SATA Drives :: Detected Within The BIOS But Not In CentOS

Feb 1, 2008

I installed 2 SATA raptors drives on my server. I formatted/partitioned one of the drives through WHM. After rebooting both drives disappeared. They are still detected within the BIOS but not in CentOS. It is possible that I installed a wrong driver or made a bad configuration change.

Server Info:

CentOS 4.6 64bit
Motherboard: [url]OS is running on a 250GB IDE drive
2 SATA WD Raptors (That I am trying to get to work)

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Performance With 500GB+ SATA Hard Drives

Jan 16, 2008

running new servers on 500GB+ hard drives, how are these drives performing when they become 50% full?

Can they properly be 50% or more utilized on a cPanel like server with 200+ acccounts?

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SATA Drives For A Dell Poweredge 2650

Jul 24, 2008

Is there any way to use SATA harddrives instead of SCSI harddrives with a Dell Poweredge 2650? I purchased the Dell on the cheap. It came with one 36GB SCSI drive. Four more hotswap slots. No sleds/caddies/trays for additional drives, so I need those as well.

Looking at the market (eBay mainly) for used SCSI harddrives, it's pretty pricey to get drives of a decent size (73gb+, $50+ each). I would like to use SATA drives instead (get them brand new vs. used SCSI). Problem is this server does not have an embedded SATA controller, just the SCSI Perc3/DI controller. So maybe get a 3ware 8000 series SATA controller + sata drives + trays? Is that possible? There are no molex connectors inside the server. Power to the harddrives comes from the SCSI backplane.

The server will be just for my personal stuff (personal web site, DNS, etc), nothing mission critical. Just trying to save a few bucks buying cheap large capacity SATA drives vs. used smaller capacity SCSI drives.

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Feb 16, 2008

I've got a 'virgin' machine from Nocster running CentOS 5, including a SATA drive (shows up as "SCSI").

It looks like it'll be a straight-forward install [url], but I wondered if anyone has had this exact combination before and if there are any problems I should expect? Given that it's a dedicated machine I don't have physical access to, I'm slightly paranoid about screwing up.

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Intel DG35EC +CentOS 5.x Horrible Write Speed By ICH8 SATA Controller

May 5, 2009

we've been testing CentOS 5.3 on Intel DG35EC board (G35+ICH8+82566 Gb NIC), and found that the write speed out of 7200rpm SATA-II drive, connected to on-board ICH8 controller, is consistently under 10MB/sec which is quite horrible!

the same set of hardware can get 100MB+/sec transfer rate with Debian 5.0 and FreeBSD 7.1, just not the CentOS5.3! it doesn't matter whether AHCI mode is selected in BIOS or not, and of course BIOS has been updated with latest version.

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7200 Rpm Sata With Raid 10 Vs 10000 Rpm Sata With Raid1

Dec 19, 2008

about the hd,there are two options, the first one is four 7200rpm sata to do raid 10,
the second one is two 10000rpm sata to do raid 1, about the performance, which one will be better?

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Do Hosts Use Enterprise Drives Or Desktop Drives

Nov 5, 2009

i want to know if there is a difference between enterprise drives and desktop drives and which ones hosts use

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KVM-over-IP For BIOS Access

Dec 5, 2008

We are using a AdderLink IP which is connected to some AdderView Matrix KVM Switches.

The big problem is, that the AdderLink IP is quite slow switchting to the right screen resolution. This means, I have no chance to access the bios, because before I can press the DELL button to enter the bios, I have to syncronise the screen resolution to get access to the Keyboard and press the DELL button. But the syncronisation takes about 5 seconds and therefore I'm too late pressing the DELL button.

Now I search a better KVM-Over-IP box, which I can connect to my AdderView Matrix KVM Switches. It's very important, that I don't need to synchronise anything before I can use the keyboard.

Can someone recommend such a box which don't need to syncronize at all? Or how are other companies accessing the bios?

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Jul 3, 2008

I'm currently in the process of ordering a new server and would like to throw another $50-$70 at the default SATA II 7k 250 GB to increase performance. The server will host a site similar to WHT (php, mysql, and some forum traffic ).

There are three options I can get for the price:

1. Add another SATA II 7k 250 GB and set up RAID 1
2. Add a 73GB 15k RPM SA-SCSI and put mySQL on it. No RAID.
3. Toss out the SATA II 7k and take two SATA 10k 150 GB instead. Put mySQL on one of them. No RAID.

Please keep in mind that the question is budget-related (I know I can get more if I spend an extra $200 but that's not what I want ). Which of the above will make me happiest?

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it looks like SuperMicro MB H8DME-2 is locked it self. (I set password, and worked fine until few days ago, and password does not work anymore.. and it is locked)

Is there any good way to flush this password with keeping all setting?

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Dell Drives In A RAID Array With Non-Dell Drives

Sep 14, 2009

I have a couple of Dell 1950s and in one of them, I have 2x Seagate 15K.5s that I purchased through Dell and I also have a spare sitting in my rack in case one goes bad, also from Dell.

I was going to be repurposing one of my other 1950s and was going to get two more 15K.5s for it, but wasn't planning on getting them through Dell (rip off?). This way, could still keep the same spare drive around in case a drive went bad in that system as well.

When I was talking to my Dell rep recently when purchasing another system, their hardware tech said you can't use non-Dell drives with Dell drives in the same RAID array because of the different firmware between them.

Anyone know if it is true? Anyone have any experience with using drives from Dell in conjunction with the same model drives from a third party retailer?

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15 POSSIBLE Trojan Detected WHM

Aug 3, 2007

i have an site on my server when i open it the kaspersky anti viruss detect there is an trojan in this site .. ( see the picture in the attachment )

and i checked the server from the whm and there is result 15 POSSIBLE Trojans Detected

How i can solve this ?? and remove this trojans .

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4 G RAM Not Detected By Fedora 7

Nov 27, 2007

We recently setup a server with 4 gigs of RAM and installed Fedora core 7 32-bit version in it. After installing the OS, I have found that Fedora is able to detect only 2 GB and not 4 GB of RAM. I installed the kernel-PAE and kernel-PAE-devel modules and restart the server and made sure that the the OS with the PAE switch starts at boot time. However, the OS still does not detect the 4 GB RAM. Any idea what else can be done apart from installing the 64-bit OS in the system?

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No Filesystems With Quota Detected.

Dec 9, 2007

Just installed fresh centos 5 / cpanel and now I get this:

No filesystems with quota detected.

[root@server scripts]# quotacheck -avugm
quotacheck: Can't find filesystem to check or filesystem not mounted with quota option.


[root@server scripts]# /scripts/initquotas
Quotas are now on
Updating Quota Files......
quotacheck: Can't find filesystem to check or filesystem not mounted with quota option.

quotacheck: Can't find filesystem to check or filesystem not mounted with quota option.


How do I fix this?

LABEL=/1 / ext3 defaults,usrquota 1 1
LABEL=/boot1 /boot ext3 defaults 1 2
devpts /dev/pts devpts gid=5,mode=620 0 0
tmpfs /dev/shm tmpfs defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs defaults 0 0
LABEL=SWAP-sda2 swap swap defaults 0 0

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Windows Doesnt Detected All 4GB RAM

Jun 15, 2007

I am using Windows 2003 Enterprise Edition SP1 and i have recently set the computer up to 4GB RAM. I notice a problem occur error :

When I start the computer, Bios detected all 4GB Ram. However, i have checked Total physical memory in General (My Computer-> Properties) doesnot detect all 4GB Ram. it only detect 3GB Ram.

I have checked that this OS support up to 32GB . Why it doesn't detect all 4GB ?
What happen to it?

Mainboard : Intel chipset 915GL

I did following the instruction in internet (exactly is Microsoft) is /PAE in boot.ini file. But, it doesnt work.

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SMART Error (CurrentPendingSector) Detected

Sep 4, 2007

I got email notice about this:


The following warning/error was logged by the smartd daemon:

Device: /dev/sdb, 1 Currently unreadable (pending) sectors

For details see host's SYSLOG (default: /var/log/messages).


The following warning/error was logged by the smartd daemon:

Device: /dev/sdb, 1 Offline uncorrectable sectors

For details see host's SYSLOG (default: /var/log/messages).

It causes server crash and down.

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How To Make Sure Email Isn't Detected As Spam

Feb 8, 2008

I'm just working with my first dedicated server and also in the process of coding a new site. Anyway, I've gotten around to emailing users from scripts on my site (Java Servlet). Using Sendmail as the server (with default config) the emails are detected as spam by pretty much everything.

I'm looking for a complete list of things which need to be done to ensure an email isn't detected incorrectly as spam. I've read through various sites etc but haven't found a definitive list of things which should be done. I'm sure this would be helpful for other forum visitors too.

I'm NOT trying to send spam or anything like that but I haven't set up a dedicated server before.

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Genuine Mails Getting Detected As Spam

Aug 27, 2007

I am using Merak Mail server 8.0.3 (Windows). From past 2 - 3 days many of my users are complaining their genuine mails are going to spam. The value set for antispam is 5 i.e. if antispam value is above it is detected as spam else not spam.

But from past few days which ever genuine mail is detected as spam I have found an very uncommon thing in it. It shows '10.4 FH_HAS_X Has X: header'

The SpamAssassin table shows the following information:

Content analysis details: (16.34 points, 5.00 required)

pts rule name description
---- ---------------------- --------------------------------------------------
0.1 HTML_MESSAGE HTML included in message
0.1 HTML_TAG_EXISTS_TBODY HTML has "tbody" tag
2.2 DEAR_SOMETHING Contains 'Dear (something)'
2.4 BAYES_80 Bayesian spam probability is 80 to 90%
0.0 NO_RDNS2 Sending MTA has no reverse DNS
10.4 FH_HAS_X Has X: header
0.1 SARE_HEAD_HDR_XMS SARE_HEAD_HDR_XMS Message headers used whic

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E1000_clean_tx_irq: Detected Tx Unit Hang

Aug 11, 2007

in one of my CentOS 64bit, there is errors with NICs

NETDEV WATCHDOG: eth0: transmit timed out
e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
e1000: eth0: e1000_watchdog_task: 10/100 speed: disabling TSO
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <59>
TDT <5c>
next_to_use <5c>
next_to_clean <58>
time_stamp <1241628eb>
next_to_watch <59>
jiffies <124162eba>
next_to_watch.status <0>
e1000: eth0: e1000_clean_tx_irq: Detected Tx Unit Hang
Tx Queue <0>
TDH <59>
TDT <5c>
next_to_use <5c>
next_to_clean <58>
time_stamp <1241628eb>
next_to_watch <59>
jiffies <12416368a>
next_to_watch.status <0>

Is there any idea for fixing? It's SM PDSMI+ board. Kernel 2.6.9-55.0.2.ELsmp #1 SMP Tue Jun 26 14:14:47 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux

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Trojan Detected On Initial Load Of Site

Jan 8, 2008

I have 2 reseller accounts with one provider, and in the last several days I have noticed that when you visit the site for the first time, my AV software detects a trojan on the site, but the code & html files are 100% clean!

I'm suspecting that there is something being injected into the scripts from the server daemons that's either running or something else.

Anyone have any suggestions?

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About Leaseweb For Webhosting Service Not Detected Servers?

Apr 12, 2009

tell me about leaseweb for Webhosting Service not Detected servers?

And i want ask if they allowed Warez linking?

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Apr 29, 2008

I always recieve this email: from lfd

Time: Tue Apr 29 03:40:13 2008

Possible detection of "Random JS Toolkit"
Failed to create test directory /etc/csf/1: No space left on device:

See [url] for more information

I do this to test if my server is infected:

mkdir /home/1

it created without any problems

and I used tcpdump and I got this:

<script type="text/javascript" src='jscripts/ips_ipsclass.js'></script>
<script type="text/javascript" src='jscripts/ipb_global.js'></script>
<script type="text/javascript" src='cache/lang_cache/en/lang_javascript.js'></script>
<script type="text/javascript" src='jscripts/ips_xmlhttprequest.js'></script>
<script type="text/javascript" src='jscripts/ipb_global_xmlenhanced.js'></script>

is that mean the server is infected? but these scripts are for the IPB forum board so why I still recieve this email?

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May 25, 2015

Behind a pfsense box we have a computer who act as a forward proxy with apache. At the end we have the family computer.This is the problem: i can't hide the forward proxy on internet, the forward proxy is reported "detected".

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I do not know how this happened though. When I use find command on shell, I got the following error.

find: File system loop detected; `/var/named/chroot/var/named' is part of the same file system loop as `/var/named'.

It is minimal CentOS6.3 install with plesk 11.

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in CENTOS 6.6 / PLESK 12 when I use the find command I get this notice:find: File system loop detected; "/var/named/chroot/var/named" is part of the same file system loop as "/var/named".

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Has anyone begun implementing SSD drives? We're thinking about using them as OS drives.

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I'm not sure they make sense yet, especially in bigger raid arrays...

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I know there are a lot of experienced hardware guys on here, so I wanted some input on 1.5TB drives. Are they reliable enough to be used in non-mission critical storage servers? 99% of what we do is OEM (Dell) equipment, so I don't test raw hardware much these days.

I've read a lot of negative things about Seagate lately. Can anyone chime in with specific models they've had positive or negative experiences with from any vendor? Reading some reviews on the WD 1.5TB Caviar Black drives, there seems to be some weird issues with them going into a recovery cycle.

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