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• Linux driver for Intel ICH10R

  - by Pablo Santa Cruz

  Hi! I would like to know what 64-bit Linux distribution can I use with an Intel ICH10R RAID. I have tried CentOS 5.2 and Ubuntu Server 8.04. Neither support that raid controller. Also, I would like to know where do I setup the RAID-5 I want to use. I am using a TYAN S7002 motherboard and the BIOS software does not include an option to configure the RAID as I am used to do with Dell servers... Thanks a lot in advance.

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• MySql Data Loss - post mortem analysis - RackSpace Cloud Server

  - by marfarma

  After a recent 'emergency migration' of a RS cloud server, the mysql databases on our server snapshot image proved to be days out of date from the backup date. And yet files that were uploaded through the impacted webapp had been written to the file system. Related metadata that was written to the database was lost, but the files themselves were backed-up. Once I was able to manually access the mysql data files before the mysql server started (server was configured to start mysql on boot), I was able to see that the update time for ib_logfile1, ib_logfile0 and ibdata1 was days old. As with this poster, mysql data loss after server crash, it's as if some caching controller had told the OS / mysql server that it had committed data that was still in cache, and it was lost instead of flushed. I can't quite wrap my head around how the uploaded files got written but the database data did not. I would have thought that any cache would have flushed system wide, rather than process by process. Any suggestions as to how this might have happened?

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• issue when promoting a second server as domain on r2 2008

  - by Mouradb

  Hello, I'm in an odd situatuion here, I've upgraded my network to a 2008 domain from a 2003 with out any issue, this works fine and all the FSMO are in one DC, I was about to install a second domain on a 2008R2 and this error is coming up again and again. I The problem is I keep getting an area telling me that I need to run adprep /domainPrep /forestPrep, but when I run it on the First DC, it tells me this has already been run and updated and it is aborted. Does anyone have any ideas on why I can't add a Server 2008 machine as a domain controller?

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• Best practice for authenticating DMZ against AD in LAN

  - by Sergei

  We have few customer facing servers in DMZ that also have user accounts , all accounts are in shadow password file. I am trying to consolidate user logons and thinking about letting LAN users to authenticate against Active Directory.Services needing authentication are Apache, Proftpd and ssh. After consulting security team I have setup authentication DMZ that has LDAPS proxy that in turn contacts another LDAPS proxy (proxy2) in LAN and this one passes authentication info via LDAP (as LDAP bind) to AD controller.Second LDAP proxy only needed because AD server refuses speak TLS with our secure LDAP implemetation. This works for Apache using appropriate module.At a later stage I may try to move customer accounts from servers to LDAP proxy so they are not scattered around servers. For SSH I joined proxy2 to Windows domain so users can logon using their windows credentials.Then I created ssh keys and copied them to DMZ servers using ssh-copy, to enable passwordless logon once users are authenticated. Is this a good way to implement this kind of SSO?Did I miss any security issues here or maybe there is a better way ofachieving my goal?

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• Can I issue wireless clients with IP address on different subnet?

  - by Beanz

  We have a very standard setup with a Windows Server 2003 domain controller issuing IP addresses using DHCP. This works fine. Internet access is managed via Microsoft ISA Server 2006 Standard. Clients are required to authenticate and this works fine. We now need to provide wireless internet access to visitors for laptops, iPhones etc. We've bought a couple of Netgear access points so I was thinking we might be able to issue wireless clients connected to it with an IP address on a different subnet and then allow non-authenticated Internet access via the ISA Server for that IP range. Does that sound plausible? I'm not even sure if I can issue a different subnet to wireless clients.

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• Why is this LTO4 Tape-drive not working

  - by Tim Haegele

  # modprobe mptsas # dmesg [ 4274.796796] scsi target7:0:0: mptsas: ioc1: delete device: fw_channel 0, fw_id 0, phy 0, sas_addr 0x50050763124b29ac [ 4274.939579] mptsas 0000:01:00.0: PCI INT A disabled [ 4280.934531] Fusion MPT SAS Host driver 3.04.12 [ 4280.934552] mptsas 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 4280.934692] mptbase: ioc2: Initiating bringup [ 4281.490183] ioc2: LSISAS1064E B3: Capabilities={Initiator} [ 4281.490203] mptsas 0000:01:00.0: setting latency timer to 64 [ 4293.555274] scsi8 : ioc2: LSISAS1064E B3, FwRev=011e0000h, Ports=1, MaxQ=277, IRQ=16 [ 4293.574906] mptsas: ioc2: attaching ssp device: fw_channel 0, fw_id 0, phy 0, sas_addr 0x50050763124b29ac [ 4293.576471] scsi 8:0:0:0: Sequential-Access IBM ULTRIUM-HH4 B6W1 PQ: 0 ANSI: 6 [ 4293.578549] st 8:0:0:0: Attached scsi tape st0 [ 4293.578550] st 8:0:0:0: st0: try direct i/o: yes (alignment 512 B) [ 4293.578577] st 8:0:0:0: Attached scsi generic sg5 type 1 # mt -f /dev/st0 status mt -f /dev/st0 status mt: /dev/st0: rmtopen failed: Input/output error # dd if=/dev/zero of=/dev/nst0 bs=1024 count=10 dd: opening `/dev/nst0': Input/output error I am running debian squeeze 2.6.32-5-amd64 #1 SMP Sun May 6 04:00:17 UTC 2012 x86_64 GNU/Linux Server is Fujitsu TX140 with Controller Symbios Logic SAS1064ET PCI-Express Fusion-MPT SAS Tape+Hardware is new.

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• Migrating RAID6 array from HP SmartArray P600 to LSI MegaRAID SAS 8888ELP

  - by MLu

  My customer has an external RAID6 array (8x 1TB in HP MSA60 enclosure) attached to HP SmartArray P600 controller. They have now decided to replace the server and the new one comes with LSI MegaRAID SAS 8888ELP. The HW supplier insists the migration is as simple as pulling the eSATA cable from P600 and inserting it into LSI but I'm not convinced. Unfortunately I have nowhere to test, and will have to do the exercise on the production array :( So the question in brief - is it possible to import the HP SmartArray P600-created RAID6 array to LSI MegaRAID 8888ELP?

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• Home ZFS based NAS...What processor/chipset to use?

  - by MrBlargityBlarg

  So, I'm building a home/personal NAS. My plan is to expose both SMB fileshares for sharing files/media between hosts, but also to carve an iSCSI target LUN out of it for use by VMWare as a datastore. I want to use ZFS (software RAID) so that means I'll either be using FreeNAS, Solaris Express, or OpenIndiana. My question is basically: How much horsepower do I need? Obviously I/O is going to be my bottleneck but I want to be sure that I am not limiting my I/O because of a slow processor or chipset. So far the hardware plan is to use an Intel i3 and motherboard with one of the H87, Q87, or Z87 chipsets, a SAS controller (JBOD, no RAID) and if budget allows, I'm also hoping to get an SSD for the ZFS L2ARC and ZIL. Does anyone think I could get away with an Intel Atom or cheaper/less-capable processor/chipset than the i3 and [HQZ]87 listed above?

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• Windows 7 won't boot from raid-1 disks until secondary non-bootable disks are removed

  - by PaulP

  I have an ASUS X58 motherboard with a Intel ICH10R southbridge raid controller. Bootable raid-1 SATA disks are on channels 4, 5. Secondary raid-1 SATA disks are on channels 0,1. Everything was working OK until one time I removed the secondary disks and booted successfully but after I shut down and reinstalled the secondary disks rebooting fails with a "Please insert proper boot item" error. If I remove the secondary disks and reboot then do a hot-install of the disks after booting completes, then all is OK. Do I have a raid setup problem or is it something I can fix with Disk Manager.

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• Basic networking problem with Ubuntu 9.04 on Acer Extensa 5635Z laptop

  - by sapporo

  I just installed Ubuntu 9.04 on a brand new Acer Extensa 5635Z laptop, but ethernet networking does't work (wireless doesn't work either, but I'd be happy with ethernet for now). eth0 isn't listed in /etc/network/interfaces: $ cat /etc/network/interfaces auto lo iface lo inet loopback lshw does show the nic, but I can't make much sense out of the information: $ sudo lshw -class network -sanitize *-network DISABLED description: Wireless interface product: AR928X Wireless Network Adapter (PCI-Express) vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:07:00.0 logical name: wmaster0 version: 01 serial: [REMOVED] width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix bus_master cap_list logical ethernet physical wireless configuration: broadcast=yes driver=ath9k latency=0 module=ath9k multicast=yes wireless=IEEE 802.11bgn *-network UNCLAIMED description: Ethernet controller product: Attansic Technology Corp. vendor: Attansic Technology Corp. physical id: 0 bus info: pci@0000:09:00.0 version: c0 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vpd cap_list configuration: latency=0 *-network DISABLED description: Ethernet interface physical id: 1 logical name: pan0 serial: [REMOVED] capabilities: ethernet physical configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A link=yes multicast=yes Thanks for your help!

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• Duplicate of Certificate Templates does not appear in Certificate Template to Issue

  - by Sean

  I'm following what should be simple instructions to enable LDAP SSL on our domain controller (instructions here). Duplicating the Kerberos certificate is successful however, when attempting to select "Certificate Template to Issue", the created certificate does not appear. What gives? A long time ago, I actually completed this step on a now decommissioned DC with no problem. Our environment is Windows Server 2008 Standard, and we have two domain controllers. Only one has the role of certificate authority. I look forward to any help here, thank you ahead of time.

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• Change from IDE to AHCI after installing Windows 8

  - by Louis

  I had my drive controller configured for IDE when I installed Windows 7. This didn't change when I upgraded to Windows 8. I now need to enable AHCI, but doing so causes Windows to fail to start. It doesn't know how to automatically fix the problem. I was able to use Regedit from the recovery area, in order to try using this fix that worked for Vista. That key is missing in Windows 8, however. I read that the relevant key is now in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci. But my settings already match the changes they suggest making. How can I get Windows to boot after enabling AHCI in the BIOS?

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• How to separate Hyper-V Private network from the External network

  - by Ron Ratzlaff

  I am setting up a virtual test lab and I configured a domain controller VM running Windows 2008 R2 on my Hyper-V 2008 R2 server. I needed to download and install updates on it so I added an External NIC adapter and got that done. However, systems on my actual real physical domain were pulling IPs from this server and that was a big oopsy on my part so I immediately removed the External NIC adapter until I could find out how to go about keeping the Private and the External separate. If someone from the Server Fault community can help with this since I am pretty new to this, I would be very grateful. Thanks everyone.

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• What effect does RAID stripe size have on read-ahead settings?

  - by stbrody

  I'm trying to figure out the correct read-ahead values to set on a RAID10 array, and I'm wondering if the RAID stripe size should factor into my considerations. I've heard conflicting information about this in the past. I once heard that you should always set your read-ahead value to a multiple of the RAID stripe size, and never below the stripe size, because that is the minimum amount of data the RAID controller will ever try to read at once. Someone else told me, however, that setting read-ahead below the stripe size is fine, and can, in fact, increase the amount of parallel reads you can do across devices in the array, increasing performance and decreasing load on the array. So which is it? Do read-ahead settings that aren't multiples of the stripe size make sense or not?

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• partition alignment on fresh windows 2003 ent server

  - by Datapimp23

  Hi, I have this server which has it's physical disks in RAID 5 controlled by a 3com raid controller. size of the stripe unit is unknown for the moment (Can check tomorrow in the office). I need to install windows server 2003 ENT and create 2 partitions (OS, Data). I'd like to create the partitions before the installation on windows server. They have to be aligned properly. I have the newest version of gparted on a disc but I have no clue if this is the right tool. Can someone point me in the right direction? Thanks

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• Check if user password input is valid in Powershell script

  - by Doltknuckle

  I am working with a Powershell script that adds scheduled tasks to systems in our domain. When I run this script, it will prompt me for my password. I sometimes fat finger the password and the process starts, which locks out my account. Is there a way to verify my credentials to make sure that what I typed in will validate with the Domain? I'd like to find a way to query the Domain controller. I've done some Google searches and I should be able to do a WMI query and trap for an error. I would like to avoid that style of validation if possible. Any ideas? Thanks in advance.

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• Boot Vista x64 with both ICH8 and ICH10 AHCI support

  - by adurity

  I have a situation where I need to boot Windows Vista 64-bit from both a ICH10 and ICH8 AHCI SATA controller. Currently, it is setup to boot from the ICH10, but when I try booting with the ICH8, I get the famed Windows STOP 7B BSOD. How can I add the ICH8 driver so that I can work around this BSOD and boot the system? I have updated to the latest Intel AHCI driver (8.9.0.1023 as of this post) which is supposed to support both chipsets, but I feel I am missing something.

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• Ubuntu Server 12.04 LTS on Hyper-V 2012

  - by user137533

  I have the following scenario: Hyper-V 2012 server core installation. On top of this i created a virtual machine on which i tried installing Ubuntu Server 12.04 which should not have any compatibility issues according to what Microsoft and Ubuntu are saying (although it is not officially supported). I start, run the installation and everything is ok, no problems detecting the network device or the hard drive (unlike debian which didn't even detect the hard drive). Once the installation is complete it asks me to reboot, it unmounts the "dvd drive" and reboots. Once it tries to start again i get the following error: Boot failure. Reboot and Select proper Boot device or Insert Boot Media in the selected Boot device. It seems to not be booting up from the virtual hard drive. The hard drive is set up in SCSI mode, nothing mounted on the IDE controller (no iso image or anything else. Does anyone have any ideas on what i can do to solve this?

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• Anyone know of a good way to sell used servers?

  - by RandyMorris

  We have a couple of servers we no longer need now that we are fully hosted on a managed host (rackspace). They were purchased for over $10,000 each but we realize that over time their monetary value drops. Anyone have suggestions or experience selling these in a proper way? They are dual xeon processor 2U rack mountable with 4+GB RAM, intel boards, 6x 72GB 15,000 RPM SCSI Drives with raid controller redundant power supply. We are in Southern California area. I can be more specific on any information if there is interest. I know there is ebay and the like but these servers are like the family dog that has to be given up and we are looking for a proper home for a fair price. I will end up auctioning it off if need be in the end though. Thanks in advanced for any help!

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• DFSR - What happens when one server gets maxed out?

  - by Jared

  What happens when one server in a DFSR pool maxes out its disk space? I am at the very beginning of my research in DFS/R and this struck me. I plan on implementing this on one server with RAID1 (160GB) and on another server with a RAID5 (500GB). What happens when my 1st server with 160GB disks, run out of space? Will it spill over to the 500GB server? Is it advisable at all to even have the RAID1 server in the DFSR pool? Because the RAID1 server is also my Domain Controller. Hope you guys can help me out here (OS are Win2k3R2)

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• Why is it that XCode cannot push my changes?

  - by Justin Case

  I am writing an iOS application in XCode. I associated a remote repository to it. I finished writing a View Controller file and then went to File - Source Control - Commit. I wrote a commit message. Oddly, every time I typed a space, an error popped up that read "1 of 2 files will be commited." I then tried to push the commit by clicking File - Source Control - Push. However, I get an error that notes that I have unsaved changes. Why? Didn't I just commit?

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• Can DPM 2007 back up Active Directory?

  - by rbeier

  We're installing Microsoft Data Protection Manager 2007 - we'll be using it to back up Exchange and SQL Server among other things. Does anyone know if DPM can also back up Active Directory? It sounds like the answer is "not really". You can install the DPM agent on a domain controller and make system state backups. But if your Active Directory is out of commission, there will be no way to restore the backups, since DPM depends on AD. Currently we're just using Windows Backup (ntbackup) to take system state backups on one of the DCs. Should we just continue with that? Thanks, Richard

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• Firewall Authentication - logon failed

  - by RoseofPurple

  I am attempting to use a Watchguard firebox 550e with Fireware XTM 11 to authenticate incoming traffic for RDP access. I have configured the firewall to use my domain controller for Active directory authentication with a Windows 2000 server farm and added a couple of user accounts to the users list in the firewall, but when I attempt to log onto the authentication page for the firewall, I get Logon failed. I know that the user names work and that the passwords are correct. I am also certain that I have told it to log on using Active Directory instead of the FireboxDB. I have tried using the username alone, the domain\username, and the email address. I believe that the Search base is correct (DC=mydomainname,DC=com), and I did not change any defaults for sAMAccountName (and I do not recall making any changes to those items when configuring the domain structure). Any assistance would be appreciated.

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• Windows NT workstation on AD domain

  - by Tom

  We run a Windows NT workstation connected to special manufacturing equipment, that everyone is deathly afraid to touch. It has custom software and special cards inside of the machine, making a rebuild impossible. The problem is, we are migrating to an AD domain from an NT domain, and this workstation stills needs access to storage on the network (AD computers). How should I go about doing this, after we get rid of our NT Domain controller? Upgrading to 2000 is not an option (so says management). I know, I know, if it dies we are in trouble. But that's managements choice, we just need to get rid of this NT domain.

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• Defragment an Exchange Volume

  - by IceMage

  The Scenario: I use a dedicated volume (RAID volume) to store all of my data for my Exchange 2007 server. Today, out of curiosity, I decided to check up on how fragmented the files on this data volume were. To my surprise, the answer is extremely. So, a three part question: First and Foremost, SHOULD I defragment this volume (after a full backup of course)? Be specific as to why not if I should not, or reasons I absolutely should if I should. Second, about how much time should I allow for during this maintenance period per gigabyte. The drives are all 7200 RPM SATA drives on a Hardware RAID 5 controller (Perc 5i/6i, can't remember), the files are extremely fragmented. (Over 5000 file fragments per gigabyte). Third, is there something wrong here? It seems to me like the drive shouldn't be this fragmented. Could something be configured incorrectly that could be causing this to happen?

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