RAID - Redundant Array of Independent Disks. A Storage technology to provide redundancy and performance, to reduce I/O bottlenecks involved in using multiple disks for large storage.

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mdadm metadata: should i take precautions to prevent superblock overwrite?

Situation: I'm creating a new RAID1 array using mdadm. I won't be using additional layers, such as LVM or dm-crypt. I've noticed that metadata version 1.2 is now the default. I understand it's the ...
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Can I mount a microsoft mirrored dynamic disk?

I'm testing out sw raid in windows 7, but I almost always use linux and I would like to know if it's possible to mount such a mirrored dynamic disk. I can already mount each members separatly but ...
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Two arrays have slightly different array size with same size disks/partitions, why?

I created a software RAID 5 array one year ago using mdadm v3.2.x which shipped from CentOS 6.3, after few months, I moved/assembled the array to/in Fedora 19 (now Fedora 20). It had three 3TB disks ...
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956 views

Problem with former RAID hard drive settings in Linux Mint 17

I'm new to Linux, just installed Linux Mint for the first time. I have two hard drives which were previously in a RAID configuration. Now before I have installed Linux I've changed them to individual ...
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750 views

Terrible performance on linux mint 16

I am having difficulty with getting linux mint to cooperate with my desktop. Specs: Mobo: Maximux IV Extreme-z CPU: i7 2600k GPU: 2x R9 290x Storage: (240GB) 2x OCZ Vertex 3 on RAID0 (Currently ...
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560 views

RAID configuration disappears after reboot

I am using SUSE to install Hana in my system. I have 2 298 GB HDDs which I am going to configure as RAID 0. I am using mdadm to create a RAID array. I use the below command to create the RAID array. ...
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216 views

How to rebuild a two drive raid 1 array on Linux?

I need to rebuild a two drive (160x2) raid 1 (mirror) array. It was an Intel raid from a 7 year old Dell computer (Windows). Both drives are assumed to be functioning. The raid was created with an ...
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97 views

mdadm RAID 5 and parted unrecognized disk label

I have three 3 TB drives that I am attempting to put together into a RAID 5 setup with mdadm, but I am running into some issues. (Actually, I have four 3 TB drives I will be using, but one of them ...
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If MBR is broken, how to fix on RAID + LUKS encryption?

Problem: After HDD failure in a Software-Raid Mirror Debian does not boot. Only black screen with blinking _ Debian Setup: Within the raid I have a complete system encryption with luks. I am not ...
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Recovering a (not yet created) RAID5 with URE (Unrecoverable read errors)

I wan't to create a RAID5 array at home, the OS is Linux (Kernel 3.15.7) and the array will be created with mdadm. I wan't to create the array with eigth or ten 1TB discs. Let's assume a single drive ...
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software raid priority (systemtap)

I'd like to know on which priority software raid works (level 1 if it matters). So I wrote simple systemtap script to do the job, but I'm not sure if I have done it correctly. [root@asus-ux21e ~]# ...
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How can I track virtual Disk device to physical slot?

I'm kind of new working with Unix (Ubuntu). I managed to install Ubuntu on RAID1 and mounted 3 RAID 0 drives. I have a 9271-8i storage controller: RAID1 (sda) - Unix installed RAID0 (sdb) RAID0 (sdc) ...