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14
votes
7answers
16k views

Onboard RAID vs Software RAID

My motherboard, an Asus M4a79t Deluxe, advertises RAID 0/1/5 capabilities. My limited understanding is that onboard RAID is better than software RAID. Is this necessarily true? Is an onboard RAID ...
5
votes
2answers
4k views

Hardware or Software RAID and Filesystem Type?

I'm looking to build a pretty simple RAID-5 or RAID-6 array and I'm looking into my options. The machine will be a 64bit Ubuntu Linux Server and will essentially be used as a backup/file server. I'll ...
4
votes
3answers
3k views

Hardware RAID - what happens if the motherboard or controller fails?

I want to set up a RAID 5 array in a machine that has an intel motherboard. It has built in raid (sata). My concern is what happens if the motherboard fails? How can I take those hard drives ...
4
votes
2answers
826 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 ...
4
votes
4answers
12k views

RAID vs AHCI on Windows7 x64 ASUS

I have an ASUS p5ke-wifi/ap which has built-in RAID controller. From the BIOS, I can choose between 3 controller types: IDE RAID AHCI In that order. This setting was set to AHCI when I installed ...
3
votes
2answers
2k 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 ...
3
votes
3answers
912 views

RAID 0 + 1 with 3HDD 2x1TB + 1x2TB

Is it possible to make RAID 0 + 1 with 3 Hard Drives I have currently setup raid 0 with 2x~1TB HDD (1.8TB approx) Now i got 2TB HDD (1.9TB approx) which i want to be as a mirror drive. Is is ...
3
votes
1answer
4k 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 ...
3
votes
1answer
533 views

move RAID controller + HDDs + data (RAID5) to new motherboard

I have a HighPoint RocketRAID 2300 RAID controller with 4 HDDs on my MSI P6N SLI mainboard and want to move the RAID controller with its HDDs and data to my new computer that has a Asrock H61M-ITX ...
3
votes
1answer
1k views

Prevent Windows 2003 blue screen upon boot after changing to RAID?

Here's what's happening. I havent been using hardware RAID on my motherboard, but since I got new disks today I changed from normal SATA to RAID and rebooted. I set up the RAID, three disks, one of ...
2
votes
2answers
8k 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 ...
2
votes
1answer
515 views

Can I mix a 15K drive with a SSD drive in a hardware RAID1?

I've got a hardware RAID1 of two Hitachi 15K drives here, forming the array with an Adaptec controller. Let's assume one disk dies and I'd like adopt SSDs. I would then replace the dead drive with a ...
2
votes
1answer
721 views

On-board RAID vs Hardware RAID

They technically are both "hardware" raids, but what really sets the two apart? Wouldn't on-board raid basically be a software raid since they share the same processor.
2
votes
2answers
789 views

Recovering data from a Silicon Image SiI3114 RAID

I have a set of 3 disks in RAID 5 originally created with a Silicon Image SiI3114 on-board RAID controller. The old motherboard is dead. The new motherboard (which has a different raid controller) ...
2
votes
2answers
797 views

Converting software RAID1 to hardware RAID1 without losing data

I have a home server running Ubuntu Jaunty and housing a 2 x 2TB RAID1 array. It is a software RAID but I'm looking to pull out those drives and put them in a external RAID enclosure to save space. My ...
2
votes
1answer
38 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). ...
2
votes
1answer
895 views

Intel Desktop Board DH67CL

I have purchased a system with Intel DH67CL Board, which offers RAID Support of 0,1,10 levels. I want to install Windows 2008R2 on it but first want to create a RAID 1 or RAID 10 (I have 4 Sata HDDs ...
2
votes
0answers
51 views

USB Hardware Raid 1 useless with vendor lock-in? [closed]

Context: I'm looking for a USB hardware RAID 1 box. Every device I evaluated suffer the vendor lock-in issue and I was not able to connect a single disk to an other system to get the data without any ...
2
votes
0answers
189 views

Disk utilization 100%, no read or write

Our disks on one of our servers are showing 100% utilization but no read or write. here is the output of iostat -xc 1 and errors on syslog https://gist.github.com/4110533 status info from raid card ...
2
votes
1answer
856 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 ...
2
votes
2answers
3k views

How to setup RAID 5 - Windows Home Server

I am planning to install Windows Home Server 2011 on my new mini server. I have 3 x 2TB hard drives and another hard drive for the OS. I can't find any tutorials on how set up RAID 5 on Windows Home ...
1
vote
1answer
433 views

How do PCI express RAID cards work?

I was recently playing with Xen server which supports hardware RAID only and as I always used Linux MD's only so far, I have no knowledge of hardware RAID at all. I was looking for some cheap hardware ...
1
vote
2answers
574 views

How many RAID controllers do I need?

I need to make a 50TB RAID array. Now I'm confused! I didn't found any RAID controller that have more than 8 channels (So supports 8 drives (?)). So how can I make an array of 25x2TB drives? Do I need ...
1
vote
1answer
32 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 ...
1
vote
1answer
445 views

Disk durability when using RAID 10 vs RAID 5

Most of the time technical articles about different RAID levels mostly about how redundant they are, how fast on read/write etc. But I can't find information about would a disk in a certain RAID live ...
1
vote
4answers
1k views

Hardware Raid Card Reviews with SSDs

Yes I realize there are several questions about this but none of them seem to have the answer I'm looking for. I have two SSDs and am looking to buy a purely hardware raid card for them; however, I ...
1
vote
1answer
3k views

Laptop offers RAID option - how does that work?

I am in the market for a new laptop. I'm looking at the Dell M6800 and HP ZBook 17. Both of these laptops can be configured with a RAID 0/1/5 option. Is this hardware RAID or software RAID? I have ...
1
vote
2answers
4k views

How do I set up hardware RAID?

This might seem like a stupid question, but the last rig I put together was an 800 MHz single core computer. I decided to put together a fileserver based on the Asus p8z77-I deluxe motherboard. I ...
1
vote
1answer
818 views

Should I use Windows write cache if I have RAID controller + BBU?

I have ARECA ARC-1231ML 2 GB Cache and RAID 0 with 4 A-data 30 GB SSD drives and sometimes Windows is checking filesystem during boot. I think the problem is that my system is using RAM as write ...
1
vote
1answer
207 views

Hardware RAID 1 With ERC/TLER/CCTL

I am aware of the problem when using standard consumer-grade drives with RAID levels 5 and 6; if a drive takes too long trying to read and/or repair a bad sector, it will be dropped by a hardware RAID ...
1
vote
1answer
372 views

SSD Vertex 3 RAID 0 performance over time

I want to set up 2x vertex 3 240gb in a raid0. Will performance degrade over time? Is there a solution? OS agnostic please - if the hardware supports something a driver can be written.
1
vote
2answers
558 views

How do I attach more hard drives to my hardware RAID card?

I have an Adaptec RAID 5805 with a total of 8 SATA hard drives attached. There are two "mSASx4 (SFF-8087) to SATA (4)" cables plugged in: and attached to each of the 8 ends, is a SATA hard ...
1
vote
2answers
8k views

RAID10 with MegaRAID WebBIOS

I'm trying to create two RAID10 arrays using LSI MegaRAID's WebBIOS utility. If I understand correctly, I must create many two-disk RAID1 pairs called "disk groups" and then span those disk groups ...
1
vote
1answer
116 views

Proliant ML330 G6 rebuild array

When I came to this place, there was a Proliant ML330 G6 server with a P410i controller standing here, which acts as the active directory server, running Windows 2008 R2. I wish the previous admin ...
1
vote
0answers
79 views

RAID array failure. False positive?

Background: I have 3 storage units in my PC: an SSD that contains my operating systems a 1TB hard-drive that is about 5 - 6 years old a 1TB hard-drive that is only a few months old The 2 big ...
1
vote
0answers
2k views

SDcard /dev/sdb2 is apparently in use by the system; will not make a filesystem here

I divided my sdcard into 2 partitions, but It got an error and couldn't create a new partition. Error: /dev/sdb2 is apparently in use by the system; will not make a filesystem here! My ...
1
vote
2answers
4k views

Does the PERC H310 Raid Controller support hard drives above 2 TB (e.g. 3 TB)?

We received a new machine (Dell Precision T3600) with a PERC H310 RAID Controller. Due to some troubles during the installation I started to read a bit about that RAID card, and I found some sources, ...
1
vote
0answers
43 views

Progressive upgrade of a RAID array

Our group has a 16 disk backup RAID6 array. Currently, those 16 disks have the following specs; 500 GB 16 and 64MB cache 3 Gb/s SATA I would like to begin upgrading these disks if possible, ...
1
vote
0answers
266 views

RAID-0 bottlenecking when reading and writing simultaneously?

I have 4 Samsung 840 Pro SSDs running in hardware RAID on an Intel RS2BL080 LSI RAID card. My read and write times are incredible: $ dd bs=1M count=10000 if=/dev/zero of=test.img conv=fdatasync ...
1
vote
0answers
297 views

TRIM support on Intel RS2BL080 Hardware RAID card?

I've got an Intel RS2BL080 hardware RAID card and I'd like to know if it supports TRIM on my RAID-0 array of SSDs. I've heard that the Intel 7 series integrated RAID solutions that ship with ...
1
vote
1answer
163 views

Is it possible to migrate a boot RAID volume from an older motherboard to a newer one? [duplicate]

Possible Duplicate: Raid 0 - what happens with the data when hdds plugged into another motherboard Background info I am going to upgrade my current setup from an X58 to an X79 and I have 2 ...
1
vote
1answer
173 views

JBOD and DUAL mode difference

My dual bay HDD enclosure got JBOD and DUAL modes among other modes. What is the difference between those 2 modes? I just want to know exactly because I am connectin a single hdd with data and I don't ...
1
vote
2answers
462 views

Zero-byte files on degraded RAID 5

I have RAID 5 setup with a 3ware 9650se controller in my HTPC. I recently lost power to the system, and upon boot up, the RAID 5 reported that it was degraded. Using the 3ware RAID interface (the ...
1
vote
0answers
6k views

How do I install MegaRAID Storage Manager properly?

OK, so installing it seems straightforward enough, but making it work afterwards is so awkward I must've done something wrong. It appears that this problem has nothing to do with ESXi or the RAID ...
1
vote
1answer
2k views

Unable to access intel fake RAID 1 array in Fedora 14 after reboot

First I am relatively new to linux (but not to *nix). I have 4 disks assembled in the following intel ahci bios fake raid arrays: 2x320GB RAID1 - used for operating systems md126 2x1TB RAID1 - used ...
1
vote
1answer
449 views

Add a small RAID card? Will it help overall stability and performance of my nine hard drives?

Will I get any extra genuine added performance and RAID stability if I insert a basic RAID card into a PCI-E x1 slot? I am considering the Adaptec 1220SA - 2 port SATA, PCI-express (1x), RAID 0/1. ...
0
votes
2answers
970 views

Why RAID controllers so expensive? [duplicate]

Possible Duplicate: Why are hardware RAID solutions relatively expensive? Well, this maybe a very stupid question. Shouldn't RAID controllers be very simple? Compare RAID controller with ...
0
votes
3answers
5k views

Software or Hardware RAID for Home Server?

Now I have searched Server Fault and Super User and have seen that some people recommend software and some people swear by hardware RAID, but I am looking to use it on a home server of mine to store ...
0
votes
4answers
3k views

Gigabyte Motherboard + Adaptec RAID = No Booting from any drives

I have a brand new PC, just out of the box. It has a Gigabyte GA-P55-USB3 motherboard. I also have an Adaptec ASR-2504 SAS RAID card with 2x 15k Seagate Barracuda SAS drives attached. After the ...
0
votes
2answers
64 views

Moving a RAID 1 between RAID Cards

I have an HP DL380 G6 with the 410i internal controller. I have an array configured with 2 drives as a RAID 1. This logical drive is my boot drive. I've recently installed a P800 raid card and want ...