Quick Disk Drive- On Dual Server Setup
Feb 8, 2008
I'm about to purchase a 2nd server to be used as a database/app server alongside my current server (of which will be the web server).
I wish to use 2 x 146GB 10K SCSI hard disks (in RAID 1) on the database server, but will be keeping 2 x 320GB SATAII 16M in RAID 1 on the web server. Will the SATA hard disks affect the performance / effectiveness of the SCSI disks or will I benefit from SCSI even though they're only in the database server?
Also, I'm going for 10K hard disks over 15K because they $20 per month cheaper and it's already expensive ($150 p/m for the two 10K or $170 p/m for 2 x 15k). Taking into account the already hefty price, is it worth the extra for 15K?
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Apr 2, 2007
If you have experience with large mysql databases please share your thoughts about a new MySQL server. If all other parameters are the same, what is better for a 6-10 GB MySQL db, dedicated server?
Dual XEON or Dual Opteron 2212 Dual Core Processor?
Also, any advice on suggested RAM, partitioning, OS, etc. are welcome. Current MySQL version used is 4.1.21.
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Oct 12, 2007
I just added a database server in private network and moved the database for Vbulletin Forum to this server.
But some how, the Forum is loading extremely slow compare to before ( when it was on the localhost). Also, Compare to another website on server (using local database) it is much slower.
One thing good is the load is lower
2 servers are connected via 10mbs private link, both servers are at Softlayer.
webserver: Opteron 170, 2GB RAM, 73GB SCSI 15K
database: Quad Xeon 3220, 2GB RAM, 73GB SCSI 15K.
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Oct 21, 2014
Not sure if I labeled that correctly, but I am looking to setup a multi-server where I offer a cloud ssd hosting plan, and sata hosting plan. The current setup has ssd hosting, but id like to add another ip address, as well as its hard drive to host other websites on that specific server, which is sata based.
For example, I add a domain to my plesk 12 admin account and choose the added Ip address (the sata based one), where it points to that server to access the files for that specific website.
At the moment, cloudflare handles all of my dns settings.. but I am totally lost on how this needs to be setup and if I am required to purchase another plesk license. I am trying to avoid purchasing another plesk license and having to setup a whole new plesk installation just to do this.. This is a vps by the way, not a dedicated server...
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Sep 25, 2008
i had the above server on my website and the datacenter i'm used to get my boxes from increased their prices because they were running an offer back then
i was wondering where can i find the following specs with the following range:
Dual Xeon 3.2Ghz
4GB Ram
2 X 300GB disks
traffic can be anything between 1000 - 2000GB
Linux CentOS
cPanel
my cost was $151/mo, any price on that range or lower would be great
i can tie myself for 1 year contract but monthly payments since my customer signed for 1 year contract already
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Jan 10, 2007
I have linux dedicated server and like to setup dual NIC cards for extra redundancy.. in case one NIC card fails.
I have no idea how I can set this up..how can I do this? I understand at least I need swtich.. and?
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Oct 4, 2009
We're building a bunch of new servers (as I mentioned in another thread). What do you guys think is the best drive layout? Traditionally we just have the entire 4-6 drives in a RAID 5, but now I'm wondering if it makes sense to have a separate OS drive, and then the rest in a raid 5?
On a side note, we need a giant ~2TB-3TB partition on these boxes, that's why we go with the multi-drive raid setup. Thoughts? I know it was customary to have a separate OS drive back in the day (I remember having WD raptor's for that), but now when the WD Black-edition (which we'll be using for the raid setup) are as fast as the raptor's, is it even worth it?
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May 25, 2007
I am currently in the process of upgrading my web/mysql server due to heavy loads and io waits and have some questions. I am trying to be cost efficient but at the same time do not want to purchase something that will be either inadequate or difficult to upgrade in the future. I hope you can provide me with some guidance.
This server is a Centos Linux box, running both apache and mysql. The current usage on the box is:
Mysql Stats:
50 mysql queries per second
With a ratio of read to write of 2:1
Reads are about 65 MB per hour and writes are around 32 MB per hour.
Apache stats:
35 requests per sec
The two issues that I am unsure of are:
- Whether or not i should go with Raid-1 or Raid-5
- Whether or not I should use Sata Raptor drives or SAS drives.
In either configuration I will use a dedicated Raid controller. If I went with SATA, it would be a 3ware 9650SE-4LPML card. If I went with SAS, I was looking at the Adaptec 3405 controller.
Originally, I was going to use 3 x 74GB Seagate Cheetah 15.4K SAS drives in a Raid-5 config. After more reading, I learned that raid-5 has a high write overhead. Though read is definitely more important based on my stats, I don't want to lose performance in my writes either. With this in mind, I looked into doing Raid-1 instead.
I came up with these choices:
- Raid-1 - 2 x Seagate ST373455SS Seagate Cheetah 15K.5 SAS. HDs & controller costs are $940.
- Raid-1 - 2 x WD Raptor 74GB 10K SATA 150. HDs & controller costs are $652.
- Raid-5 - 3 x Seagate Cheetah 15K.4 ST336754SS 36.7GB. HDs & controller costs are $869.
- Raid-5 - 3 x WD Raptor 36GB 10K SATA 150. HDs & controller costs are $631.
As you can see we are not looking at huge differences in price, so I would be up for any of these options if I could just determine which would give me the best performance. I also know that I should have a 4th hotspare drive, but will buy that later down the road to ease cash flow in the beginning. If I went the SATA route, I would buy the 4th immediately.
From what I can tell, both configs provide the same redundancy, but are there any major performance considerations I should take? From what I have read, scsi/sas can enable database applications to perform better do to a lot of small and random reads and writes?
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Oct 28, 2009
Which RAID level should I chose for an 8 drive setup? It is going to be a R1Soft server.
Should I get RAID 5, 6, 10, or a different level?
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Apr 5, 2009
For a Vbulletin forum with up to 200 users online (only) but growing nicely and I want to be set for quite a while:
I am going to use Nginx, XCache, PHP-FPM, FreeBSD, Gzip
Currently using ~55 GB transfer with mod_deflate, all with dynamic traffic, little bits and pieces, no bigger files.
I want to be able to push 500 GB transfer or so this way, or ~ 1000 users online, many searches from non-registered users, too
I am looking at
Q9550, 8GB, 4x73 SAS 10k Raid-10, $200 Webnx
or
i7 920, 12GB, 4x73 SAS 15k Raid-10, $250 Webnx
or
X3220, 8GB, X25-E SSD Intel, $300 Softlayer
Am I too concerned about disk I/O? Should I save some money and settle for a 2xSATA Raid-1.
Databases are < 2GB and would fit into the RAM
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Apr 15, 2008
I recently build a server with Asus M2N-MX SE motherboard and SuperMicro 14" mini 1u. On the back of the Asus M2N-MX SE manual. it said for RAID driver, i need to create it from the included CD and use a floppy disk. my question is how can i do it without a floppy disk? i have an external DVD-burner that i hook up to usb to install the OS. Is it possible to use a cd to install the driver when i press f6 during Windows2003 installation?
Is it worth the effort to setup RAID 1? I have two Maxtor 500GB SATA disks and using RAID 1 seem to reduce one disk and leave me with 500GB worth of space and is the onboard Nvidia RAID trust worthy? because it said due to chipset limitation, the SATA ports supported by the Nvidia chipset doesn't support Serial Optical disk drives (Serial ODD).
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Nov 7, 2008
server intrusion: quick fixes
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Apr 26, 2009
What's a better choice DUAL XEON 2.8GHZ 533FSB w/HT or Pentium D 925 3.0 Dual Core?
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May 26, 2008
if these were decent pricing for the following dedicated servers:
DUAL QUAD-CORE XEON
2x XEON 5345 (8x 2.33ghz)
2GB FB-DDR2 667 RAM
250GB HDD
THIS CONFIG - $350 / mo
DUAL DUAL-CORE OPTERON 285
2x OPTERON 285 (4x 2.66ghz)
2GB DDR 400 REG/ECC
250GB HDD
THIS CONFIG - $250 / mo
SINGLE QUAD CORE Q6600
1x Core 2 Quad (4x 2.40ghz)
2GB DDR2 1066 RAM
250GB HDD
THIS CONFIG - $200 / mo
They are all listed as 10mbit unmetered and they show the following for their providers:
Qwest, MCI/Verizon, Savvis and BTN
Does it seem about right? I'm new to hosting and just wanted to make sure that it is decent pricing.
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Mar 13, 2008
We are going to buy 2 servers. One will be a Apache webserver (PHP, ZendPlatform) and other will run MySQL.
which one is better Dual Xeon or Dual Opteron? Below are the available options.
[url]
Dual Xeon E5335 Quad Core (Clovertown)
Dual Xeon E5420 Quad Core (Harpertown)
[url]
Dual Opteron 2212 - 4 CPU cores, 2.0 GHZ each
Dual Opteron 2344HE (Barcelona)
Dual Opteron 265
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Feb 20, 2007
I want to colo dual xeon 3ghz/ 2 x 250 sata drive and Dual core 3.0 / 2 x250 Sata drive.
How much amp these server need? One colo company said 4amp for dual and 2 for dual core. Do I need 6amp for 2 servers? Rack comes with 15amp so I need half rack?
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Jan 23, 2008
Which one you suggest for running database server and VPS's?
Dual Xeon3ghz 1mb dual core vs Quadcore 6600 2.4ghzx4 core 8mb.
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Sep 4, 2007
I have a dual processor server and today I was monitoring CPU usage using the ‘top’ command
There was a mysql process I was tweaking around with where the CPU % kept jumping over 100%.. It went up to 155%, 175%, 180% on numerous occasions.
My question is on a dual processor machine does ‘top’ measure CPU usage between 0% and 200% or does the usages I saw earlier mean my server was getting REALLY overloaded?
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Jan 26, 2007
1- i did Os Reload with new Hard drive for "home"
2- data "backups" drive lost
3- replaced the old home drive as "/old drive"
4- " /old drive " is now the secondry drive in my server and it has the all sites usres and evry thing
5- what i need , to trasfer, copy this sites from " /old drive " to "home"
but data center said
The /olddrive/home directory contains the contents that were previously in the /home directory. You can copy files from this directory to any other directory on your server.
The command to copy files in the UNIX environment is the "cp" command.
The user directories in /olddrive/home directory contain the web page files for the users. However, simply copying the contents over will not recreate the users or domain entries in DNS/httpd. If you wish these back you will need to recreate them manually or restore them from backups.
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Nov 29, 2007
at getting PDUs for the new facility where we plan to move our servers to. Our cabinet will have 2*20a circuits, so we're thinking of getting 2 APC PDUs (1 per circuit). Some offer remote reboot capability.
Our servers (Dell PowerEdge) have dual power supplies, and I assume the best thing is to plug one power supply into each circuit, so things stay up even if a circuit fails.
So, how would this work if we want to reboot? The servers can run on only one power supply, so does that mean we have to click reboot on the web interface of each PDU at exactly the same time?
I've never worked with PDUs before.. just cheap power strips and a call to the datacenter
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Feb 16, 2007
Primary drive (centos/cpanel) is corrupt
The server is displaying these errors when I tried to do an FSCK:
Bad inode IO
ext3-fs error (device(8,3)) IO Failure
I am having a new primary installed and old primary set as 2nd drive. I need to recover the cpanel domain accounts from this 2nd drive after I mount it with the method below:
mkdir /backup
mount /dev/sdb1 /backup
However, how do I actually recover these accounts in an automated process via whm? I've done this before with the same matter (corrupt primary drive, mount as 2nd, etc) but cannot exactly remember the proper steps.
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Dec 28, 2007
I just purchased a brand new 10K 150GB drive. How can I take an exact copy of my current drive and transfer everything over to the new drive? I think I need to create a snapshop, or mirror it somehow.
What software will do this? I was told trueimage, but its very pricy, is there anything else?
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May 4, 2009
different opinions on dual cpus and dual core.
But say: I have 2 servers, one with a dual CPU and another one with a single CPU but dual core. The CPUs have all the same specification (bus speed, cache, frequency, etc). Which one would perform better for web hosting (php, mysql)?
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May 8, 2008
What is the fastest server Dual Xeon 3.06(HT) or Pentium D 3Ghz ?
to select the fastest one?
Dual Xeon 3.06 with HT
512K cache [1MB total on 2 processors]
533FSB
2GB Ram
Pentium D 3 Ghz (Dual Core)
2MB cache
800FSB
2GB Ram
==================================
My second question is,
Pentium D 3GHz mean
1.5GHz X 2 = 3GHz or
3GHz X 2 = 6GHz ?
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May 12, 2008
I'm just about to buy a server for my Database.
My site does 230,000 unique visitors per day and I have MySQL and Httpd on the same server with 2gb ram and quad2core....
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Jan 9, 2007
I`ve read this about allowing certain IPs access to the server
Quote:
More advanced: /etc/apf/allow_hosts.rules
10. As a safety precaution, you might want to add your ip to the '/etc/apf/allow_hosts.rules' file.
Open the file in your favorite editor.
11. Add the ip of your computer to the end of the file. This will cause all traffic to and from that ip not to be filtered. You can also add the ip's of other servers.
If you want to specify what kind of traffic to allow from those ips that is not covered with the current firewall rules (ie. you blocked all traffic to SSH and only want a few ips to be able to access the SSH port), then this is the format you would use:
Protocol : direction/flow : source/destination port : s/d ip
[tcp/udp] : [in/out] : [s=/d=]PORT : [s=/d=]IP
Ex (let the ip 192.168.0.100 access to port 22):
tcp:in:d=22: s=192.168.0.100
What I`d like to know is if its possible to put an IP range in there instead of just one ip address
such as you specify a range in the conf.apf file upon setup
eg:
tcp:in:d=99_123: s=192.168.0.100
where 99_123 is the port range
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Jul 21, 2007
I am building a server using two Clovertown E5320 processors for a project. I need some suggestions for a motherboard and memory. I have looked at some boards on Newegg, but I'm still unsure. I do not have a large budget for the motherboard, so the cheaper, the better.
If anyone has other processors they would go with alternatively I'm open to suggestions there as well. It was either going to be a single Clovertown (later to be two) or two AMD Opteron 2212's....
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Jun 2, 2008
I'm running a message board and it looks like I've outgrown the low end xeon 3040 1.86GHz dual core server, and the bulk of the CPU load is going to mysqld. I'm debating between offloading the DB to a dedicated server vs upgrading the existing server and hosting the web server and db on the same machine.
Any thoughts on the better approach? fwiw, the load from apache seems next to nothing right now, but I am also planning on adding an SMTP server for user registrations and general support email.
I'm also not super familiar with dual-core and dual processor machines. Does shifting mysql to a dual core or dual proc machine help (vs a single core/single proc machine)? since there is just one mysql daemon, does having a second core or proc. buy me anything?
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Oct 5, 2009
I find it worrying when new or relatively new users post "[XYZ]VPS PROVIDER IS A SCAM" or "[XYZ]VPS ROBBED ME" in a topic because they didn't get the instant ticket response or fast enough setup time on their $10 VPS..
I'm planning on setting up a budget UK based VPS service myself some time soon, and users would do well to remember that a lot of hard work goes in to the management and set up of such providers. This kind of negative publicity can not be taken back once posted. A quick google search will throw this kind of a post up and cause irrepairable and often, completely unnecessary harm to a business..
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