
server does not want to mount /dev/md0 with raid [closed]
I have a raid system when I vi /etc/mdadm.conf I get:
# mdadm.conf written out by anaconda
DEVICE partitions
MAILADDR root
ARRAY /dev/md0 super-minor=0
#ARRAY /dev/md0 level=raid0 num-devices=5 ...
0
votes
2answers
43 views
Is there a type of redundant disk filesystem that allows for some loss of data?
I'm building a media server on a budget. Currently, the design is to have four 500GB disks in a JBOD-type format giving me one large 2TB store. The problem is if any disk fails, I lose the whole ...
2
votes
2answers
55 views
Video encoding application for a two-processor, 16 core system
I need to perform some video encoding, but most of the applications (or settings) that I've used will not take full advantage of my workstation.
I'm using two Xeon processors, 8 cores per processor ...
1
vote
0answers
95 views
Linux kernel 3.9 new storage features howto?
Linux kernel 3.9 has been released, which brings new features for storage cache devices (dm-cache), as well as BTRFS RAID 5/6. These features are undoubtedly sexy, but are all but completely ...
0
votes
1answer
47 views
re-mount two old disk from raid0 setup to recover data
I had setup two 500gb disk in RAID0 on my server, but recently suffered a hard disk failure (saw a S.M.A.R.T error on the HDD at boot). My host has put 2 new disk in RAID-0 again (re-installed the OS) ...
3
votes
1answer
22 views
“Boot from CD” waits for ever?
THE PAST
I have a Windows 2003 system that for a long time has had a CD drive with a non-bootable CD stuck in it (it's really stuck - the paperclip trick does not work)
The boot sequence included ...
0
votes
0answers
18 views
Re-assemble split RAID mirror
I recently left my computer unplugged for a few weeks, and got a nasty surprise when I started it up again. It seems the BIOS reset, and with it my RAID settings (Intel on-board RAID). This split up ...
1
vote
1answer
32 views
Can I go from noraid to raid1 to an existing Windows installation?
I am planning to switch from Ubuntu to Windows 7 for my HTPC and later add an extra 3TB disk.
Can I install Windows 7 on a 3TB disk and later add a disk and upgrade it to 2x3TB software raid1 without ...
0
votes
0answers
42 views
How to break RAID-1 and boot from the secondary part?
I have 2 hard drives with identical partitioning and RAID-1 between them. I want to break the mirror (OK with that), and then boot from the secondary side of the mirror without using Live-CD (that's ...
0
votes
0answers
35 views
Intel Rapid Storage Technology Installing Windows 7 Disk Space 0.0 MB
I have a EVGA X58 FTW3 and 4 16GB mtron SSD disks. I have used them in many Asus boards in a striped set-up, but on this board that comes with Intel's RST, I can't get it to work.
I've downloaded the ...
0
votes
1answer
37 views
Is it possible to use grub2 with a linux root partition under Soft-RAID5?
I need some more space in my computer, therefore I want some basic changes be done. One of those is setting a RAID up for all files to be a bit more robust (I have just had a hd crash, so I am a bit ...
0
votes
0answers
33 views
Restore mdadm/lvm2 raid after overwriting partition table
I made a stupid mistake! I have an Ubuntu 11.10 and there I have 3x2TB disks in a RAID5 -> 4TB usable. I wanted to install a new 4TB disk in the computer. I opened gparted and created a GPT partition ...
2
votes
1answer
26 views
Mixed up raid 0 disks
A friend of mine has removed 4 disks from 2 raid 0 arrays and can't remember which disk belongs to which.
Should she put them in wrong, is there potential for data loss to occur?
If so, how could ...
-1
votes
1answer
45 views
RAID how many hdds can you add [closed]
So I'm looking to build something for storing files, and my question is how many hdd's a raid can hold? can I have a raid with a capacity of 100.000 TB or so? I don't know how you would connect so ...
0
votes
2answers
31 views
software RAID in Linux - system partition on a separate drive?
I'd like to build a cheap NAS with two drives in RAID1 configuration using Linux software RAID. What are the pros and cons of having a separate system drive? My main concern is reliability of the ...
0
votes
0answers
39 views
Two hard drives replication: which architecture to pick? [closed]
I've two 3 TB hard drives and I would like to setup a replication between them. They are in external cases and linked to a (home) server (through USB). My question is how to setup a replication ...
0
votes
0answers
54 views
How to add a RAID driver to a BSOD Windows 2008 R2 install?
I've replaced a failed RAID card in a Win 2008 R2 server, but it was a slightly newer model which doesn't use the same driver as before so booting the OS results in a BSOD. It appears the controller ...
1
vote
0answers
71 views
Trying to rescue data from WD My Book Studio II, raid 0
For a friend I'm trying to recover data from a Western Digital My Book Studio II external disk drive enclosure in raid 0 mode.
At first I tried to rescue the data under OSX, the OS used by the ...
0
votes
1answer
27 views
Linux USB Disk Mirroring - Is this the right Approach?
I have a 1TB NTFS USB Data Drive (no boot, etc...) that I would like to keep a mirror of as a backup in case of hardware failure.
It is always connected to my raspberry pi running the raspbian ...
3
votes
1answer
123 views
Should I configure my New RAID5 Drives as MBR or GPT?
I have a new RAID-5 Setup on a Server here at work. I have just created the RAID-5, and its size is a little over 2.7 TB. Now, Iknow that MBR does not support anything over 2.2 TB, however, I have ...
0
votes
1answer
22 views
mdadm disk partition type : Linux RAID Autodetect mandatory or 83 Linux ok?
Main question : Q1:
i would like to know when using mdadm, the "Linux RAID Autodetect" type is mandatory for my disk, or a "83 linux" type is ok ?
Sub question : Q1_1 :
What are the differences ?
...
1
vote
2answers
92 views
Merge Two Folders To Act As One (Software Raid 0?)
Using Windows 7, I'm trying to setup what I've come to call a "Software Raid of Folders", not completely sure it's the right term, but I'm sure anyone who knows the true term will understand what I'm ...
3
votes
0answers
169 views
How to set up a home NAS and share it online?
My family lives in 3 different countries in Europe. We've all got decent Internet connections, but we're struggling with sharing files (documents, photos and home movies, and music).
I'm dreaming of ...
2
votes
0answers
44 views
Why can't i recover a raid disk which apparently has no errors
For several years now we run a software RAID1 on a old Gentoo box with a custom Linux 2.6.31. The RAID consists of 2 harddisk with 4 partitions each. In the last years it happend about 3-4 times that ...
0
votes
2answers
63 views
What is the difference between striping BYTES and BLOCKS using RAID?
This uses byte level striping. i.e Instead of striping the blocks across the disks, it stripes the bits across the disks.
RAID 3
Whereas RAID 0 uses block striping. Are there so many bytes to a ...
2
votes
0answers
115 views
Windows 8 keeps deleting files from RAID drive
I have an ASRock Z77 Extreme4 motherboard with Windows 8 (not Pro).
Brand-new computer, built from new parts.
I use a 600GB drive (10,000RPM) as boot drive (let's call it HD1) and 2 3TB drives in a ...
1
vote
0answers
35 views
Software RAID failed to mount after apt-get upgrade
I have a software RAID 10 (jfs) on an ubuntu 12.10 and require some assistance repairing the RAID after it failed to mount after a routine apt-get upgrade followed by a reboot.
/dev/md0:
Version : ...
0
votes
0answers
54 views
I have built Dual Xeon with 4 512 GB SSD - Raid 10, keeps getting degraded
I am building a huge pc and I have built raid setups before, but not with SSD , or 192 GB of ram. Now that I have built this - I created a raid 10, install win7 ultimate 64 on it with no problem, but ...
3
votes
1answer
158 views
Need to find which drives are mirrored within RAID-10 array
I have a home media server running on openSUSE 12.2. I'm using eight 2TB drives in a RAID-10 configuration. I deliberately bought two different types of drives: four Seagate Barracuda Green and four ...
0
votes
0answers
56 views
Dell server stuck on initalizing
i have a server that i found on site no idea what is does , tried to switch it on this is what i see
6Gbps SAS controller
MPT2BIOS-7.11.10.00(2011.06.02)
Copyright 2000-2011 LSI Corporation
...
2
votes
1answer
32 views
Is it possible to migrate a software RAID5 array to RAID0?
So last year I helped my father in France set up his Office machine with a RAID5 array of 3 identical 1TB drives (for a combined space of 2TB). Last week one of the drives died, he's using the machine ...
3
votes
3answers
334 views
SAS 15,000rpm RAID 0 slower than external eSATA single 7200rpm drive. Why?
I've got two internal 135GB SAS drives in a RAID 0 array making a 270GB logical volume talking to my Dell Precission T5500 motherboard via a Dell supplied SAS 6iR controller.
Writing Speed
I SaveAs ...
0
votes
0answers
32 views
Adaptec ASR-7805 bios password
I would like to set the password for Adaptec ASR-7805 BIOS utility, which you access by pressing CTRL+A, right when the system boots, in order to prevent possibility of unauthorized access for ...
1
vote
0answers
68 views
Broken mdadm RAID after hard drive firmware update
I updated the firmware on the two hard drives in my raid array, and now the raid array does not seem to work. I'm running Kubuntu 12.10.
Here is the output of some things I tried:
sudo mdadm ...
