RAID solution with hardware assistance. RAID parity calculations can be performed by either the main CPU, or by a separate processor on the RAID controller card.

learn more… | top users | synonyms

5
votes
4answers
814 views

IBM ServeRAID: how to use email alerts?

I just installed a brand old IBM server with a ServeRAID 4Lx card. I installed the driver, and the ServeRAID manager software v9.30. Everyting works as expected. My problem is: Yesterday, when ...
0
votes
1answer
335 views

3ware Raid Migration 9650SE

I'm trying to migrate a single disk on a 9650SE 4LPML to a RAID 1. I'm trying to use 3dm2 to accomplish this, but the only options it will allow me to migrate to is either RAID 0 or RAID 10. I only ...
0
votes
2answers
360 views

Hot swapping a dead drive with hardware raid on linux

I have a server with 4 SATA hot-swappable drives and a 3Ware 9650SE-4LPML hardware RAID controller. The server runs Ubuntu 10.04.3 LTS and I use tw_cli to control the RAID array. So, a disk died and ...
3
votes
1answer
713 views

Can I mix SAS and SATA2 drives on one controller?

I've read here that I can't mix SAS and SATA2 drives on the same controller - is that really true? I understand I shouldn't mix on the same channel, but the same card!? For example, when I plug my ...
4
votes
1answer
460 views

Areca RAID volume and LVM alignment

I have the following hardware: 1x - Areca ARC-1680IX-24 PCIe x8 SAS RAID Card 24x - Seagate Barracuda LP 2 TB 5900RPM SATA 3 GB/s 32 MB Cache 3.5-Inch Internal Hard Drive ST32000542AS I plan on ...
2
votes
1answer
921 views

How to disable mdadm when running hardware RAID

My server Dell R210 runs a Debian squeeze with hardware RAID1 (H200) preconfigured. But I notice that there is mdadm running. Sometimes in backup, or in OS upgrade (to Debian 6.0.4), I have messages ...
-1
votes
3answers
587 views

which raid controller is better, Intel Z68 MotherBoard buildin or Dell PERC5i? [closed]

I have two options to implement raid5 in the server, 6 SATA 2T disks is expected. option1: New Motherboard using Intel Z68 chipset, support 6 SATA disks total and raid 0,1,5 etc. option2: Used Dell ...
0
votes
2answers
2k views

Configure RAID for IBM X3630 X3

How can I setup a RAID for IBM X3630 X3 server with IBM ServeRAID M5015 disk drives? Is there a tool to configure disk drives? I'm using Windows Server 2008 R2
1
vote
1answer
249 views

Connecting 8 x 500GB SATA drives to HP Smart Array P800 controller on 2 external mini ports

I have already 8 drives hooked up the the P800 RAID controller internally. I would like to attach 8 more SATA drives externally. I looked in the documentation but the only thing mentioned for the ...
0
votes
1answer
495 views

What are some tips for cheap and solid hw raid controller card for running ESXi? [closed]

ESXi is great product, however little bit picky about hardware. Can you please reccommend me some hardware raid controllers which work 100% out of the box and are also price-efficient ? I know about ...
1
vote
2answers
364 views

Is HP p212 raid controller supported on Ubuntu 8.04 server LTS?

sorry for my simple question, however I can't find any useful resources on the internet. Except the official HP page about my p212 here. From this I understand that HP doesn't support Ubuntu 8.04. But ...
0
votes
1answer
141 views

Tweaks for 3ware raid

Does applying these tweaks to the sdb raid harm any data that is already on the array? echo 64 > /sys/block/sdb/queue/max_sectors_kb echo 512 > /sys/block/sdb/queue/nr_requests echo deadline ...
0
votes
2answers
376 views

raid5 samba upload write slows down

I have Samba installed on a server, that has 8 2TB HDDs in raid5, os is debian 2.6.32, 64bit. When I copy a 3.5GB file to the server, the first GB is transferred with about 100MB/s, but afterwards the ...
0
votes
1answer
67 views

mssql replication storage

I have 2 boxes. One is dell (4x146GB 15k 3.5'' SAS in raid 10). this is primary sql server (runs only mssql). dell has 8gb ram and mssql is running fine. Dell has windows 2008 R2 x64 second is hp ...
5
votes
3answers
15k views

HP ACU CLI Examples

Has anyone used the HP Array Configuration Utility Command Line Interface (hpacucli.exe) to get physical disk information into a file? I'm not at the machine right now, but basically I want to find ...
6
votes
1answer
949 views

I have a 21TB array but only 16TB is visible from Windows

CONTROLLER Raid Controller: 3Ware 9650SE-24M8 Disks: 21 x 1TB RAID5 Stripe 64KB WINDOWS OS: Windows Server 2003 SP2 32x Disk: Dynamic 19557.44GB Volume: Capacity 15832.19GB I guess my array ...
59
votes
8answers
5k views

How can a single disk in a hardware SATA RAID-10 array bring the entire array to a screeching halt?

Prelude: I'm a code-monkey that's increasingly taken on SysAdmin duties for my small company. My code is our product, and increasingly we provide the same app as SaaS. About 18 months ago I moved ...
2
votes
1answer
1k views

What Read Ahead setting on a RAID controller should be used for various workloads?

We have Dell servers running Windows with Perc 5/E, 6/i, 6/iR, etc. controllers. Each controller has 256MB of cache and a battery, so I turned on Write Back on the controller and turned off caching on ...
0
votes
1answer
130 views

RAID 1 with motherboard software or SiI hardware?

I have to setup 2 servers with RAID 1 and the company cannot provide funds for the hardware needed until december, here is the hardware available: Computer A OS: CentOS 6.0 MB: EP41-UD3L RAM: 4GB ...
1
vote
1answer
427 views

Data recovery on HP ProLiant ML350 G5 on RAID 1

The motherboard in the server in question is dead. How can I recover the data on the RAID 1 drives?
-4
votes
1answer
524 views

Dell PowerEdge t710 raid configuration for newbie

My company bought a Dell PowerEdge t710 server with: 48 GB ram 4x4 GB ethernet ports. RAID 5 for PERC H700 4 x 1TB, SATA, 3.5-in, 7.2K RPM Hard Drive (Hot Plug) My job is to configure Hyper-V ...
1
vote
1answer
644 views

What's the difference between Adaptec's “maxCache” and “Hybrid RAID” technologies?

http://www.adaptec.com/en-us/_common/maxcache/ http://www.adaptec.com/en-us/_common/hybrid-raid/ They sound similar, but there's no detailed description of how either of them work.
0
votes
4answers
318 views

What RAID Level Should Be Used

I am working on a server build project for work and have inherited the following items that I need to figure out the best way to handle and configure. 2 of these: I/O Crest SY-PEX40008 PCI-e SATA ...
1
vote
1answer
158 views

HP StorageWorks RAID 50: Volume size on creation is not precise enough

I've got a HP MSA2312i with 24 Hard drives. I created a RAID 50 virtual disk. That makes me a total of 11 TB of available space. I want to create a 500GB volume (0.5 TB). When I want to create a ...
6
votes
2answers
2k 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 ...
3
votes
1answer
230 views

“Transparent” SATA RAID Controllers [closed]

I'm looking for a true hardware SATA RAID controller that can do levels 0, 1, and 5 and is, for a lack of a better term, "transparent" to the OS in that it requires no software drivers whatsoever. ...
1
vote
1answer
913 views

HP Smart Array p410i rebuild percentage not correctly working

I have a HP Poliant with a p410i and when I rebuild my raid 5 with a quick remove and insert to test the rebuild percentage goes up to 10% and then jumps to 92%. I continues up to 100% and the Array ...
6
votes
1answer
413 views

Areca - expanding a raid by swapping out disks for larger ones

What I am looking to do is, one by one, replace the drives in my current raid array (in a 1680i). After the drives are replaced by their larger counterparts, I want to do an online expand of the ...
1
vote
1answer
196 views

Perc 4 Configuration - Drives not showing up

Hello I am trying to configure raid on a PERC 4 running in a PowerEdge 1850. When I go into the bios configuration for the raid controller the drives I have attached are not present. Specifically ...
1
vote
1answer
899 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 ...
0
votes
1answer
2k views

how do I configure the archttp software for email notifications from an Areca 1880i RAID card

I have a 64-bit CentOS 6.0 Linux computer with an Areca 1880i RAID card. The RAID card has its own ethernet port but it is right now not connected to anything. Instead of using that ethernet port for ...
4
votes
4answers
6k views

Is this a critical RAID error?

If I do the following /opt/MegaRAID/MegaCli/MegaCli -LDInfo -Lall -aAll -NoLog > /tmp/tmp /opt/MegaRAID/MegaCli/MegaCli -LDPDInfo -aAll -NoLog >> /tmp/tmp then I see these errors ...
0
votes
1answer
2k views

how to do a kickstart installation of CentOS 6.0 on a Areca 1880i hardware RAID card

I have a server with this hardware two Intel Xeon E5620 CPUs Areca 1880i 8-port SAS RAID PCIe 512MB cache Areca Battery Backup Module 5 pcs Hitachi Deskstar 7K3000 HDS723030ALA640 64MB 3TB and ...
2
votes
1answer
3k views

Areca 1880i RAID card doesn't initialize: “Waiting for F/W to become ready”

During a kickstart installation (Centos 6.0) of a server having this hardware: Areca 1880i 8-port SAS RAID PCIe 512MB cache Areca Battery Backup Module 6 Hitachi Deskstar 7K3000 HDS723030ALA640 64MB ...
0
votes
4answers
2k views

How long should a RAID Reconfiguration take? (Adaptec 6805)

I'm experimenting with various RAID configurations of a new Adaptec 6805 (not the 'E' model) Attached are 8x Hitachi 5400RPM 2TB SATA 6Gb Drives using the miniSAS to SATA cables provided. I created ...
0
votes
2answers
181 views

How to determine the real disk size of an hardware RAID?

I have a Fujitsu Primergy TX200 S3 server running Win Server 2003 R2 SP2. It has hardware-RAID using an LSI Logic MegaRAID SAS 8300XLP RAID Controller. I simply want to find the size of each disk in ...
2
votes
2answers
230 views

If performance is not a issue software vs hardware raid

If performance is not a issue what makes hardware raid better then software raid. so far i have drawn the following conclusions. Hardware raid is limited to the raid controller if that pacs up you ...
3
votes
1answer
703 views

RAID controller question: NVDIMM or not?

I am in the market for a new RAID controller for a Dell server, and I have a choice between "PERC H700 512mb Cache" and "PERC H700 512mb NVDIMM Cache". There is a $200 difference between the 2 cards, ...
0
votes
0answers
278 views

Is Adaptec Storage Manager Agent (RaidMan) Necessary?

I recently started renting a server with a hardware RAID controller. It came with software called Adaptec Storage Manager Agent (RaidMan, a java process). This agent is always running and using ~1% ...
2
votes
1answer
266 views

Virtualisation mini-datacenter setup?

We have (gradually) built up a simple network of servers which I intend to use as a virtualisation stack(?). To illustrate the hardware that we have at our disposal please see the following image: ...
0
votes
2answers
167 views

installing microsoft server 2008 on RAID drive

Using RAID 1 on a HP G165 G5 server and trying to install windows server 2008, however right at the install screen the windows installation wont find any hard drives. Ive tried installing HP 4/8 ...
4
votes
4answers
2k views

Is it normal for a SAS drive to have a few bad blocks, or should I replace my drive ASAP?

I have a drive—part of a RAID 1 mirror—that has two bad blocks. Adaptec Storage Manger e-mailed me when it detected the blocks. It shows 4 medium errors for that drive, but state is still “optimal”. ...
3
votes
1answer
3k views

How do I configure hardware raid in a Poweredge 2850?

I just bought a Dell Poweredge 2850 from Craigslist and for the most part I'm happy with it's $300 price-tag, but I cannot figure out where to configure the embedded hardware raid... I've seen online ...
3
votes
1answer
559 views

2x SSD's in RAID1 for MySQL server

I'm in need to upgrade my MySQL machine, as currently I am running 2x SATA 7200rpm drives in RAID0. This of course is quite dangerous incase one of the drives fails. As I do not need too much storage ...
0
votes
1answer
128 views

Software RAID to hardware RAID, can it be done?

Can it be done ... well. (For the record, I did not set this server up.) In my server there are 4 disks. 3 of them are in a software RAID5, and 1 has the OS installed. I want to buy a RAID ...
0
votes
4answers
1k views

How to (hardware) RAID 10 on Ubuntu 10.04 LTS with 4 drives and motherboard with RAID contoller

I have 4 500GB hard drives. I set up a RAID 10 in BIOS, much like shown here: http://www.supermicro.com/manuals/other/RAID_SATA_ESB2.pdf Then I followed these instructions: ...
1
vote
2answers
261 views

Can I do a Raid 5 with a SAS6i/R?

I have a PowerEdge 2970 server with a: SAS6i/R Integrated Controller for PowerEdge 2950/2970, x6 Backplane ...
0
votes
1answer
328 views

Windows Server 2008 Core R2 Raid status

I would like to ask if there is a way how to figure out the RAID status on a running W2008SR2 Core machine. I have ICH8R Intel Controller. RaidConfig utility from intel doesnt work just like CMDTool2. ...
3
votes
2answers
544 views

Replacing a Hard Disk in RAID 5 Array with Newer Version

Recently, 1 out 4 disks in my RAID 5 array failed. I searched for a replacement part and learned that only a newer version of the hard disk is available. This "newer" version has the exact same specs ...
3
votes
2answers
2k views

Replace faulty Dell PERC 5/i controller without losing data

Is it possible to replace a 5/i controller without losing the data on the array? Can I import this as a foreign configuration? Any "gotchas" or tips to make this smoother?