Tagged Questions

2
votes
2answers
105 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
0answers
119 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
43 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: ...
1
vote
2answers
105 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
237 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
39 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
110 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
235 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. ...
0
votes
1answer
123 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
273 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 ...
1
vote
3answers
772 views

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

My organisation has setup a SBS Server 2008 2 years ago (Dell T300). This was a small setup with 2x160 GB disks in a RAID 1 mirror. We are running short on disk space. I would like to extend the ...
6
votes
2answers
2k views

How long should rebuilding 250GB take?

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
778 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
519 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 ...
0
votes
0answers
178 views

Dell systems build and update utility fails to see logical drives and raid config

I have a Dell Poweredge 2850 with a RAID 5 array and a RAID 1 array. A disk has an amber light on for a while. I forced the disk out and replaced it. I Rebuilt the disk and now the system will not ...
-1
votes
1answer
68 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 ...
5
votes
2answers
4k views

Dell Perc 6/i and 3TB drives?

Does the dell Perc 6/i controller support 3TB drives?
1
vote
2answers
2k 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
1k 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
1k 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
385 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
467 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 ...
4
votes
3answers
19k 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
601 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
156 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
350 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
98 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
197 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
11k 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
227 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
312 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
4k 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
149 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
751 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
92 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 ...
0
votes
1answer
544 views

SMART attribute CRC error count raw values high + errors logged, time to replace drive?

I have 2x Hitachi Deskstar P7K500 about a year old in RAID 1, md0 is boot and md1 is used by LVM. Just recently I got a warning in X (FC11) that there are one or more disks failing. I looked at the ...
4
votes
4answers
12k views

SATA Drive and RAID Controller Recommendation for FreeNAS [closed]

I'm looking to build a RAID Array for storage of media (Audio, Video), file server for both CIFS/NFS and as a repository for backups. Performance isn't a huge concern but reliability is as this is ...
3
votes
5answers
703 views

RAID hard drive configurations

I'm building a linux traffic shaping routing box for a leased line connection. This box has to be reliable, so I'm planning on installing the operating system and data files on a RAID 1 configuration. ...
3
votes
3answers
8k views

Moving a RAID array from one machine to another

I'm not too familiar with RAID arrays, but I plan on making a RAID 5 array for a fileserver. However, once I get the RAID running for a while, I have plans to move it to another machine (with ...
1
vote
2answers
299 views

Sun X4170 squealing after disk eject. How do I fix this? [Solved]

I just ejected one of the "hot swappable" hard drives from a Sun X4170 running raid 10 and it is making quite a loud noise. It's like a system beep that's one long continuous note. I'm wondering what ...
2
votes
4answers
180 views

Hardware RAID0/1 controller

I am looking to build a white box to run Hyper-V, because this is not meant to be critical system(home lab) I decided to ditch redundancy and go for performance by using RAID0. My problem is that I ...
4
votes
5answers
859 views

Experiencing corruption! What's a good reliability test for a Windows file system, RAID or otherwise?

I have a Windows Server 2003 box on my small network. In it is a Promise Fasttrak RAID controller and two parallel ATA Western Digital drives in a RAID-1 (mirror) configuration. When I set this up I ...
1
vote
5answers
16k views

RAID 5 with different sizes and different speeds?

With RAID 5 capability is lost if there are disks of different sizes? Same as RAID 0 and RAID 1. If something happens the speeds are different? 10K and 15K.
20
votes
13answers
2k views

High Failure Rate of Large Drives?

I recently deployed a server with 5x 1TB drives (I won't mention their brand, but it was one of the big two). I was initially warned against getting large capacity drives, as a friend advised me that ...
1
vote
3answers
155 views

Raid Data Help

I have a server with a RAID 1 config. The data on the RAID is in a critical state, how is that different that a rebuild state? The OS is booting up fine and I can sort of read the machines data ...
4
votes
7answers
1k views

Tips and tricks for identifying the dying hard drive

I have a raid 1 that has failed partially. The controller tells me the raid is degraded, but does not tell me which drive is failing. When I look in My Computer, I see that the controller split my ...
5
votes
3answers
1k views

How can I uprade my software RAID1 set of drives?

I've got two 600GB drives in a software RAID1 setup on a physical Debian server. I want to be able to upgrade the capacity of the server by cloning the drives to a matching pair of 2TB drives. I can ...
22
votes
7answers
9k views

What are the performance differences between Raid 0,1,5,6,10

I have heard/read different performance stories on the various raid flavors. I am curious what the agreed upon best answer is.
3
votes
3answers
290 views

Building optimal custom machine for Sql Server [closed]

Getting the hardware in the mail any day. Hardware related to my question: x10 15.5k RPM SAS Segate Cheetah's x2 Adaptec 5405 PCIe Raid cards Motherboard has integrated SAS raid. Was thinking I ...