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• blu-ray archiving in vmware ESXi 4

  - by spacecadet77

  Hi, I need some advice about using blu-ray writer for archiving data on vmware ESXi 4. At office we have IBM System x3400 Tower server with ESXi 4 hipervisor and OpenSuse and CentOS GNU/Linux system as guests. Will blu-ray writer work in this setup, and if it will is there any particular model you can suggest. Best regards IBM System x3400 Tower server specification: 1x Intel Quad-Core Xeon E5410 2.33GHz/ 12MB/ 1333MHz (2x CPU max) Intel 5000P chipset, 2x 1GB PC2-5300 DDR2 667MHz SDRAM ECC Chipkill (32GB max) 2x4GB (2x2GB) PC2-5300 CL5 ECC DDR2 FBDIMM (x3400, x3550, x3650) SAS/SATA Hot-Swap Open Bay (0xHDD std, 4xHDD max, 8xHDD optional) ServeRAID 8K dual channel SAS/SATA controller (RAID 0,1,1E,10,5,6, 256MB, Battery Backup) Graphics ATI® RN50(ES1000) 16MB DDR, CD-RW/DVD Combo no FDD GigaEthernet, Tower with Power Supply 835W (opt Redudant) Slot 1: half-length, PCI-Express x8(x4 electrical) Slot 2: full, PCI-Express x8 Slot 3: full, PCI-Express x8 Slot 4: full, 64-bit 133MHz 3.3v PCI-X Slot 5: full, 64-bit 133MHz 3.3v PCI-X , Slot 6: half-length, 32-bit 33MHz 5.0v PCI ports: 4x USB (Vers 2.0), 2x PS/2, parallel, 2x serial (9-pin), VGA, RJ-45 (ethernet ), RJ-45 (sys mgm) HDD 4 x TB 7200rpm / Serial ATA II 3.0Gb/s / 16MB, RoHS

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• WCF - problem with local service (The server has rejected the client credentials.)

  - by H4mm3rHead

  Hi, I have a simple setup, a WPF application running on the machine and a WCF service hosted within a Windows Service on the same machine (always on the same machine). When i debug on one computer i can easily access the local WCF Service. When i run it on another machine i get an error: "The server has rejected the client credentials." Some of my observations are, that at my local machine i have no domain/network. Its my home machine. When at a customers site, it will not run, and gives the above error. Anyone got any ideas on why this is different on these computers? /Brian

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• Cacti not working for SNMP data sources

  - by lorenzo-s

  I installed packages cacti and snmpd on a Debian server. I'm able to display common graphs in Cacti (such as memory usage, load average, logged in users, etc) using the data templates listed as Unix. Now I want to replace these graphs with new ones using SNMP data sources, because I see there is also CPU usage and because it's not excluded I have to manage multiple hosts in the future. So, I installed snmpd on the machine and left the snmpd.conf as it is. In Cacti, I created three new data sources from SNMP templates for 127.0.0.1 host: ucd/net - CPU Usage - Nice ucd/net - CPU Usage - System ucd/net - CPU Usage - User Then I created a new graph from template ucd/net - CPU Usage, and select the three data sources in the Graph Item Fields section. Graph is now enabled and running, but empty. No data have been collected. Under Console - Devices my SNMP host is listed as up and running: System:Linux ip-xx-xx-xxx-xxx 3.2.0-23-virtual #36-Ubuntu SMP Tue Apr 10 22:29:03 UTC 2012 x86_64 Uptime: 929267 (0 days, 2 hours, 34 minutes) Hostname: ip-xx-xx-xxx-xxx Location: Sitting on the Dock of the Bay Contact: Me [email protected] In SNMP Options I left all as it is: SNMP Version: Version 1 SNMP Community: public SNMP Timeout: 500 ms Maximum OID's Per Get Request: 10 In Console - Utilities - Cacti Log I have multiple warning (two for each data source) every 5 minutes: 10/29/2012 01:45:01 PM - CMDPHP: Poller[0] Host[2] DS[18] WARNING: Result from SNMP not valid. Partial Result: U 10/29/2012 01:45:01 PM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:'.1.3.6.1.4.1.2021.4.15.0' 10/29/2012 01:45:01 PM - CMDPHP: Poller[0] Host[1] DS[9] WARNING: Result from SNMP not valid. Partial Result: U 10/29/2012 01:45:01 PM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:'.1.3.6.1.4.1.2021.11.52.0' 10/29/2012 01:40:01 PM - CMDPHP: Poller[0] Host[2] DS[19] WARNING: Result from SNMP not valid. Partial Result: U 10/29/2012 01:40:01 PM - CMDPHP: Poller[0] WARNING: SNMP Get Timeout for Host:'127.0.0.1', and OID:'.1.3.6.1.4.1.2021.4.6.0' [...] I have the feeling I'm missing something, but I cannot get it...

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• CENTOS 6 - How to install php-mysql when php-common @remi is present?

  - by Multitut

  I am having troubles adding mysql support for my php installation, this installation was made using a ready to use-package that came with our VPS. This is my php.info: http://snake.quetzalcoatech.com/info.php I am trying to install php mysql using: yum install php-mysql And get this output: Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.serveraxis.net * extras: mirror.fdcservers.net * updates: bay.uchicago.edu Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package php-mysql.x86_64 0:5.3.3-14.el6_3 will be installed --> Processing Dependency: php-common = 5.3.3-14.el6_3 for package: php-mysql-5.3.3-14.el6_3.x86_64 --> Finished Dependency Resolution Error: Package: php-mysql-5.3.3-14.el6_3.x86_64 (updates) Requires: php-common = 5.3.3-14.el6_3 Installed: php-common-5.3.17-2.el6.remi.x86_64 (@remi) php-common = 5.3.17-2.el6.remi Available: php-common-5.3.3-3.el6_2.8.x86_64 (base) php-common = 5.3.3-3.el6_2.8 Available: php-common-5.3.3-14.el6_3.x86_64 (updates) php-common = 5.3.3-14.el6_3 You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest I am a noob using Linux, so could you tell me which command should I use to install a compatible php-mysql module? Thank you so much!

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• How to avoid OLEDB converting "."s into "#"s in column names?

  - by Andrew Miner

  I'm using the ACE OLEDB driver to read from an Excel 2007 spreadsheet, and I'm finding that any '.' character in column names get converted to a '#' character. For example, if I have the following in a spreadsheet: Name Amt. Due Due Date Andrew 12.50 4/1/2010 Brian 20.00 4/12/2010 Charlie 1000.00 6/30/2010 the name of the second column would be reported as "Amt# Due" when read with the following code: OleDbConnection connection = new OleDbConnection( "Provider=Microsoft.ACE.OLEDB.12.0; Data Source={0}; " + "Extended Properties=\"Excel 12.0 Xml;HDR=YES;FMT=Delimited;IMEX=1\""); OldDbCommand command = new OleDbCommand("SELECT * FROM MyTable", connection); OleDbReader dataReader = command.ExecuteReader(); System.Console.WriteLine(dataReader.GetName(1)); I've read through all the documentation I can find and I haven't found anything which even mentions that this will happen. Has anyone run into this before? Is there a way to fix this behavior?

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• external drive enclosure -> software RAID 5?

  - by memilanuk

  Hello all, I have two older PCs on my LAN posing as 'servers'... one running FreeNAS off a USB stick using three 500GB hdds in a ZFS RAID-Z pool serving as storage for the LAN and one running Debian Lenny with an 80GB drive used as a general purpose 'tinker' box that I can ssh into, etc. Problem is that the SMART report for one of those 500GB drives in the FreeNAS box is showing some pre-failure attributes, and the whole array is a little small anyways. Rather than simply replace one 500GB drive with another 500GB drive, and have no backup of the file server, I'd like to upgrade all the drives to 2TB ones - but I have no where to store that much data in the mean while. As such, I started looking at getting a 4-bay external drive enclosure with an eSATA card for the Debian box, with the hopes of creating a RAID5 + LVM setup using those drives and backing the data up to that external drive enclosure. After the backup is done, replace the drives in the FreeNAS box and rebuild the array there and mirror the data back. Then, I'd have both the primary storage (on the FreeNAS box) and a backup (which I don't have currently) using the external drive enclosure on the Debian box. My big question is... most of these external drive boxes seem to claim support for JBOD, RAID 0, 1, 10, 5, etc. - should I presume that is simply fake RAID like many commodity mobos have, and not really usable in Linux? In that case, with all the drives hanging off the one eSATA connection, will Linux (specifically Debian Squeeze, as I plan on upgrading that box here shortly) see all four drives, or just the first one? Will I be able to configure them in a RAID5 array as desired? Thanks, Monte

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• Windows Server 2008 RAID10

  - by JT

  Hello All, I am building a storage system for myself. I have a 16 bay SATA chasis and right now I have 1 x 500GB SATA for booting 8 x 1.5TB for data. 3Ware 9500S-8 RAID card where these 8 drives above are connected to. I am used to linux, but not in the RAID department. I have Windows experience too. What I am looking for is something that I can just let sit, be reliable and use for other items as well. (Like running test websites, Apache, MySQL, etc). This box is private on a Class-C subnet. My thought is to at least consider Windows Server 2008. I especially like the potential for NON-GUI Mode. Can Windows Server 2008 do a Software RAID 10 out of the box? Software RAID is better performance and better in case the raid needs to be moved to another machine? I just want to SCP files, so OpenSSH running on it? Can one install the GUI, but not use it unless they get in a bind? Is Windows a good idea or should I stick to a Linux Software RAID or FreeBSD + ZFS?

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• IDE/PATA high-speed hard drive dock

  - by wfaulk

  I frequently need to access bare drives for backups and need a quick, high-speed way to deal with them. There are a multitude of SATA hard drive docks (for example), but I have a lot of IDE/PATA (hereafter "IDE") drives that I would like to be able to use similarly. There are IDE-to-SATA adapters so you can plug your IDE hard drive into a SATA port, so I don't see any reason why you couldn't use the same technology to have a native dock, yet none seems to exist. Now, I'm aware that 3.5" IDE drives do not have a specification for the layout of the connector, and therefore can't be slapped into a dock the same way a SATA drive could, but 2.5" PATA drives do. In fact, I'm not terribly interested in supporting 3.5" drives. It would be nice, but I deal with them far less frequently than 2.5" drives. Also, I'd very much like for the connection to the computer be faster than USB, preferably eSATA, I don't want to be spending time mounting a drive inside an enclosure, I don't want bare drives lying around with a cable hanging off of them, and I'd prefer a single dock rather than two. What seems like the ideal solution to me would be a regular SATA→eSATA dock and some sort of screwless adapter for IDE drives, but I'm open to any suggestions, regardless of my stated preferences, but which are, in some sort of order of preference: high-speed (faster than USB, at least) holder for drive (not just a cable) no complicated enclosure support for 3.5" IDE drives single dock Updates: Here's a 3.5" IDE to 3.5" SATA docking adapter that could be part of the solution. Weird. I figured that would be the impossible part. I was hoping to find something like this 2.5" to 3.5" SATA chassis that would take a 44-pin IDE drive internally. It looks like the Vantec EZ Swap EX comes awfully close. It has its own bay dock, but it looks like the SATA ports on the back are spaced properly, even if they're not aligned quite properly. Unfortunately, the proper position is at the very edge of the drive, which means that the docks' connectors are at the very edge of their recesses, which means there's no way to fit it in there.

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• Linq to SQl over WCF Timesout after several calls

  - by Redeemed1

  I have a L2S Repository class which instantiates the L2S DataContext in its constructor. The repository is instantiated at run time (using Unity) in a service hosted in IIS with WCF. When I run up the client MVC applicaton the calls to the backend WCF service work for a while and then timeout. I suspected perhaps a database issue as I was depending on IIS garbage collection to dispose of unused DataContext instances in the IIS host but when I checked the characteristics of the problem I notice the following: The client makes the call to WCF but the WCF service does not respond. Next, the client times out Some time later (several minutes) the service actually executes the request by instantiating the repository and servicing the call. I have checked both client and server traces logs and only the client shows WCF errors (the timeout error). Where should I look? Is it something in WCF or is L2S possibly blocking with unfreed conenctions, resources etc.? Many thanks Brian

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• Cooling Server Closet - No A/C Is Possible

  - by JamesCo

  We're moving into a new office in an old building in London (that's England :) and are walling off a 2m x 1.3m area where the router & telephone equipment currently terminates to use as a server closet. The closet will contain: 2 24-port switches 1 router 1 VSDL modem 1 Dell desktop 1 4-bay NAS 1 HP micro-server 1 UPS Miscellaneous minor telephony boxes. There is no central A/C in the office and there never will be. We can install ducting to the outside quite easily - it's only a couple of metres to the windows, which face a courtyard. My question is whether installing an extractor fan with ducting to the window should be sufficient for cooling? Would an intake fan and intake duct (from the window, too) be required? We don't want to leave a gap in the closet door as that'll let noise out into the office. If we don't have to put a portable A/C unit into the closet, that'd be perfect. The office has about 12 people; London is temperate, average maximum in August is 31 Celsius, 25 Celsius is more typical. The same equipment runs fine in our current office (same building as new office, also no A/C) but it isn't in an enclosed space. I can see us putting say one Dell 2950 tower server into the closet, but no more than that. So, sustained power consumption in the closet would currently be about 800w (I'm guessing); possibly in the future 2kw. The closet will have a ceiling and no windows and be well-insulated. We don't care if the equipment runs hot, so long as it runs and we don't hear it.

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• Error when specifying tag attributes in NHaml

  - by jessegavin

  I am just getting started with NHaml and ran into a snag. This is my application.haml file: %html %head %title = Get Some Data %link{ href="/media/css/styles.css", rel="Stylesheet", type="text/css" } %body %div.page %h1 = Get Some Data _ When I try to view in a browser it throw the following error: NHaml.Exceptions.SyntaxException: The attribute ',' is occurs twice. If I remove the line beginning with %link it works fine. What am I doing wrong? I am following the step-by-step from Brian Hartsock: http://blog.brianhartsock.com/2009/01/15/using-nhaml-from-source/#nhaml_reference

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• Prolog Program for a recordings database

  - by RP

  I have three types of facts: album(code, artist, title, date). songs(code, songlist). musicians(code, list). Example: album(123, 'Rolling Stones', 'Beggars Banquet', 1968). songs(123, ['Sympathy for the Devil', 'Street Fighting Man']). musicians(123, [[vocals, 'Mick Jagger'], [guitar, 'Keith Richards', 'Brian Jones']]. I need to create these 4 rules: together(X,Y) This succeeds if X and Y have played on the same album. artistchain(X,Y) This succeeds if a chain of albums exists from X to Y; two musicians are linked in the chain by 'together'. role(X,Y) This succeeds if X had role Y (e.g. guitar) ever. song(X,Y) This succeeds if artist X recorded song Y. Any help?

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• Error getting SVN repo of Liferay in Eclipse

  - by Tim

  Hello, Im using Eclipse Galileo and have installed Subclipse. I looked at the svn repo url at http://www.liferay.com/web/brian.chan/blog/-/blogs/changes-to-anonymous-access-to-liferay-s-svn and then tried to get Liferay from their SVN repository in Eclipse, using svn://svn.liferay.com/repos/public --username guest,but i get the following error message: Error validating location: "org.tigris.subversion.javahl.ClientException:No connection could be made because the target machine actively refused it. svn: Cant connect to host 'svn.liferay.com':No connection could be made because the target machine actively refused it Any way to fix this ? Thank You

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• Order of imports in C#

  - by BrianK

  How do you like to arrange your "using xxx" imports in C#? I got bored the other day and put them in order from shortest to longest. using System; using System.Web; using System.Data; using System.Linq; using System.Web.UI; using Telerik.Web.UI; using System.Drawing; using System.Collections; using System.Configuration; using System.Web.UI.WebControls; using System.Collections.Generic; Brian

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• Video output vanishes and it isn't the video card... suggestions?

  - by Ira Baxter

  I have a high-end dual processor Dell workstation that operated for several years without problem. Recently, the video output has gone flaky, in the sense that after 2-3 days, it loses synch with the monitor (sometimes you can still see a hashed-mess of the what you expect to see on the screen). Poking at the keyboard, and accessing the file system on the machine from over the network, indicates that the machine is running fine and its just the video. A reboot fixes the problem... for another day or two. This in effect makes the machine unusable. So, I replaced the video card with an exact duplicate bought from e-bay. (I checked after the dupe arrived to be sure, yep, same model number). I still get the same behavior. So unless I believe that both video cards are broken the same way, I have to beleive this is a problem with the motherboard/power supply, neither of which I am inclined to replace. The only other possibility I can think of is a Windows update to the graphics driver. How would I check for this? Anybody had a similar problem? Otherwise we're junking what used to be a perfectly good machine. (Another couple of hours of more wasted effort and that's it in terms of economics anyway).

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• Best way to attach 96 tb to workstation

  - by user994179

  I'm running a workstation with dual xeon 5690's (12 physical/24 logical cores), 192 gb of ram (ie, maxed-out), Windows 7 64bit, 5 slots for adapter cards, and 1 tb of internal storage, with 5 more internal bays available. I have an app that creates data files totaling about 88 tbs. These are written once every 14 months, and the rest of the time the app only needs to read them; and 95% of the reads are sequential reads of huge chunks of data. I have some control over how big the individual files are, but ideally they would be between 5 and 8 tbs. The app will be reading from only one drive at a time, and the nature of the data is such that if (when) a drive dies I can restore the data to a new disk from tape. While it would be nice to be able to use the fastest drive/controllers available, at this point size matters more than speed. After doing lots of reading, I am leaning toward buying a bunch of cheap 2tb drives and putting them into a bunch of cheap enclosures. All this stuff is going into my home office, so I need to avoid the raised floor/refrigerated approach. My questions: Is the cheap drive/enclosure solution the best one for this situation? Given the nature of the app and the way the data is used, does RAID make sense? If so, which one? For huge sequential reads, would Usb 3.0 and eSata be a wash performance-wise? For each slot available on the workstation, can I hook up an enclosure that can hold multiple drives? Or is it one controller per drive? If I can have multiple drives on one controller, am I essentially splitting the bandwidth (throughput)? For example, if I have a 12 bay enclosure, is the throughput of the controller reduced by a factor of 12? Are there any Windows 7 volume/drive/capacity limits I should be aware of? Thanks

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• Strange Exception on getGeneratedKeys() with JDBC for MySQL 5.1

  - by sweeney

  Hello, I'm using JDBC to insert a row into a MYSQL database. I build a parameterized command, execute it and attempt to retrieve the auto generated keys as follows: String sql = "INSERT IGNORE INTO `users` (`email`, `pass-hash`) VALUES (?, ?)"; Connection conn = SQLAccess.getConnection(); PreparedStatement ps = conn.prepareStatement(sql); ps.setString(1, login); ps.setString(2, passHash); int count = ps.executeUpdate(); if (count == 1) { ResultSet rs = ps.getGeneratedKeys(); rs.next(); //some more stuff... } For some reason, I get the following SQLException on the line containing ResultSet rs = ps.getGeneratedKeys();: !Statement.Generated Keys Not Requested! Any thoughts? When I run the same query, as generated by running the app through the debugger, in a MySQL browser it executes without incident. Thanks, brian

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• Procedural music generation?

  - by anon

  Anyone have good book / article recommendation for procedural generation of background music? (No vocals, just instruments). I'm not interested in: How do I generate the sound of a particular note on a particular instrument I'm interested in: How do I generate the melody / score for the music. Thanks! EDIT: Thanks for the reference to Brian Eno. I'm definitely looking into the ambient/user can ignore type of music. I.e. think the background music of a game. It's there to provide some basic mood, but the focus is the game.

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• Malware Defense Shows Up in PlayOn Settings/Logs Although System Has Been Thoroughly Cleaned

  - by nicorellius

  I was hit really hard by some nasty malware: Malware Defense. I was doing something I should not have been doing when I got it (surfing Pirate Bay for TV shows). It locked up my system and I had to reboot in safe mode. I was able to shut down the process and remove it using a malware killer tool. I then installed, after my machine was cleaned up a bit, Clamwin, Malwarebytes, and another AV tool. I cleaned the heck out of my system. Simultaneously, while this was going on, I was having trouble with my media-server, PlayOn. This tool is great, but has some bugs. One in particular is that it will not function well with AV software running. I found a way to allow the new AV software to run while using PlayOn, but it still says I have Malware Defense on. Firstly, Malware Defense is long gone. I cleaned all remnants from my registry and scoured my system with the above tools multiple times. PlayOn is getting some information that I have this crap installed on my system, but it's not. The system runs OK, but not optimally. I have a feeling it is causing my streaming to be interrupted sometimes. How is it that I can't even find Malware Defense on my system if I tried but yet somehow PlayOn is getting a finger print of it somewhere? I have gone back and forth with MediaMall to no avail. I kind of just gave up, because the streaming works OK. BTW, I also uninstalled/reinstalled PlayOn several times, reverted back to previous versions, etc. The only thing I haven't done is reformat my disk and reinstall Windows. I really don't want to do this if there is another way to remove this little print. Any ideas?

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• SSD causing 100% CPU usage in Apache/PHP

  - by Tim Reynolds

  I wanted to increase the performance on my development laptop so I added an Intel 320 Series SSD as my primary drive. Everything is amazingly fast, as expected, except Apache/PHP. I develop Magento by using an Ubuntu 10.10 virtual machine. Information: Host OS: Win 7 Professional 64bit Guest OS: Ubuntu 10.10 32bit Processor: i7 Chipset QM55 SSD: Intel 320 Series 160gb 30% full HDD: Hitachi 320gb 50% full (in side bay using an adapter) Laptop: Lenovo T510 Using: Shared folders Apache Version: 2.2.16 PHP Version: 5.3.3-1 APC Version: 3.1.3p1 APC Memory: 128M Using tmpfs for cache, log, session directories in Magento In the VM running on the SSD (VM files and source files are on the same drive) loading a product page in the Admin takes on average 26.2 seconds and uses 100% CPU for nearly the entire time. In the VM running on the old HDD loading the same page takes on average 4.4 seconds. It mostly uses around 40-50% of the CPU while rendering the page. I have read this post: Performance issues when using SSD for a developer notebook (WAMP/LAMP stack)? It says to change some settings in the bios. I have turned any and all power management features off in the bios. I can't for the life of me understand why this would be happening.

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• SSD seems dead after wakeup from Windows Sleep, BIOS stalls but doesn't find it anymore

  - by Abel

  The morning, the following scary scenario happened: I woke up my Windows system Typed in my username and got an error (something like "could not load security xxx", but unsure of exact wording) System auto-restarted after cliking OK It didn't boot up anymore to the SSD with Windows 7 OS (I have another disk I can boot to, but that doesn't see the disk either). Obviously, this happened right after I instantiated a backup procedure, which hasn't succeeded either. The BIOS can't find the drive when I connect to SATA. And it can't find the drive when I connect it to SAS. I have a Dell Workstation T7400, most recent BIOS (version A06), version of SAS Host Bus Adapter BIOS (HBA) is MPTBIOS 6.14.10.00 (2007.09.29) from LSI Logic Corp. Other findings: When connecting to SATA, the DELL Logo screen stays really long (5 minutes) and then at the end of POST it says that a drive is not found When connecting to SAS, the SAS HBA initializing phase takes long (2 minutes, against normally 15 seconds) When running Dell Diagnostics, it doesn't finish and gives the error Exception occurred in module MPCACHE.MDM file "IOAPICSP.ASM" line 1645. I contacted Dell. On their advice I tried different slots and different cables to no avail. I use an APIC battery power, spikes in the power are thus unlikely. My conclusion so far: the disk is dead. I need this disk very badly because it contains the last few days of important development of which not all code was checked in the moment this happened. Are there any ways to recover dead SSD drives? The drive is a new X25-M G2 160GB model SSDSA2M160G2GC 2.5" in an extension bay and has been running without issues for 3 months on SAS.

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• Gluster strange issue with shared mount point like seprate mount.

  - by Satish

  I have two nodes and for experiment i have install glusterfs and create volume and successfully mounted on own node, but if i create file in node1 it is not showing in node2, look like both behaving like they are separate. node1 10.101.140.10:/nova-gluster-vol 2.0G 820M 1.2G 41% /mnt node2 10.101.140.10:/nova-gluster-vol 2.0G 33M 2.0G 2% /mnt volume info split brian $ sudo gluster volume heal nova-gluster-vol info split-brain Gathering Heal info on volume nova-gluster-vol has been successful Brick 10.101.140.10:/brick1/sdb Number of entries: 0 Brick 10.101.140.20:/brick1/sdb Number of entries: 0 test node1 $ echo "TEST" > /mnt/node1 $ ls -l /mnt/node1 -rw-r--r-- 1 root root 5 Oct 27 17:47 /mnt/node1 node2 (file isn't there, while they are shared mount) $ ls -l /mnt/node1 ls: cannot access /mnt/node1: No such file or directory What i am missing??

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• Overriding Doctrine_Record (sfDoctrineRecord) instance methods in Doctrine PHP Symfony

  - by notbrain

  My background is in Propel, so I was hoping it would be a simple thing to override a magical getter in a Doctrine_Record (sfDoctrineRecord), but I'm getting either a Segfault or the override method is simply ignored in favor of the one in the superclass. https://gist.github.com/697008eaf4d7b606286a class FaqCategory extends BaseFaqCategory { public function __toString() { return $this->getCategory(); } // doesn't work // override getDisplayName to fall back to category name if getDisplayName doesn't exist public function getDisplayName() { // also tried parent::getDisplayName() but got segfault(!) if(isset($this->display_name)) { $display_name = $this->display_name; } else { $display_name = $this->category; } return $display_name; } } What is the proper Doctrine way to extend/override methods on an instance of Doctrine_Record (via sfDoctrineRecord extends Doctrine_Record)? This has to be doable...or should I be looking at the Template documentation? Thanks, Brian

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• Getting error on inserting tuple values in postgreSQL table using python

  - by rahman.bd

  Hello, I want to keep last.fm's user recent music tracks list to postgresql database table using pylast interface.But when I tried to insert values to the table it shows errors.Code example: for i, artist in enumerate(recent_tracks): for key in sorted(artist): cur.execute(""" INSERT INTO u_recent_track(Playback_date,Time_stamp,Track) VALUES (%s,%s)""", (key, artist[key])) conn.commit() cur.execute("SELECT * FROM u_recent_track;") cur.fetchone() for row in cur: print ' '.join(row[1:]) cur.close() conn.close() Here "recent_tracks" tuple have the values for example: artist 0 - playback_date : 5 May 2010, 11:14 - timestamp : 1273058099 - track : Brian Eno - Web I want to store these value under u_recent_track(Tid,Playback_date,Time_stamp,Track).Can anybody have idea how to sort out this problem? when I tried to run, it shows error: Traceback (most recent call last): File "F:\JavaWorkspace\Test\src\recent_track_database.py", line 50, in <module> VALUES (%s,%s,%s)""", (key, artist[key])) IndexError: tuple index out of range Thanks in advanced!

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• Determine wifi capabilities of Windows box (with WSUS install rules)

  - by Hagen von Eitzen

  I need to determine if a computer is in fact a laptop with wifi capabilities (with emphasis on wifi rather than laptop). More precisely, I want to distribute a piece of software I wrote via WSUS and Local Update Publisher to those clients. To this end, I want to create appropriate "Package installable rules", that is simple rule used bay the Windows Update Service on the client to decide beforehand whether or not an update/installation package is applicable. Typically, such "installabel rules" are logical combinations of rules of type "File exists", "Registry Key exists", "WMI Query", "MSI Product Installed", so I'd prefer one of those methods. The method I hope someone here can help me find should work with Win 7/Vista, preferably also with XP. My guess is that WMI query is the way to go, but I have little experience in that. I have found that one can e.g. query for EnclosureType and that might detect a laptop. However, I would be much happier if an actually available wifi interface would be detected. Does anyone have an idea how to approach this? If there is anything you need me to clarify, don't hesitate to comment.

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