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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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 ...
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1answer
15 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
50 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
23 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 ...
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2answers
19 views
RAID 1 on internal hdd + usb external hdd?
Unfortunately my internal hdd is probably going to die soon and I dont have money for a new one. But I have an external Hdd which I was using as a backup, so I thought of a solution. RAID
But I have ...
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2answers
29 views
How to remove Linux software RAID MD device?
I'm trying to install openSUSE 12.3 on the new server. It is this machine.
There are 2 HDDs connected to the SAS controller. What I want to achieve is a NON-RAID configuration where 1.HDD is used for ...
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34 views
Replacing a disk with ZFS
I've been using ZFS for a RAID on my mac for the past few months and a few days ago one of the disks died. The computer didn't recognize it anymore, it shut off seconds after being turned on and made ...
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21 views
How to image a degraded RAID array
On boot in Windows 2003 I have a message "Raid Array Degraded". When I use F10 to go into the RAID utility I see this screen :
After passing through that screen the machine got stuck on reboot so I ...
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1answer
17 views
How can I delete soft/motherboard RAID 1 from a different computer?
I have a drive. It was part of a RAID 1 mirror on a motherboard-based raid controller (nVidia controller on an ASUS A8N-SLI Deluxe), which, if I understand correctly, is considered to be "soft" raid, ...
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4answers
66 views
What is the reason to use RAID? [closed]
When reading about RAIDs, you are almost always going to stumble about the fact that RAID is not a backup.
So, what are the reasons to use RAID then?
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Good, cheap RAID controller that works with Windows Server 2012? [closed]
Is there a relatively inexpensive RAID 5 compatible PCI express controller that works with Windows Server 2012? Or can I just use 2008R2 drivers?
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blkid not returning the correct UUID/label for drive
I have 7 drives in my server (running Debian Wheezy as dom0 for a Xen hypervisor): An 80GB system drive, 3 x 2TB drives, a 1TB drive and 2x 500GB drives.
The 2TB drives are all part of an mdadm RAID ...
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37 views
Can I somehow install windows on a HDD that is connected to a “PCI to SATA” RAID card?
My aim is to protect my data of any failures. So I choose RAID1 as the best option.
Now, I have the fallowing:
- DELL Optiplex GX520
- 2 PORT SATA SERIAL ATA PCI SLOT RAID CARD LOW PROFILE BRACKET for ...
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24 views
Resume mdadm array build after power outage?
I was building a 2tb x 4 disks using mdadm. Originally mdstat said it was going to finish in 48 hours but unfortunately at 47 hours a power outage came into play :-)
So I decided to zero out the ...
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19 views
How do I convert an existing RAID60 to use global host-spares with mdadm?
I currently have a raid 60 using mdadm. There are 3x RAID6, each with 14 disks + 1 hot spare. I want to change it so the 3 spares are global rather than bound to the individual arrays. I've edited ...
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Inaccessible disk after OS reinstall
Our server has an OS RAID 1 and a separate 8 disk RAID 1 array. It was originally running server 2008, but it crashed on us. I attempted to fix the issue by removing the server from the domain, but ...
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Clone Windows Disk to Image and then Restore [duplicate]
I have a spanning raid array and I want to remove it without losing data. The only way to do this, it seems, is to copy the disk, break the array, and then restore. What's the best way to clone a ...
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2answers
34 views
Can I Break 'Spanning JBOD' without losing data?
I used the Nvidia raid utility to turn two hard drives into one 'spanning JBOD'. On windows, it just looks like one hard drive (it's the one windows is installed onto). Is it possible for me to break ...
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2answers
46 views
Is there any reason to use multiple partitions with a hardware raid?
Suppose you have a server with a hardware raid controller configured for Raid 1 (so if one of the hard disks goes bad, the other essentially acts as failover until you can replace the failed disk).
I ...
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2answers
23 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 ...
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2answers
39 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 ...
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49 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 ...
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50 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 ...
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2answers
31 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.
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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 ...
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2answers
27 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 ...
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1answer
24 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 - ...
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64 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 ...
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2answers
37 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. ...
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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 ...
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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 ...
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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 ...
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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 ...
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2answers
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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 ...
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2answers
81 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 ...
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108 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 ...
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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) ...
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1answer
25 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 ...
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19 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 ...
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33 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 ...
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57 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 ...
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39 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 ...
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1answer
43 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 ...
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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 ...
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1answer
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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 ...
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1answer
46 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 ...
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2answers
39 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 ...
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40 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 ...
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77 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 ...
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84 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 ...
