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• Quantifying the effects of partition mis-alignment

  - by Matt

  I'm experiencing some significant performance issues on an NFS server. I've been reading up a bit on partition alignment, and I think I have my partitions mis-aligned. I can't find anything that tells me how to actually quantify the effects of mis-aligned partitions. Some of the general information I found suggests the performance penalty can be quite high (upwards of 60%) and others say it's negligible. What I want to do is determine if partition alignment is a factor in this server's performance problems or not; and if so, to what degree? So I'll put my info out here, and hopefully the community can confirm if my partitions are indeed mis-aligned, and if so, help me put a number to what the performance cost is. Server is a Dell R510 with dual E5620 CPUs and 8 GB RAM. There are eight 15k 2.5” 600 GB drives (Seagate ST3600057SS) configured in hardware RAID-6 with a single hot spare. RAID controller is a Dell PERC H700 w/512MB cache (Linux sees this as a LSI MegaSAS 9260). OS is CentOS 5.6, home directory partition is ext3, with options “rw,data=journal,usrquota”. I have the HW RAID configured to present two virtual disks to the OS: /dev/sda for the OS (boot, root and swap partitions), and /dev/sdb for a big NFS share: [root@lnxutil1 ~]# parted -s /dev/sda unit s print Model: DELL PERC H700 (scsi) Disk /dev/sda: 134217599s Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 63s 465884s 465822s primary ext2 boot 2 465885s 134207009s 133741125s primary lvm [root@lnxutil1 ~]# parted -s /dev/sdb unit s print Model: DELL PERC H700 (scsi) Disk /dev/sdb: 5720768639s Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 34s 5720768606s 5720768573s lvm Edit 1 Using the cfq IO scheduler (default for CentOS 5.6): # cat /sys/block/sd{a,b}/queue/scheduler noop anticipatory deadline [cfq] noop anticipatory deadline [cfq] Chunk size is the same as strip size, right? If so, then 64kB: # /opt/MegaCli -LDInfo -Lall -aALL -NoLog Adapter #0 Number of Virtual Disks: 2 Virtual Disk: 0 (target id: 0) Name:os RAID Level: Primary-6, Secondary-0, RAID Level Qualifier-3 Size:65535MB State: Optimal Stripe Size: 64kB Number Of Drives:7 Span Depth:1 Default Cache Policy: WriteBack, ReadAdaptive, Direct, No Write Cache if Bad BBU Current Cache Policy: WriteThrough, ReadAdaptive, Direct, No Write Cache if Bad BBU Access Policy: Read/Write Disk Cache Policy: Disk's Default Number of Spans: 1 Span: 0 - Number of PDs: 7 ... physical disk info removed for brevity ... Virtual Disk: 1 (target id: 1) Name:share RAID Level: Primary-6, Secondary-0, RAID Level Qualifier-3 Size:2793344MB State: Optimal Stripe Size: 64kB Number Of Drives:7 Span Depth:1 Default Cache Policy: WriteBack, ReadAdaptive, Direct, No Write Cache if Bad BBU Current Cache Policy: WriteThrough, ReadAdaptive, Direct, No Write Cache if Bad BBU Access Policy: Read/Write Disk Cache Policy: Disk's Default Number of Spans: 1 Span: 0 - Number of PDs: 7 If it's not obvious, virtual disk 0 corresponds to /dev/sda, for the OS; virtual disk 1 is /dev/sdb (the exported home directory tree).

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• Quickly switch Win7 volume normalization on/off?

  - by romkyns

  Is there some way to quickly toggle the state of volume normalization in Windows 7? When it's off watching movies late is tricky, and when it's on it messes with music in a bad way. It's a great feature, but argh, it requires me to make my way through so many dialogs... Any solution that requires no more than a couple of clicks or keystrokes is welcome - shortcuts, AutoHotkey, tray icon apps.

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• Lync server 2010 Active Directory Preparation with a Windows Server 2003 DC

  - by juFo

  I'm trying to install Lync server 2010 but i'm stuck for a while now with the "Active Directory Preparation" part of the Lync server 2010 installation. The "Prepare Schema" fails with the following error: "Step 1: Prepare Schema Run once per deployment. Extends the schema for Lync Server. Not Available: Failure occurred while attempting to check the schema state. Please ensure Active Directory is reachable." screenshot: https://skydrive.live.com/#cid=CB15F1A932B364BE&id=CB15F1A932B364BE%211742 The situation: 1 server with Windows Server 2003 (x86), which is the only Domain Controller (DC) 1 server with Windows Server 2008 R2 (x64) where Lync should be installed. First I have found that the DFL/FFL were not correct: On the DC (server2003) I have changed the Domain Functional Level to Windows Server 2003 and also the Forest Functional Level to Windows Server 2003. If I check these settings on the Server2008 with Active Directory Domains and Trusts, I see indeed that the DFL and FFL are being set to Windows Server 2003. (Windows Server 2003 is the minimum required for Lync server 2010) I tried the Lync AD Preparation again but still got the same message: https://skydrive.live.com/#cid=CB15F1A932B364BE&id=CB15F1A932B364BE%211742 I'm logged in on the Server2008 and Server2003 with the domain administrator account. If I check "Active Directory Users and Computers" and go to the directory Users and watch the properties from the Administrator User then it is also a Member of: Domain Admins Domain Users Enterprise Admins Schema Admins Group Policy Creator Owners The firewall on the server2008 is turned off, still nog working So now my question is: what should I do to make the Lync setup (Active Directory Preparation) work? (I would appreciate clear step-by-step suggestions to check.) Thanks in advance. Update 1: Now I've extended AD successfully on the 2003 DC, using this link: http://blogs.pointbridge.com/Blogs/sloan_jason/Pages/Post.aspx?_ID=2 but when I check the Active Directory Preparation again on the Lync install, it still gives me the same error as in the screenshot I've provided. Update 2: I found out that there is a log on "C:\Users\\AppData\Local\Temp\ with this: Get-CSDomainState Get Domain State Error: An error occurred: "Microsoft.Rtc.Management.ADConnect.NoSuitableServerFoundException" "No suitable domain controller was found in domain "OurDomain.LOCAL". Errors:\r\n"OurDCserver.OurDomain.LOCAL5.2 (3790)5.2 (3790) Service Pack1OurDCserver.OurDomain.LOCAL5.2 (3790)5.2 (3790)Service Pack 1"" I thought Lync could be installed with a Windows Server 2003 (according to the documentation on technet) and it doesn't require a SP. :s

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• Samba4 [homes] share

  - by SambaDrivesMeCrazy

  I am having issues with the [homes] share. OS is Ubuntu 12.04. I've installed samba 4.0.3, bind9 dlz, ntp, winbind, everything but pam modules, and did all the tests from https://wiki.samba.org/index.php/Samba_AD_DC_HOWTO. Running getent passwd and getent user work just fine. Creating a simple share works just fine too. I can manage the users, GPOs, and DNS from the windows mmc snap-ins. I can join winxp,7,8 to the domain and log on perfectly. I can change my passwords from windows, etc..etc.. I could say that everything is fine and be happy :) buuuut, no, home directories do not work. Searching in here, and on our good friend google I gathered that a simple [homes] read only = no path = /storage-server/users/ and mapping the user's home folder in dsa.msc to \\server-001\username or \\server-001\homes should get me a home share I could map for my user homedir. But the snap-in give me an error saying that it cannot create the home folder because the network name has not been found (rough translation from portuguese). also, running root@server-001:/storage-server/users# smbclient //server-001/test -Utest%'12345678' -c 'ls' Domain=[MYDOMAIN] OS=[Unix] Server=[Samba 4.0.3] tree connect failed: NT_STATUS_BAD_NETWORK_NAME Server name is alright, if I go for a simple share on the same server it opens just fine. If I map the user homedir to this simple share it works. What I want is that I dont have to go and manually make a new folder on linux everytime I create a new user on windows. It looks like permissions but I cant find any documentation on this (yes I've tried the manpages, but its hard to tell with so many options on man smb.conf alone). My smb.conf right now looks like this (pretty simple I know) # Global parameters [global] workgroup = MYDOMAIN realm = MYDOMAIN.LAN netbios name = SERVER-001 server role = active directory domain controller server services = s3fs, rpc, nbt, wrepl, ldap, cldap, kdc, drepl, winbind, ntp_signd, kcc, dnsupdate [netlogon] path = /usr/local/samba/var/locks/sysvol/mydomain.lan/scripts read only = No [sysvol] path = /usr/local/samba/var/locks/sysvol read only = No [homes] read only = no path = /storage-server/users Folder permissions /storage-server drwxr-xr-x 6 root root 4096 Fev 15 15:17 storage-server /storage-server/users drwxrwxrwx 6 root root 4096 Fev 18 17:05 users/ Yes, I was desperate enough to set 777 on the users folder... not proud of it. Any pointers in the right direction would be very welcome. Edited to include: root@server-001:/# wbinfo --user-info=test MYDOMAIN\test:*:3000045:100:test:/home/MYDOMAIN/test:/bin/false root@server-001:/# wbinfo -n test S-1-5-21-1957592451-3401938807-633234758-1128 SID_USER (1) root@server-001:/# id test uid=3000045(MYDOMAIN\test) gid=100(users) grupos=100(users) root@server-001:/# wbinfo -U 3000045 S-1-5-21-1957592451-3401938807-633234758-1128 root@server-001:/# Edit 2: getent passwd | grep test MYDOMAIN\test:*:3000045:100:test:/home/MYDOMAIN/test:/bin/false I have no idea how to change that home folder to /storage-server/users/test so I just went and ln -s /storage-server/users /home/MYDOMAIN just in case. still, no changes, same errors. Edit 3 On log.smbd I get the following error when trying to set the test user home folder to \server-001\test [2013/02/20 14:22:08.446658, 2] ../source3/smbd/service.c:418(create_connection_session_info) user 'MYDOMAIN\Administrator' (from session setup) not permitted to access this share (test)

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• register_globals error in php

  - by user145862

  I was stuck up with the error directive 'register_globals' is no longer available in PHP in unknown on line 0 when tried to check the php version using "php -v" after enabling register_globals in php.ini file. I am not getting any php version info by doing so. Instead it throws the above mentioned error.After turning off this option, php info works quite well. It is very essential for me to have register_globals to be turned on.How can I have this corrected. my php.ini is as follows: ; Default Value: None ; Development Value: "GP" ; Production Value: "GP" ; http://php.net/request-order request_order = "GP" ; Whether or not to register the EGPCS variables as global variables. You may ; want to turn this off if you don't want to clutter your scripts' global scope ; with user data. ; You should do your best to write your scripts so that they do not require ; register_globals to be on; Using form variables as globals can easily lead ; to possible security problems, if the code is not very well thought of. ; register_globals = On ; Determines whether the deprecated long $HTTP_*_VARS type predefined variables ; are registered by PHP or not. As they are deprecated, we obviously don't ; recommend you use them. They are on by default for compatibility reasons but ; they are not recommended on production servers. ; Default Value: On ; Development Value: Off ; Production Value: Off ; register_long_arrays = Off ; This directive determines whether PHP registers $argv & $argc each time it ; runs. $argv contains an array of all the arguments passed to PHP when a script ; is invoked. $argc contains an integer representing the number of arguments ; that were passed when the script was invoked. These arrays are extremely ; useful when running scripts from the command line. When this directive is ; enabled, registering these variables consumes CPU cycles and memory each time ; a script is executed. For performance reasons, this feature should be disabled ; on production servers. ; Note: This directive is hardcoded to On for the CLI SAPI ; Default Value: On ; Development Value: Off ; Production Value: Off ; register_argc_argv = Off ; When enabled, the SERVER and ENV variables are created when they're first ; used (Just In Time) instead of when the script starts. If these variables ; are not used within a script, having this directive on will result in a ; performance gain. The PHP directives register_globals, register_long_arrays, ; and register_argc_argv must be disabled for this directive to have any affect. ; auto_globals_jit = On

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• I have a Windows Server 2008 R2 box with IIS 7.5

  - by bao

  In Event viewer i have found this: The World Wide Web Publishing Service service entered the stopped state. - - 7036 0 4 0 0 0x8080000000000000 6913 System w2k8x64 - World Wide Web Publishing Service stopped 570033005300560043002F0031000000 How to determine, was server stopped by clicking "Stop" in IIS manager or it stopped itself because of some other reasons? When the stop event occured I was logged in via RDP but I don't remember and clicks in IIS Manager...:( there are no error messages in event viewer

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• Which ISO burning software do you recommend?

  - by Mark Pim

  I'm looking for people's opinion on the best, free and most reliable ISO burning software out there. Any OS, but state which one(s) in your answer.

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• PCI-express - is there a typo in the Intel 5500 overview

  - by Martin

  The overview for the 5500 and 5520 chipsets state that there is a total bandwidth of up to 48GB/s on each PCI Express x8 interface. http://www.intel.com/products/server/chipsets/5500-5520/5500-5520-overview.htm My understanding (admittedly from wikipedia) is that PCI-e Gen 2 runs at 500MB/s per lane. The 5520 has 36 lanes, and so would be limited to a total of 18GB/s. Am I missing something here, or is Intel's claimed 48GB/s a typo that should say 18GB/s ?

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• Setup/Guidance/Troubleshooting DPM 2010 Bare Metal Backups

  - by Dan Kingdon

  Hi all, Having difficulties setting up Bare Metal recovery in DPM 2010. Does anyone know of a good guide/walkthrough to talk me through a basic setup? I have tried most of the DPM knowledge base without much luck. I can perform System State backups, but as soon as I enable bare metal the jobs start failing. Error codes are not coming up anything on google at all. Thanks in advance

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• Is the master database backup crucial for restoring MS SQL server in the event where you have to res

  - by Imagineer

  I have been advise by Commvault partner support to turn off the backup of the master database as the backup failed due to the log file being lock. The following is the advise given: "The message is caused by Commvault’s inability to backup the master database’s transaction log. If this is happening intermittently its possible that something is locking the transaction log, preventing SQL iData agent from accessing the log. Typically the master database is just a template and is not used by any applications (applications that do require the use of an SQL database create their own) so there should be no harm in preventing it from being backed up You can do this by nominating NOT to back it up in the primary copy for the SQL data agent" The following is the error that I get. sqlxx SQL Server/ SQLxx N/A/ System DBs 19856* (CWE) Transaction Log N/A 01/08/2010 19:00:16 (01/08/2010 19:00:18 ) 01/08/2010 19:03:15 (01/08/2010 19:03:14 ) 1.44 MB 0:01:11 0.071 2 0 1 ITD014L2 Failure Reason: • ERROR CODE [30:325]: Error encountered during backup. Error: [ERROR: [Microsoft][ODBC SQL Server Driver][SQL Server]Cannot back up the log of the master database. Use BACKUP DATABASE instead. [Microsoft][ODBC SQL Server Driver][SQL Server]BACKUP LOG is terminating abnormally.] Job Options:Create new index, Start new media, Backup all subclients, Truncation Log, Follow mount points , Backup files protected by system file protection , Stop DHCP service when backing up system state data, Stop WINS service when backing up system state data Associated Events: • 79714 [backupxx/JobManager] [01/08/2010 19:03:15 ]: Backup job [19856] completed. Client [sqlxx], Agent Type [SQL Server], Subclient [System DBs], Backup Level [Transaction Log], Objects [2], Failed [1], Duration [00:02:59], Total Size [1.44 MB], Media or Mount Path Used [ITD014L2]. • 79712 [sqlxx/SQLiDA] [01/08/2010 19:01:53 ]: Error encountered during backup. Error: [ERROR: [Microsoft][ODBC SQL Server Driver][SQL Server]Cannot back up the log of the master database. Use BACKUP DATABASE instead. [Microsoft][ODBC SQL Server Driver][SQL Server]BACKUP LOG is terminating abnormally.] • 79711 [sqlxx/SQLiDA] [01/08/2010 19:01:51 ]: Query Result [[Microsoft][ODBC SQL Server Driver][SQL Server]Cannot back up the log of the master database. Use BACKUP DATABASE instead. [Microsoft][ODBC SQL Server Driver][SQL Server]BACKUP LOG is terminating abnormally.]. • 79707 [backupxx/JobManager] [01/08/2010 19:00:15 ]: New backup request received for Client [sqlxx], iDataAgent [SQL Server], Instance [SQLxx], Subclient [System DBs], Backup Level [Transaction Log]. Files failed to back up: • Backup Database[master] Failed Please advise, thank you.

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• How to recover the ubuntu system?

  - by Hoang

  I istalled the ubuntu virtual machine on vmware. However, one time the disk was full, the system was installing some updates, it quit without giving any message. Now the system is crashed, I can not even launch firefox to download data. How can I recover this virtual machine to a previous state?

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• VMWare tools not installing with an error

  - by JDS

  VMWare tools not installing on Ubuntu 12.04. I'm using Chef to manage the installation, but the Apt commands fail if run manually. I'm using the VMWare tool Debian repo. Example: $ cat /etc/apt/sources.list.d/vmware-tools-source.list deb http://packages.vmware.com/tools/esx/5.0u2/ubuntu precise main When trying to install, most packages seem to go ok, but one, "vmware-tools-foundation", does not. Example: $ apt-get -q -y install vmware-tools-esx-nox=8.6.10-1.precise Reading package lists... Building dependency tree... Reading state information... You might want to run 'apt-get -f install' to correct these: The following packages have unmet dependencies: vmware-tools-esx-kmods-3.2.0-23-generic : Depends: vmware-tools-foundation (>= 8.6.10) but it is not going to be installed vmware-tools-esx-nox : Depends: ...snip list of deps... E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). $ apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: vmware-tools-foundation The following NEW packages will be installed: vmware-tools-foundation 0 upgraded, 1 newly installed, 0 to remove and 118 not upgraded. 7 not fully installed or removed. Need to get 0 B/5,886 B of archives. After this operation, 86.0 kB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 103499 files and directories currently installed.) Unpacking vmware-tools-foundation (from .../vmware-tools-foundation_8.6.10-1.precise_all.deb) ... VMware Tools cannot install because it appears that another installation of VMware Tools is already present. Please remove the previous installation and then attempt to install this copy of VMware Tools again. dpkg: error processing /var/cache/apt/archives/vmware-tools-foundation_8.6.10-1.precise_all.deb (--unpack): subprocess new pre-installation script returned error exit status 1 Errors were encountered while processing: /var/cache/apt/archives/vmware-tools-foundation_8.6.10-1.precise_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) The key seems to be this error: "VMware Tools cannot install because it appears that another installation of VMware Tools is already present. Please remove the previous installation and then attempt to install this copy of VMware Tools again." However, I've tryed removing and purging and can't seem to "trick" VMWare tools into thinking the packages are gone. Apt thinks they are gone. Is there some service/file/cache/lock left that VMWare tools sees that makes it think that VMWare tools are still installed? I've googled and googled but there is no answer to this question with my particular circumstances on the interwebs. VMWare's documentation of this error is minimal.

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• What's the best fire suppression for a server room?

  - by Dennis Williamson

  What is the state of the art in fire suppression for server rooms? What are the top priorities in choosing a good system?

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• Opsview Notifications, how to report event duration

  - by dotwaffle

  At present, Opsview reports recoveries in the following format: RECOVERY: Internal Alarm is OK on host Ellie: SNMP OK - 0 Service: Internal Alarm Host: Ellie Alias: Ellie Address: 1.2.3.4 State: OK Comment: () Date/Time: Mon Oct 5 14:57:53 BST 2009 Additional Info: SNMP OK - 0 What I would ideally like to do is add a "duration" field, so that you can tell without scrolling back on a Blackberry how long the event has been at fault for. Is there an easy solution to this?

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• SUnreclaim size increasing in syc with a TCP-CLOSE_WAIT till application restart

  - by maver1k

  Recently found a behaviour where my application had a connection in TCP Close_wait state till the app was restarted (after about 5 hours). But during this period the SUnreclaim space was also increasing constantly and went down on restart. The application is runnning on a rhel5 os and Im not very familiar with the memory management system. Would appreciate if someone clould tell me what extactly is the Ureclaim space and why it is increasing in sync with the close_wait. Thanks.

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• How does ospf control flooding?

  - by iamrohitbanga

  What method is used by ospf protocol to prevent looping of flooded packets for link state advertisements? The packet header does not contain any timestamp. How do the routers recognize that it is the same advertisement that they sent before?

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• SQL Server 2000 restore error

  - by kv

  i'm trying to do point in time restore and following error occurs... and database goes into xxxxx(loading) state... Backup set cannot be applied because it is on a recovery path inconsistent with database i have to do RESTORE DATABASE xxxxx WITH RECOVERY to make it proper... Why its happening?

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• Moved DNS and Email Hosting, Now Can't Send/Receive To/From Domains Hosted on Previous Host

  - by maxfinis

  Our company had 4 domains whose emails and DNS were hosted by one company, and then we moved the email and DNS hosting for 3 of the 4 domains to a new company. Now, the 3 domains that were moved can't send or receive emails to and from the one domain still left on the old server. All other email functions work fine for all 4 domains. There are no bouncebacks, error messages, or emails stuck in queue, and no evidence of these missing emails hitting the new servers. The new hosting company confirms that everything is fine on their end, and assures me that it's most likely an old zone file still remaining on the old nameserver, and so the emails sent from the old host is routed to what it believes is still the authoritative nameserver. Because the old zone file's MX records still contain the old resource, the requests never leave the old nameserver to go online to do a fresh search for the real (new) authoritative nameserver. The compounding problem is that the old company is rather inept and doesn't seem to have the technical expertise to identify the problem, much less fix it. (I know, I know.) Is the problem truly that this old zone file just needs to be deleted from the old company's nameserver? If so, what's the best way for me to describe this to them? If not, what do you think could be the issue? Any help is much appreciated. I'm not in IT, so all this is new to me. I know it seems weird for me (the client) to have to do this legwork, but I just want to get this resolved. Here's what I've done: Ran dig to verify that the old server's MX records still point to the old authoritative server, instead of going online to do a fresh search: ~$ dig @old.nameserver.com domainthatwasmoved.com mx ; << DiG 9.6.0-APPLE-P2 << @old.nameserver.com domainThatWasMoved.com mx ; (1 server found) ;; global options: +cmd ;; Got answer: ;; -HEADER<<- opcode: QUERY, status: NOERROR, id: 61227 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; QUESTION SECTION: ;domainthatwasmoved.com. IN MX ;; ANSWER SECTION: domainthatwasmoved.com. 3600 IN MX 10 mail.oldmailserver.com. ;; ADDITIONAL SECTION: mail.oldmailserver.com. 3600 IN A 65.198.191.5 ;; Query time: 29 msec ;; SERVER: 65.198.191.5#53(65.198.191.5) ;; WHEN: Sun Dec 26 16:59:22 2010 ;; MSG SIZE rcvd: 88 Ran dig to try to see where the new hosting company's servers look when emails are sent from the 3 domains that were moved, and got refused: ~$ dig @new.nameserver.net domainStillAtOldHost.com mx ; << DiG 9.6.0-APPLE-P2 << @new.nameserver.net domainStillAtOldHost.com mx ; (1 server found) ;; global options: +cmd ;; Got answer: ;; -HEADER<<- opcode: QUERY, status: REFUSED, id: 31599 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; WARNING: recursion requested but not available ;; QUESTION SECTION: ;domainStillAtOldHost.com. IN MX ;; Query time: 31 msec ;; SERVER: 216.201.128.10#53(216.201.128.10) ;; WHEN: Sun Dec 26 17:00:14 2010 ;; MSG SIZE rcvd: 34

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• Why is my mail stuck in the queue with the status "retry" in Exchange 2003?

  - by Mike C

  I have been having a problem recently where some of our mail is not getting to clients. I looked into the Message queue on my SBS2k3 server and noticed that several recipients are showing up in the queue with a state of "Retry". When I highlight the recipient, the additional queue information says "An SMTP protocol error occured". How can I find out more specifically what error occured, and how could I then go about correcting it? Thanks, Mike

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• Linux not picking up new partition correctly on emc pseudo device

  - by James

  Hi We have a database server running oracle rac. We were recently running out of space on the main LUN that it is attached to. I created a new 100GB LUN and concatenated this onto the existing LUN creating a new MetaLUN. After some messing I managed to get linux to recognise the new space. I then created a new partition in on the pseudo device, to use the new space. Previously when I have done this on other system the next step is to create an ASM disk on the new partition and add this disk to the oracle disk group. This however fails. I am aware of various issues with ASM and powerpath, but I don't think this is the issue here. As on while investigating the issue I discovered that one of the underlying logical device is not reflecting the size change. See below; Powermt displays all of the underlying logical units [root@XXXXX~]# powermt display dev=emcpowerd Pseudo name=emcpowerd CLARiiON ID=CKM00091500009 [VFRAC2] Logical device ID=6006016030312200787502866C65DE11 [LUN 30] state=alive; policy=CLAROpt; priority=0; queued-IOs=0 Owner: default=SP A, current=SP A Array failover mode: 1 ============================================================================== ---------------- Host --------------- - Stor - -- I/O Path - -- Stats --- ### HW Path I/O Paths Interf. Mode State Q-IOs Errors ============================================================================== 3 qla2xxx sde SP A0 active alive 0 0 3 qla2xxx sdj SP B0 active alive 0 0 4 qla2xxx sdo SP A1 active alive 0 0 4 qla2xxx sdt SP B1 active alive 0 0 Fdisk on the pseudo device shows correct space. [root@XXXXX ~]# fdisk -l /dev/emcpowerd Disk /dev/emcpowerd: 429.4 GB, 429496729600 bytes 255 heads, 63 sectors/track, 52216 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/emcpowerd1 1 39162 314568733+ 83 Linux /dev/emcpowerd2 39163 52216 104856255 83 Linux fdisk on one of the logical units is wrong [root@XXXXX~]# fdisk -l /dev/sde Disk /dev/sde: 322.1 GB, 322122547200 bytes 255 heads, 63 sectors/track, 39162 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sde1 1 39162 314568733+ 83 Linux /dev/sde2 39163 52216 104856255 83 Linux fdisk on the rest of the units is fine [root@XXXXX ~]# fdisk -l /dev/sdj Disk /dev/sdj: 429.4 GB, 429496729600 bytes 255 heads, 63 sectors/track, 52216 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdj1 1 39162 314568733+ 83 Linux /dev/sdj2 39163 52216 104856255 83 Linux Also when I created the the partition linux did not create the any entries in the /dev directory for the second partition so I created these manually [root@XXXXX dev]# mknod sde2 b 8 66 [root@XXXXX dev]# ls -al sd[ejot]? brw-r----- 1 root disk 8, 65 Dec 29 14:20 sde1 brw-r--r-- 1 root disk 8, 66 Apr 8 20:31 sde2 brw-r----- 1 root disk 8, 145 Dec 29 14:19 sdj1 brw-r--r-- 1 root disk 8, 146 Apr 8 20:33 sdj2 brw-r----- 1 root disk 8, 225 Apr 6 23:12 sdo1 brw-r--r-- 1 root disk 8, 226 Apr 8 20:33 sdo2 brw-r----- 1 root disk 65, 49 Dec 29 14:19 sdt1 brw-r--r-- 1 root disk 65, 50 Apr 8 20:33 sdt2 This is a production server that we cannot easily reboot. Any ideas would be much appreciated. J

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• How to get permission to create full-text index?

  - by Bill Paetzke

  I tried to create a full-text index and got this error: Msg 9967, Level 16, State 1, Line 1 A default full-text catalog does not exist in database 'foo' or user does not have permission to perform this action. FYI--I connected to the target sql server with Windows Authentication. What do I need to do in Sql Server 2005 and/or in Windows Server 2003 to get permissions? Please be thorough (assume I am a n00b). Thank you.

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• Can I run 8 to 12 Monitors from one Laptop?

  - by Dan

  I would like to run at least 8 monitors & possibly 12, from a Dell Precision M6800 mobile Laptop Workstation. Monitors I want to run are Dell U2412M ( 1920x1200 ) Ultra Sharp Monitors. The specs for the Laptop are : Intel Core i7-4700MQ Processor (17.3") UltraSharp FHD(1920x1080) 8GB (2x4GB) 1600MHz DDR3L AMD FirePro M6100 w/2GB GDDR5 2.5 inch 500GB Solid State Hybrid Drive Is it possible to do it & if yes, what other hardware, software do I need besides monitors ? Thanks

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• High-end CD/DVD burners?

  - by Robert Harvey

  Do such things exist? I wouldn't mind paying $100 to $200 for one, but it must: Have a very fast spin-up to ready time (less than one second) Have an even faster dismount time (say, half second) Can go from dead stop to laying down bits in two seconds or less Can be instantly abortable and resettable regardless of current operational state Does anyone know of such an animal?

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• Error while bringing up eth1

  - by mhay

  I'm getting this error while bringing up my network card: (process:2550): WARNING **: _nm_object_get_property: Error getting 'State' for /org/freedesktop/NetworkManager/ActiveConnection/3: (19) Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist I'm using the following commands: 1. ifup eth1 2. /etc/init.d/network restart I have installed a fresh copy of Centos 6.2 and configured the network card.

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• Does it make sense to install an SSD into a 3rd generation MacBook?

  - by Ivan Krechetov

  I've heard that, to really benefit from a solid-state drive, one needs a motherboard fast enough. Do you think it's worth to install an SSD into this laptop? Model Name: MacBook Model Identifier: MacBook3,1 Processor Name: Intel Core 2 Duo Processor Speed: 2.2 GHz Number Of Processors: 1 Total Number Of Cores: 2 L2 Cache: 4 MB Memory: 4 GB Bus Speed: 800 MHz Boot ROM Version: MB31.008E.B02

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