Redundant array of independent/inexpensive disks; a technology which utilizes multiple disks to provide increased reliability, performance, and/or redundancy. Can be implemented either in software or with a hardware controller.

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146 views

Software raid and filesystem

What is the relation between software RAID and a file system? Are they related? Should I use a file system when I am using software RAID or I can access raided disk for RAW read and write?
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16 views

MSI Workstation WS60

Is there any way to change the C drive windows install to the larger normal laptop drive without a re-install, or even with a re-install? The problem is the 128 Gb pair of M2 SATAs in Raid 0 is too ...
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26 views

Raid 1 upgrade path?

I have a 3ware 7950-4i RAID controller configured as the boot drive for a Linux server running several virtual machines. It is populated with three 1 GB drives. u0 consists of p0 and p1 configured as ...
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1answer
121 views

SSD RAID and NCQ - is there any benefit in this configuration?

Current situation My System (Fujitsu Celsius M730) is currently using the following disk Setup: Intel C600 series chipset SATA AHCI Controller Port0: Samsung SSD 830 (latest firmware) Port1: DVD ...
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2answers
87 views

Raid 5 Nas or Raid 5 with FreeNas?

I need to buy or build a Raid 5 NAS system that is somewhat reliable. 70% of its use will be for storage (such as for back ups), the remaining 30% will be for accessing files from the Intranet. ...
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1answer
41 views

How is Data Recovered when a RAID array fails

I am thinking of using hardware RAID (levels 5 and 10) on my computers. What I don't get is how is data recovered when something goes bad and the RAID array fails (RAID Card problem or anything else). ...
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1answer
24 views

Do I need RAID1 in a galera cluster?

I have a 3-node galera cluster that supposedly performs synchronous write replication across the entire cluster. I am trying to figure out if it is a good idea to use a software RAID1 3-HD on these ...
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1answer
38 views

SSD won't show up in RAID utility but shows on Windows

I have two SSDs, installed on a ASUS z77v pro motherboard: A Samsung 840 and 850 EVO. My Windows 10 (64-bit) installation is on the 840. It works. It runs. I’m on Windows right now using it. But when ...
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0answers
926 views

Windows not finding HP Smart Array P410? (Windows 7 Ultimate, Server 2012, 2012 R2) HP EliteDesk 800 G1 SFF

Windows not finding HP Smart Array P410? (Windows 7 Ultimate, Server 2012, 2012 R2) HP EliteDesk 800 G1 SFF I have got myself an HP EliteDesk 800 G1 SFF (i5-4590 @ 3.3GHz, 8GB RAM) to use as a home ...
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42 views

can copy large file to nas

I'm trying to recover a faulty raid and I have successfully recovered it , I'm using a software called UFS explorer to rebuild the raid 5 and I can see the files when I try to save the recovered ...
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1answer
27 views

Remote backups via sneakernet

I have a NAS drive with two internal HDs set up in RAID 0 (seen as one complete drive) and two separate external HDs as backups. I plan to keep the backups off site. This means intermittently I want ...
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95 views

Internal Drive errors on specific drives; others are OK

I'm running Windows 8.1 All my drives are formatted NTFS I have several internal disk drives on my desktop. My C: (boot drive) is fine. But on my D: and E: drives (3 2TB Seagate drives in RAID 5 ...
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0answers
100 views

Debian Jessie with dmraid

So I'm having issues, I have the following... Windows 8.1 on RAID0 SSD 2 3TB WD Reds NTFS Formatted 2x WD Raptors RAID0 I want to install Debian on the 2x WD Raptors on the INTEL Raid. I can do this ...
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1answer
68 views

Does mdadm record array event history?

I received an automated email from the mdadm daemon: A Fail event had been detected on md device /dev/md0. It could be related to component device /dev/sdh. I find the wording strange. "could be"? ...
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2answers
35 views

Converting from single disk to software RAID without loosing data

A while ago I purchased 2 kingston 240GB SSDs which were on sale and I ran my windows from one of them. The other one has just been sitting there for almost a year now. I now want to RAID them but my ...
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0answers
39 views

Drive replacement on Intel Raid, Ubuntu errors

I have a RAID 1 system with two drives. The other drive was reported as failing so I replaced it. However, the rebuild seems not to work as expected. The Intel manager (pre-boot) marks the raid for ...
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1answer
73 views

Can not format dual mSATA enclosured mSATA SSD

I got a dual mSATA enclosure to 2½ SATA convertor from Startech. My hard drives are 2 SanDisk 64GB mSATA SSD's. I am trying to create a RAID0 array to load my windows 10 on it as my main drive ...
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1answer
23 views

Adding a device with data to a RAID0 config

If I have a device mounted in RHEL, how do I add another device to it and make it a RAID0 config? I know how to mount two new devices in a RAID0 config, but how do I do it with one device that is ...
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1answer
79 views

Folder Size 18.7gb but Size on disk 1.33TB - why/how could this have happened? Synology DS212 NAS RAID

To start - I am way out of my comfort zone trying to fix this problem but I am not sure what else to do! We have (2) 3TB hard drives in a Synology DS212 NAS RAID and are constantly running into ...
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1answer
113 views

How can I add a second hard drive to mirror the first one in RAID?

I have a HP ProLiant Gen8 MicroServer with a Hardware RAID Controller. The model is Dynamic Smart Array B120i/ZM. I currently have a single hard drive mounted. I would like to add a second identical ...
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0answers
49 views

Windows Mirrored Volume Failed

I have had a mirrored volume working in windows 7 for a few years now, and its been fine. I recently built a new pc with windows 10 and moved both disks(mirrored volume) over to the new machine. When ...
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0answers
56 views

Reboot Windows 7 remotely, stuck at Windows Boot Manager screen

I have set up a windows software RAID on my Windows 7 PC. I want to remotely reboot the PC, but when I do this it gets to the following screen and waits for user input: I can't see any countdown ...
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2answers
19 views

Raid 1 with two hard drives, which hard drive will overwrite the other?

I have two hard drives in a raid-1 volume that Windows 7 boots from (let's call them harddrive-a and harddrive-b). I got a third harddrive-c so that I could install Linux. To protect my Windows ...
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1answer
25 views

Is it possible to create striped array (RAID 0) with two parts on two disks (Windows 7)?

I have 2 physical disks. Part of one disk is occupied by Windows 7. I have two not allocated parts on these two disks of equal size. Is it possible to create striped array (RAID 0) with two parts on ...
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4answers
472 views

How to upgrade SSD firmware on Intel RST RAID 0 member disk?

I have a random bunch of SSDs working in an Intel Rapid Storage Technology RAID 0 to serve as my system drive. To setup an Intel RST RAID drive, in UEFI one must change the SATA controller to RAID, ...
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1answer
55 views

Can Windows 7 make good (high performance) use of RAID 1 between a SSD and a HDD?

Recently my hard drive died, and I lost all my files and I am really sad. Right now I am making a software 1 raid between my 2250MBps/1850MBps Pcie 3 8x SSD, and my 1TB 170MBps/170MBps hard drive. ...
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1answer
43 views

Change one disc to AHCI

I have one SSD that I'd like to use in AHCI mode, and two discs in RAID mode. Right now all discs are in RAID - the SSD, and two HDDs. I would like to change only one of them to AHCI? I found in the ...
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0answers
182 views

M.2 SSD Raid with PCI-E or SATA

I have recently bought Intel i7 6700k, Asus Maximus VIII Hero and Samsung EVO 850 M.2 SSD. I want to use SSD as a cache drive. So, I enabled RAID mode from AHCI. In BIOS there's this option: M.2 ...
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1answer
17 views

Dump all data to just one disc

Right now I have two HDDs set in RAID-0, each having 1TB. And I bought SSD drive that I want to connect right now. The problem is that I only have two SATA connectors. I have power connector, but not ...
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0answers
105 views

Windows Server 2012 R2 RAID 1 setup?

I currently own a computer that has Window's Server 2012 R2 at home. I am a Student and how I got Window's Server 2012 R2 was through dreamspark. Today I have a question. Currently I am only running ...
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2answers
76 views

Reallocate space using parted (no gui )

I'm running a Ubuntu server 14.04.3 LTS. The partitioning has been created automatically and now I have a problem with root directory space. There is a raid /dev/md3 with almost 2 TB free and a ...
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0answers
69 views

Resume btrfs balance after interruption due to ENOSPC

I'm building RAID5 out of 3 devices (3.7TB each). I run: btrfs balance start -dconvert=raid5 -mconvert=raid5 /mnt/storage0 and it did process 3471 out of 3472 (sic!) chunks after which it failed ...
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1answer
135 views

Having SSHD while using an SSD working on AHCI mode

So I have an SSD working on AHCI mode. I'm planning to add an SSHD to my rig, so the question is do I have to change SATA controller to RAID mode when I got my SSHD? (to enable its Built-in SSD ...
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0answers
173 views

How to reformat a hard disk that was previously in a RAID configuration?

I have 2 internal Seagate SATA hard disks that were, at evidence as far as I can judge, mounted in a RAID configuration. These disk have been given to me and were used on another computer. The 2 disks ...
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1answer
90 views

Convert boot hdd to RAID 1 array

I've added another hdd to my 'server' since I wanted to clone it using RAID. I've read several articles about converting an existing filesystem to a RAID 1 system. They all use software, and I want ...
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0answers
45 views

Growing mdadm array; Cannot find backup file on FS where it's supposed to be

The situation: I am currently growing my RAID-6 array from 4x4TB to 5x4TB. To achieve that, I used to following command: root# mdadm --grow /dev/md0 --backup-file=/root/backup/raid/4d_to_5d ...
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3answers
76 views

Is RAID 5 still a viable option?

Without writing to much: Is RAID 5 still a viable option in systems > 10TB space. I can handle some hours or maybe 1,2 days of recreation/extending - but more than that would be a pita. I want to ...
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1answer
81 views

Access RAID hard disk drive externally on Windows 7 or 8

We are using Iomega StorCenter ix2 for making our backup. Unfortunately last week it stopped responding and accessing. Earlier I was able to ping the device and only able open it through browser, but ...
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0answers
194 views

Installing Centos 7 with Dell Poweredge 1800 with PERC4/SE RAID

I have a Dell PE 1800 with Perc4/SE controller - 5 SCSI drives. I need to install Centos 7 x64. Centos 6.7 x64 installs fine, but the RAID drivers have been removed from Centos 7. I need Centos 7, ...
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1answer
110 views

Three Disk RAID0+1 Array with BTRFS

Would it be possible to have two or three disks in a RAID0 array and have a separate disk that is as large as the RAID0 disks combined size for pairity? Or, would it be better to just RAID0 the ...
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1answer
303 views

Retiring disk in Simple Storage Space (Windows 10)

I'm banging my head against the wall trying to work something out with Windows Storage Spaces (WSS). Here's what I'm up against: I have 2 250GB drives in RAID1 (OS Drive), 2 3TB drives and 12 1TB ...
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0answers
44 views

Recover mdadm Raid5 array after one drive failure

I've been working through a number of posts on this issue but want a sanity check before trying to find a way to reassemble this array. I have a Mint 17 build with a raid 5 array for data storage ...
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1answer
37 views

software or hardware RAID 5 for home server? [closed]

I have seen a few similar questions here but they are all years old and since the technology landscape is so volatile I thought it best to start afresh. Plus, few of them speak specifically to raid 5. ...
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1answer
37 views

Any advantages of having Raid0 with single drive?

Are there any advantages of having a Raid0 configuration with a single drive? Both Intel controllers and LSI controllers I'm using allow for Raid0 creation using a single drive. Is there any ...
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1answer
273 views

How do I fix the system tray icon for Intel Rapid Storage Technology?

I have the Intel Rapid Storage Technology icon enabled: But I don't get it in my system tray. I am not in Safe Mode. The problem is when it starts verifying my RAID array and I have no way of ...
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3answers
986 views

HP Smart Storage Administrator CLI hpssacli “Error: No controllers detected.” on Ubuntu Server 14.04.1

I've successfully installed Ubuntu Server 14.04.1 LTS on the HP Microserver ProLiant Gen8. Before installing, I booted into the Intelligent Provisioning and set up a RAID 1 with two disks. During ...
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0answers
30 views

Software RAID setup on an MBR drive

In Mike Meyers' CompTIA A+ book when talking about different partitioning schemes, he says "A dynamic disk volume is still technically technically a partition, but it can do things a regular ...
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1answer
21 views

RAID0 ; Need to restore configuration

I have a Dell Poweredge workstation with Ubuntu server installed in it. Hard disks are configured with RAID0. While using the RAID controller setup (after restart), I removed one of the six hard ...
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0answers
904 views

How do I disable Intel Rapid Storage Technology?

After googling for a long time, I also posted this question on Quora but I'm not sure I'll get an answer. So sorry for double posting this question. I have a very nice MSI gaming laptop with a 250GB ...
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1answer
24 views

How to set raid on lvm in Debian?

I have 3 hard disks with lvm installed and I have 2 Logical Volumes created with lvm. I want to make a raid with theese two logical volumes. Is it possible? Like this scheme: /etc /var /home ...