Questions which refer to software RAID implementations.

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Can a secondary SATA drive under Win 7 Pro software RAID 1 mirror be boot-able with no hassle?

Using Windows 7 Professional software RAID 1 (Mirror) of two identical SATA drives is it possible in the event the primary drive fails that the system may boot off the secondary drive without doing ...
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3answers
455 views

RAID-1 in RHEL 6; can't get partitioning on identical devices to look identical

I have a RHEL 6 fileserver. It contains two identical 2TB SATA drives. Both are supposed to contain one partition that takes up all the space on the drive (and this used to be the case). When I had ...
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2answers
66 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 ...
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2answers
27 views

MDADM says can't assemble RAID5 because missing disks but all disks are there

To start this, I installed a SATA expansion card so I could get more Drives into the computer. I moved the RAID to the expansion card, after attempts failed to get the OS SSD onto them. There was a ...
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2answers
424 views

Re-Initialize RAID-0 in software after card failure

I'm working on a Friend's WD MyBook "1TB" HDD that is not mounting. When I got in to it, I discovered that it is really 2 500GB HDD's set up as RAID-0. It appears that the drives themselves are ...
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2answers
388 views

looking for a solution for a Software Raid on my XP computer

Recently, I purchase 2x1TB drives for my XP computer, I want to use RAID 1 for the redundancy, but the motherboard is little old and can't support that. Some articles introduce how to make it happen ...
2
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1answer
6k views

Install Linux mint with Raid

My MB supports fake raid (Intel DH67CL motherboard). But I was using the system in 'software raid' as I could not correctly set up fake raid in Debian. Now, I decide to use Linux Mint 12. During the ...
2
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1answer
209 views

Does Mac OSX software raid support partial resync?

If I have a software RAID-1 (mirror) setup in Mac OSX and I turn off the system during mirror rebuild, when I turn it back on will it start a whole new resync or just do a partial resync (like linux' ...
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1answer
1k views

Access Western Digital My Book World II RAID array on my Ubuntu Linux

My WD My Book World II (Blue Rings) NAS has overheated, I think the motherboard is dead. I extracted the disks and plugged them in my desktop PC running Ubuntu Linux. The disks seems to be alive, ...
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1answer
57 views

move mdadm raid to new system

Have a 4-drive Ubuntu mdadm raid in a system whose motherboard (ASUS N1996) failed permanently. I tried putting the 4 drives in another system with a different motherboard, but when it came up it ...
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1answer
77 views

Recover LVM with software raid

I have a Synology NAS using SHR mode, which is basically LVM and Raid 5. Somehow my LVM volume became corrupted and won't mount anymore. This volume houses over 20TB of data, and most of it is NOT ...
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1answer
35 views

Move two X-RAIDed disks to ubuntu

I have an old NAS (Netgear ReadyNAS Duo) that are X-RAID (Expandable RAID) that I need to move on to a new Ubuntu 12.04 Server. Assuming that this is software raided, does anyone know where I can ...
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1answer
342 views

RAID 5 degraded performance

I'm currently rebuilding my fileserver, but because of SATA port limitations, I can only use 5 disks at a time. I've remove a drive from my original RAID, so I've been able to create a new degraded ...
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1answer
193 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
332 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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1answer
126 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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1answer
213 views

how to boot without assemblying raid arrays (or assembling them correctly)

I had one debian 6 system with two harddisks on raid1 set up via mdadm. built on simple partitions (/dev/sdb3, /dev/sdc3). at least on the old system, everything is tied up via UUIDs. then i inserted ...
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1answer
1k views

degraded mdadm RAID5 array

My /dev/md0 array just died last night. I got this email This is an automatically generated mail message from mdadm running on A Fail event had been detected on md device /dev/md0. It ...
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1answer
850 views

Recover Linux software RAID5 array after server upgrade

I recently upgraded a server from Fedora 6 to Fedora 14. In addition to the main hard drive where the OS is installed, I have 3 1TB hard drives configured for RAID5 (via software). After the upgrade, ...
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1answer
471 views

Adding disk to windows-7 RAID-5

If I have a 3-disk RAID 5, and I want to add a 4th disk to the RAID, can this be done without moving all the data out of the existing raid array and rebuilding it as a 4 disk raid-5 array?
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1answer
32 views

Add space from 3TB unto 4TB using raid, how?

I would like to expand my 4 TB drive by adding on drive space from my 3 TB drive. I assume this is possible in a raid configuration by resizing the partion on the 3 TB to free space then using ...
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1answer
140 views

Can I pass disks through Hyper-V to a Linux VM for md RAID on any hardware?

I toyed with the idea in the past few months of virtualizing a workstation machine (with ESXi/Xen/etc), basically having it run some very basic server stuff behind the scenes; this was more of an ...
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1answer
375 views

Synology disk group

For the moment i've 1 4TB HDD on my synology DS1513+. I'm transfering all my data on it but when this HDD will be full, i'll add a second 4TB HDD. How to have 1x8TB and not 2x4TB on my synology ...
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1answer
77 views

Software RAID 1 Configuration

I have created a software RAID 1 quite some while ago and it always seemed to work for me. However I am not completely sure that I have configured everything right and do not have the experience to ...
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1answer
36 views

How to handle a Linux software RAID when one drive has a hardware failure?

I have a server that has two internal hard drives. What happens when one drive has a hardware failure exactly? Does it send an e-mail message to root to get your attention? When it has been ...
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1answer
138 views

CentOS Gnome only showing 1TB on 6TB Server?

I just bought a new server and want to use it to store files, It has 2x 3TB hard drives. I Set them up in raid 0 as i don't need any redundancy. I don't know much about servers and command-lines ive ...
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1answer
59 views

Is it possible to create software Raid array with operating system partition included?

I know that software raid array can be created in the OS it self. But my question is, Is it possible to create a software raid array including partition which is having Operating System installed ? Or ...
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1answer
151 views

Recover software RAID

I built a RAID-1 with two hard drives using mdadm. Command used was: mdadm --create /dev/md0 --level=1 --raid-devices=2 /dev/sdb /dev/sdc it went fine, I create partition table and partitions in ...
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1answer
29 views

Is it possible to operate two RAID-0s alternately?

I have a software RAID-0 (two hdds) on a WIN7 machine that holds all footage of a video project. If I remove and store these drives and install two new drives as RAID-0 for another project, will I be ...
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1answer
155 views

Adding sda1 vs. sda to a linux software raid

I'm running a Linux md software RAID 6 on several USB hard-drives. Each drive is partitioned to contain one partition of type fd (linux raid). My RAID is built on these partitions, i.e. it uses sda1, ...
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1answer
89 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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1answer
322 views

Adjusting mdadm priority on Ubuntu

I have Ubuntu 12.04 running on my new server, and it is setup to run off of one drive, then 2 drives that are mirrored using mdadm. When streaming files or media from it, it is extremely slow. I was ...
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1answer
87 views

Linux RAID Re-Shape Stopped

For the past 8 hours my mdadm re-shape process has been stuck. The output is: Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [multipath] md0 : active raid6 sdo[11] ...
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1answer
1k views

How do I reinitialise a failed RAID 5 drive using terminal on Ubuntu Server

I've currently put together a new system and part of that has been creating a software RAID 5 using 'mdadm' in Ubuntu Server. I successfully got to the point where I create the array using: sudo ...
0
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1answer
275 views

Repairing windows 7 Raid 0

I have a raid 0 4 x1tb and 1x 3tb (a bit silly I know) but the partitions are now showing as RAW after I did a ckhdsk! is thair any raid reconfiguration software out there that will fix this? or is ...
0
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1answer
551 views

ICH10R based RAID vs Windows 7 software RAID

It seems that performance wise these solutions are about the same and thats not my main concern anyway, but I need to know how do they compare from the point of data getting corrupted? What are the ...
0
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1answer
319 views

Resize a raid1 ntfs partition

My computer is running windows 7 on a software raid1 (ntfs obviously) partition. I would like to reduce the size of the partition (currently the on whole disk) to install a raid0 (or 1 I don't know ...
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1answer
585 views

Update grub for whole disks added to software raid

I have a raid-1 running under rhel6 (/dev/md0) that is mapped to /. It contains two unpartitioned disks (/dev/sda and /dev/sdb). I'd like to be able to boot from either disk. But grub won't let me ...
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1answer
410 views

How can I deal with a full striped volume?

I created a striped logical volume in Windows 7 x86 that is across 3 x 2TB drives. It's almost completely full, and I smacked my forehead when I realized today that you apparently cannot add drives to ...
0
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1answer
82 views

backuppc - will it work with flexraid (or similar)

Will backupcpc work with flexraid? What I do know is Backuppc must run under linux because of the hard links it uses, which means the file system I believe has to be a certain type other than ...
0
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1answer
1k views

mdadm device missing

after a reboot my /dev/md0 device was missing. This is a RAID-1 array from two partitions of two harddrives. On each of the harddrives is another partition, which together belong to dev/md1. However, ...
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0answers
273 views

Reformat soft RAID-5 Ubuntu

I built a linux (Ubuntu) box a year ago and decided to have some fun and use a soft RAID 5. I followed the instructions here. Things seemed to work fine, but now it's time to reformat the computer ...