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• Windows 7 backup keeps trying to backup non-existent file and folders

  - by Ayusman

  My Windows 7 system backup keeps trying to back up 2 non existent file and one folder. I have double checked that these files do not exist. How does windows 7 try to backup that does not exist and then complain and fails the backup? Here is the messages: Backup encountered a problem while backing up file D:\Non library songs\Klub Arabia. Error:(The system cannot find the file specified. (0x80070002)) Backup encountered a problem while backing up file D:\Non library songs\Klub Arabia 2. Error:(The system cannot find the file specified. (0x80070002)) Backup encountered a problem while backing up file D:\Data\FRIENDS. Error:(The system cannot find the file specified. (0x80070002)) These file/folders may have been there at some point but have since been moved. Any idea how to solve this? Does this mean all other content has been backed up successfully? I have windows 7 professional 64bit and I am backing up my Win7 machine to an external hard drive. Ayusman

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• Has anyone used tools like (Chef, Salt, Puppet, CfEngine) to configure a 2008 Win Server with Sql?

  - by Development 4.0

  I have been looking into tools to automate the creation of servers. For two different reasons: Production Development machines I love the idea of the immutable server. I have seen the tools demoed and used successfully on *nix boxes running Rails or Lamp etc. Has anyone found a good way to do this in the Microsoft stack? I would like to get in on the fun and create scripts that will install Windows, patch it according to specification, deploy Sql Server create scripts to build out a database and just for fun deploy SharePoint and configure it, and then deploy a SharePoint solution to it. I can get part of the way, install Windows manually, install Sql Server manually, use Powershell to do all the configuration and setup. Install SharePoint and configure part of it, then powershell for the rest of the configuration and deploying a solution. I would love to have the ability to run one script though, or at least one unified process. I can, and have mostly used VM template images and then instantiated them, but the creation of the template is usually a manual step.

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• How can I get an AdWords ad to show up for a specific term ASAP?

  - by Eric

  I have a very specific situation... I have a client who has a site, backed by a celebrity, selling a comment product.... so imagine my site is all about "Martha Stewart used cars" (that's not it-- but you get the idea). My client wants to see their site show up ASAP in Google search results. While I'm waiting for organic search to kick in and recognize my site, index it properly, etc, I want to buy some adwords for keywords like "Martha Stewart used cars" and "Martha Stewart used car" and so forth and have the ads show up on the 1st page of search results. I've done this. The problem is that many, many other advertisers have set up ads on the keyword "used cars" so my Martha-specific ads never are shown. Even when I bid specifically on the keyword phrase "Martha Stewart used cars" and I enter that directly into Google, it doesn't show my ad. SO MY QUESTION.... how/what can I do to get my ads to show... or really, can I do anything else to get my client's site to show on the result page? (I'm not interested in anything black-hat or illegal; I'm just trying to throw some resources at this situation so when those folks looking SPECIFICALLY for "Martha Stewart used cars" will get to the site quickly.) thanks-- Eric

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• VMware Workstation reboot 32-bit host when starting 64-bit guest

  - by Powerman

  I'm trying to start 64-bit guest (MacOSX and Windows7) on 32-bit host (Hardened Gentoo Linux, kernel 2.6.28-hardened-r9) using VMware Workstation (6.5.3.185404 and 7.0.1.227600). If VT-X disabled in BIOS, VMware refuse to start 64-bit guest (as expected). If VT-X enabled in BIOS, VMware start guest without complaining, but then, in about a second (I suppose as soon as guest try to switch on 64-bit) my host reboots (actually, it's more like reset - normal reboot procedure skipped and BIOS POST start immediately). My hardware is Core 2 Duo 6600 on ASUS P5B-Deluxe with latest stable BIOS 1101. I've power-cycled system, then enabled Vanderpool in BIOS. My CPU doesn't support Trusted Execution Technology, and there no way to disable it in BIOS. I've rebooted several times after that, sometimes with power-cycled, and ensure Vandertool is enabled in BIOS. I've also run VMware-guest64check-5.5.0-18463 tool, and it report "This host is capable of running a 64-bit guest operating system under this VMware product.". About a year ago I tried to disable hardened in kernel to ensure this isn't because of PaX/GrSecurity, but that doesn't help. I have not checked 32-bit guests with VT-X enabled yet, but without VT-X they works ok. ASUS provide "beta" BIOS updates, but according to their descriptions these updates doesn't fix this issue, so I'm not sure is it good idea to try it. My best guess now it's motherboard/BIOS bug. Any ideas?

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• How to run a WebPy server on port 8080 using DDNS of dlink router and to access this site from internet?

  - by nuke1010

  I have two major issue with setting up a web server using my dlink DIR-600L router. Issue 1: I run a WebPy server on port 8080. But the DDNS service providers (like dlinkddns.com or dyndns.org) only allows port 80. I can run the server in port 80 with sudo command. But my server become vulnerable if i give root access. So I tried port forwarding in the router and server. But no use. I don't know if I done that correctly. Issue 2: Even though the server runs on port 80, I can access my site from my local machines only using registered domain names ( say, nikz.dyndns.org). No one on internet cannot load this site even when its totally up. As I observed server log, the request from other clients never reached my server. I need to run this server on port 8080 and i need to access this site from internet. How can I do it? any idea?

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• Which server software and configuration to retrieve from multiple POP servers, routing by address to correct user

  - by rolinger

  I am setting up a small email server on a Debian machine, which needs to pick up mail from a variety of POP servers and figure out who to send it to from the address, but I'm not clear what software will do what I need, although it seems like a very simple question! For example, I have 2 users, Alice and Bob. Any email to [email protected] ([email protected] etc) should go to Alice, all other mail to domain.example.com should go to Bob. Any email to [email protected] should go to Bob, and [email protected] should go to Alice Anything to *@bobs.place.com should go to Bob And so on... The idea is to pull together a load of mail addresses that have built up over the years and present them all as a single mailbox for Bob and another one for Alice. I'm expecting something like Postfix + Dovecot + Amavis + Spamassassin + Squirrelmail to fit the bill, but I'm not sure where the above comes in, can Postfix deal with it as a set of defined regular expressions, or is it a job for Amavis, or something else entirely? Do I need fetchmail in this mix, or is its role now included in one of the other components above. I think of it as content-filtering, but everything I read about content-filtering is focussed on detecting spam rather than routing email.

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• EC2: How dangerous is it to turn off fsck for EBS volumes?

  - by Janine

  I have been tearing my hair out trying to figure out why my EC2 instances (made from my own custom AMIs) were taking many tries to come up properly. They would fail with the following error: fsck.ext3: No such file or directory while trying to open /dev/sdf For both of the EBS volumes I was attaching during startup. Finally, I figured out the problem. I had put this in /etc/fstab: /dev/sdf /export ext3 defaults 1 2 /dev/sdi /export2 ext3 defaults 1 2 The 2 tells the system to fsck the drives on the way up. Changing this to /dev/sdf /export ext3 defaults 1 0 /dev/sdi /export2 ext3 defaults 1 0 Avoids the problem completely, but now the volumes are never going to be fsck'd. How much does this matter? Once the instance goes into production it's going to be running pretty much 24/7, so not many fscks would be happening anyway, but still... this just feels like a bad idea. I have not been able to find anyone else even reporting this problem (there are people with the same error message, but different causes). It seems unbelievable that I could be the only person to ever make this mistake, but perhaps I'm just talented that way. :) If there is another solution to the problem I would love to hear it; I have not been able to find one.

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• Email bouncing sent from Google

  - by davidmck

  I'm hoping someone here has an idea of where to look next. We have a domain we support which has email sent to it from one particular user bounce with the following message: Delivery to the following recipient failed permanently: [email protected] Technical details of permanent failure: Google tried to deliver your message, but it was rejected by the recipient domain. We recommend contacting the other email provider for further information about the cause of this error. The error that the other server returned was: 550 550 Unrouteable address (state 14). We only have reports of bouncing form this one particular user (who is someone we don't support - except they'd like to be able to contact our customer and we're trying to figure out if the problem is on our end). Many people can successfully send to this domain and the user who is getting bounce messages can send to other domains that we support (so it's clearly something specific with the princetonscoop.com domain and not our setup in general). I've reviewed the MX records multiple times and the server logs don't show a connection which generates this error (in fact this error is not one that our mail server would ever return). So it appears that google is contacting a different mail server for some reason. I have tested sending from my gmail account and that works. I believe the sender is using a google-apps account (the account they are using is from their own domain, not a gmail account). Any ideas on what might be happening here or what to test/investigate next? Thanks.

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• graphics performance better on battery?

  - by Scott Beeson

  Anyone have any idea why my laptop would perform (considerably) better while on battery than while plugged in? It's a Dell Latitude E6420 with Windows 8 Pro. I tried mirroring all the settings in the selected power plan from "On battery" to "Plugged In" and that didn't help. I then just restored the defaults for all power plans (balanced and high performance). I'm still seeing the same results. The best example where it is most noticeable (don't laugh) is Sim City Social in Chrome. I'm probably seeing a performance increase of 5x on battery versus plugged in. This is easily reproducible too. I'm very confused. Could it be caused by dust? The laptop isn't that old and there is no visible dust. I'm not going to take it apart to check the insides as it's a corporate laptop. Could it be overheating? Battery Sim City Social: 68 degrees max Civ V: 77 degrees max Charger Sim City Social: 68 Civ V: did not test See answer below... I'm retarded

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• File corruption after copying files in Windows 7 64 bit using two methods

  - by DustByte

  I have 5000 pictures and other files in a directory taking up 35 GB. I want to duplicate this directory. Method 1: I do a simple copy and paste of the directory in explorer. I have the habit of checking the checksums after copying important files. In this case I noticed that around 2000 files failed the MD5 test. At a closer inspection of a randomly chosen JPEG with different checksums it turns out that some XMP metadata had changed. In particular, the tag <MicrosoftPhoto:DateAcquired> had changed the date from 2009 to today (possibly around the time I was copying the files). I have no idea what triggered this XMP data to be changed and exactly when it was changed and why for these particular files, but at least it seems to explain the checksum discrepancy. Method 2: As I want the exact files to be duplicated, I tried the program FreeFileSync to mirror the directory, hoping no XMP metadata would mysteriously change. A checksum test in addition to a thorough file comparison test in FreeFileSync lead to two similar but yet different results: 31 files fail the checksum test, 23 files fail the file comparison test. The smaller set is not entirely contained in the bigger set, although many files occur in both. What is alarming here is that not only JPEGs are flagged as altered but also som AVIs, MPGs and a large 7-zip file. Closer inspection of a JPEG indicates that it is indeed corrupt: the bottom half of the picture is simply plain gray. Due to the size of the 7-zip file, I have not been able to pin down the discrepancy. Note, in both methods, every file has its correct file size after being copied. Question: Any thoughts on what is possibly going on here? I have never had this problem before, and I am now terrified that files get corrupted after simple actions like copy/paste and file sync. Even if I manage to successfully copy the files somehow, I would still like an explanation to this.

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• PostgreSQL 8.4 - Tablespace Optimization

  - by FloE

  I'm currently running a PostgreSQL Database with about 1.5 billion rows / 500 GB of data (including indices). There are several schemata: on for the (read only, irregular changes / updates) 'core-model' and one for every user (about 20 persons). The users can access the core and store data in their own schema, so everything is located in one database. The server runs with CentOS and PostgreSQL 8.4 and is used for scientific studies, exploration etc and is running quite well. These days an upgrade of the DB storage hard disks arrive - all with the same performance as the old ones. I'm looking for the best way to distribute the data on these disks. It would be possible to separate frequently used objects (the core-data) from the user schemata, but I'm not sure if this is really worth the effort. It seems to be a much better idea to move the WAL files (pg_xlog directory) to its own partition. http://www.postgresql.org/docs/8.4/static/wal-internals.html What are your opinions? Are there any tablespace- or partitioning-related performance documentations / benchmarks?

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• Password Cracking Windows Accounts

  - by Kevin

  At work we have laptops with encrypted harddrives. Most developers here (on occasion I have been guilty of it too) leave their laptops in hibernate mode when they take them home at night. Obviously, Windows (i.e. there is a program running in the background which does it for windows) must have a method to unencrypt the data on the drive, or it wouldn't be able to access it. That being said, I always thought that leaving a windows machine on in hibernate mode in a non-secure place (not at work on a lock) is a security threat, because someone could take the machine, leave it running, hack the windows accounts and use it to encrypt the data and steal the information. When I got to thinking about how I would go about breaking into the windows system without restarting it, I couldn't figure out if it was possible. I know it is possible to write a program to crack windows passwords once you have access to the appropriate file(s). But is it possible to execute a program from a locked Windows system that would do this? I don't know of a way to do it, but I am not a Windows expert. If so, is there a way to prevent it? I don't want to expose security vulnerabilities about how to do it, so I would ask that someone wouldn't post the necessary steps in details, but if someone could say something like "Yes, it's possible the USB drive allows arbitrary execution," that would be great! EDIT: The idea being with the encryption is that you can't reboot the system, because once you do, the disk encryption on the system requires a login before being able to start windows. With the machine being in hibernate, the system owner has already bypassed the encryption for the attacker, leaving windows as the only line of defense to protect the data.

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• Setup Entourage for Exchange via HTTP communication

  - by Johandk

  Our ISP set up a hosted exchange server for all our mail. I've setup all our Outlook users with no problems. We have two people using Mac OSX Leopard and Entourage. Entourage has the option of adding an Exchange account, but I have no idea how to tell it to connect to exchange via HTTP. Heres an excerpt from the client setup docs the hosting company sent me for Outlook: 1 .Go to control panel 2. Select ‘Mail’ 3. Select ‘Email accounts’ Under the E-mail tab select ‘New’ Select ‘Manually configure server settings......’ - click next Select ‘Microsoft Exchange’ – click next Complete details as below with Microsoft Exchange Server as: [server address] Do not select ‘Check Name’. Instead select ‘More Settings’. Go to the Connection tab, and select the bottom option ‘Connect to Microsoft Exchange using HTTP’. And then select the ‘Exchange Proxy Settings’ button. Enter Proxy server for Exchange Check Only connect to proxy servers that have this principal name in their certificate, Enter msstd:[servername] Proxy Authentication - select Basic Authentication Select OK, and again, so that you return to the main screen. Now select ‘Check Name’. Enter Username and Password: The username should now be the full name and underlined. If so select next, and then finish. Next time you open Outlook, enter username and password Any help GREATLY appreciated.

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• Backup hardware and strategy on distributed Windows Server 2008 network

  - by CesarGon

  This question is a follow up to this. We have a Windows Server 2008 R2 domain over a network that spans two different buildings, linked by a 100-Mbps point-to-point line. Over 60 users work in the organisation. We are planning to use DFS folders and DFS replication for file serving across the organisation. The estimated data volume is over 2 TB, and will grow at approximately 20% annually. The idea is to set up a DFS file server in each building and use DFS so that all the contents stay replicated over the 100-Mbps link. We are now considering backup hardware and strategies. We are Dell customers and, after browsing the online Dell catalogue, I can see a number of backup hardware options. My main doubts are the following: Would you go for a tape library, disk backup, or are there other options worth considering? Would you perform batch backups (i.e. nightly) or would you use continuous backup (i.e. while users are working)? Would you use a dedicated backup server to which the tape library (or any other backup device) is attached, or is there any other alternative way of doing things? My experience with backup hardware and overall setup is limited, so I appreciate any good piece of advice that you may have. Thanks.

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• RabbitMQ message consumers stop consuming messages

  - by Bruno Thomas

  Hi server fault, Our team is in a spike sprint to choose between ActiveMQ or RabbitMQ. We made 2 little producer/consumer spikes sending an object message with an array of 16 strings, a timestamp, and 2 integers. The spikes are ok on our devs machines (messages are well consumed). Then came the benchs. We first noticed that somtimes, on our machines, when we were sending a lot of messages the consumer was sometimes hanging. It was there, but the messsages were accumulating in the queue. When we went on the bench plateform : cluster of 2 rabbitmq machines 4 cores/3.2Ghz, 4Gb RAM, load balanced by a VIP one to 6 consumers running on the rabbitmq machines, saving the messages in a mysql DB (same type of machine for the DB) 12 producers running on 12 AS machines (tomcat), attacked with jmeter running on another machine. The load is about 600 to 700 http request per second, on the servlets that produces the same load of RabbitMQ messages. We noticed that sometimes, consumers hang (well, they are not blocked, but they dont consume messages anymore). We can see that because each consumer save around 100 msg/sec in database, so when one is stopping consumming, the overall messages saved per seconds in DB fall down with the same ratio (if let say 3 consumers stop, we fall around 600 msg/sec to 300 msg/sec). During that time, the producers are ok, and still produce at the jmeter rate (around 600 msg/sec). The messages are in the queues and taken by the consumers still "alive". We load all the servlets with the producers first, then launch all the consumers one by one, checking if the connexions are ok, then run jmeter. We are sending messages to one direct exchange. All consumers are listening to one persistent queue bounded to the exchange. That point is major for our choice. Have you seen this with rabbitmq, do you have an idea of what is going on ? Thank you for your answers.

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• GNU screen multiuser mode is broken in OS X 10.6 (Snow Leopard)

  - by schustafa

  I'm using GNU screen for remote pair programming. Let's call the local account for the remote user 'pairpair'. I have the following lines in my .screenrc: multiuser on acladd pairpair I have run sudo chmod u+s /usr/bin/screen. However, when the remote user tries to connect to my screen with the command screen -r [my_account_name]/[pid_of_screen] I receive the following message: Attach attempt with bad pid(xxx) The pid listed in the error message matches the pid of the screen process run by the remote user. The remote user's screen process hangs; my screen session continues happily along after the error message disappears. I've tried using both the built-in screen (at /usr/bin/screen) and the screen available from MacPorts, but I get the same error in both cases. This worked on OS X 10.5 (Leopard). I've googled around for the error message, but most of the hits relate to some BSD bug from 2003 or so (which was fixed). Has anyone else seen this behavior? Does anyone have any idea how to make multiuser support in screen work in SL?

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• Maxtor 500GB external hard drive not being detected but power is going to it?

  - by ClarkeyBoy

  I have 2 * Maxtor Onetouch 4 Lite 500GB external hard drives (part no. 9NT2A4-500). They both used to work fine on my old laptop (an Acer) but I have not used them for about a year, since my laptop was stolen and I got this one (also an Acer [Aspire 7738G]). I have one plugged into the mains with one of the leads I believe was supplied with them. It appears to be receiving power as it is warm and the power light (on the unit itself) is on; also the mains adapter is fairly warm. I also have it plugged into my laptop with a USB lead which I have tested on my mp3 player (so I know it works). However my hard drive is not showing on my computer. I have tried checking for new hardware, installing the software that was supplied with it, checking drive letters in case it is registered as C: or something stupid, checking for problems etc... I can't find any cause for it to do this. It does appear to be starting up and, possibly, shutting down and restarting constantly (that's what it sounds like altho I can't be certain). I have had both hard drives stored in different places for the last year and they're both doing the same thing.. if it was only one then I'd guess it had got damaged or corrupted or something but since it is both I doubt this is it. The only things in common with both of them are the leads and the laptop, however I know the USB lead works and guess the mains lead works as there is power going to the unit. Has anyone come across this before or does anyone have any idea what the cause / solution to the problem is? Any help would be greatly appreciated. Regards, Richard

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• Is a rubber keyboard suitable for heavy use?

  - by Vilx-

  Every keyboard wears out with time, and mine has some age already. The day it fails is coming closer and closer. So I'm slowly starting to look around for a new one. I use the keyboard for gaming and programming, so it gets some pretty solid use. I also tend to eat by the computer, so there's plenty of... uhh... lifeforms down there. Anyway, I was looking at these rubber keyboards. They come pretty cheap (my local computer shop has one for less than $20) and they seem to have some nice properties. They can be easily cleaned, they're quiet, and can be rolled up when needed (plus no worries about spilled drinks). However I'm wondering what their type-ability is. If I can't write on it at a decent speed, the rest of the features don't matter. Not that I'm a fast typer, but being a professional progammer does give a boost to the skill. I couldn't find any reviews on the net so I'm turning to you. Who has used these keyboards and what was your experience? Perhaps there is something else I haven't though of why such a keyboard would not be a good idea?

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• Apache rewrite rules and special characters

  - by Massimo

  I have a server where some files have an actual %20 in their name (they are generated by an automated tool which handles spaces this way, and I can't do anything about this); this is not a space: it's "%" followed by "2" followed by "0". On this server, there is an Apache web server, and there are some web pages which links to those files, using their name in URLs like http://servername/file%20with%20a%20name%20like%20this.html; those pages are also generated by the same tool, so I (again!) can't do anything about that. A full search-and-replace on all files, pages and URLs is out of question here. The problem: when Apache gets called with an URL like the one above, it (correctly) translates the "%20"s into spaces, and then of course it can't find the files, because they don't have actuale spaces in their names. How can I solve this? I discovered than by using an URL like http://servername/file%2520name.html it works nicely, because then Apache translates "%25" into a "%" sign, and thus the correct filename gets built. I tried using an Apache rewrite rule, and I can succesfully replace spaces with hypens with a syntax like this: RewriteRule (.*)\ (.*) $1-$2 The problem: when I try to replace them with a "%2520" sequence, this just doesn't happen. If I use RewriteRule (.*)\ (.*) $1%2520$2 then the resulting URL is http://servername/file520name.html; I've tried "%25" too, but then I only get a "5"; it just looks like the initial "%2" gets somewhat discarded. The questions: How can I build such a regexp to replace spaces with "%2520"? Is this the only way I can deal with this issue (other than a full search-and-replace which, as I said, can't be done), or do you have any better idea?

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• Windows - Website unaccessible only on windows pcs in LAN

  - by DorentuZ

  For serveral days now, a website isn't accessible on a single pc in the LAN. On the other pc's, it works just fine. And it's just a single website that's not accessible as far as I know of. The website generates a timeout on every single web browser I've tried (IE8, Firefox and Chrome). However, traceroute, nmap and telnet all work just fine. I've even tried multiple user accounts and safe mode, but that didn't work either. As a side note: using a linux live cd did work and I could access the website without any problems. The hosts file is the windows default, the ip- and dns settings on the network adapter normal as well. No strange processes are running and no viruses found. According to tcpview and netstat there are connections to the domain, but every request in the browser results in a timeout.. Any idea what's happening? Update: All of the computers on the network running Windows (any version) are showing this problem now. The website is still working under linux and mac osx. So, it has to be related to some kind of windows update (although I haven't installed any on one computer in the past week, which I've set to do manual updates only)..

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• Sync Two Exchange accounts or Ready Only access to subfolders

  - by cpgascho

  This is two questions kind of. The situation is as follows. I am running SBS 2008 with Exchange 2007. There is a shared account which has subfolders to keep track of the process of jobs that are coming into the company (ie: sales) I need to give other people in the company read access to this mailbox not full control. When I give ready only access to the root other users can only see the Inbox and not subfolders. Permissions have to be applied to each folder. One solution I have considered is creating a secondary mailbox that everyone could have full access too which would have a one way sync from the sales mailbox to the secondary mailbox. Then people could see what was happening without messing up the main mailbox by accident (at worst they would mess up the secondary mailbox) Ideally I could find a way to propgate the READ ONLY Permissiosn to all the subfolders. I have tried using PFDavAdmin to do this but have not been able to get it to connect successfully from Windows 7 To Exchange 2007 Any idea on how to 1. Propogate permissions (get PFDavAdmin to work??!) 2. Sync mailboxes 3. Other solution? Thanks Chris

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• EFI vs MBR - Installing Windows Server 2008 R2 or 2012 on 8TB

  - by Riaan de Lange

  I'm having some difficulty installing Windows Server 2008 R2 and Windows Server 2012 on an Intel Server platform. The server specs is as follows: Intel Grizzly Pass Server System - R2308GZ4GC 2x Intel Xeon 2620 - 2.0 GHZ - BX80621E52620 132 GB of Memory REG-DIMM - TS1GKR72V6H 4x Seagate Constellation ES 2TB 3.5" 7200rpm 6GB/S - ST32000645NS Intel Big Laurel 4CH 6G SAS RAID 512MB - RS2BL040 On the Intel RAID Controller Setup, I have setup the HDD to be in RAID-0 - for testing purposes. (Ultimately configured in RAID-5) So, the total size of HDD space I can use is 7.6 TB something... When I install the Server OS's, they don't seem to go beyond 2 TB (1.76 TB) I have read up on EFI and UEFI boot, and this seems to work in 2012, but I could not install any drivers for the motherboard... So, I also tried EFI for 2008R2, and this worked while installing the OS, it did not however work with the Windows Boot Manager option in the BIOS. It kept on freezing once it tries to load the partition. My idea was to allocate the complete 8 TB for the OS, and load a few VM's on there. I have now started with a new approach where I'll have a 256 GB OS Partition, and a secondary 7.5 TB Data partition. Oh, and I also did a diskpart - convert disk to gpt whilst installing 2008R2. The whole disk was accessible, 7.6TB Can anyone please clarify that EFI/UEFI is meant for larger boot volumes? Bigger than 2TB. If I were to have an ideal situation where my OS is run on a SSD, 256GB, and I can attach the 8 TB drives as normal disk to the OS? I'm I correct in saying that if I wanted to boot from a 8TB partition, I would need to force the BIOS to boot from EFI? The limit for MBR is 2 TB as far as I know now... *FYI: The motherboard is EFI-ready

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• Using UDF on a USB flash drive

  - by CesarB

  After failing to copy a file bigger than 4G to my 8G USB flash drive, I formatted it as ext3. While this is working fine for me so far, it will cause problems if I want to use it to copy files to someone which does not use Linux. I am thinking of formatting it as UDF instead, which I hope would allow it to be read (and possibly even written) on the three most popular operating systems (Windows, MacOS, and Linux), without having to install any extra drivers. However, from what I found on the web already, there seem to be several small gotchas related to which parameters are used to create the filesystem, which can reduce the compability (but most of the pages I found are about optical media, not USB flash drives). I would like to know: Which utility should I use to create the filesystem? (So far I have found mkudffs and genisoimage, and mkudffs seems the best option.) Which parameters should I use with the chosen utility for maximum compability? How compatible with the most common versions of these three operating systems UDF actually is? Is using UDF actually the best idea? Is there another filesystem which would have better compatibility, with no problematic restrictions like the FAT32 4G file size limit, and without having to install special drivers in every single computer which touches it?

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• Mysql, SSL and java client problem

  - by CarlosH

  I'm trying to connect to an SSL-enabled mysql server from my own java application. After setting up ssl on mysqld, and successfuly tested an account using "REQUIRE ISSUER and SUBJECT", I wanted to use that account in a java app. I've generated a private key (to a file called keystore.jks) and csr using keytool, and signed the csr using my own CA(The same used with mysqld and its certificate). Once signed the csr, I've imported the CA and client cert into the keystore.jks file. When running the application the SSL connection can't be established. Relevant logs: ... [Raw read]: length = 5 0000: 16 00 00 02 FF ..... main, handling exception: javax.net.ssl.SSLException: Unsupported record version Unknown-0.0 main, SEND TLSv1 ALERT: fatal, description = unexpected_message Padded plaintext before ENCRYPTION: len = 32 0000: 02 0A BE 0F AD 64 0E 9A 32 3B FE 76 EF 40 A4 C9 .....d..2;.v.@.. 0010: B4 A7 F3 25 E7 E5 09 09 09 09 09 09 09 09 09 09 ...%............ main, WRITE: TLSv1 Alert, length = 32 [Raw write]: length = 37 0000: 15 03 01 00 20 AB 41 9E 37 F4 B8 44 A7 FD 91 B1 .... .A.7..D.... 0010: 75 5A 42 C6 70 BF D4 DC EC 83 01 0C CF 64 C7 36 uZB.p........d.6 0020: 2F 69 EC D2 7F /i... main, called closeSocket() main, called close() main, called closeInternal(true) main, called close() main, called closeInternal(true) connection error com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure Any idea why is this happening?

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• Debugging a Drobo that chokes Windows 7x64 When Plugged In

  - by Pridkett

  I've had a love hate relationship with my Drobo for a long time. After two years of using it on a Linux box, I moved it over to a Windows 7 machine where it seemed to work just fine for a long time, but it was under very light usage. Mainly backups that never actually happened. Recently I began using it for additional backup services (through CrashPlan, which is great). This means the Drobo gets a lot more usage. Also it means that something interesting happens, the Drobo can choke my system on startup. Here's what I mean: Start computer without Drobo plugged in, CrashPlan and Drobo Dashboard services disabled: 105s Start computer with Drobo plugged in Crashplan disabled, Drobo Dashboard enabled: 250s (and 1 cpu at 100% for a very long time, drobo churning) Start computer with Drobo plugged in, CrashPlan and Drobo Dashboard disabled: 250s (1 cpu at 100% for a very long time, drobo churning) Start computer with Drobo plugged in, Crashplan and Drobo Dashboard enabled: 300s (1 cpu at 100% for a very long time, drobo churning) If I yank the USB plug on the Drobo the CPU usage goes down to nothing very quickly. The slow startup in the fourth scenario is because CrashPlan is trying desperately to load stuff up on the H: drive before it gives up, so I've disabled it for the time being. So here's my question: What the heck is going on when I plug the drobo in? I've fired up Process Explorer and see that the System process is hogging the CPU, specifically it's an ntoskrnl.exe/KdPollBreakIn thread that's going ape. Is this something that's wrong with Drobo? Windows? Any idea on how to find out? If it matters, here's tech info: Athlon 64x2 4400, 2GB RAM, Win7 Ultimate, Drobo USB (2x1TB, 2x320GB)

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