Tagged Questions

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 – the ...

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31 views

Performance penalty with different brands of SSD in a RAID 0?

I have a Patriot Pyro 120GB SSD with 515MB/sec write and 550MB/sec read. Should I definitely buy an identical Patriot Pyro if I want RAID? Is mixing brands a bad idea? What kind of speeds should I ...
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1answer
19 views

floppy disk controller mobo no connector RAID XP

I want to install a floppy disk drive, but my new ASUS P8Z68-V LX mobo does not have the floppy drive connection pins on it. What can I do? Is there an adapter? Or does a USB-floppy work at XP ...
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4answers
88 views

Desktop RAID worth it?

I am going to redo the drive configuration on my desktop and right now I am considering options. I have an SSD for the OS and vital programs and HDD's for everything else. I have two 2TB disks of the ...
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2answers
28 views

Raid Enclosures for running VM's

I'm looking at getting a Raid Enclosure for running vm's on. I have noticed that the ones that I have found, only have 1 sata port on the back of them. I'm going to be running the hard drives in ...
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0answers
28 views

Adding RAID drivers on Windows XP

I am trying to get the IRST INTEL RAID drivers installed on an XP system. I can only boot the XP system in IDE mode, but then I get the 'wrong hardware' message trying to install the RAID drivers. I ...
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1answer
39 views

mdadm - software raid

I set up a small raid based Ubuntu 11.04 server machine and have just received this email from it. How can i verify or check this ? Richard This is an automatically generated mail message from ...
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1answer
24 views

Which CD-based antivirus can scan ICH10 RAID1 array?

I need to scan my Windows 7 system while booted from CD. However, my system is installed on ICH10 (Intel Matrix Storage) RAID1 array. I tried AVG Rescue CD, however it didn't detect my RAID array. ...
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2answers
49 views

Does RAID1 increase performance with Linux mdadm?

I have a cheap 2-bay NAS with a 2TB HDD. To be robust against disk failure, I'm thinking of buying a second 2TB HDD and putting it in RAID1 with Linux mdadm. The file system is ext4. Will this ...
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2answers
37 views

Can't boot Windows XP after putting HD into another RAID 1 PC

I have an existing Windows 7 system with RAID 1 set up on two HDDs. I have a third HD fromĀ an old computer that has Windows XP Pro SP3 on it. I want to put this HD into the new computer so I can ...
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2answers
37 views

Fibre Channel, HBAs, iSCSI, general IT knowledge?

I am looking between two options, a pair of Emulex LPe1150-E cards or a pair of Dell XR997 cards. What I'm looking to do: I have a RAID6 array with an NTFS volume on an Areca card. I have my ...
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0answers
18 views

Single drive to RAID 1, RAID 1 to single drive, existing drive to new RAID 1 array [closed]

Lets imagine three situations: 1)You have two hard drives in your PC. Drive A contains Windows installation and other files. Drive B is an empty drive. Your Motherboard supports RAID 1(additionally 0 ...
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2answers
32 views

What is the impact of using a Desktop edition disk in a RAID 1 setup?

I am setting up an onsite backup server in RAID 1 (soft) with low usage. I prefer quietness and reliability over performance: so I selected one of these "green" disk. Some NAS brand recommand these ...
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2answers
31 views

What are the theoretical performance differences between a single disk and a RAID-10 array?

Not taking hardware RAID cards into account, what kind of theoretical performance improvements should I see when using 4 disks in a RAID-10 array vs 1 disk by itself? For example, on RAID-0, I would ...
0
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1answer
39 views

XFS Can't Read the Superblock

I awoke this morning to find an email from my RAID host (Linux software RAID) telling me that a drive had failed. It's consumer hardware, it's not a big deal. I have cold spares. However, when I ...
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0answers
52 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 ...
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2answers
29 views

Can I run multiple RAID arrays on a single RAID card?

I"m looking to buy a hardware RAID card for my Linux computer which I'm building, and I'm specifically considering this Intel model. I'm planning on running multiple RAID arrays in my computer: a ...
0
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1answer
52 views

How do you disable BIOS RAID on SuperMicro X9SCL/X9SCM motherboard?

I am trying to install SLES11 on a computer with a X9SCL/X9SCM SuperMicro motherboard. The BIOS version is 1.1a (9/28/2011). The SATA controller configuration gives me the following choices: AHCI ...
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1answer
27 views

how to know execution time of a background task in Linux

I am working with software raid in Linux. When I start the recovery of a raid array after a disk failure this task happens in background. /proc/mdstat should show the estimated time of recovery but it ...
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2answers
59 views

Does hard drive cache size matter in a RAID? [closed]

Possible Duplicate: Does hard drive buffer size matter? Ok, so not a RAID exactly, but I just bought a drive-less Drobo to use as raw storage for video/photo work and am now browsing hard ...
3
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0answers
38 views

What's the difference between the Adaptec Hybrid RAID and MaxCache Using SSDs?

From this line of controllers http://www.adaptec.com/en-us/products/controllers/hardware/ Explained further here http://www.adaptec.com/nr/pdfs/product_overview.pdf My interpretation is as ...
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3answers
66 views

Is it better to partition hard drives for a RAID?

I have four 1TB hard drives and want to set them up in a RAID (5). Some calculations: 4x1000G = 3000G usable space 8x500G = 3500G usable space 16x250G = 3750G usable space Does this mean it will ...
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2answers
45 views

USB3 with 2x SSD enclosure (RAID0/1)?

Soon I plan on getting SSDs. However I would want a SSD enclosure with two slots and raid0/1 support. I cannot find one like this so do they exist? I would use raid1 in case one of the SSD fails I ...
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0answers
17 views

How to build raid with notebook hard disk and one USB hard disk

I have one USB 3.0 connection disk, Is it possible to build a raid system with the big disk and my internal notebook's disk. I want to make the read time faster. If that is possible, Which raid is ...
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1answer
57 views

Does a SATA III controller for PCI-e 1.0 (x16) exist?

I'm trying to hunt around for a solution to a disk issue I have with my home server. Basically, I started to use it to stream video (going from a virtual host, it now does alot more). I see alot of ...
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1answer
45 views

Win7 soft-RAID failed, computer “jumped back in time”

I just rebooted my computer and upon logging into Windows, things seemed a little bit "off". I figured out rather quickly that everything was like it was two weeks ago. It was literally like ...
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2answers
42 views

Can I set up a RAID 5 with a bunch of drives of different sizes?

I currently have 3 1TB drives, a couple 500GB ones and some 750GB ones. Can I put them all in a RAID 5 configuration or do they need to be of same size?
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4answers
53 views

Hardware Raid or software for Dell Workstation?

I am buying a new Dell T-7500 workstation. My application is stock market trading. After a Hard Disk crash once, I learned that I need an extra hard disk always ready in case one fails. Dell is ...
0
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1answer
36 views

Examples of encrypted hot-swap RAID NAS for SOHO use?

As per title. Does an encrypted hot-swap RAID NAS even exist?
0
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1answer
52 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 ...
1
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3answers
74 views

How to select a 2nd disk for RAID 1

I have a computer (Windows 7 x64 Professional, Intel Chipset, Intel Matrix Storage Manager installed) with 1 TB HDD (HP 1-TB 7.2K rpm SATA6.0Gb/s 3.5"). I would like to install 2nd HDD and create a ...
0
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0answers
29 views

How is WHS 2011 handling backups of a mirrored drive (RAID-1)?

I have Windows Home Server 2011 automatically backing up my PC. The relevant specifications are that my 500GB system drive is a software mirror and my PC is running Windows 7 Ultimate SP1. I expected ...
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1answer
62 views

Can Adaptec's MaxCache and/or LSI's CacheCade SSD Caching solutions be set up from the BIOS alone?

Context: I'm speccing out a server for work, and one of the requirements is that it will have a bunch of SATA HDDs RAID 5-ed together. We need some sort of SSD caching solution for high performance, ...
2
votes
1answer
114 views

Add a hard drive to expand RAID 5 array on Intel RST (Rapid Storage Technology)?

I have a RAID 5 array of 3x1.5TB hard drives currently set up on my Asus P8P67 motherboard, and I'm wondering if I could add another 1.5TB hard drive to it without having to back up my data and ...
2
votes
3answers
96 views

RAID on Solid State Drives

Are there any notable differences, other than (awesome) performance, when running RAID arrays made up of solid state drives? I'm considering one of the two: 4 x 256GB SSD in RAID-10 (total usable ...
4
votes
2answers
94 views

Multiple operating systems/partitions on a hardware RAID array?

I've read that running multiple operating systems/boot partitions in RAID arrays doesn't always work as planned and is difficult at best. Is this true only of software RAID arrays? If so, that makes a ...
2
votes
2answers
118 views

Why are hardware RAID solutions relatively expensive?

I was looking more recently into building a RAID-10 array for good drive performance and parity, and I started looking into hardware RAID cards. I was thinking I'd be paying under $100 for one, but it ...
0
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0answers
47 views

fakeraid and ubuntu 11 (xubuntu) installers

I have an nvidia fakeraid implementation (asus a8n32-sli) configured in a 3 disk raid 5 configuration. I have run the xubuntu 11 installer (desktop) in the "use entire disk" mode. At the end it tries ...
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1answer
79 views

Which RAID level gives me protection against bit errors?

I might confuse things with parity here, but does any of the RAID levels except RAID2 employ any means against silent bit corruption in the data? What about checksumming? I am not talking about ...
0
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2answers
43 views

Hard drive configuration advice

I've got a few hard discs that I'd like to put in some sort of redundant configuration. Their sizes are: 600 GB 1 TB 2 TB I'm not sure if this is possible, but I'd like to be able to abstract the ...
4
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2answers
58 views

Can I move a drive from a hardware-controlled RAID 1 mirror into a “dumb” system?

I'm considering a Sans Digital eSata RAID enclosure to expand the capacity of a system with no room for more internal disks. I would put two 2TB drives in the enclosure and set up RAID 1 mirroring. ...
6
votes
1answer
89 views

SATA III 6Gb/s, is that 6gbit/sec per device, or for the entire controller?

If I have (12) SSD drives in a RAID6, will the max connection speed of each drive be 6Gbps, or is that for the entire controller?
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0answers
19 views

View Files from mirrored RAID outside the device

The Product I have is a Western Digital My Book The device has stopped working but there is nothing wrong with either of the two mirrored drives. I would like to take out the two mirrored hard ...
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2answers
71 views

Theoretical maximum transfer rate of 10 external USB 2.0 HDD in RAID0

I know the theoretical maximum transfer speed of USB 2.0 is 480mbps, which calculates to be 60 MB/s. If I have 10 external hard drives in RAID0 all plugged into 10 USB ports at the same time, will I ...
3
votes
1answer
43 views

Is Online Capacity Expansion possible in Windows 7 software raid?

Many low-end raid cards now offer Online Capacity Expansion (OCE) and Online Raid Level Migration (ORLM). This explains both. Can I do OCE or ORLM on my Windows 7 software RAID to add disks and/or ...
3
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2answers
85 views

What would work faster: One PCI-E based super fast SSD 120GB or 4 SATA 2 SSD's 60GB inside some RAID?

I want to change my current RAID (HDD based 4 sata 2 120GB) on which my OS (Windows 7) is installed to some more fancy fast and modern SSD based. I have 2 options - 4 OCZ AGT3-25SAT3-60G or one 120 GB ...
2
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0answers
63 views

I obtained an old server from a friends friend; how can I find EITHER the product key or the admin password? [closed]

Possible Duplicate: How can reset Windows administrator password? The computer in question is an IBM Netfinity with a RAID configuration using SCSI disks. I know how to crack admin ...
1
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1answer
289 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 ...
0
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2answers
31 views

Windows System image to remove raid

I have a system running Windows7 with Intel's onboard SATA 'fake' RAID It's causing issues with some software so I'm trying to remove it. I have the system imaged to an external drive, boot from CD ...
2
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3answers
112 views

Ideal location for pagefile for workstation?

I have a workstation with 16GB of RAM, an 80GB boot SSD, and a software 4x 80GB array for scratch, running Windows 7 64-bit professional. The SSD is slower in sustained throughput than the array ...
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0answers
173 views

Is it possible to create a software Raid 1 with different sector sizes?

For some reason I decided to spontaneously buy a new hard drive that is not of the same model of the main drive and so I mirrored it. Unfortunately the following error message came up in the Windows 7 ...

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