1
vote
2answers
51 views

Can I take a mirrored raid drive and use it in another machine

I have about a dozen low end servers of varying makes and models and most have mirrored raid. I'm a bit confused about whether after a disaster (that hasn't harmed the drives) can I can take a drive ...
1
vote
1answer
37 views

lvm and hardware raid: hardware raid 5 and raid 1 in single volume group?

I have a system with pre configured hardware RAID. It has 2 disks in a RAID1 configuration. It has a further 6 disks in a RAID5 configuration. The 6 disk RAID5 is split (by the hardware) to look like ...
1
vote
3answers
232 views

What is the difference between a HBA card and a RAID card?

I thought I knew the difference between HBA and RAID. In my mind, HBA is offloading from the main motherboard/CPU and is simply JBOD... usually has an external SAS ports, whilst a RAID card does the ...
0
votes
2answers
164 views

RAID consideration for 24 Disk Array

I have here a 24 Disk Array with 3.7 TB disks in it. What would be, performance wise a good configuration when using a RAID 6: RAID 6 over all 24 disks or should I use 2x12 disk RAID 6 and than a RAID ...
3
votes
2answers
221 views

Upgrading RAID controller to 4kn - do I have to reinitialize the array to use 4kn?

I have an enterprise-grade workstation with an Adaptec 6405E RAID controller in it. According to Adaptec, this RAID controller does not, and will never be able to, natively support 4K disk sectors. If ...
8
votes
5answers
1k views

SW SSD Raid 1 over HW RAID 10

A provider(data center) recommended I go with 1TB SSDs in a software RAID 1 over HW RAID 10 with mechanical drives. Their quote: Typically SSDs are most reliable than RAID cards and since you ...
0
votes
1answer
2k views

Upgrading a PERC h310 to a PERC H710 mini RAID controller on a Dell R620

I have an ESXi 5.0 Free license host using an internal Datastore (RAID 5, 5 Disk) that was configured with a Dell PERC h310 RAID controller. The disk performance was very poor, so I upgraded to the ...
1
vote
0answers
45 views

DIR $file “File Not Found” vs DIR $filedir shows it…not permissions, not USB

I was having this problem before on a USB drive, but now it's happening on my main RAID5-backed hard disk: 2013-10-17 9:37 C:\>dir "C:\Shares\Shared\Reference\Safety Management System\Vid eo ...
0
votes
1answer
53 views

Improving Hard Drive controllers and Software RAID [closed]

I believe the biggest pro of hardware RAID is that, providing your RAID controller is battery backed, you can enable write-back cache. This can also be achieved similarly through software RAID with ...
0
votes
1answer
633 views

Vpd r/w failed This is likely a firmware bug on this device [closed]

Does this mean my RAID 1 device is failing? EDIT: seeing this is a raidcare issue. How can I pull the specs and download/install the driver? netlink: 12 bytes leftover after parsing attributes. ...
1
vote
2answers
70 views

HP p400i - 512MB RAID Controller card

Anyone know if the HP p400i raid controller can support multiple arrays? Say if I wanted a raid 0 with 2x146GB drives, and 3x300GB drives in a raid 5, both on the same card? Also, is it possible to ...
25
votes
5answers
2k views

Do I need to RAID Fusion-io cards?

Can I run reliably with a single Fusion-io card installed in a server, or do I need to deploy two cards in a software RAID setup? Fusion-io isn't very clear (almost misleading) on the topic when ...
4
votes
3answers
621 views

RAID - buy spare disks at same time as originals?

When using RAID1, is it best practice to buy spare disks at the same time as the original disks to ensure you have the identical type in case they become unavailable in future?
6
votes
1answer
5k views

How exactly does a SAS SFF-8087 breakout cable work? + RAID/connection questions

Please let me know if my question does not makes any sense as I am not sure if I am interpreting it correctly from my thoughts due to my lack of technical knowledge on this. If I am using a ...
1
vote
2answers
86 views

Install RAID1 without Second Hard Drive?

HP P410i Raid Card. I am waiting for a second hard drive to arrive. Is it possible to start with 1 hard drive and enable RAID1 without loosing data when the second drive is installed?
2
votes
2answers
305 views

RAID 10 — how do you know a drive is going or is bad?

I have some servers with a datacenter all the servers have RAID 10 setup. How do I know when one of the drives is going bad or is bad and needs to be replaced? EDIT: These servers are unmnaaged and ...
1
vote
1answer
882 views

Removing raid metadata from drives

Normally when I have a drive which contains raid metadata e.g. from fakeraid or a hardware raid card I can get rid of it with: dmraid -r -E /dev/sdX Or if that doesnt work, doing a simple dd ...
-1
votes
2answers
122 views

The device, \Device\Harddisk4\DR37, has a bad block

I've received the error below and wondering if it's something I should be worried about? I've checked the RAID controller and all are functioning without errors. Log Name: System Source: ...
2
votes
2answers
388 views

Not able to achive 6Gbps speed using MegaRAID SAS 9260-4i

This might sounds stupid, but my hardware skills are not very strong. I have a 2U box with MegaRAID SAS 9260-4i - RAID 5 (3 x 3TB SATA III 6Gbps ) using mega raid cli tool here is the drive info. ...
3
votes
1answer
604 views

moving raid 10 to another identical server both on Smart Array 6i controllers

I have dead HP DL 380G4 with RAID 1+0 with 1 logical volume from 4x72GB drives on built-in Smart Array 6i 128Mb BBWC. It was shut down properly. It seems it was usual death for Proliant with ILO led ...
0
votes
1answer
47 views

Server upgrade configuration - raid vs. multiple drives vs. combo raid / backup

We're upgrading our Linux box, and moving from CentOS (quad core AMD, 8GB RAM, SATA drive) to RedHat OS (dual quad core Xeon, 8GB RAM, SAS drives) and was wondering... what will provide the best ...
0
votes
1answer
150 views

Hardware RAID in CentOS 6.2

I have a ServeRAID-BR10il SAS/SATA PCIe Controller RAID O and 1 Standard. Do you have any suggestions how to install it in CentOS 6.2? All the tutorials I found are only software RAID. Hope you guys ...
1
vote
2answers
667 views

HP Proliant DL160 G6 - Hardware RAID card to get? [closed]

I have bought a DL160 G6 server (Product number: 490427R-001 ) and it does not come with a hardware RAID card. I am trying to set up a VMWare Esxi server and as such I would need a hardware RAID card. ...
1
vote
2answers
328 views

Are there different kinds of Mini SAS to 4x SATA reverse breakout cables?

I have an RPC-4224 case that has 24 bays with 6 Mini SAS ports. I needed a cable to break out one of them into 4 SATA ports, so I went down to my local Fry's Electronics and bought one. The cable came ...
1
vote
2answers
425 views

Removed a Disk to Test RAID 1. Now how can I re-introduce it to Windows 7 without re-synching everything?

I just removed a disk to test our RAID 1 setup was working, and now I want to reintroduce that Disk, and have it continue living as a RAID1. However, when I go into Disk Management the former RAID1 ...
2
votes
4answers
2k views

Swapping out a RAID 1 mirror with larger drives on SBS 2008. Is it possible?

My organization previously set up an SBS Server 2008 on a Dell T300. This was a small setup with 2 x 160 GB disks in a RAID 1 mirror. We are running short on disk space. I would like to extend the ...
6
votes
2answers
3k views

How long should rebuilding 250GB take? [closed]

In a PowerEdge 1900 have I a hardware RAID 5 of 5x250GB disks + 1 hot spare 250GB. Disk 2 have errors, so I forced it offline in the raid bios to replace it. Now it have been rebuilding to the hot ...
1
vote
1answer
1k views

Hard Drive (Failure) IBM x336, Diagnose and Fix RAID-1 & Configure IBM Software

A year ago I was given an old IBM x336 server to run some personal projects on, now I knew nothing about servers at all so just put some more RAM in, wiped and disks and installed Ubuntu Server on it ...
2
votes
4answers
2k views

Which RAID solutions can handle 2 disk failures

Our of RAID 0-5 and RAID 0+1 and RAID 1+0 which ones would be able to handle two disk failures at the same time? I have read online that RAID 0+1 can not handle this Also from my research it seems ...
-1
votes
1answer
75 views

Migrating a raid array into a new case on the same hardware

I'm transferring my current server's guts into a new, rack mounted, case. Not changing any of the hardware - just taking it out of its current tower, and dumping it in the new box. System specs ...
6
votes
2answers
7k views

Dell Perc 6/i and 3TB drives?

Does the dell Perc 6/i controller support 3TB drives?
1
vote
2answers
3k views

Is there a list of compatible RAID hardware with standard linux kernel

I am installing a large storage system under Debian 6.0. We bought a HightPont RocketRAID 2720, a very powerfull card claiming to be linux compatible, but when i installed they just provide a already ...
3
votes
2answers
2k views

How do I replace a drive on my NAS?

I have a Thecus N8800+ NAS. It has 8 2TB drives and is RAID 6. One of the drives recently has been reported as having bad blocks, though the RAID is still reported as healthy. I want to replace the ...
1
vote
4answers
2k views

How to check if my hard-drive are on RAID5 or RAID6? - Windows Server

I'm not sure if a server I own has been setup on RAID or not. Is there any way to check this within Windows, rather than relying on what the company support tells me? Any ideas? :)
1
vote
2answers
508 views

Will Software RAID And iSCSI Work For A SAN

I am looking for a SAN solution, but can't afford even entry level solutions. Basically, the SAN is for development and a proof of concept product. The performance doesn't have to be amazing, but ...
6
votes
3answers
610 views

Would unplugging a drive simulate a drive failure?

I just set up a RAID 1 array, 2 2tb drives mirrored. I am wondering what will happen if one were to fail. Would unplugging one of them be a valid test? I am using the Onboard controller of an asus ...
7
votes
3answers
31k views

How to find RAID configuration/level and RPM speed having only remote access to the server?

Having only remote access (no physical access), to a server (that is SSH), how do I (or may be is it possible): find out whether it is RAID configured or not? If it is RAID configured, whether it ...
12
votes
6answers
654 views

Bad disks in ancient server

I have a 1998-era Netware 3.12 server that runs everything on our campus: general ledger, purchasing, payroll, student information, grades, you name it. The server has an Adaptec RAID controller with ...
0
votes
2answers
171 views

High performance hard drives

I'm setting up a new web/database server that will perform a lot of read/write operations. So I want to use a RAID controller and use RAID 10. I need some help to decide what kind of hard drives I ...
2
votes
4answers
3k views

SSD (Raid 1) vs SAS (Raid 10) Sql Server Hardware Recommendation?

Our current SQL Server Machine (which is about 6 years old): Box: Dell 2900 CPU: Xeon 5160 Dual Core RAM: 4GB HDD: 6x 15k RPM SAS drives in raid 10 Since it's 6 years old, the drives have been ...
2
votes
2answers
378 views

move Ubuntu to RAID

I have an Ubuntu Server up and running on LVM2 partition. My motherboard supports RAID 0 and 1. I bought new, second HDD, the same as the system one. I want to set up RAID mirroring to ensure my data ...
0
votes
4answers
102 views

HW & OS for first proper / simple Linux server machine

I have around 10 windows PCs on my network, sharing files in the most straightforward (and ugly) way. I'd like to clean that up a bit and install a simple & clean Linux server to act as a File ...
1
vote
3answers
226 views

New to RAID and redundancy

I just purchased an HP Proliant DL580 G2 server. I have never used RAID, but this system comes with: Smart Array 5i Plus Controller (integrated on system board), Dual Channel, Ultra3 (supports RAID ...
4
votes
6answers
15k views

RAID Array performance on an HP Proliant ML350 G5 Smart Array E200i

We have a client who is complaining about performance of an application which utilizes an MS SQL database. They do not believe the performance issues are the fault of the application itself. The ...
0
votes
1answer
267 views

FreeBSD after motherboard replacement; should I have any concerns?

So after three years my motherboard (Asus M2N-0MX) has died off. As I go shopping for its replacement tomorrow I have a concern about the data that I currently have on the drives wtihin. I'm currently ...
0
votes
3answers
374 views

VMWare Workstation Dev Machine Disks: one fast or four echofriendly raid?

I'm building a new dev computer. It will be running a few VMWare Worksation virtual machines - A dev machine running VS-2010, a build machine, a version-control machine, a web server for testing, a ...
2
votes
9answers
5k views

Experience with AMCC 3ware 9650se raid cards? Ours seems dead

We have a 8-port 3ware 9650se raid card for our main disk array. We had to bring the server down for a pending power outage, and when we turned the machine back on, the raid card never started. This ...
1
vote
1answer
172 views

Sas/Sata raid controller with dedicated management interface?

I am looking for an internal raid controller that has a dedicated Ethernet port for management. I would really like to have operating system independent management of the raid without having to drop ...
0
votes
2answers
991 views

How to detect undetected hard drive volume in Windows Server 2003

I have a Dell PowerEdge 2650 and I'm running Windows Server 2003. Here is some back ground on the hardware of this Dell PE 2650. I have 4 (not 5) 17GB RAID drives and has set up two containers. In ...
0
votes
1answer
95 views

Adding another HardDisk to my server

I have a ubuntu server and I am planning to add another harddisk to it. Currently installed harddisk is iSCSI drive and I can add new SATA2 harddisk using NAS or SAS. I lack knowledge of linux in ...