0
votes
0answers
14 views

how to use Intel RAID 1 on windows 7 boot drive

I have a motherboard with Intel RAID. and 2 new and empty 1T HDD. I want to use 2 HDD as RAID 1 (Mirror) to install Windows 7 pro (C: drive). What is the best or correct way to do it? I have ...
4
votes
2answers
40 views

Single-bit error on RAID device?

For the first time since I've owned a PC (30 years) I have experienced an undetected, uncorrected single-bit disk error. In a RAID array. The sequence of events was Upload a collection of digital ...
0
votes
0answers
15 views

How to read data from a Raid 1 drive

I have a Sharecenter NAS with two hard drives in it setup in a Raid 1. One of the drives has failed (making noise) and somehow so has the Sharecenter. I have a SATA-USB thing but my Win8 machine ...
0
votes
2answers
33 views

Multiple disk controller cards and RAID1

I'm creating a btrfs RAID1 array, and I have two SATA3 controllers - one on the motherboard and another in a PCIe slot. For simplicty's sake, let's say I only have two drivers, sda and sdb. Would I ...
0
votes
0answers
45 views

is it okay to mirror/raid1 different hardisk model in freenas

In my freenas system, I have several volumes running, one of them is consist of 2 3TB WD RED with different model (I forgot the serial, but they are different). Both are set up in a single mirror ...
0
votes
1answer
24 views

Best RAID Solution for dual boot?

I've seen this topic talked about before on this site but with other users using 2 drives for the active partition (booting from the same HDD thats got RAID) however my situation is a bit different. ...
1
vote
0answers
76 views

Server has Crashed, How to Recover My Data from Raid-1 Configured HDDs?

I was using HP ProLiant ML150 G6 with Windows Server 2008 as File Server. Server is configured with 4x250 GB RAID-1. All of a sudden electricity fluctuates and the server got crashed. Now it turns on, ...
0
votes
2answers
44 views

Is it possible to build RAID0 or RAID1 using 2 disk when one disk is not cleen?

I'm using win 7.Is it possible to build RAID0 or RAID1 using 2 disk when one is not cleen? I have 2 same hdd disks, one of them cleen and one with data. I want to build RAID0 or RAID1 (on the fly) ...
0
votes
0answers
84 views

Can't add drive to mdadm RAID1 array

I have a mdadm RAID1 array in a production server. SDA fell out and when trying to re-add SDA3 to MD2 I think it failed. The syslog shows: [28375.974199] sd 1:0:0:0: [sdb] Add. Sense: Unrecovered ...
1
vote
0answers
71 views

btrfs does not show drive as missing

I am trying out btrfs and I noticed some funny behaviour: I have two drives in a raid 1 configuration. sudo btrfs fi show Label: none uuid: 52b9c6f6-ce5c-4727-861e-e2fd012e475f Total devices 2 ...
2
votes
2answers
187 views

re-add to RAID1 is not possible

On Kubuntu 13.10 I have two hdd: sdb 1TB with two partitions - one in RAID1 and second is simple. Second hdd sda 500GB is whole in RAID1. Once I unpluged second hdd, put there some other hdd ...
0
votes
1answer
60 views

Intel RST accidentally selected wrong drive as system drive — how to fix?

Question / TL;DR If Intel RST has marked a drive other than my RAID set as the system drive, how can I get it so that the RAID set is now seen as the system drive, and catch it up to my drive now? ...
0
votes
1answer
603 views

Have two partitions in RAID1

The answers are unclear wherever I look. I have two 2TB drives for a RAID1 and I want to mirror them while having two partitions on the drives. One partition will be 100GB and contain programs, the ...
0
votes
0answers
39 views

Ubuntu RAID hardware update

I have a RAID1 (Intel Raid controller), but I have more 2 slots in my server and I'll put there more 2 disks to create another RAID1. I never did it, the only thing I did is simply add standalone ...
1
vote
1answer
849 views

RAID1 w/Intel RST — can I replace failed drive with bigger drive?

The Setup I have 2 x 1TB drives in a RAID1 configuration. One of the hard drives has failed and so my RAID situation is degraded. All data is backed up via Backblaze as well so I'm not worried about ...
3
votes
1answer
145 views

RAID-1 causes far more noise than non-RAID?

After moving two 2 WD 1TB Black drives to a hardware RAID-1 system on my GA-Z87X-UD3H Gigabyte motherboard they started making a lot of noise and rattle. I've tested both of them separately in a ...
0
votes
1answer
660 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 ...
0
votes
1answer
157 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 ...
0
votes
1answer
216 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. ...
0
votes
1answer
76 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 ...
1
vote
1answer
1k views

How do I safely move a Windows 7 software RAID 1 volume to a new PC?

I have 2 identical drives in an old PC running as a mirror RAID (RAID1) using the Windows 7 software RAID. These drives are data-only drives and are not being used to boot an operating system. How do ...
2
votes
1answer
197 views

check physical contents of hard disk connected in software Raid 1 / Windows 7

I have two 500GB hard disks configured in raid 1 (mirroring) on Windows 7. It is being labelled as 'Healthy' in Windows. As you know, these are accessed as one partition of 500GB. Is there any tool ...
0
votes
3answers
314 views

Hard Drive Slow down.. where do I start?

I just built my first PC less than a month ago. I have a SSD drive with my Windows Operating System on it, and I have two Western Digital Caviar Black 2TB 3.5" 7200RPM Internal Hard Drives ...
-1
votes
1answer
254 views

Disk space and performance with Raid 0 and Raid 1 [duplicate]

I am buying a desktop from Dell, they have an option 2 x 500GB 7200 RPM 2.5" SATA Hard Drive with Raid 0. I Googled about Raid 0 and found that it provides best performance. But I am confused about ...
0
votes
1answer
155 views

Putting two physical hard drives in a single 2.5" bay?

My crazy brain came up with this ridiculous idea. "Why can't I have a single 2.5" drive device that actually contains two independent hard drives? I want RAID 1 data mirroring and the security of ...
3
votes
3answers
9k views

Firmware vs OS RAID (aka Windows 8 Disk Mirroring vs Intel Onboard)

So Windows 8 is out and I have a new motherboard. I wish to create a RAID 1 coupling between two HDDs -- for storage purposes only (my OS is on an SSD) -- but I don't know which is the best route to ...
2
votes
3answers
280 views

Does Firmware RAID negatively affect non-RAID devices?

I am running Windows 8 on a Z77 Chipset mobo, and it's all running swimmingly, but I want to put my documents/music/etc. on two HHDs running under RAID 1. On my motherboard I have four SATA 3GB/s ...
1
vote
1answer
137 views

Hardware RAID 1 With ERC/TLER/CCTL

I am aware of the problem when using standard consumer-grade drives with RAID levels 5 and 6; if a drive takes too long trying to read and/or repair a bad sector, it will be dropped by a hardware RAID ...
1
vote
1answer
192 views

Raid-0 (2xSSD) + Raid-1 (1xHDD) possible?

Is it possible to have the following setup? 2 x SSD (2x128gb) in RAID-0 (for performance) + 1 x HDD (1x500gb but using 128gb) in RAID-1 (for redudancy) If so, does the HDD mirror give a decrease ...
6
votes
1answer
2k views

A ZFS or LVM or MD redundant heterogeneous storage proposal

I have the same problem most people have: how to create a reliable personal storage solution with the fact that: Hard drives fail with alarming regularity. Losing files is unacceptable. I will buy ...
1
vote
3answers
139 views

What is the impact of using a Desktop edition disk in a RAID 1 setup?

I am setting up an onsite backup server in RAID 1 (soft) with low usage. I prefer quietness and reliability over performance: so I selected one of these "green" disk. Some NAS brand recommand these ...
1
vote
2answers
202 views

Juggling HDDs and SSDs between home server and laptop

I just built a home server a few months ago with four 2tb drives for storage of media. It was booting from a 120gb Vertex3 SSD. That drive failed, now I'm realizing I don't need a SSD for the boot ...
3
votes
3answers
587 views

RAID 0 + 1 with 3HDD 2x1TB + 1x2TB

Is it possible to make RAID 0 + 1 with 3 Hard Drives I have currently setup raid 0 with 2x~1TB HDD (1.8TB approx) Now i got 2TB HDD (1.9TB approx) which i want to be as a mirror drive. Is is ...
15
votes
2answers
6k views

combining SSD and hard disk in software RAID1?

Does it make sense to build a Linux software RAID-1 (mirroring) using an SSD and a normal hard disk? I want to combine the advantages of SSD (fast transfer rates, fast access times) with the ...
1
vote
2answers
2k views

Can the drives in a RAID 1 array be rotated?

As a follow-up to my question Disaster recovery backup of files/photos for personal use, it sounds like for personal disaster-safe backup, multiple rotated hard drives is the way to go. One of the ...
1
vote
1answer
389 views

Add a small RAID card? Will it help overall stability and performance of my nine hard drives?

Will I get any extra genuine added performance and RAID stability if I insert a basic RAID card into a PCI-E x1 slot? I am considering the Adaptec 1220SA - 2 port SATA, PCI-express (1x), RAID 0/1. ...
7
votes
3answers
4k views

What advantages and disadvantages have Hybrid SSD/HDD RAIDs

I just read about Hybrid RAID arrays consisting of SSDs and common HDDs which are supported by Adaptec's RAID controllers. Does such a RAID configuration provide real advantage? Isn't write ...
0
votes
1answer
1k views

Western Digital disk WD5000AAKS-75v0a0 vs ones without a dash

In one of my computers I have 500GB x 2 WD5000AAKS-75v0a0 in RAID-1 configuration. I was hoping to keep an identical drive on hand as a spare and started looking at prices. First I found this exact ...
0
votes
1answer
448 views

Why does my simple Raid 1 backup storage perform really slow sometimes?

I bought 2x Samsung F3 EcoGreen 2TB hard disks to make a backup storage. I put them in Raid 1 (mirror) mode. Made a single partition and formatted it to NTFS, running Windows 7. For some reason, ...
0
votes
2answers
3k views

Is it better to buy a 4TB RAID 1 hard drive, or 2 hard drives with 2TB each, and just use SyncToy (or invest more and buy a RAID 5 drive)?

Somebody said that with a RAID 1 drive, 4TB will be 2TB of storage, but if the controller goes bad, then the whole drive will go bad -- unless WD can send you a new enclosure? (stated in ...
1
vote
3answers
3k views

Dual Boot Windows 7 & Linux Ubuntu on SSD with Data on 2 HDD's in RAID 1

Can someone point me to clear directions for a Dual-Boot system using Windows 7 on #1 SSD and Linux Ubuntu on SSD #2? And then configuring 2 HDD's in RAID 1 for Data (NTFS)? Clean Install all around. ...
1
vote
3answers
4k views

What laptops support RAID-1 mirroring?

What currently available laptops support RAID-1 mirroring or other RAID configuration? Laptops with more than 1 internal hard-drive bay: HP8530 ... (This is very similar to a previous question ...
3
votes
1answer
2k views

Resize a RAID 1 volume on OS X Snow Leopard - how? (Note: software raid)

I've scoured the Internet in search of an answer to this question, and as usual with OSX-related topics, I often don't find any deep-dive technical explanations sufficient enough to feel confident ...
2
votes
2answers
1k views

Accidentally set BIOS from RAID -> IDE; now data inaccessible

Update #1 1) Booted into Ubuntu Live CD 2) Connected drive using a SATA->USB converter 3) Very meaningful error message: Error mounting: mount exited with exit code 13: $MFTMirr does not match ...
2
votes
3answers
9k views

Motherboard RAID support or Hardware RAID controller?

About a year ago when I was researching how to set up some drives using RAID on a PC I was planning to build, everyone said I would need to purchase a hardware RAID controller, the decent one was ...
6
votes
4answers
21k views

Can a mirrored (RAID-1) disk be plugged into another system to be read?

If I have disks in a RAID-1 array, can I take one of them out and plug it into a different system to be read? This means, on the target system, treating the disk from the RAID array just like an ...