Installing Win2k3 On SCSI Raid

Jan 24, 2007

HI have an urgent need to get this server up. I am trying to install 2x147gb U320 drives on a Tyan S5372 board with the Adaptec AIC-7901x SCSI controller module. I have setup RAID 1 so far and updated the Bios to latest version as well. For some reason when I specify the additional device drivers for the adaptec card for scsi win2k3 still doesn't recognize the drives.

I don't know what to do now and time is running out. I have tried over and over again with different disks thinking it could be a bad disk however that is not the case. I hooked up a sata drive to this server and win2k3 installed fine.

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Whats The Best For Server With SATA Raid 1 And SCSI Raid 10

Jan 14, 2008

So I've just got a server with 2xSATA raid 1 (OS, cpanel and everything in here) and 4xSCSI raid 10 (clean).

Which one do you guys think will give the best performance:

1. Move mysql only to 4xSCSI raid 10
2. Move mysql and home folder to 4xSCSI raid 10

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Raid 1 SCSI Or Raid 10 SATA 10k

May 23, 2007

Just curious what your thoughts are on performance:

2 SCSI Drives 10k w/RAID 1

or

4 SATA 10k w/RAID 10

Prices are not too different with 4 drives just being a tad more.

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SCSI Raid 0

Jan 20, 2007

currently my home comp is using a WD 7200 rpm drive, im thinking of upgrading it to raid 0 10k rpm drives, here are the drives newegg.com/Product/Product.asp?item=N82E16822116006 and this is the raid card, newegg.com/Product/Product.asp?item=N82E16816118050 and then i was looking into cables for a scsi drive but i know nothing about them, my friend showed me these cables he found provantage.com/cables-go-09476~7CBTE01N.htm but it says there scsi3 now does this matter? what is scsi 3 and can it be used for these raid cards and hdd, the cables i was lookin at newegg.com/Product/Product.asp?Item=N82E16812193019 are 30 bucks each, now do i need to buy 2 of these for my raid 0 or what? any suggestions on what are the best scsi cables for me and best transfer rate? links would be great too.

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250 GB SATA With RAID-10 Or 300GB 15k Single SCSI Drive

Dec 11, 2007

Planning to buy a server from softlayer, adding a single 300gb 15k scsi drive costs 100$/month and adding 4 250gb sata drives with raid-10 costs 90$/month

Which one would you pick up and why?

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400GB Hard Disk Drives In RAID 0, RAID 5 And RAID 10 Arrays: Performance Analysis

Mar 7, 2007

Quote:

Today we are going to conduct a detailed study of RAIDability of contemporary 400GB hard drives on a new level. We will take two "professional" drives from Seagate and Western Digital and four ordinary "desktop" drives for our investigation. The detailed performance analysis and some useful hints on building RAID arrays are in our new detailed article.

[url]

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Who Really Knows Win2k3 DNS

Apr 7, 2007

I'm running Apache 2.2 on Win2k3, and my domains resolve fine.. but i'm not satisfied with the whole process hosting a new domain:

Quote:

DNS
-> New Zone
-> next
-> next
-> writing domain name
-> A-record
-> typing in my IP
-> Ok

Apache
-> httpd.conf
-> copy paste, change domain, folder
-> restart apache

how to make DNS-assignment easier? I just want all my domains
pointing to

/htdocs/{{domainname here}}

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Win2K3 & Cold Fusion

Mar 19, 2007

Our IT guy at our company is on vacation in HK and now im the temp..

AND iv brought down our website.. its cold fusion.

I was trying to add pictures to it in the windows enviroment when I would get access denyed when adding a picture (or any file) to the folder, so I right clicked that folder when I was logged in as an ADMIN, and added myself to access that folder, IN DOING SO, i think a few users were removed.. dont know how, down know why,

Now, when i access the website i get:

Code:
The web site you are accessing has experienced an unexpected error.
Please contact the website administrator.

The following information is meant for the website developer for debugging purposes.

Error Occurred While Processing Request
File not found: /booking/gallery.cfm

Resources:
Check the ColdFusion documentation to verify that you are using the correct syntax.
Search the Knowledge Base to find a solution to your problem.

Browser Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)
Remote Address 207.194.0.129
Referrer [url]
Date/Time 19-Mar-07 10:01 AM

What the hell have I done, im ripping my hair out trying to figure this one out, What user am I missing? or is it soething else?

I have Administrator,
Creator Owner
System and
Users (with read only access),

everything else has full controll..

PLEASE give me something to go on befor somone notices i Killed the site,

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Upgrading Php & MySQL On A Plesk Win2K3 Server

Jul 14, 2008

I have a Win2003 dedicated server (with The Planet) that i use to host a large IPB forum site.

I got it about 3yrs ago and as I was a complete newbie to server management I got Plesk CP installed so that it would take care of all the SQL, PHP and mail installation and setup in one easy go.

I've since found Plesk for Windows to be a complete waste of space.. but it's still on there and has never been upgraded. I don't actually use it as a CP.

Similarly PHP and mySQL have never been upgraded.

Now I've got to the stage where, to upgrade the IPB forum software, I need to upgrade PHP and mySQL.. but looking at the installation, they seem to be embedded in the Plesk installation. They're inside the SWSoft/Plesk/ folders and none of the ini or config files appear to be in the places you'd expect them to be.

My question -

Would these upgrades be simple?? A case of just running an update package?? Or is the fact that PHP/mySQL are embedded in Plesk mean that it'll all mess up?

I'm worried that a failed upgrade will knacker the forum, which is why I've delayed for so long.

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Win2k3: NTDetect Failed And SATA Hard Disk

Sep 12, 2009

trying to get my Win2k3 Standard R2 server to work.

Problem:

I did some Windows update around 3am this morning but during the update process. I lost Remote desktop connection as my machine is do several attempts to connect with the remote server. I cancel the attempt after several try. I figure i can remote desktop back in again if i wait for a bit but I couldn't re-establish the connection with my remote server. So, I drove to the Datacenter to check it out and it turn out the machine have rebooted and I'm stuck with "NTDetect failed" error message. After some googling, I was trying to fix this error by copying NTLDR and NTDetect.COM into C: but when i tried to use the Win2k3 CD to go into Windows Setup and repair. I got an error message telling me that "Setup did not find any hard disk drives installed in your computer...".

After some googling, I found the two Maxtor SATA hard disks might be the problem and one soultion that i found was to disable the SATA or set it to IDE since the motherboard have nvida RAID controller onboard. I check the BIOS and the RAID is set to disabled and then i tried to disable SATA and only enable IDE. It still give me the same error message about not able to find any hard disk.

I'm on my last rope here. I'm short of reformatting the hard disk and do a fresh reinstall but I will like to avoid this.

Does anyone know if cancel Remote desktop connection attempt during Windows update process cause this NTdetect failed problem or something else that might related to my hardware. I can assure you that two SATA hard disks shown on BIOS.

The soultion to NTDecte failed problem seem to be just copying NTLDR and NTdectect.com into C: but since i can't even get to Repair mode during Windows setup with no disk install error. Can someone recommand how to solve this problem?

The motherboard that i use is ASUS M2N-MX SE AM2 NVIDIA GeForce6100 / nForce430 and the BIOS is American Megatrends Inc.

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Hardware RAID: Is Motherboard RAID As Good As A Dedicated PCI-E Card

Mar 24, 2008

Is Motherboard RAID as good as a dedicated PCI-E card? I am guessing a dedicated card is the best option, though costs more.

We are looking at buying a barebones server from Supermicro. It features an onboard RAID controller which supports RAID 0, 1, 5 & 10 - but for some strange reason it will only support RAID 5 if you use Windows. Here is a link to the page detailing the RAID features.

[url]

We are going to be running Linux, CentOS 5.1, so we will only have the choice of RAID 0, 1 or 10. This isn't an issue, as having RAID 10 on 4x SAS (15k) drives will be fine for speed and stability. What is an issue is would this RAID controller be as fast or reliable compared to a dedicated PCI-E card? If it can only use RAID 5 in windows, does that suggest this controller is too reliant on software? It would be a nightmare to suffer downtime and data loss because the controller couldn't hack it during a drive failure, or one day it decided to bugger up the array when rebooting.

So that leads me to looking at this card, this looks very good for what we need. Are adaptec a reliable brand? I've seen it advertised for £200, which is a good price.

[url]

This card features RAID 5 and 6, would RAID 6 be better than RAID 10 for redundancy, or is it too slow to bother with? Also it seems to have a battery module available for it, what does this achieve? Cos surely if the power dies the hard drives and motherboard can't run off this little battery, or does it just help the controller stay alive long enough with some hard drive information in its memory if the power goes out during a rebuild?

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Any Experiences With Software-Raid 5 Vs Hardware-Raid 5? (e.g. Hetzner EQ9)

Sep 17, 2009

I could try the Software-RAID 5 of the EQ9 Server of Hetzner.

Does anyone here has experiences, how fast a hardware raid 5 compared against the software-Raid 5 is?

The i7-975 should have enough power to compute the redundnacy on the fly, so there would be a minimal impact on performance. But I have no idea.

I want to run the server under ubuntu 8.04 LTS x64.

On it a vitualisation like VMware the IO-Load could get really high.

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How To Setup Software RAID-10 On Linux With /boot On RAID-1

Jul 8, 2007

I am in a somewhat complicated situation... I wanted to order a custom server with hardware 3Ware RAID controller but after over a month of waiting I was told the HW RAID controller, as well as any other 3Ware controller they tried, does not work with the motherboard used in the server from Fujitsu-Siemens and that they simply got a reply from FS that the controller is not certified to work with their motherboard.

So although I'd prefer a HW raid, I am forced to either choose a different webhost or setup a software RAID. The problem is, I haven't done that before and am somewhat moderately...scared

I have read a lot of the info about SW RAID on Linux that I could find through Google but there are some questions unanswered still. So I thought that perhaps some of the more knowledgeable WHT members could help me with this problem...

The server specs will be:

Core2Duo E6600 (2.4Ghz), 2GB RAM, 6-8x* 250GB SATA II HDDs, CentOS 4.4 or SuSe, DirectAdmin

* I prefer 8 HDDs (or actually 9) over 6 but I am not sure if their server chassis can hold that many HDDs, I am awaiting answer from them. They don't have any other drives beside the 250GB ones so I am limited to those.

The preferred SW RAID setup is to have everything in RAID 10, except for the /boot partition which has to be on RAID-1 or no RAID I believe, plus one drive as hot spare (that would be the 9th drive). I am quite sure they will not do the setup for me but will give me access to KVM over IP and a Linux image preinstalled on the first HDD so that I'll have a functional system that needs to be upgraded to RAID-10.

How do I do that? The big problem I see is that LILO or GRUB can't boot from a software RAID-5/10 so I will have to mount the /boot partition elsewhere. It's probably terribly simple...if you have done it before which I have not. I have read some articles on how to setup a RAID-5/10 with mdadm (e.g. [url] ) but they usually do not talk about how to setup the boot partition. Should it be setup as a small sized (100-200MB) RAID-1 partition spread over all of the drives in the otherwise RAID-10 array?

What about swap? Should I create a 4-8GB (I plan to upgrade the server RAM to 4GB in near future) RAID-1 swap partition on each of the disks or swap to a file on the main RAID-10 partitions. The second sounds simpler but what about performance? Is swapping to a file on RAID-10 array a bad idea, performance wise?

Is it possible to grow a RAID-10 array in a way similar to growing a RAID-5 array with mdadm (using two extra drives instead of one of course)? mdadm doesn't actually even mention RAID-10 despite it does support it without having to create RAID-0 on top of RAID-1 pairs if the support is in kernel, from what I know.

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Worth Having RAID 1 If Raid Arrays Break

Feb 25, 2009

How often do RAID arrays break? Is it worth having RAID if a servers hard drive goes down? I was thinking it may just be a better option to just have a backup drive mounted to my system and in the even of a system failure just pop in a new hard drive, reload the OS, and then reload all my backups?

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Software Raid 1 - Rather Slow During Raid 1 Recovery

May 20, 2009

I have a new server and it is rather slow during raid 1 recovery after system installed

CPU: Intel Core2Duo E5200 Dual Core, 2.5Ghz, 2MB Cache, 800Mhz FSB
Memory: 4GB DDR RAM
Hard Disk 1: 500GB SATA-2 16MB Cache
Hard Disk 2: 500GB SATA-2 16MB Cache

root@server [~]# cat /proc/mdstat
Personalities : [raid1]
md0 : active raid1 sdb1[1] sda1[0]
256896 blocks [2/2] [UU]

md1 : active raid1 sdb2[1] sda2[0]
2096384 blocks [2/2] [UU]

md2 : active raid1 sdb4[2] sda4[0]
480608448 blocks [2/1] [U_]
[=======>.............] recovery = 36.7% (176477376/480608448) finish=1437.6min speed=3445K/sec

the sync speed is just 3.4Mb/second and the total hours needs to be more than 40 hours

Also the server load is very high (nobody uses it)

root@server [~]# top
top - 07:00:14 up 16:55, 1 user, load average: 1.88, 1.41, 1.34
Tasks: 120 total, 1 running, 119 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 0.2%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.2%si, 0.0%st
Mem: 4148632k total, 747768k used, 3400864k free, 17508k buffers
Swap: 5421928k total, 0k used, 5421928k free, 569252k cached

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RAID 5 Vs RAID 10 In Shared Hosting Server

Oct 22, 2009

I am in the process of restructuring the infrastructure on our servers. I am thinking of using either RAID 5 (1 hot spare) vs RAID 10 as my 1U server has 4 HDD tray.

RAID 5 would have better capacity but RAID 10 has better overall performance. Which one do you guys go for a shared hosting server?

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Turn Non Raid Into Raid On Live Server

Dec 23, 2008

Is it possible to turn a non raided setup into Linux software raid, while it is live, and if it's the OS drive? Can you even software raid the OS drive remotely? I've been thinking about doing it for the redundancy (and possible slight performance boost for reads, but doing it more for redundancy). I'm using CentOS.

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Read Raid-disk On Non-raid System

May 22, 2008

I want to take some data from a raid-disk (taken from a raid-1 sstem). Put it into a new system already, but this system doesn't have any raid.

When viewing "fdisk -l", it said /dev/sdb doesn't contain valid partition. Is there anyway I can mount it now? I am on CentOS 4 box

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Domain Parking With Win2k3 Domain Name Server (DNS)?

Aug 3, 2007

i have about 8 different domains i'd like to point to a nameserver (ns1./ns2.mydomain.com) on Win2k3 server, but i can't get them resolved through my nameserver without creating a manual forward lookup entry for each *parked* domain separatly..

Does anyone know how to resolve "parked" domains automatically on Win2k3 DNS??

I just can't find any answer for this, everything i've found required manual creation of lookup entries..

anyone?

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Scsi 10 Or 15k

Dec 21, 2008

i currently have a shared vps.

any recommendations for SCSI 10k or 15k? Core2Duo would be nice as well. ~4gb ram
I dont need a lot of HDD space or bandwidth. I'm also open to "hybrid" servers as well

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3ware RAID Or Software RAID

Mar 24, 2009

MY server configure our drives with RAID-1.

How can I check it my server configure with 3ware or software raid ?

Also please advise me how can I monitor raid configuration that my raid is working fine or no ?

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RAID Or Not To RAID: Trying To Decide On A New Server

Jul 11, 2008

I've been talking to the Planet about trading in my four and a half year old "SuperCeleron" (from the old ServerMatrix days) Celeron 2.4 GHz system for something new. As part of their current promotions, I've configured a system that looks decent:

Xeon 3040, 1 gig of RAM, 2x250GB hard disks, RHEL 5, cPanel+Fantastico, and 10 ips for $162.

Not too bad. I could bump up the ram to 2 gb for, I think, $12 more, which I'm thinking about and wouldn't mind some thoughts on. But, the thing that has me really confused is RAID. I like the idea of doing a RAID 1 setup with those two hard disks. But, the Planet wants $40/month for a RAID controller to do it. I really don't want to go over $200 a month!

Any thoughts on alternative redundancy strategies that might avoid that cost? Software RAID does not seem to be offered by the Planet, unless I can figure out how to do it after installation (is that possible?) Better ideas in general on the server?

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Software Raid Vs. Hardware Raid

Jun 5, 2007

how well software raid can perform and how it compares to hardware raid. How does software raid actually work and is it worth it?

How should I look at be setting up software raid if I was going to? Would you recommend just to use hardware raid instead?

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RAID 10 Or RAID 5 With Online Backup

Dec 10, 2007

Which do you guys recommend of the following?

4x 73GB 15,000rpm SAS drives in a RAID 10

or

4x 73GB 15,000rpm SAS drives in a RAID 5 w/ online backup

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SAS Vs SCSI Vs SSD Vs SATA

Oct 26, 2009

Maybe what the advantages/disadvantages are of each in regards to a web hosting configuration?

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Hyper-V And SCSI

Jul 20, 2009

According to the documentation, Hyper-V VMs cannot boot from SCSI drives and requires an IDE drive for each virtualization. I'm new to Windows (Server 2008) and Hyper-V and planning out some hardware.

Does anyone know if it is possible to:

Set up the the server with 2 SATA Drives (Raid 1), along with 8 x Ultra320 SCSI Drives (Raid 5 or 6).

Load the OS and set up all Virtual slices on the SATA drives, so that that virtual boot sectors are on the IDE drives, but the main bulk of the clients allotted space on the SCSIs? Is there issue with that and if so, how do you manage that?

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SSD Vs SCSI Vs SATA

Jun 11, 2009

about SSD vs SCSI vs SATA HDDs?

I heard that SSD are slow in writing, but fast in reading.
is this true?

80GB Intel X25-M SSD is the model i am looking at.

Is this HDD recommended on servers? will this perform better then SCSI or SATA RAID10?

how this works, tell me more about writing

eading speeds (on SSD) etc.

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Scsi Vs Sata

Apr 30, 2008

what is the benefit of scsi upon a sata hdisk

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SATA 15K Vs SCSI 15K Vs SAS 15K

May 13, 2008

I wonder which drive give the best performance? Look like they all have the same 15000 rpm. :d

Any experience?

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1 SCSI Vs 2 SATA

Dec 28, 2007

I currently have a Dell Poweredge 2650 from a few years back, it is running...

2x Xeon 2.4ghz 512K
3GB DDR266 RAM
1x73GB SCSI

Back in the day this system cost $2000, now it's not worth close to that.

So my plans were to dump this bad boy as an SQL server, seeing it has the SCSI backplane and 3GB of RAM, and SQL usually doesn't need as much CPU as a web server.

Now my question, would it be better to use this server or would it be better to build a cheap Core 2 Duo with a RAID0 array with a few SATA drives?

Before you start going off on RAID0, it doesn't matter to me because I am using clustering/failover so data will not be lost and no downtime will be received if the array fails.

Basically what I want to know, is it worth it to keep this server and build upon it or would it be better to sell this server and look into spending an extra few hundred to build a new system with SATA RAID.

I'm going by price/performance rather than reliability as I am using failover to let you know once again .

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SAS Converter To Scsi

Jul 5, 2007

is there any converters out there for sas drives to regular scsi adapters?

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