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• map subdomain to another subdomain via cname

  - by Stephen

  Question: I need to get DNS configured to point a subdomain from one domain (which I will generally not be controlling) to another subdomain on a different domain name. Testing this process using a simple CNAME entry keeps pointing to the primary domain and not the subdomain where it should be going. This is the scenario; (newdomain.com is in my control) cdn.xyz.com should display content from this subdomain subdomain.newdomain.com It is instead displaying content from newdomain.com (not the subdomain sub domain) cdn.xyz.com/page.htm displays content from newdomain.com/page.htm although what I need is it to display content from subdomain.newdomain.com/page.htm Other Background: setup is between two different servers with different IP ranges although DNS cluster is on between all servers the newdomain.com is set up with its own unique IP (which is on the A records for the subdomains, the subdomains work as expected/normal) the DNS entry is correct (cdn CNAME subdomain.newdomain.com.) ie the end period is included a DNS lookup on the CNAME externally reports back as subdomain.newdomain.com. as the record Does anyone know what DNS entries I am missing to get this working correctly ? Note: I do not want to just put a redirect between domains as I need the content of subdomain.newdomain.com/content.html to be visible via the URL of cdn.xyz.com/content.html also I can just use some redirects on newdomain.com to achieve what I am after but would prefer to just get the DNS correct. EDIT Current DNS cdn CNAME subdomain.newdomain.com. || CNAME entry for domain1 subdomain A XXX.XXX.XXX.XXX || A record entry for working subdomain pointing to unique IP What should happen is that cdn.domain1.com - subdomain.newdomain.com What is happening is cdn.domain1.com - newdomain.com (ie. the root not the subdomain) EDIT 2 Actually if its easier I am trying to emulate a simple cloud setup like Rackspace Containers (which I assume is similar to Buckets on AWS). although it is not for cloud storage Where a container has a url reference of hd62321678d323.rackspace.com (in truth they are much longer) so I can use a CNAME record of: cdn CNAME hd62321678d323.rackspace.com. so that http://cdn.mydomain.com/myfile.jpg displays content from http://hd62321678d323.rackspace.com/myfile.jpg

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• Windows Server 2003 Trial Activation Issue

  - by Adam Batkin

  I have a Windows Server 2003 (R2 Enterprise with SP2) VM, originally installed with a trial license. We forgot about the server, and now more than 120 days has passed, and I can't do anything with the server. I seem to be at a dead end with the existing installation. When I log in, I get: The evaluation period for this copy of Windows has ended. Windows cannot start. To continue using Windows, please purchase and install a retail copy of the product. Fine. I'll do that with my MSDN media. I should add that safe mode works, but there isn't anything obvious that I found to help me there Next up, I tried repairing my installation: Boot from Server 2003 R2 Enterprise with SP2 media, tell it I want to install (as opposed to recovery console), then let it repair the existing install. Once that completes and reboots I log in: This copy of Windows must be activated with Microsoft before you can continue. You cannot log on until you activate Windows. Do you want to activate Windows now? To shut down the computer, click Cancel. Great! I click "Yes" and am left with a big blue screen. Not a blue screen of death, just a blue screen (i.e. the default windows desktop background color). No Ctrl+Alt+Del. All I can do is power cycle. I have some complex third-party software on there that I can't reinstall, which is why I haven't already built a fresh Windows VM and copied everything over. I have a backup of the VM from after trial period expired but before I installed anything. Ideas?

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• How to use Salt Stack with minions all behind NAT (not publicly accessible, default salt ports not open)?

  - by MountainX

  Can Salt Stack minions communicate with the salt master from behind NAT/Firewalls, etc., using standard ports that would be open be default in all consumer NAT routers (and without the minions having a public DNS record or static IP)? I'm working my way through my first salt tutorial, and this is where I'm stuck. I am able to configure iptables on the Ubuntu salt-master. But I have no control over the routers/NAT that the minions will sit behind. So far I tried these settings: /etc/salt/master: publish_port: 465 ret_port: 443 /etc/salt/minion: master_port: 465 That did not work. Background: I have a custom developed application presently running on about 40 Kubuntu laptops (& more planned). Every few months I have to update the application. (Often this just amounts to replacing a .jar file, which requires root permissions.) I also have to run Ubuntu updates and a few other minor things. I've been doing it manually, one by one, using Team Viewer to log into each client. I would like to dramatically improve this process. The two options I'm aware of are either: use reverse ssh tunnels and bash scripts. I tested this and it works. But I don't get any of the reporting, etc., I would get with Salt Stack. use Salt Stack (or similar) management tool. But I need a really simple tool. I can't invest any time in a big learning curve. I looked at Puppet and a bunch of related tools. The only one I found that looked simple enough for me (so far) was Salt Stack. But I'm stuck now because my minion can't reach the salt-master, as stated above. I appreciate suggestions.

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• Error 2013: Lost connection to MySQL server during query when executing CHECK TABLE FOR UPGRADE

  - by Dean Richardson

  I just upgraded Ubuntu from 11.10 to 12.04. My rails app now returns the (passenger) error "Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111) (Mysql2::Error)". I get a similar error when I try to access mysql at the command line on my Ubuntu server using mysql -u root -p. I have mysql-server 5.5 installed. I've checked and mysql is not running. When I try to restart it, it fails. Here are some key lines from the tail of /var/log/syslog after an attempted restart: dean@dgwjasonfried:/etc/mysql$ tail -f /var/log/syslog Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: Looking for 'mysqlcheck' as: /usr/bin/mysqlcheck Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/run/mysqld/mysqld.sock' '--host=localhost' '--socket=/var/run/mysqld/mysqld.sock' '--host=localhost' '--socket=/var/run/mysqld/mysqld.sock' Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: Running 'mysqlcheck' with connection arguments: '--port=3306' '--socket=/var/run/mysqld/mysqld.sock' '--host=localhost' '--socket=/var/run/mysqld/mysqld.sock' '--host=localhost' '--socket=/var/run/mysqld/mysqld.sock' Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: /usr/bin/mysqlcheck: Got error: 2013: Lost connection to MySQL server during query when executing 'CHECK TABLE ... FOR UPGRADE' Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: FATAL ERROR: Upgrade failed Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: molex_app_development.assets OK Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5107]: molex_app_development.ecd_types OK Mar 7 08:55:27 dgwjasonfried /etc/mysql/debian-start[5124]: Checking for insecure root accounts. Mar 7 08:55:27 dgwjasonfried kernel: [ 7551.769657] init: mysql main process (5064) terminated with status 1 Mar 7 08:55:27 dgwjasonfried kernel: [ 7551.769697] init: mysql respawning too fast, stopped Here is most of /etc/mysql/my.cnf: Remember to edit /etc/mysql/debian.cnf when changing the socket location. [client] port = 3306 socket = /var/run/mysqld/mysqld.sock Here is entries for some specific programs The following values assume you have at least 32M ram This was formally known as [safe_mysqld]. Both versions are currently parsed. [mysqld_safe] socket = /var/run/mysqld/mysqld.sock nice = 0 [mysqld] Basic Settings user = mysql pid-file = /var/run/mysqld/mysqld.pid socket = /var/run/mysqld/mysqld.sock port = 3306 basedir = /usr datadir = /var/lib/mysql tmpdir = /tmp lc-messages-dir = /usr/share/mysql skip-external-locking Instead of skip-networking the default is now to listen only on localhost which is more compatible and is not less secure. bind-address = 127.0.0.1 And here are permissions for var/run/mysqld/mysqld.sock: srwxrwxrwx 1 mysql mysql 0 Mar 7 09:18 mysqld.sock I'd be grateful for any suggestions the community might have. I reviewed the related questions here and attempted some of the fixes offered but to no avail. Thanks! Dean Richardson Update: Thanks to quanta's suggestion, I looked at the /var/log/mysql/error.log file. I found error messages relating to pointers, fatal signals, and more stuff that I really couldn't make much sense of. I also found mysql man page references, however. One suggested that I try starting mysqld with the --innodb_force_recovery=# option, then attempt to dump (or drop) the offending/corrupted database or table. I worked through the escalating option levels one-by-one (innodb_force_recovery=1, innodb_force_recovery=2, etc.) This allowed me to successfully run mysql -u root -p from the command line and execute several commands. I was able to run queries on my production database, but any attempt to query, dump, or even drop my development database raised an error and led to me losing the connection to mysql. So I've made progress, but until I'm somehow able to drop or repair my development db I'm still unable to get my app to load. Any further advice or suggestions? Thanks! Dean Update: Right after running sudo mysqld --innodb_force_recover=1 from the command line, the error.log contains this: Right after retrying sudo mysqld --innodb_force_recover=1, The error.log file shows this: 130308 4:55:39 [Note] Plugin 'FEDERATED' is disabled. 130308 4:55:39 InnoDB: The InnoDB memory heap is disabled 130308 4:55:39 InnoDB: Mutexes and rw_locks use GCC atomic builtins 130308 4:55:39 InnoDB: Compressed tables use zlib 1.2.3.4 130308 4:55:39 InnoDB: Initializing buffer pool, size = 128.0M 130308 4:55:39 InnoDB: Completed initialization of buffer pool 130308 4:55:39 InnoDB: highest supported file format is Barracuda. InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 130308 4:55:39 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 130308 4:55:40 InnoDB: Waiting for the background threads to start 130308 4:55:41 InnoDB: 1.1.8 started; log sequence number 10259220 130308 4:55:41 InnoDB: !!! innodb_force_recovery is set to 1 !!! 130308 4:55:41 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306 130308 4:55:41 [Note] - '127.0.0.1' resolves to '127.0.0.1'; 130308 4:55:41 [Note] Server socket created on IP: '127.0.0.1'. 130308 4:55:41 [Note] Event Scheduler: Loaded 0 events 130308 4:55:41 [Note] mysqld: ready for connections. Version: '5.5.29-0ubuntu0.12.04.2' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) Then after mysql -u root -p and mysql> drop database molex_app_development; ERROR 2013 (HY000): Lost connection to MySQL server during query mysql> the error.log contains: dean@dgwjasonfried:/var/log/mysql$ tail -f error.log /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f6a3ff9ecbd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (7f6a1c004bd8): is an invalid pointer Connection ID (thread ID): 1 Status: NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. 130308 4:55:39 [Note] Plugin 'FEDERATED' is disabled. 130308 4:55:39 InnoDB: The InnoDB memory heap is disabled 130308 4:55:39 InnoDB: Mutexes and rw_locks use GCC atomic builtins 130308 4:55:39 InnoDB: Compressed tables use zlib 1.2.3.4 130308 4:55:39 InnoDB: Initializing buffer pool, size = 128.0M 130308 4:55:39 InnoDB: Completed initialization of buffer pool 130308 4:55:39 InnoDB: highest supported file format is Barracuda. InnoDB: The log sequence number in ibdata files does not match InnoDB: the log sequence number in the ib_logfiles! 130308 4:55:39 InnoDB: Database was not shut down normally! InnoDB: Starting crash recovery. InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... 130308 4:55:40 InnoDB: Waiting for the background threads to start 130308 4:55:41 InnoDB: 1.1.8 started; log sequence number 10259220 130308 4:55:41 InnoDB: !!! innodb_force_recovery is set to 1 !!! 130308 4:55:41 [Note] Server hostname (bind-address): '127.0.0.1'; port: 3306 130308 4:55:41 [Note] - '127.0.0.1' resolves to '127.0.0.1'; 130308 4:55:41 [Note] Server socket created on IP: '127.0.0.1'. 130308 4:55:41 [Note] Event Scheduler: Loaded 0 events 130308 4:55:41 [Note] mysqld: ready for connections. Version: '5.5.29-0ubuntu0.12.04.2' socket: '/var/run/mysqld/mysqld.sock' port: 3306 (Ubuntu) 130308 4:58:23 [ERROR] Incorrect definition of table mysql.proc: expected column 'comment' at position 15 to have type text, found type char(64). 130308 4:58:23 InnoDB: Assertion failure in thread 140168992810752 in file fsp0fsp.c line 3639 InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/5.5/en/forcing-innodb-recovery.html InnoDB: about forcing recovery. 10:58:23 UTC - mysqld got signal 6 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. key_buffer_size=16777216 read_buffer_size=131072 max_used_connections=1 max_threads=151 thread_count=1 connection_count=1 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 346681 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. Thread pointer: 0x7f7ba4f6c2f0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 7f7ba3065e60 thread_stack 0x30000 mysqld(my_print_stacktrace+0x29)[0x7f7ba3609039] mysqld(handle_fatal_signal+0x483)[0x7f7ba34cf9c3] /lib/x86_64-linux-gnu/libpthread.so.0(+0xfcb0)[0x7f7ba2220cb0] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35)[0x7f7ba188c425] /lib/x86_64-linux-gnu/libc.so.6(abort+0x17b)[0x7f7ba188fb8b] mysqld(+0x65e0fc)[0x7f7ba37160fc] mysqld(+0x602be6)[0x7f7ba36babe6] mysqld(+0x635006)[0x7f7ba36ed006] mysqld(+0x5d7072)[0x7f7ba368f072] mysqld(+0x5d7b9c)[0x7f7ba368fb9c] mysqld(+0x6a3348)[0x7f7ba375b348] mysqld(+0x6a3887)[0x7f7ba375b887] mysqld(+0x5c6a86)[0x7f7ba367ea86] mysqld(+0x5ae3a7)[0x7f7ba36663a7] mysqld(_Z15ha_delete_tableP3THDP10handlertonPKcS4_S4_b+0x16d)[0x7f7ba34d3ffd] mysqld(_Z23mysql_rm_table_no_locksP3THDP10TABLE_LISTbbbb+0x568)[0x7f7ba3417f78] mysqld(_Z11mysql_rm_dbP3THDPcbb+0x8aa)[0x7f7ba339780a] mysqld(_Z21mysql_execute_commandP3THD+0x394c)[0x7f7ba33b886c] mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x10f)[0x7f7ba33bb28f] mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0x1380)[0x7f7ba33bc6e0] mysqld(_Z24do_handle_one_connectionP3THD+0x1bd)[0x7f7ba346119d] mysqld(handle_one_connection+0x50)[0x7f7ba3461200] /lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x7f7ba2218e9a] /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f7ba1949cbd] Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (7f7b7c004b60): is an invalid pointer Connection ID (thread ID): 1 Status: NOT_KILLED The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. --Dean

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• Can't delete C:\Config.Msi\75ce84f.rbf

  - by Hugh Allen

  I can't delete C:\Config.Msi\75ce84f.rbf It's not causing any problems but it's a mystery I'd like to solve, preferably before the next reboot because it's scheduled for deletion then (see pendmoves). it's not readonly, system or hidden it's not in use by another process (according to Process Explorer) the NT security permissions aren't the problem either - I am the owner and have Full Control ; as a double-check, the Effective Permissions tab shows that I have permission to delete. Yet trying to delete the file gives "Access is Denied" from both Explorer and cmd. I can however rename it or move it to another folder on the same drive. I can also read it and Virustotal says it's clean which is what I would expect (it's just a Windows Installer temp file - a copy of some DLL I think). The relevant line from Process Monitor is: 6:52:14.3726983 PM 112 Explorer.EXE SetDispositionInformationFile C:\Config.Msi\75ce84f.rbf CANNOT DELETE Delete: True Write 1232 Background: I'm using XP SP2. I recently repaired my Adobe Reader installation to make it the default browser plugin again instead of Foxit. (there seems to be no UI to do it otherwise?) So the installer did its thing and then asked to reboot. As is my habit when rebooting is inconvenient I declined the offer and ran pendmoves to find out what files the installer had scheduled to move / delete. It wanted to delete two files with .rbf extension (rollback files) located in C:\Config.msi\. (this applies to both even though I've been speaking about one). So I tried to delete them manually and couldn't. Does anyone have any ideas what could be preventing deletion? (and I don't think it's malware even though I'm not running AV at the moment)

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• Problem: Munin Graph

  - by Pablo

  I've been trying to install Munin for 15 days, I looked for information, analized logs, I even deleted and reinstalled Munin using YUM. I'm hosted at Media Temple on a VPS with CentOS. The problem is still there and It's driving me nuts. Graphics are shown as following: http://imageshack.us/photo/my-images/833/capturadepantalla201106u.png/ This is the configuration of my munin.conf file dbdir /var/lib/munin htmldir /var/www/munin logdir /var/log/munin rundir /var/run/munin [localhost] address **.**.***.*** #IP VPS This is the configuration of my munin-node.conf file log_level 4 log_file /var/log/munin/munin-node.log port 4949 pid_file /var/run/munin/munin-node.pid background 1 setseid 1 # Which port to bind to; host * user root group root setsid yes # Regexps for files to ignore ignore_file ~$ ignore_file \.bak$ ignore_file %$ ignore_file \.dpkg-(tmp|new|old|dist)$ ignore_file \.rpm(save|new)$ allow ^127\.0\.0\.1$ Thanks so much, I appreciate all the answers UPDATE munin-graph.log Jun 22 16:30:02 - Starting munin-graph Jun 22 16:30:02 - Processing domain: localhost Jun 22 16:30:02 - Graphed service : open_inodes (0.14 sec * 4) Jun 22 16:30:02 - Graphed service : sendmail_mailtraffic (0.10 sec * 4) Jun 22 16:30:02 - Graphed service : apache_processes (0.12 sec * 4) Jun 22 16:30:02 - Graphed service : entropy (0.10 sec * 4) Jun 22 16:30:02 - Graphed service : sendmail_mailstats (0.14 sec * 4) Jun 22 16:30:02 - Graphed service : processes (0.14 sec * 4) Jun 22 16:30:03 - Graphed service : apache_accesses (0.27 sec * 4) Jun 22 16:30:03 - Graphed service : apache_volume (0.15 sec * 4) Jun 22 16:30:03 - Graphed service : df (0.21 sec * 4) Jun 22 16:30:03 - Graphed service : netstat (0.19 sec * 4) Jun 22 16:30:03 - Graphed service : interrupts (0.14 sec * 4) Jun 22 16:30:03 - Graphed service : swap (0.14 sec * 4) Jun 22 16:30:04 - Graphed service : load (0.11 sec * 4) Jun 22 16:30:04 - Graphed service : sendmail_mailqueue (0.13 sec * 4) Jun 22 16:30:04 - Graphed service : cpu (0.21 sec * 4) Jun 22 16:30:04 - Graphed service : df_inode (0.16 sec * 4) Jun 22 16:30:04 - Graphed service : open_files (0.16 sec * 4) Jun 22 16:30:04 - Graphed service : forks (0.13 sec * 4) Jun 22 16:30:05 - Graphed service : memory (0.26 sec * 4) Jun 22 16:30:05 - Graphed service : nfs_client (0.36 sec * 4) Jun 22 16:30:05 - Graphed service : vmstat (0.10 sec * 4) Jun 22 16:30:05 - Processed node: localhost (3.45 sec) Jun 22 16:30:05 - Processed domain: localhost (3.45 sec) Jun 22 16:30:05 - Munin-graph finished (3.46 sec)

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• AirPort Express Discoverability

  - by andybjackson

  I bought an AirPort Express to enable music in a different part of a friend's house using the AirTunes feature. Unfortunately, iTunes or the AirPort Utility don't reliably discover the existence of the device. If I use the "Configure Other..." function within the AirPort Utility and enter the AirPort Express' IP address and password, then I can reliably get access in a daughter window to configure it. This seems to nudge the underlying AirPort Utility into "finding" and displaying the AirPort Express, which it doesn't do on its own even after clicking the "Rescan" button. iTunes then also seems to cotton on to this discovery and present the AiportExpress as an AirTunes option at the bottom right of iTunes. Things then works as we'd like them to. If I close down the AirPort Utility, then iTunes loses the AirPort Express AirTunes speaker, often giving "An unkown error (-15006) occurred while connecting to the remote speaker". Of course, starting the Airport Utility, forcing it to recognise the Airport Express and then starting iTunes, isn't the ease of use I was after. Background info: iTunes is running on Windows XP. The AirPort Express is running in wireless client mode (i.e. is connecting to an unsecured wireless network in the house with nothing connected to its ethernet port). The network router is a Swisscom Motorola 3347NWG (with firmware 7.8.5r1). I have already tried: Disabling the Windows XP firewall Updating the AirPort Express firmware, the AirPort Utility and the router firmware Ensuring Wireless privacy and similar potetnially problematic router settings are off Solutions, or even just ideas of other things to try would be gratefully received.

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• Unexplained CPU and Disk activity spikes in SQL Server 2005

  - by Philip Goh

  Before I pose my question, please allow me to describe the situation. I have a database server, with a number of tables. Two of the biggest tables contain over 800k rows each. The majority of rows are less than 10k in size, though roughly 1 in 100 rows will be 1 MB but <4 MB. So out of the 1.6 million rows, about 16000 of them will be these large rows. The reason they are this big is because we're storing zip files binary blobs in the database, but I'm digressing. We have a service that runs constantly in the background, trimming 10 rows from each of these 2 tables. In the performance monitor graph above, these are the little bumps (red for CPU, green for disk queue). Once ever minute we get a large spike of CPU activity together with a jump in disk activity, indicated by the red arrow in the screenshot. I've run the SQL Server profiler, and there is nothing that jumps out as a candidate that would explain this spike. My suspicion is that this spike occurs when one of the large rows gets deleted. I've fed the results of the profiler into the tuning wizard, and I get no optimisation recommendations (i.e. I assume this means my database is indexed correctly for my current workload). I'm not overly worried as the server is coping fine in all circumstances, even under peak load. However, I would like to know if there is anything else I can do to find out what is causing this spike? Update: After investigating this some more, the CPU and disk usage spike was down to SQL server's automatic checkpoint. The database uses the simple recovery model, and this truncates the log file at each checkpoint. We can see this demonstrated in the following graph. As described on MSDN, the checkpoints will occur when the transaction log becomes 70% full and we are using the simple recovery model. This has been enlightening and I've definitely learned something!

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• PHP upgrade to 5.3 from 5.2, sessions no longer get stored

  - by Damo

  background link: http://stackoverflow.com/questions/7014945/php-upgrade-5-2-to-5-3-session-issue I have upgraded PHP on my 2008 std server from PHP 5.2 to PHP 5.3. Following the upgrade, sessions no longer work correctly. I have copied over the settings from my PHP.ini files which are applicable and configure new settings in line with the server or PHP's recommendations. PHP executes fine correctly, however session data does not get saved. I have session data stored in c:\temp. For each session created, I can see the session file in this folder. However no information gets written into the session file. Permissions wise, IUSR and EVERYONE has write access to this folder. If I downgrade to PHP 5.2, sessions are saved correctly and the site functions correctly. I have followed advise to ensure my code is optimised. closing session files correctly and forcing a session reset. I'm stumped. session Session Support enabled Registered save handlers files user sqlite Registered serializer handlers php php_binary wddx DirectiveLocal ValueMaster Value session.auto_startOffOff session.bug_compat_42OnOn session.bug_compat_warnOnOn session.cache_expire180180 session.cache_limiternocachenocache session.cookie_domainno valueno value session.cookie_httponlyOffOff session.cookie_lifetime00 session.cookie_path// session.cookie_secureOffOff session.entropy_fileno valueno value session.entropy_length00 session.gc_divisor100100 session.gc_maxlifetime14401440 session.gc_probability11 session.hash_bits_per_character44 session.hash_function00 session.namePHPSESSID53PHPSESSID53 session.referer_checkno valueno value session.save_handlerfilesfiles session.save_path/temp/temp session.serialize_handlerphpphp session.use_cookiesOnOn session.use_only_cookiesOnOn session.use_trans_sid00

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• Proliant RAID 1 Rebuild Questions

  - by Nicholas

  I have a HP Proliant ML350 G5 server that experienced a power supply failure overnight. The power supply was replaced but unfortunately it got restarted with only 1 disk in the RAID 1 set plugged in. (The raid controller is the build in E200i). The raid BIOS then said on start-up that it had entered Interim Recovery Mode. However I would have expected it to still start up with only the 1 drive. The bios however says that it cannot find a C: drive and enters a reboot loop polling the other boot devices. First question is, is this normal behaviour not to start up on 1 disk? The second drive was then plugged in (all drives are ok) and the raid bios started an automatic rebuild on that disk. This appears to be a background process as there is no progress shown. However based on the light flashing it looks like it is working. My second question is how long will this rebuild take? (36GB 15K SAS drive). I cannot see any error messages and it looks like it is rebuilding the drive ok, but the computer still will not start-up. It still says during the boot up process that the C: drive is not found. If I wait for the rebuild to finish, is it likely to fix itself and find the C: drive? Or is there some other problem here?

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• Destination host unreachable - Windows Server 2008

  - by Doug

  Hi There, I'm working with a windows 2008 domain controller, which I'm having issues connecting to internet resources. A small bit of background, this is a 2008 domain controller that has been added into an existing Win 2k domain, with a goal of replacing the older computers. Both of the older controllers can still access internet resources, and so can all the clients. When I ping Google.ca from the new server, it does resolve to an ip address, but then says "Reply from 192.168.123.20: Destination host unreachable." I'm really at a lost now, I've checked and rechecked my ip configuration, the default gateway is my router, the primary DNS server is the my DC, and the secondary DNS is also my router. The DNS server on the domain has a forwarder added for the router as well. Everything on my local network works just fine, all my internal resources can be resolved. For the time being, I've stopped the Firewall service. I'm not 100% used to Server 2008 yet, but it might be a case of just missing something simple. Thanks for your time.

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• Destination host unreachable - Windows Server 2008

  - by Doug

  Hi There, I'm working with a windows 2008 domain controller, which I'm having issues connecting to internet resources. A small bit of background, this is a 2008 domain controller that has been added into an existing Win 2k domain, with a goal of replacing the older computers. Both of the older controllers can still access internet resources, and so can all the clients. When I ping Google.ca from the new server, it does resolve to an ip address, but then says "Reply from 192.168.123.20: Destination host unreachable." I'm really at a lost now, I've checked and rechecked my ip configuration, the default gateway is my router, the primary DNS server is the my DC, and the secondary DNS is also my router. The DNS server on the domain has a forwarder added for the router as well. Everything on my local network works just fine, all my internal resources can be resolved. For the time being, I've stopped the Firewall service. I'm not 100% used to Server 2008 yet, but it might be a case of just missing something simple. Thanks for your time.

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• Why can't “knife data bag from file” find existing json file on chef server?

  - by ellisera

  Summary: I'm running into a problem with "knife data bag from file", where knife doesn't recognize the .json data bag file pulled down from a remote git repo. Background: I'm currently trying to transition from chef-solo use to chef server while using the cookbooks, data bags and other chef info from our remote git repo. I've currently pulled down a copy of our git repo and set the cookbook path and data bag path in knife.rb. I also loaded the cookbooks, made adjustments, etc. Details: When trying to load our .json data bags by doing "knife data bag add from file FOLDER FILE" it looks like it worked until I do "knife data bag list" and it comes up blank. So I decided to try adding the edit option at the end to see what's being loaded, if it is. This is the error I get: knife data bag from file local_settings test.json -e nano ERROR: Could not find or open file 'test.json' in current directory or in 'data_bags/local_settings/test.json' The data bag file does exist, in the proper location, in a tested, working json file. I've also sometimes gotten an error saying "could not open data bag "local_settings". I would obviously like to keep the data bag path within the appropriate git repo folder to be able to keep track of changes in a more centralized location (our git repo, as opposed to the chef server). Any solutions, advice or pointers in the right direction are appreciated.

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• PowerPoint '10 avoid animation completion on click & advance slide or start new one

  - by ScottS

  Scenario I have PowerPoint 2010 On the "Transitions" tab the "Advance Slide On Mouse Click" check box is checked. I have a long, slow, timed, non-repeating animation working in the background of the slide. I click to advance the slide before the animation is finished, but ... Instead of advancing the slide, the animation moves to the completed state ... Forcing a second click to actually advance the slide. Additionally If I have other animations on the slide that are initiated by a click, the long animation also advances to a finished state before starting the new animation. Desired Behavior On click, I want the slide to advance or the next on-click animation to start whether the long animation is done or not, and without having that long animation first "complete" itself. In the case of another animation, I simply want the long animation to continue, while also doing the new animation. Ultimate Question Is there a way to either: Set an option somewhere to not have that animation complete on click and simply "continue" to animate with the start of a new animation or to advance the slide (as the case may be)? Create a VBA script that will produce the desired behavior for the long animation?

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• Exim service cPanel error

  - by Luka

  I cleaned out some logs from my cPanel dedicated server From here http://linuxhostingsupport.net/blog/log-files-on-a-cpanel-server i deleted all log listed at that link. Problem is with EXIM process it can not shut down, but it can run. When I try to send Email from roundcube, horde or via smtp it is down. 25 port is down, I can not receive, or send mails. But 1 minute before cleaning logs I received mails and I could send mails. what is problem, I just deleted logs... When I try service exim restart. I get: Shutting down clamd: [ OK ] Shutting down exim: [FAILED] Shutting down spamd: [ OK ] Starting clamd: [ OK ] Starting exim: [ OK ] 0 processes (antirelayd) sent signal 9 /usr/local/cpanel/scripts/update_sa_rules: running in background Exim log: 2012-10-20 03:06:14 cwd=/ 3 args: /usr/sbin/exim -bd -q1h 2012-10-20 03:06:24 cwd=/ 3 args: /usr/sbin/exim -bd -q1h 2012-10-20 03:06:32 cwd=/ 3 args: /usr/sbin/exim -bd -q1h 2012-10-20 03:06:34 cwd=/ 2 args: /usr/sbin/sendmail -t 2012-10-20 03:08:20 cwd=/ 3 args: /usr/sbin/exim -bd -q1h 2012-10-20 03:11:37 cwd=/ 2 args: /usr/sbin/sendmail -t 2012-10-20 03:13:45 cwd=/ 3 args: /usr/sbin/exim -bd -q1h 2012-10-20 03:14:01 cwd=/ 3 args: /usr/sbin/exim -bd -q1h 2012-10-20 03:14:28 cwd=/home/pegaz/public_html 3 args: /usr/sbin/sendmail -t -i 2012-10-20 03:21:43 cwd=/ 3 args: /usr/sbin/exim -bd -q1h

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• Intel Core i7 QuadCore on HP Pavilion dv7 Overheating Issues

  - by kellax

  I bought a brand new HP notebook: HP Pavilion dv7-6b21em BeatsAudio edition. The notebook is about 2 months old and has pretty nasty overheating problem. I mainly use it for development however i do play some games. The disturbing thing is that the computer is loud on pretty simple tasks. Here are the specs: CPU: Intel Core i7-2670QM QuadCore ( 8 threads ) @ 2.20 GHz RAM: ( 8GB ) 2x 4GB @ 1066 HDD: 1TB 7200 GPU: ATI Radeon HD 6770M 1GB Dedicated DDR OS: Windows 7 64bit Enterprise I have an external monitor runing on VGA port an 22' Samsung SyncMaster S24B300 CPU Heat Statistics Platform: rPGA 988B (Socket G2) Frequency: cca. 3000 Mhz VID: 1.1809 - 1.2059 v Revision: D2 CPUID: 0x206A7 TDP: 45.0 Wats, Lithographu: 32 nm Heat: Tj. Max: 100*C, Power 4.5 - 5.9 Wats Core #0: 63*C Load on all is about 0 to 2% Core #1: 65*C Core #2: 66*C Core #3: 67*C I opened the notebook the fan is working fine there is no dust but still right now the fan is pretty loud even tho all i have open is FireFox. When i run a game the heat jumps to whopping 90-97*C. It has not shut down due to overheating yet but the loud fan is pretty annoying considering I'm not really doing anything stressfull. Is there anything i can do to fix this is it maybe a BIOS issue ? I have all drivers updated tho to the latest. I have very few background processes running consuming bare 2GB of RAM and about 2% of CPU. I had it serviced they said there is nothing wrong with it. But i feel that a Notebook that costs 1.2k Euros cant be like this.

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• Boot ISO image from GRUB4DOS on EFI machines

  - by Vladimir Tikhomirov

  I failed with loading ISO image (non-distro) from GRUB2 from USB stick, but found the way how I can boot the GRUB4DOS and then load the image from there. However, it doesn't work all the time and the questions is WHY it doesn't? Environment and loading process: We need to have EFI machine, USB stick, booting ISO, GRUB2 and GRUB4DOS. Last 3 on USB stick. Boot: USB - EFI loader - GRUB2 - GRUB4DOS - ISO image Configuration files To boot GRUB4DOS I use this from grub.cfg: menuentry "image.iso" { linux /syslinux/grub.exe --config-file="/menu.lst" } My menu.lst is here: timeout 20 default 0 title image.iso find --set-root --ignore-floppies --ignore-cd //image.iso map --heads=0 --sectors-per-track=0 //image.iso (hd32) map --hook chainloader (hd32) This works perfectly with Legacy machines. However, when I come to GRUB4DOS, I don't see the menu with image.iso, I see only GRUB command line. That means that my menu.lst didn't load. Why is it like this? Background and ideas I have an idea that GRUB4DOS doesn't recognize my USB stick as a device. I tried the command find and got (hd0,0), (hd0,1), (hd0,2), (rd). When I tried to set root to any of these devices I don't see fat file system, how it was with Legacy machines. The root device is (hd0,0), which has ntfs file system which should be partition with Windows. EFI machines support only GRUB2, so I can't boot GRUB4DOS straight away. Please, don't suggest anything like this, because my image doesn't have kernel. You can imagine that you load HDAT2 or Hiren's boot cd, for example. menuentry "Blancco Blancco5.iso" { set isofile="/image.iso" loopback loop $isofile set root=(loop) linux /isolinux/vmlinuz isofile=$isofile splash quiet initrd /isolinux/initrd }

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• iTunes' clandestine proxy settings

  - by pilcrow

  Problem: One user's iTunes consults a defunct HTTP proxy, but only for iTunes Store HTTP requests -- other iTunes web requests are unproxied. How do I dismiss this spurious proxy setting? Background: It's not as easy as Internet Options. Years ago my network had a mandatory HTTP proxy at 172.31.1.1:8080. When we switched to the 192.168.1/24 space and eliminated the proxy, this user's iTunes -- the only iTunes user at the time -- could no longer contact the iTunes Store, an operation which fails with "unknown error -9808". This has been the case through several iTunes.exe upgrades over the years and prevents, among other things, activation of a new or newly upgraded iPhone. wireshark and TCPView confirm that this user's iTunes.exe is attempting to contact the long-defunct http proxy when attempting to reach the iTunes Store, but is otherwise unproxied. Curious details: No other iTunes.exe HTTP traffic for this user is affected -- iTunes can successfully make HTTP chatter at Apple's servers. No other web traffic at all is proxied, whether this user or others, iTunes or browser, etc. I cannot find the spurious proxy setting anywhere in the registry nor on disk, though perhaps I haven't thought of every place to look and every format to look for. Other users who have experienced the same error code all seem to have unrelated web configuration problems (certificate validation, for example). UPDATE in response to Phoshi's excellent suggestion, reinstallation hasn't done the trick.

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• How should I fix problems with file permissions while restoring from Time Machine?

  - by Andrew Grimm

  While restoring files from a Time Machine backup, I got the error message "The operation can’t be completed because you don’t have permission to access some of the items." because of problems with files in one folder. What's the safest way to deal with this? The folder in question has permissions like: Andrew-Grimms-MacBook-Pro:kmer agrimm$ pwd /Volumes/Time Machine Backups/Backups.backupdb/Andrew Grimm’s MacBook Pro/2010-12-09-224309/Macintosh HD/Users/agrimm/ruby/kmer Andrew-Grimms-MacBook-Pro:kmer agrimm$ ls -ltra total 6156896 drwxrwxrwx@ 19 agrimm staff 680 18 Jan 2008 Saccharomyces_cerevisiae -r--------@ 1 agrimm staff 60221852 4 Aug 2009 hs_ref_GRCh37_chrY.fa -r--------@ 1 agrimm staff 157488804 4 Aug 2009 hs_ref_GRCh37_chrX.fa (snip a few files) -r--------@ 1 agrimm staff 676063 27 Oct 2009 NC_001143.fna -rw-r--r--@ 1 agrimm staff 6148 23 Mar 2010 .DS_Store drwxr-xr-x@ 3 agrimm staff 1530 23 Mar 2010 . drwxr-xr-x@ 30 agrimm staff 1054 20 Nov 14:43 .. Is it ok to do sudo chmod, or is there a safer approach? Background: Files within the original folder on my computer also had weird permissions - I suspect I may have used sudo to copy some files from a thumbdrive onto my computer.

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• Developer's PC - worth getting more than 8GB RAM?

  - by Borek

  I'm building a developer PC and am wondering whether to get 8GB or 12GB. It's a Core-i7 860 system, i.e., 1156 motherboards with 4 slots for RAM sticks, dual channel, usually up 16GB (as opposed to 1366 sockets where 6 banks / triple-channel are used). 8GB would be cheaper to get especially because price per GB is lower with 4x2GB compared to 2x4GB. Also the availability is worse for 4GB DIMMs here where I live; those are the main practical advantages of 8GB. (Edit: I should have stressed the price difference more - in the eshop I'm buying from, the difference between 12GB and 8GB is so big that I could almost buy a whole new netbook for it.) However, I understand that more RAM can never do harm which is the point of this question - how much of a difference will 12GB make as opposed to 8GB? Honestly, I've always been on 3.2GB systems (4GB but 32bit system) and never felt much pain from having too little memory - of course there could be more but for instance compiler's performance was usually held back by slow I/O or not utilizing multiple cores on my CPU. Still, I'm not questioning that 8GB will be useful, however, I'm not sure about the additional 4GB difference between 8 and 12 gig. Anyone has experience with 8GB / 12GB systems? The software I usually run all the time: Visual Studio or Eclipse (both should be fine with ~2GB RAM, after that I feel their performance is I/O bound) Firefox (it can never have enough RAM can it? :) Office (~500MB RAM should be enough) ... and then some smaller apps like Skype, other browsers, some background services etc.

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• MSI Installer error 2203; how to force permissions on installer directory?

  - by goober

  [Cross-Posted on StackOverflow.com as well because the question relates to development. Feel free to let me know where it best belongs.] Hi all, I'll try to bullet-point to keep it short: Background / Issue Trying to install ASP.NET MVC 3 RC on my Windows 7 machine. Uninstalled other versions of MVC (2 and 3 Beta 1). Ran the installer -- got a generic error, 2203. Log files said that it was a permissions error on C:\Windows\Installer. Checked C:\Windows\Installer -- sure enough, it's marked as read-only. I un-checked "Read-Only" in the folder properties and applied. It appears to open the dialog and apply to all files. However, when clicking properties again, the read-only box is backed to checked. Checked the security tab of the folder -- both system and the Administrators group have full access. I checked ownership -- the Administrators group is listed as an owner. Verified that I'm in the system as an Administrator (in fact, the only account in the Administrators group besides Administrator). So, what gives? Thanks in advance for any help you can provide!

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• Vboxheadless without a command prompt (VirtualBox)

  - by joe

  I'm trying to run VirtualBox VM's in the background from a service. I'm having trouble starting a process the way I desire. I'd like to start the virtualbox guest in headless mode as a separate process and show nothing as far as GUI. Here's what I've tried: From command line: start vboxheadless -s "Ubuntu Server" In C#: ProcessStartInfo info = new ProcessStartInfo { UseShellExecute = false, RedirectStandardOutput = true, ErrorDialog = false, WindowStyle = ProcessWindowStyle.Hidden, CreateNoWindow = true, FileName = "C:/program files/sun/virtualbox/vboxheadless", Arguments = "-s \"Ubuntu Server\"" }; Process p = new Process(); p.StartInfo = info; p.Start(); String output = p.StandardOutput.ReadToEnd(); //BLOCKS! (output stream isnt closed) I want to be able to get the output to know if starting the server was a success. However, it seems as though the window that's spawned never closes its output stream. It's also worth mentioning that I've tried using vboxmanage startvm "Ubuntu Server" --type=vrdp. I can determine whether the server started properly using this. But it shows a new command prompt window for the newly started VirtualBox guest.

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• Multiple contacts with shared information

  - by Keith Thompson

  Background: I currently have several hundred contacts, synchronized between a Microsoft Exchange server and several mobile devices. I also save exported copies of the contacts in .vcf format. Is there a good way (application, file format, whatever) to maintain contacts with shared information? A very common scenario is that I have contacts for two or more people who live in the same house, for example: John Doe 123 Main Street, Anytown USA Home: 555-555-1111 Work: 555-555-2222 Mobile: 555-555-3333 E-mail: [email protected] Jane Doe 123 Main Street, Anytown USA Home: 555-555-1111 Work: 555-555-4444 Mobile: 555-555-5555 E-mail: [email protected] As you can see, both contacts have the same home address and phone number, but distinct names and work and mobile phone numbers. (Other information might also be either shared or distinct.) The applications and file formats I'm familiar with don't seem to have a good way to deal with this. If I use a single "John & Jane Doe" contact for both, it's difficult to distinguish the distinct information (if I want to call Jane's mobile phone rather than John's). If I use a separate contact for each, I have to remember to update both of them (or all of them for N 2) when they move or change their home phone number. An ideal solution would let me create a record containing information for their household, and have each of their contact records contain a reference to the household record, so that when I view John's contact record I see both shared and distinct information. Is there anything out there that has good support this kind of thing? (I would think there would be, since it's a very common scenario.) (I suppose I could roll my own system that generates merged .vcf files from some extended format, but that wouldn't play well with synchronizing across multiple devices.)

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• 'pskill \\hostname winlogon' might budge a server "stuck rebooting", but why?

  - by Snoi

  Question: Executing remote (Sysinternals) command... pskill \\machine winlogon ...can budge a server that is stuck rebooting, but how/why does this work? How do you know which service to kill? To recreate (e.g.): You run Windows Update, allow a reboot, and ...NOTHING! RDP gets cut off but the server does not reboot. Just about every other service seems to stay up. Further Background: I've faced this problem on VMs hosted around the planet for some years, and used various sc.exe and shutdown commands to learn the state of and attempt remote reboot of servers in such a state, with limited success. Most datacentres don't offer any way to see the true console or power off/on such machines. They charge $$ for you to call them to do such simple things after hours, when you nearly always have to run your maint tasks. e.g. NET USE \\machine\IPC$ /USER:login password sc \\machine query RpcSs sc \\machine query TermService sc \\machine query wuauserv tasklist /s machine This occasionally works for me... shutdown /m \\machine /r /f /t: 0 ...but more often than not it fails with: A system shutdown is in progress (1115). I found this question, and the answer by @Tweek, and it worked really well, but was I just lucky? Can not RDP to Win 2003 box or initiate remote restart @Tweek said to run: pskill \\hostname winlogon ...and that got me past this situation in a new way (Server 2008 R2 in my most recent case) - really useful! I just need to understand if I got lucky or there is more science here. What I'd like to know is why the winlogon process? @Livne said to use "tasklist /s HostName" to see what is the culprit, but how do you tell from the listed output? It's just a list of running tasks etc. From that I would not know what to look for, nor could I see anything about the winlogon process that suggested to my eyes that was the one to kill.

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• SQL Server 2008 Unique Problem for bring DB Online...

  - by Nai

  This is my error I am facing TITLE: Microsoft.SqlServer.Smo Set offline failed for Database 'Go3D_Retailer ------------------------------ ADDITIONAL INFORMATION: An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo) Unable to open the physical file "E:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\ftrow_Go3D_catalog.ndf". Operating system error 2: "2(failed to retrieve text for this error. Reason: 15105)". Database 'Go3D_Retailer' cannot be opened due to inaccessible files or insufficient memory or disk space. See the SQL Server errorlog for details. ALTER DATABASE statement failed. (Microsoft SQL Server, Error: 5120) Background to this error I've been trying to move my destination logshipping database to another physical server for analysis purposes. Because I do not have active directory set up, I had to hack my process by using the same username/password for both the source and destination servers to get the process to work. Following that, I used this guy's solution to move the destination database to another server. However, this error occurs when I try to bring the database back online. I don't have an E drive on my server and I have no idea why it's trying to open a file from E drive. I have over a 100gb left on my hard disk so it's definitely not a space issue. This sounds like a bug... Any ideas? I'm running SQL Server 2008 Enterprise edition on Windows Server 2008 R2 64bit

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