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8 views

RAID 5 controller port multiplier

I have 6x320GB HDD and I was considering to create a RAID 5 system (it's for storage only). I use ubuntu 14.04 and I want to ask what RAID controller card allows for 4 (or more) ports without ...
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0answers
34 views

ibm x3850 m2 megaraid not showing physical drives

I have this ibm x3850 m2 with 2 physical drives installed but when I go to megaraid it doesn't show any of the physical drives So I can't build a virtual drive to install the OS What I have tried ...
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1answer
44 views

How do you increase harddrive space on an Intel hardware RAID 1 with larger disks?

I have an old RAID 1 volume from about 7 years ago. A while ago I replaced one out of two drives with a drive with 4x the size and then recently I replaced the second two out of two disks. Both of the ...
2
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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). ...
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1answer
63 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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2answers
17 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
32 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
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 ...
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0answers
22 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
65 views

Hard Disk info required, attached to IBM System x3650 M4

I need to get the details of a hard disk attached to an IBM System x3650 M4 server machine. One thing I did is to search for model number shown on Device Manager under Disk Drives, but this search ...
2
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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 ...
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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 ...
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1answer
237 views

How would hardware RAID compare to Windows software RAID?

I recently bought a new PC with a Gigabyte Z97P-D3 motherboard. One of the things it supports that my old machine didn't is RAID so I had planned to transfer my 2x 1TB hard drives from my old machine ...
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1answer
117 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 ...
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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 ...
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2answers
749 views

Simultaneous failure of 8x SSD's in raid 10 [closed]

My friend keeps arguing with me about putting SSD’s in raid vs HDD, I need to settle this. What are the odds of all the SSD’s failing vs HDD”s at once assuming they are from the same assembly line and ...
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1answer
581 views

Deleting RAID 1 array with OS on it and switching to AHCI mode? Without losing data?

I am trying to break my RAID 1 array (using onboard intel raid controller) that has Windows 8.1 installed on it. I then want to switch my bios to AHCI mode and boot from one of those drives. Is it as ...
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1answer
2k views

Cloning HDDs from a hardware RAID array?

Is it possible to clone the individual disks of a hardware RAID to get a copy of the contained array? I have an Adaptec RAID controller. I put it offline, attached the RAID member HDDs to a regular ...
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1answer
145 views

Will Diskpart Clean All reduce HDD lifespan?

I am planning to reinstall Windows on my PC and I just want everything to be as fresh and new like when it is first used. I thought about doing a Clean All on my hard disk, but I have one question: ...
1
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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 ...
0
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1answer
406 views

poor write performance with RAID 5 array

I have an Intel RS2WC080 RAID controller card connected to an array of 8 WD Black 4TB SATA3 drives, in a RAID5 configuration. While the read speed is ~750MB/s the write speed hovers around 45MB/s. I ...
0
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1answer
57 views

OCZ Vertex 4 64 GB timeouts on Areca 1880IX-16-4G

I use 3x OCZ Vertex 4 64 GB in RAID5. If they work then it's all ok, but suddenly random drives are dropped from array with timeout errors. Sometimes even two of them which causes filesystem errors. ...
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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 ...
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3answers
691 views

Adaptec Raid Controller 6405E slower than onboard raid?

Running on Windows 8.1 x64. Raid is 0 on two Samsung Evo SSD. Both read and write cache is enabled. Here's result from onboard raid (ASUS-P9X79-E-WS): And here's from the dedicated raid controller ...
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2answers
145 views

What card i need to attach SATA drives to server

I have IBM System x3650 M2 and it has only SAS drives attached It has 7 PCI-e empty slots. I want to know what type of card i need which i can put in PCI-E so that i can join 2 SATA drives of higher ...
2
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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.
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1answer
130 views

Hardware RAID vs. Software RAID [duplicate]

What is the big difference between software RAID and hardware RAID at the low level? What is really going on that sets the two apart? As far as I know, the only difference is the RAID card can have ...
0
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3answers
461 views

Is hardware RAID worth it? [closed]

I am planning to build a home NAS server, and have managed to get my hands on the following- Core i3 3220 Ivy Bridge CPU 4 GB Kingston RAM Basic motherboard with dual gigabit LAN port 4x WD 3TB HDDS ...
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2answers
229 views

SAS and SATA together in a RAID

I have to build a new server with SAS drives for RAID 10. However, I have 2TBs of storage on 2x1TB SATA drives. Would it be possible to still plugin 2 SATA drives even if I run a hardware raid 10 ...
0
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1answer
2k views

Dell PERC H710P Raid Control reduced I/O speeds when idle

I have a Dell PERC H710P Raid Controller card and 4 Dell Certified 600GB Solid State Drives configured in RAID-10. I have a Dell Poweredge R820. After performing benchmark tests using ATTO, I usually ...
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1answer
3k views

How can I achieve maximum sustained sequential disk write performance?

I need data write rates of ~1 GB/sec sustained for ~1 hour. Data is coming in over this PCIe x4 frame grabber. I need to stream its full bandwidth to disk. I don't have experience with RAID, but as ...
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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 ...
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1answer
208 views

Debian/3ware 9500 - RAID Failure?

I swapped the hard disks from my home server into a new case last night (new mobo/CPU/RAM) and transferred its 3ware 9500 PCI-X SATA RAID card with it. The machine has 4 disks configured in 2 RAID1s - ...
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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, ...
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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, ...
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1answer
383 views

Adaptec 6405e SATA raid controller + 4x WD Red 1TB .. no Raid 5 option?

I'm in the ACU/adaptec bios utility. All four drives are initialized. I go to Create an Array, select all four drives. It only gives me Raid 1/10/1EE options - but no RAID 5. What am I doing ...
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0answers
44 views

Want simple RAID capable direct attached storage device that abstracts the RAID config

I am looking for a device for my mother for redundant storage of her photos. Local (non-cloud) based is a requirement. I would prepare the device for her in a RAID 1+0 (at least 4 drives, striped no ...
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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 ...
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2answers
93 views

two computers with united CPU and memory resources?

is it possible?:) it wold be interesting, when given cheap chineese netbook and cheap chineese tablet, setup for example ubuntu to both of them, then le wild magic happens and viola - we have one ...
0
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3answers
251 views

Is it possible to create a RAID 1 array for ubuntu and install xp on a non-RAID part of the drive?

I was wondering if it is possible to setup a hardware RAID 1 array on 2x1TB drives for the installation of Ubuntu 12.04 whilst leaving some space free outside of the RAID array to install Windows XP ...
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0answers
267 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 ...
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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 ...
0
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1answer
263 views

Adding a drive to a hardware RAID-0 array

I'm building a RAID-0 array as my main boot "drive" and was wondering how adding disks to the array works in implementation. I'll be using either the Intel RT3WB080 or the Intel RS2BL080, which are ...
0
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1answer
165 views

What are the main differences between Intel RAID cards?

I'm in the market for a RAID card and really like Intel hardware. I'm looking to build two separate arrays: One RAID-5 array consisting of at least 3-4 2TB 7200RPM hard disks. One RAID-0 array ...
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0answers
190 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 ...
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1answer
164 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 ...
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2answers
9k views

Set up raid 1 after OS installation

I bought 2 Lenovo thinkstation E31 and I want to set up RAID 1 on them. I added a hard drive for each. I went in the BIOS and set it to RAID then I pressed ctrl-l to start the raid manager but it ...
3
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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 ...
3
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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 ...
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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 ...