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• Very slow disk performance on Dell PowerEdge 2950 w/ PERC 6/i running RAID 10

  - by vocoder

  I recently set up a server running Ubuntu 10.04 LTS on a Dell PowerEdge 2950 server - it has 6 500 gb 7200RPM SATA drives setup in a RAID 10 config. I am seeing extremely poor disk performance - the RAID array reports all disks are normal and using MegaCLI, it looks like the BBU is fine. hdparm -tT /dev/sda reports: Timing cached reads: 90 MB in 2.05 seconds = 43.96 MB/sec Timing buffered disk reads: 24 MB in 3.11 seconds = 7.72 MB/sec So as you can see, it takes forever to something as simple as an apt-get upgrade and even logging into the server. How do I go about troubleshooting what is causing this? I upgraded the firmware on the PERC 6i RAID controller to the latest, but didn't see any improvements.

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• Getting packets from one port to another on a Dell PowerConnect 2824 switch

  - by Arvo Bowen

  I have a dell PowerConnect 2824 and I have a cat 5 cable connected from port 1 to port 23. Port 1 is reserved for VLAN 1 (the only VLAN that can manage the switch) and port 18-23 belong to VLAN 112. I currently have the switch setup with ip 10.71.3.5/27 and a test machine plugged into port 22 with IP address 10.71.3.30/27. For some reason I can not ping 10.71.3.5 from my test machine (10.71.3.30). Note: When I try to ping the server plugged into port 21 (IP: 10.71.3.7/27) also VLAN 112, I get responses just fine. Note: When I plug my test machine directly into port 1, I can ping 10.71.3.5 just fine. Quick Recap: Switch IP: 10.71.3.5 Port 1 - dedicated to management - (VLAN1) Port 21 - SERVER (10.71.3.7/27) - (VLAN112) Port 22 - test machine (10.71.3.30/27) - (VLAN112) Port 23 - dedicated to management (to hop over to VLAN 1 from VLAN 112) - (VLAN112)

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• How to set up Dell OMSA tools on Debian 6 (Squeeze) (PE2950)

  - by javano

  I assume I have set up them up incorrectly or am missing a library or dependency. When I log into the OMSA web interface I can't see anything Also, omreport tells me nothing; root@box:~# omreport storage controller No controllers found I assume these two will use the same source of information so what ever is wrong will fix them both. I set up OMSA as per these instructions. Also I have compiled MegaCLI (as this is a PowerEdge 2950 with a Perc 6/i controller) and I have used that to update the RAID firmware, so that works, but the Dell tools aren't. What have I missed during set up? root@kvm1:~# cat /etc/issue Debian GNU/Linux 6.0 \n \l root@kvm1:~# uname -a Linux kvm1.mivoice.cust.vostron.net 3.4.9 #1 SMP Wed Aug 22 19:08:46 BST 2012 x86_64 GNU/Linux

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• Removing RAID on a DELL power-edge server

  - by Simon Callan

  We have a Dell Power-edge T110 server, with either a PERC S100 or S300 raid controller (I suspect S100), and 2 x 500GB SATA hard discs. These discs are running in RAID-1 configuration, (either 1 or 2 virtual discs), and on top of this, we have the C and D drives. As we are running low on disc space, we are looking at dropping the RAID to get some disc space back. Is it possible to split the discs back into 2 seperate hards discs that the OS can see, without losing all the data on the drives? Even better, would it be possible to split the D: drive, leaving the OS C: drive in RAID1 configuration?

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• Dell poweredge 1850's - wont install os

  - by user1326789

  I have 3 of these dell 1850 rack servers. 1 has 3GB RAM and 2 73GB HDD's. 2 have 6GB RAM and each of them has 2 73GB HDD's. I am currently trying to install an os on them but when i boot with windows xp setup, it gives me an error saying no partition found. Now i have set these drives up in RAID on the server and i put them "online" so it should be working fine but they're not. Please assist me in installing an operating system on these, i have no clue as to if it's the BIOS or the RAID controller within it. Thanks in advance, -Matt.

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• Installing W2K8 R2 on a Dell Poweredge 2850

  - by DerekT

  I'm a server novice and have been given a Dell 2850 (PERC 4e/Di). It has 3 blank HDs that I think are configured as RAID 5. I am trying to install W2K8 R2 SP1 on it. It doesn't have a DVD reader so I created an install USB. This works fine until it's time to copy files to the HD. It can't see a HD. There is an option to browse for drivers at this stage. Any idea what drivers I need and where to download them? I downloaded this driver RAID_DRVR_WIN_R227150.EXE but this failed with invalid signature. Thanks to dyasny for the link to LSI-LOGIC_MULTI-DEVICE_A00_R227150.exe.

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• Dell U271 monitor DisplayPort suddenly not working

  - by Amir Latif

  My new(ish) Dell U271 took a bit of a knock and it now suddenly doesn't recognise the Macbook plugged into it via DisplayPort - this had been working great for several months up until now. When I "Scan Sources", it doesn't find anything on DisplayPort. However, one suspicious behaviour leads me to think all might not be lost. When the Mac is woken from sleep, this used to kick the monitor in (as an monitor would) and while it no longer does that, the light on the monitor does go from standby orange to blue briefly, then the monitor says it's going into "power save" mode. It seems like it gets some kinda signal. Any ideas on how I can diagnose the problem? I'm trying to find another mac but no one near me has one ...

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• Dell 620 display is too bright to use

  - by keith

  I have a Dell D620 with a display problem. In windows 7 the display seems to be too bright, the text is broken up, the only way to see the mouse is at a very oblique angle. Changing the brightness with fn and brightness control has little/no effect. When I put it in high contrast mode I can see all the colors, but any windows pictures etc are still useless. I cannot get it to connect to an external monitor via VGA port or via a USB-VGA connector.

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• Dell EqualLogic vs. EMC VNXe [closed]

  - by Untalented

  We've been looking into SMB SANs and based on the competitive pricing I've been getting we're really liking these two array's. There are some pro's to both solutions, but I've unable to really decide which to choose. The EMC offers better expandability since you can buy an additional shelf (roughly $1200) and can add drives then to the array. However, the Dell unit is still very nice. Can anyone comment on their experiences with the two and thoughts on this? Also, to get the VMware Storage API support you need VMware Enterprise. How much additional performance does this provide? It's roughly $15k more than the Essentials Plus bundle we're looking at (this is a small environment [3 Hosts 1 Array].

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• dell vostro 1310 with nVidia 8400M display problem

  - by Arthur

  Hi everyone, i hope someone can help me with this problem. I have a Dell vostro 1310 Laptop with 32 bit vista and a 8400M nVidia chip. Recently i have noticed performance issues when my girlfriend was playing Sims 3, and then one day i turned it on and all i got was a thick white line at the bottom of the screen. i heard the OS start up so automatically i thought it was a damaged screen, but i had doubts so i plugged it into an external display via the vga port. it worked but everything appart worm the OS choice menu looks distorted beyond belief. even the bios screen had multicoloured lines running down the screen. The resolution is non existant, the screen only shows a 256 colour pallette and is heavily distorted. i barely managed to get to the device manager where i found the gfx card with an exclamation mark. does anybody have suggestions? should i buy a new mobo or are repairs possible? thanks in advance

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• Dell docking station / Windows 7 not detecting HannsG JC199D via DVI

  - by user27150

  I have a laptop running Win7 that I use with a Dell docking station. I'd used it with XP for a couple years running dual monitors from the docking station, one from the VGA and one from the DVI. After upgrading to Win7, the monitor that's on the DVI out is not detected, using "rigorous detection" or otherwise. I've switched the cables to verify that it's not the monitor at fault-- but I can't find any info on why the monitor wouldn't be detected. I've got the latest and greatest Nvidia drivers installed (at least, as far as Windows update is aware). Leaving the laptop lid partly open does allow Windows to detect the laptop's native screen as well as the VGA monitor, but never the DVI. The monitors are HannsG JC199Ds. Any ideas? Thanks!

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• Remote RAID Control in ESXi on a Dell PowerEdge 2950 Using OpenManage

  - by yoyomommy

  I was wondering how one can add a drive into an existing RAID array while ESXi is still running. I have read that you are able to use Dell OpenManage to do this. I have installed OMSA 7.0 on the VMWare ESXi host (5.0 and fully updated) and I've installed OpenManage Essentials on a Windows Server 2008 R2 guest. The issue that I'm having is that OpenManage is unable to see my RAID controller. I have seen videos and photos as parts of guides on how to do this online, so I would assume that the functionality exists and I just have it set up wrong.

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• Connect Lenovo Thinkpad Edge e120 to WQHD display (such as Dell U2711) through HDMI

  - by Fulvio

  On paper, the HDMI version of the Lenovo Thinkpad Edge e120 is 1.3, which supports WQHD. Does it actually work? I want to connect the e120 to a WQHD display, such as the Dell U2711 or an Apple Cinema Display. I run Windows 7 Ultimate and latest drivers. The e120 I think has the Intel HD Graphics 3000 onboard chipset. I don't have the chance to test out the e120 with neither of these displays, so I'm seeking for an opinion from those who have tried. Thank you

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• Is Lojack preinstalled on Dell's laptops?

  - by Blorgbeard

  I'm looking at buying a Dell Studio 15 or similar. Unfortunately, they all seem to come with Lojack software included and no option to take it out of the build. I really do not want this software installed on my laptop. It sounds really abusable, and hard to get rid of once installed - it hides in your BIOS and survives reinstalls, etc. Does anyone know whether Lojack comes preinstalled on this machine, or if they just ship you a disc, which could subsequently be broken in half and/or microwaved into submission?

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• Configuring NVIDIA Quadro with Dell Precision M4600

  - by vsecades

  After a frustrating couple of weeks when I recently bought my Dell Precision laptop, I managed to fix an issue where Ubuntu (yes, was NOT using Windows, get serious) would not recognize the video card and would cause all sorts of problems all over the place. I ended up one Saturday morning nearly throwing this thing away, when I managed to find a post about NVIDIA Optimus technology... ( http://www.pcmag.com/article2/0,2817,2358963,00.asp ). Now I am a huge advocate of disruptive new stuff, as long as we keep the broader audience in mind. Anyhow, disabling this (which as the BIOS settings state only work on Windows 7 or later), effectively allow the NVIDIA based Ubuntu driver to kick in full force. No need for a trash can anymore thankfully. As I saw multiple posts all over the place about this, check your BIOS, disable and try the video again to see if this corrects your issues. Best of luck!

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• Dell Vostro 1510 slow boot

  - by pkswatch

  I have an old Dell Vostro 1510 with Ubuntu and Windows 7 on it. When it is switched on, it shows the following message: NO TPM OR TPM HAS ERROR SYSTEM BIOS SHADOWED VIDEO BIOS SHADOWED Then it waits on the same screen for about 70-80 seconds before showing up the grub. I read about tpm problems but did not get anything about shadowed problems. So my guess is tpm isn't the reason for this slow booting (am I right?) But then what is it exactly? Please help..

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• Dell D630 - Touchpad does not move the mouse cursor

  - by Dean McKenzie

  Windows XP - Dell D630 - Synaptics Touch Pad driver installed. The system tray icon that shows the movement of your finger on the touchpad registeres movement. The scroll feature of the touchpad works on any window with a scroll bar. The double click works even. But it never actually moves the cursor on the screen. An external mouse works with out problems, and I've replaced the palm-rest/touchpad and it continues to happen. The touch stick in the middle of the keyboard works without problems. Does anyone have any ideas?

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• dell studio 1558 multi touchpad multi finger problem

  - by christian130

  Recently I bought an Intel Core i7 Dell laptop fully integrated. I have an ATi Radeon 1 gb ram graphic card and so on. Everything works fine even the brightness, but when I try the multi touch multi finger(touchpad which enables two or more finger) the pointer jump and go there and go here and so It's very annoying because when I'm trying to write this question I cannot let the pointer be cool! when I accidentally the touchpad it is very annoying. How can I fix this ?

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• iPad USB Charging Utility for Dell Optiplex

  - by BreakPhreak

  As you probably know already, an iPad requires a certain power on USB port to be charged from. Thus, some motherboard manufacturers (such as ASUS, Gigabyte etc) had released a special driver that recognizes that an iPad is connected to the port and adjust the USB power accordingly. On one of my computers (Gigabyte motherboard) it works fine. But other one is Dell Optiplex 780 and the regular googling by "<motherboard type> + iPad charging" doesn't seem to bring encouraging results. Just for completeness: no, the iPad is not being charged without any special driver installed (out of the box) either. Any suggestions will be welcomed.

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• Problems installing Windows 7 on Dell Inspiron 531 desktop

  - by wardedmocha

  Hello. I am having a problem installing Windows 7 on a Dell Inspiron 531 desktop. I got the setup to run and now it was trying to restart and now the computer just beeps. Two times a second, one right after the other. The beep is not like a key is being held down. And the computer isn't showing anything on the screen. edit: this is a computer I am trying to fix there where two blue screen errors that I know of. the first one had something to do with a display driver the second one was unknown

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• Restoring Dell recovery disks while preserving Linux partition

  - by Flup

  I have a Dell laptop dual-booting to Windows 7 and Linux. I have through my own stupidity royally stuffed the Windows partition. I have the set of recovery DVDs that I created when I first got the laptop, and I've successfully booted from them in a VirtualBox VM and ended up with a fresh (albeit virtualised) installation of Windows 7. When I started the recovery process, there was mention of other partitions being preserved, but it was unclear as to whether non-NTFS partitions would survive the process. The question is: can I run the recovery procedure without risking my Linux partition?

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• Dell Precision 670 no booting

  - by fristson

  Our dell running xp did not boot one day and was making a beep code I had a hard time finding on the internet. It was one of the RAM sticks so i replaced it. Before that i removed the motherboard battery to see if there was a problem with the battery. Now at start up it tells me that No Logical Drives Found and then BIOS not installed!. I have read over alot of post here and other places but everyone is talking about installation of the OS. I just want it to start with what it had. Please help.

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• Sound problem in my Desktop

  - by bobby521

  I have a Dell Dimension 5150 desktop, I am not able to hear any sound when any audio file is playing, I have checked the audio drivers and have downloaded the drivers from the dell site, Is this a Hardware problem with the sound card, in case is there any way to find out whether its the problem with the sound card or any suggestions is greatly appreciated

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• How to generate and print large XPS documents in WPF?

  - by bitbonk

  I would like to generate (and then print or save) big XPS documents (400 pages) from my WPF application. We have some large amount of in-memory data that needs to be written to XPS. How can this be done without getting an OutOfMemoryException? Is there a way I can write the document in chunks? How is this usually done? Should I not be using XPS for large files in the first place? The root cause of the OutOfMemoryException seems to be the creation of the huge FlowDocument. I am creating the full FlowDocument and then sending it to the XPS document writer. Is this the wrong approach?

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• RAID 5 - DELL 2850 and others

  - by Kiara

  I have installed Ubuntu on a DELL 2850 and I have configured an array of 5 disks (SCSI 73GB 10K) in RAID5. I wanted to simulate a drive error so in the middle of something I just took one of the drives out and put it back again after a bit. Then the drive shows an orange light and seems to be rebuilding but actually is taking hours and hours with no results. So I went to the PERC utility (Ctrl+M) and the disk shows "REBLD". But it never gets to an online state. So I went to Objects - Physical drives - Rebuilding - View rebuild process. And in here I can see a bar moving from 0%... but if I reboot before finishing and get into the PERC Utility again, it seems to start again rebuilding from 0% - so it is not rebuilding automatically. My concern is: what would happen in a real situation? Do I have to just switch the server off and go to the Perc utility to start the rebuilding manually? I thought the whole point was to have this done automatically and without the need of stopping the server. Or does it perhaps rebuild automatically indeed but needs to have enough time without rebooting because otherwise the rebuilding process will start from scratch? It seems to take more than 3h for a 73gb disk! My second question is: can I mix then hard drives? So if I have a RAID of 5x73GB 10K can I use different size (146GB) or speeds (15K)? Apparently someone said it is OK in here Poweredge 2850: replace disk with larger in RAID?

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