Questions which refer to software RAID implementations.
0
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3answers
339 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 ...
1
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2answers
348 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 ...
1
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2answers
256 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
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 ...
2
votes
1answer
4k 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
votes
1answer
179 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' ...
2
votes
1answer
1k 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
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, ...
1
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1answer
220 views
Windows 7 Dynamic Mirror Fails Redundancy
I have two 1TB HDDs forming a single volume in Windows 7 with a "Mirror" layout and a "Dynamic" type. The status is "Failed Redundancy" according to the Disk Management tool in the control panel.
...
1
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1answer
85 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 ...
1
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1answer
83 views
RAID 1 : one device reads while the other writes symmetrically. What is going on?
Take a look at the disk throughput of this two disk software RAID 1 array in a Linux 2.6.26-2-686 Debian system :
As you can see, one device reads at a speed apparently close to its top throughput ...
1
vote
1answer
733 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 ...
1
vote
1answer
579 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, ...
1
vote
1answer
421 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?
0
votes
1answer
24 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 ...
0
votes
1answer
56 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] ...
0
votes
1answer
461 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
votes
1answer
168 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
votes
1answer
388 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
votes
1answer
247 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 ...
0
votes
1answer
346 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 ...
0
votes
1answer
236 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
votes
1answer
73 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
votes
1answer
773 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, ...
2
votes
0answers
518 views
Is it possible to use software raid in Windows 7 on the boot partition?
I want to use RAID 1 on my workstation configuration at work, and I've been looking at using the build in mirror functionality in Windows 7. When you click on the add mirror option it presents you ...
1
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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 : ...
1
vote
0answers
70 views
Unable to reassemble md raid on drives pulled from ReadyNas Duo v1
I'm toying with a ReadyNAS device that I've recently acquired. It is a SPARC-based box, and it runs linux.
As device is pretty slow, I've pulled one drive out of array, hoping to populate it with ...
1
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0answers
803 views
How? Mount, Find & Recover DATA in HDD outside of Synology Box
How? Mount, Find & Recover DATA in HDD outside of Synology Box
I had originally posted this question here on Synology Forums and no real solution was suggested except a Linux / RAID based ...
1
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0answers
209 views
Windows 7 : soft RAID1 and dynamic volumes reliability
My setup is quite classic nowadays :
1 SSD for system/apps and 2 HDDs for data setup in a fake RAID1 array.
I also have a backup scheduled every week for the data drive in case it fails because I ...
1
vote
0answers
895 views
Linux - Repairing bad blocks on a RAID1 array with GPT
The tl;dr: how would I go about fixing a bad block on 1 disk in a RAID1 array?
But please read this whole thing for what I've tried already and possible errors in my methods. I've tried to be as ...
1
vote
0answers
636 views
mdadm raid5 read error not correctable
I have a software raid5 setup existing of 4 disks.
sda, sdb, sdc, sdd
Since everything was up and running I wanted to test the array. To do this I pulled the plug on one of the disks (sdd).
Everything ...
1
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0answers
383 views
proper procedure to repair RAID 1 volume in Windows Server 2008 R2
I'ave a windows server r2 with the following configuration
500mb SATA for OS
2 x 1TB SATA in Software Raid 1 (done through the operating system)
One of the 1TB drives are bad.
What will happen ...
0
votes
0answers
25 views
How many drives could I attach to a SiliconImage SiI3124 based controller using port multipliers?
Would it be possible to attach twenty disks to a SiliconImage SiI3124 based controller (Lycom ST-125NR) using four Lycom ST-126RM port multipliers?
Wikipedia suggests a single 'port' can support up ...
0
votes
0answers
46 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 ...
0
votes
0answers
32 views
mdadm RAID monitoring no DegradedArray email
So, I have a couple of MDADM RAID arrays and I want to set up monitoring with email notifications for drive failures through sSMTP but I can't seem to get it working.
The system in question is a ...
0
votes
0answers
25 views
Converting an mdam RAID1 to RAID 1+0
I want to convert a RAID1 array consisting of two rather large volumes into a larger RAID1+0 array using two new equally large volumes.
I know it is possible, but I've hard a hard time finding ...
0
votes
0answers
40 views
Do a Re-Build During a Re-Shape?
On my Linux software RAID 6 array, I'm currently mid-reshape and 2 drives have been marked as failed. I've swapped them out and added new ones to the array, which are currently marked as spares. The ...
0
votes
0answers
137 views
Is there any way to stop or pause Windows software raid re-synching?
I have two physical disks, each one holds two volumes, they are Windows software RAID1. E.g.:
Disk A: Partition1 Partition2
Disk B: Partition1-Mirror Partition2-Mirror
After an unclean ...
0
votes
0answers
136 views
Adding software RAID to ubuntu server
Is there an easy way to ADD a RAID to an existing ubuntu server install?
My server installation of CentOS failed today and I am more familiar with ubuntu and the debian command line tools, so I think ...
0
votes
0answers
288 views
Is there any freeware software to ghost a RAID 1 disk?
Where I can find freeware software to ghost a RAID 1 disk?
I installed Windows XP on a Dell server with a supported RAID card. I tried to ghost it using FOG project, but I think it doesn't support ...
0
votes
0answers
53 views
Windows 7 Raid - Drives can't see each other
I'm trying to stripe two drives using the disk management tool. Both partitions give me the option to stripe them but when I use the wizard the other drive doesn't show up to allow me to raid to it!
...
0
votes
0answers
201 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 ...
