RAID stands for Redundant Array of Independent Disks, and is a technology which can provide increased reliability, performance, and/or redundancy by utilizing multiple hard drives simultaneously. RAID can be implemented in a computer via either a hardware or software controller.

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tuffy can't get custom kernel to work, broken things USB2 radeon raid reiserfs

Please note that I've tried asking on linuxquestions but they had no clue, I also tried asking the kernel devs, but non of the free email services that I can find allows the bandwidth that would be ...
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39 views

Parity errors after verify with Intel RST

I have Intel RST RAID 1 running on a Windows 7 machine. I have it set to do a verify and repair every week. I frequently notice parity errors, some weeks over 100 for a 1 TB RAID 1 array. I've ...
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2answers
3k views

Very slow volume expand on Synology ds2413+

I've posted this elsewhere on the internet aswell, and will obviously reply in both places if a proper solution is found. I am attempting to expand SHR volumne (2x4TB, 1x2TB) with additional 4TB ...
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1answer
485 views

Add Mirror for volumes other than the last one in Windows 7 (disk “not up-to-date”)

I'm using Windows 7 x64 Ultimate. I have an existing 4TB disk with 3 NTFS volumes, a new 3TB blank disk, and I'm trying to mirror the volumes onto the new disk. My Windows install is on an SSD which ...
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0answers
13 views

XP unable to hibernate with system installed on LSI controller?

I'm trying to build a workbench machine that will multi-boot all sorts of OSes, one of which will be XP32, SP3. So first up, please don't tell me how silly it is to be installing this nowadays, ...
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3answers
18 views

Raid of single ssd

This is bit of a follow on from my previous question us HP Smart array. Is it possible to RAID a single ssd? What setting will need to give it? What benefits will I have?
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4 views

Missing /grub/stage1 file

My situation goes like this. I have a SW-RAID1 setup on the server. Unforunately, it is only able to boot from device sda, without it. The server will not be able to boot up using device sdb. So after ...
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RAID 0 (striping) for Windows partition, rest in separate partition, 2 disks

I am planning to put two disks (actually SSDs, connected via M.2, does it matter?) in a system, one is 128 gb, the other is 512 gb. Is it possible to stripe/raid 0 the 128 gb disk together with the ...
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17 views

Multiple HDDs hanging constantly

I have an AMD Windows 7 system which has its OS on an SSD, and until previously had a single 4TB HDD as a data drive. I never had an issue with that drive until I installed a second 4TB drive and put ...
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5 views

How to disable creating device nodes of ldm disks in ubuntu?

Yesterday I've installed ubuntu 14.04 to my mother's home computer. That's really good deal, but she uses windows too to work with documents. This documents is placed on the Windows dynamic disks in ...
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1answer
21 views

RAID 0 disk failure,how much Recovery chances?

I had a RAID 0 with 8 disks. One of the disks failed. Is there any possibility to recover data from the remaining 7 disks?
0
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1answer
17 views

Which is faster: write two big files to separate hard drives, or write them to the same set of drives in Raid0

This is sort of related to the answer here: http://superuser.com/a/325771/396863 Let's say I have a two 1 gb files which I want to simultaneously write to my hard disks. As noted in the linked ...
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1answer
31 views

RAID Disk failure - one per day (3ware 9650SE - Seagate Barracuda 3TB)

I have a RAID6 config, with 3ware 9650SE-8LPML card and 6x Seagate Barracuda 3000GB running from early 2012 (May?). Those HDD were quite big for that time. They always made a strange noise when ...
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1answer
233 views

Is it possible to convert a btrfs RAID5 to a RAID6 with the same disks without losing data?

How would I convert an existing RAID5 (single parity) btrfs setup to a dual parity RAID6 configuration given enough free available disk space, using the same disks, without swapping out data ? ...
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1answer
15 views

Assemble 3 drive software RAID5 with one disk missing

Is it possible to assemple a three drive software RAID5 with only two disks? I have one failed disk in my setup which i could not read at all but the two other disks are fine. So i created a dump of ...
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0answers
14 views

File/folder or program (SQL data) access becomes slow in network from the server- network connectivity issues in the newly upgraded server

Info: New server configuration is as follows Server chassis: CHENBRO CHASIS Model: RM-41416B Motherboard: Intel Server board S2600CP4 Processor: Intel XEON E5-2630 V2 (Single CPU) RAM: 8GB RAM ...
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2answers
965 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 ...
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0answers
12 views

BTRFS, Files on a single drive in array but keep 2-parity?

Is it possible to setup a BTRFS array of disk but tell it to keep files on individual disks instead of stripping them and still keep a 2-parity? The idea is that if three drives die, the files on the ...
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0answers
3 views

Will plugging in additional hard drives when RAID is enabled in the BIOS mess up the drives?

My girlfriend's computer has one drive, and the bios is configured to have raid enabled. When I try putting it in legacy / no raid mode windows gets a bsod during boot and restarts. Not sure what's up ...
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0answers
6 views

Pegasus RAID *missing* a drive

I have a RAID5 Pegasus R6, connected via Thunderbolt. At some point, it started making strange repetitive beeping noises; when connected, one of the drives wasn't showing up at all. Shortly ...
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0answers
8 views

Multi-channel SATA RAID card to RAID 4 Bay Enclosure

I have a Mediasonic ProBox HF2-SU3S2 4 Bay 3.5" Hard Drive Enclosure. The box only has one eSATA port and one USB 3.0 port on the back. According to the manual of this storage box I need to get a ...
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1answer
27 views

linux + RAID - on which disk are my file?

I have a server with 4 physical disks ( HP WK 8600). Seems like the 4 disks are mounted on a RAID card. The Ubuntu 14.04 sees only one disk. -wks:/dev$ lsscsi -g [2:2:0:0] disk INTEL ...
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5answers
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How can I make mdadm auto-assemble RAID after each boot?

I successfully created a RAID (mirroring) by utilizing mdadm. However, I must run the following commands after each boot: mdadm --stop --scan // to stop /dev/md127 - I don't know where the number 127 ...
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2answers
479 views

Dynamic Disk (software RAID) not accessible after windows 10 upgrade

I have two 2TB drives set up as a single volume in Windows. In Disk Management these physical drives are listed as Dynamic. I set them up in Windows 7, and they continued to function fine when ...
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1answer
52 views

Can I reuse an overheated HDD after formatting in a ZFS RAID1?

I have a WD50EFRX which overheated according to SMART data (95 degrees celsius) and damaged some blocks (raw value of Raw Read Error Rate ~ 22000). There're no other values besides the Raw Read Error ...
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4answers
25k views

How can I install an AMD RAID driver after Windows installation?

This is similar to this question, but for AMD (or general for all hardware, if such solution exists). Windows 7 is installed with a SATA controller in AHCI mode. Afterwards, I added two more hard ...
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0answers
11 views

Fix boot sector / raid issue

So I had windows 7 installed on a raid 0 "drive", and therefore had my bios set in raid mode rather than AHCI mode. I then installed installed win 10 on another drive. It's just 1 SSD, no RAID, but ...
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1answer
12 views

Repair raid after bad suspension (Error Occurred 0)

My zenbook after a standby problem in xubuntu 14.04 is not booting anymore, neither xubuntu nor Windows want to boot. This screen comes up after BIOS: pressing ctrl-i i obtain: Option 1,4 and ...
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1answer
20 views

LVM2 RAID6 CentOS 7 not working

I have a server with 4 spare 6 Tb disks. I want to set up RAID6 on these four disks. It is well understood that 4 is the minimum one needs to set up RAID6. No matter what I pass to LVM2, I get ...
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5answers
28k 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 ...
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0answers
9 views

Can Preload CLI provide same\alternative RAID setup options?

So I access server over supermicro IPMI which does not support USB mouse thus WebBIOS for RAID setup is not an option. Yet "MegaPCLI SAS RAID Management Tool" is an option and I hope alternative. ...
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1answer
24 views

RAID 0 + Backup

I have two 1GB hard (A) drives, and one 2TB hard drive (B). What I want to do is set up a RAID 0 on (A) and then back it up to (B). To my understanding, this would be different than a RAID 5 set up, ...
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0answers
37 views

How to turn a current drive into a RAID array?

Everything I've been able to find by googling on creating RAID arrays assumes you are starting from scratch with blank disks. However, I have a drive that is almost filled, and would like to turn it ...
0
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1answer
17 views

Resize/Move RAID 1 Partitions in Kubuntu

I have a client who didn't heed my warnings to compress/archive data, and now they've managed to fill a 4TB HD (ack) and now it won't boot due to no space left on /home for temp files. The good news ...
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3answers
191 views

RAID, SSD or alternative software for playing back raw 1080p60 video?

I am a researcher working on video compression. As part of my work I need to play back raw (i.e. not compressed) video at the correct frame rate for participants to view as part of a compression ...
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1answer
37 views

Can I recover data from raid 1 drive after windows installation?

I had a raid1 setup on asus motherboard on windows xp. At some point one drive failed and I took it out. For a long time I continued to use the remaining drive without replacing the bad drive and ...
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0answers
19 views

lvmcache — one cache pool for multiple origin LVs

I have a shiny new computer with a not-that-large SSD (120GB) and two gigantic spinning-rust HDs (3TB each). I want to partition it as follows: swap (~128GB), operating system (~128GB), and data ...
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2answers
2k views

Is a home NAS reliable to keep your data on (no other backups)?

The question came up while I was thinking to move some data (e.g.) pictures, old but important other data solely to the NAS (private use, no business level). My NAS is a simple 2 disk RAID system. I ...
0
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3answers
31 views

Ubuntu - OK to raid0 and raid1 on same two drives?

I'm building a household Ubuntu 14.04 server and just installed two 3TB drives for the files and media. The box (HP DC7900 SFF) uses Intel Matrix RAID which, according to wikipedia is neither hardware ...
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1answer
599 views

Did my case fan damage my harddrives?

I just had the weirdest problem: I installed two new fans (Zalman ZM-F3's) in my Antec Sonata II case, one as a replacement (at the back) and a new one for additional airflow (at the front). The weird ...
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1answer
3k views

Synology NAS station - how to mirror 2 HDD (Simple how-to)

I have a following problem with my Synology disk station: I had one small HDD in Synology Diskstation, so I removed it. I bought 2 new HDD with same capacity. I transferred backup from old disk to ...
0
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0answers
11 views

Rampage IV Extreme RAID, don't even see a Ctrl+i option

Trying to do a RAID 0, went to the SATA settings, changed to RAID, didn't work. Try turning on hot plug, doesn't work. Tried IRST instead of RSTe, doesn't work. Disabled fast boot, doesn't work. Not ...
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0answers
8 views

Moving a Promise SmartStor Raid 5 to a Promise Pegasus2

Hi guys I have a Promise SmartStor DS4600 RAID server that is out of space (4gb). I want to move all the data to a new RAID server made by Promise (8gb or 12gb). I am having a really hard time ...
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1answer
578 views

How to setup a RAID for a fileserver?

I have been looking for about a week now at possible RAID options for the home file server I'm building. At first I was looking at RAID 5, but then read RAID 10 has faster read/writes. A few people ...
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1answer
91 views

Fail device in md RAID when ATA stops responding

I had created five 1TB HDD partitions (/dev/sda1, /dev/sdb1, /dev/sdc1, /dev/sde1, and /dev/sdf1) in a RAID 6 array called /dev/md0 using mdadm on Ubuntu 14.04 LTS Trusty Tahr. The command sudo mdadm ...
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2answers
3k views

misaligned raid partition in Ubuntu 10.04

I attached two identical hard drives to my linux machine. Then using gparted I formated the first 1024 mb at the beginning of each drive as linux swap space. Then I went into ...
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0answers
88 views

How to make the low cost , most efficient NAS raid with Raspberry Pi [closed]

I'm doing an experiment with my Raspberry Pi for education and giggles. I'd like to know which is the most energy and speed efficient option considering the materials I have and what I'm trying to do. ...
0
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0answers
15 views

Replace (non-raided) drive in raided server

Current setup: ~100gb disk (sda) with 4 partitions: /boot, /home, "system folders", swap 500gb RAID5-array (md0) with 1 partition: /var OS is Ubuntu Server LTS 15.04 on an old hp 32-bit system ...
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1answer
79 views

suse linux installatation on HP Gen9 server

I am unable to install SUSE Enterprise Server 11.0 with sp3 on HP gen9 server. It's unable to recognize the storage. The raid controller is p440ar. It had tried installing with HP ProLiant Gen9 ...
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2answers
35 views

SSD (SATA) Disk along side RAID with 3 Disks

I have the P6T7 WS motherboard (https://www.asus.com/Motherboards/P6T7_WS_SuperComputer/) and wanted to install 4x 4TB drives as a RAID 10 on the ICH10R Serial ATA connectors (6 times) , I have also ...