0
votes
1answer
23 views

How do I deal with BTRFS raid1 when usb disk device mappings changes?

I created a btrfs raid1 one by using "mkfs.btrfs /dev/sdc1 /dev/sdg1". It worked fine but next time I restarted my pc it seemed like the sdg device became sdf therefor btrfs refused to mount this ...
0
votes
1answer
27 views

Calculate storage capacity of RAID 2 / 3 / 4?

Given n drives and capacity s of each drive, how would I calculate storage capacity for RAID 2 / 3 / 4? For example, I know RAID 5's storage capacity can be calculated with the following formula: ...
1
vote
1answer
40 views

Usability of solid state drives after long term storage without without power

So, I was recently hired on to a company that has shipped out several 24/7 always on servers.. With solid state drives. I understand that SSD longevity has been improved upon, however to my knowledge ...
1
vote
1answer
71 views

How Fake raid communicates with Operating system(Linux)?

I am a programmer, I studied about software, hardware and Fake raid's and I am unable to understand how fake raid communicates with operating system (Linux)? I mean which software layer or driver ...
0
votes
0answers
89 views

Why are consumer grade RAID controlers MORE expensive than complete external array solutions and are they compatible?

I'm looking at consumer grade ESATA DAS solutions for my home lab. I use vmware workstation with mucho VMs currently all stored on the same 1TB 7200 RPM SATA disc- performance is pretty terrible as ...
1
vote
1answer
49 views

Rackmount HDD storage [closed]

Looking into some storage solutions for a small server. I've got a Mac mini running OS X server providing open directory accounts for all my machines (which are 98% OS X save two Windows machines). ...
0
votes
2answers
60 views

Home Backup Storage Configuration

I'm in the planning phase of overhauling backups at home. Currently, I use CrashPlan Free to backup all the machines to an external hard drive on a server running Server 2008R2. Since this external ...
1
vote
2answers
159 views

One unknown drive in previously operational RAID5 array

I have a RAID5 array on my computer, 3X 200GB sata drives. Everything has worked great forever but all of a sudden when I turn it on the BIOS shows that only two of the three drives are functioning. ...
0
votes
1answer
64 views

RAID how many hdds can you add [closed]

So I'm looking to build something for storing files, and my question is how many hdd's a raid can hold? can I have a raid with a capacity of 100.000 TB or so? I don't know how you would connect so ...
1
vote
0answers
196 views

Intel Matrix Storage controller black screen after reformatting the disk

I have a Dell T3400 PC with an Intel Matrix Storage controller and two disks which were in a RAID-1 configuration. I took out one of the disks and installed Linux on the other disk, breaking the RAID ...
2
votes
0answers
97 views

SSD cache to minimise disk uptime

I am planning to build a small server for personal use, utilising a relatively large RAID-5/-6 (or RAID-Z/-Z2) array as main storage. The vast majority of workloads I envision for this would have ...
0
votes
1answer
36 views

RAID0 Thunderbolt Drive failure risk

I'm thinking of purchasing a Thunderbolt drive to both work off of and also do some long term storage on. (The WD Velociraptor Duo, specifically.) My problem though, is that the majority of 'speedy' ...
3
votes
2answers
53 views

Options to expand storage

I was browsing through external storage enclosures and I read that some enclosures are not supported by the eSATA port on the motherboard if it does not have port multiplier functionality. I found ...
0
votes
3answers
418 views

Do 7.2k SATA drives and a hardware raid controller always end with trouble?

I'm reading the FreeNAS userguide and came across the statement: Note that hardware RAID configured as JBOD may still detach disks that do not respond in time; and as such may require ...
0
votes
1answer
244 views

Optimal disk configuration for Ubuntu home file server

I'm setting up a small Ubuntu file server at home using these 4 hard drives: WD Green 2TB (SATA3, 5400 RPM, 64MB cache) WD Black 640GB (SATA2, 7200 RPM, 32MB cache) 2x WD Blue 1TB (SATA3, 7200 RPM, ...
8
votes
2answers
5k views

Solid State Drive Occasionally Freezes For A Minute While OS Is “Beach Balling”

Almost a month ago I bought Intel 330 128GB solid state drive, migrated my data with Intel branded limited-feature Acronis from old HDD to new SSD, optimized with Intel Toolbox and started using it. ...
12
votes
1answer
9k views

Intel Matrix Storage Manager vs Linux Software RAID

The chipset I'm using supports the Intel RSTe technology. It means that I have two options for RAID setup: Ordinary linux software RAID, using mdadm command. RSTe (either by the BIOS or, again, ...
5
votes
5answers
3k views

should I put my multi-device btrfs filesystem on disk partitions or raw devices?

If I'm going to create a multi-device btrfs filesystem. The official recommendation from the documentation apppears to be to create it on raw devices; i.e. /dev/sdb, /dev/sdc, etc, but this is not ...
1
vote
1answer
2k views

Stop Windows 7 from accessing or writing to hard drive unless “told” to by me? (More info inside…)

A confusing question, perhaps, but bear with me. I have two internal HDDs set up in a RAID0 array which I use as mass storage. I access the drive very infrequently (once a day at most) and so I have ...
7
votes
5answers
2k views

Are there any USB flash drives or SD cards which use RAID or redundant storage for additional reliability?

I'm looking to get a fault-tolerant USB flash drive, which saves data to multiple independent locations, whether using RAID or some other means to back up data. Has a product like this ever been ...
0
votes
1answer
166 views

Transfer Raid Drives to External Enclosure

I have 2 raid disks (a grand total of 360GB) in my laptop. I'm fast running out of space and want to install new drives. I've a pretty good idea how to do this. My question is what can I do with the ...
8
votes
2answers
21k 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?
1
vote
1answer
176 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 ...
4
votes
2answers
1k 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. ...
0
votes
1answer
101 views

File Storage NAS - Do i need to replicate in addition to RAID 5

I am going to buy a NAS server soon. I am pretty sure I know the one I am going to get. It can hold 4 hard drives. If I RAID 5 then I will have about 8gigs of storage. I understand if there is ...
0
votes
1answer
204 views

Corruption-resistant file system that works across Windows and OSX?

I'm planning to build an external RAID-based media drive, and I'd like to use it across both my Windows and OSX machines. exFAT works for both operating systems, but from what I've heard, it's much ...
0
votes
1answer
59 views

Is it possible to connect a Drobo to a Terastation

I have a terastation which has 2x USB inputs for connecting external hard drives or USB printer to, and I want to know if I could connect a Drobo to one of those USBs to effectively put the Drobo on ...
2
votes
1answer
549 views

How do I extend the storage space in my NAS server?

I have a NAS server (Dell R310 and FreeNAS OS) with RAID 1 and 2 x 250GB, and 2 slots for hot plug disk space are free. It is using hardware RAID. But the disk space is almost full, how can I extend ...
0
votes
2answers
635 views

Intel ICH10R vs Marvell 9123 for desktop RAID 1 with SSDs

I have a desktop with an ASUS motherboard with 6 SATA ports. 4x3Gbps ICH10R ports 2x6Gbps Marvell 9123 ports I bought two 3Gbps Intel SSD drives to be used in a RAID 1 configuration (reliability ...
1
vote
1answer
896 views

Does the QNAP NAS boxes support combining multiple devices into one volume?

I'm thinking about buying a QNAP TS-419P+ Turbo 4-bay NAS. The problem is it's not very scalable. If I've inserted 4 disks and filled all the space, there's no way of expanding (Other than buying ...
5
votes
1answer
487 views

RAID for home use

Read so far most of RAID-related posts on this site, but still several points remain shaded so far. First, my mode of working: I am writing music / doing graphical works, so the RAID is kinda ...
0
votes
1answer
709 views

Which RAID for CentOS and Which NAS for CentOS?

I am trying to order a DELL server rack mounted PowerEdge R310 Chassis, Up to 4 Hot Plug Hard Drives and LCD. Question: RAID1 if i use, can i lose a disk and get back data? What happen if i have ...
1
vote
2answers
2k views

Can the drives in a RAID 1 array be rotated?

As a follow-up to my question Disaster recovery backup of files/photos for personal use, it sounds like for personal disaster-safe backup, multiple rotated hard drives is the way to go. One of the ...
1
vote
2answers
651 views

Is a RAID controller as easily replaced as a drive?

I'm thinking about setting up my next computer with RAIDed external storage. I've looked into the various kinds of RAID and their advantages and disadvantages, so I'm happy about the various ...
13
votes
5answers
3k views

Alternatives to Windows Home Server Drive Extender?

As Microsoft is cutting support for Drive Extender in Windows Home Server v2 (Windows Server Codename Vail is the official name), what are the alternatives to Drive Extender on a self-built machine? ...
6
votes
3answers
437 views

How does RAID5 work? [duplicate]

In a raid 5 setup, you get 4 TB of usable space out of 3 x 2 TB disks. How is that possible? Simple minded as I am, I would think that you need 4TB to store your things, and use the remaining 2TB for ...
4
votes
3answers
295 views

NAS using SATA and ATA disks

I have about 10 hard drives some SATA 2 and some ATA. I would like to build a NAS box where I can use all these disks and build a hugh NAS disk. All disks together sums about 3 TB. I know that ...
4
votes
2answers
112 views

Who decides the RAID levels and architecture?

Is there some governing body that comes up with the specifications for different RAID levels? If not, how are they decided?
3
votes
2answers
80 views

RAID clarification

I thought I understood RAID, but I'm looking at images from Wikipedia, and it doesn't seem like I do. For example, take this image: What does the 'parity' do? For example, what happens if Disk 2 ...
0
votes
1answer
382 views

Is a “failed” RAID 5 disk really no good?

This is my first venture in to setting up RAID on my home system. After installing 3 x 1TB drives in RAID 5, everything was running well for about 10 days. Then, the Intel Rapid Storage Technology ...
0
votes
2answers
3k views

Intel Matrix Storage Manager on Windows 2008 R2

I am currently setting up a Windows Server 2008 R2 with Intel RAID. Is there a version of Intel Matrix Storage Manager that runs on Windows Server 2008 R2? All help is more than appreciated!
6
votes
5answers
912 views

Looking for an external RAID storage solution

I'm looking to buy somewhere around 10TB of physical storage for personal use. Ideally it would come in the form of a single HDD array or network storage. I don't have any experience with RAID, but it ...
1
vote
3answers
1k views

Can I use plain RAID on a Drobo?

I'm thinking about a RAID device and the Drobo is on top of my list (followed by the WD ShareSpace). But I don't want to be in another walled garden with Drobos BeyondRAID technology. Can I use the ...
1
vote
4answers
751 views

Mirror hard-drive? RAID or something?

I have two disks, D:\ with 70gb capacity and E:\ with 250gb I want EVERYTHING that is added, modified, deleted etc to E:\Backups\ to be mirrored onto D:\ How to do? I'm running Win XP pro. Both ...
4
votes
4answers
12k views

Looking for open-source NAS software [closed]

I've got an AMD 64-bit Phenom x3 chip and will be dedicating my computer to all-NAS functions. Mobo has 6 SATA connectors & 2GB. Can you recommend NAS software that can handle staggered spin-up; ...
3
votes
2answers
657 views

Looking for an inexpensive NAS that turns off when idle

I have both Linux and Windows computers on my network and would like a central file store for music and such. What I want is something I can plug an RJ-45 cable into and access from any computer. I ...
2
votes
5answers
309 views

Data storage and backup plan for a photog?

I've recently gotten into photography and now have a largish data problem. I also have never really had much on my home pc that I would cry over if I lost so don't have a good backup plan in place. ...