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  • PBX with Fax and Google Voice

    - by Phill Pafford
    Looking to replace/port my home number which I use for mainly faxing for my home business to a PBX server ( Thinking Asterisk or Elastix ). My question is: Does Asterisk/Elastix support Faxing ( Incoming / Outgoing ) Does Asterisk/Elastix support Google Voice Here is what I'm looking to do: Run some sort of PBX software from my own home server that will allow me to use Google Voice for my home number, possibly allow multiple Google voice ( Though I could live with just the one ) and must support Faxing ( Incoming and Outgoing ). Would Asterisk/Elastix support all of this or would you recommend something else for this? Looking to avoid some of the pitfalls that could happen I like Ubuntu if a Linux environment is needed

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  • "Siebel2FusionCRM Integration" solution by ec4u (D)

    - by Richard Lefebvre
    ec4u, a CRM System Integration leader based in Germany and Switzerland, and an historical Oracle/Siebel partner, offers a complete "Siebel2FusionCRM Integration" solution, based on tools methodology and services. ec4u Siebel2FusionCRM Integration solution's main objectives are: Integration between Siebel (on-premise) and Fusion CRM / Marketing (“in the cloud”) Accounts, Contacts and Addresses are maintained by Sales in Siebel CRM and synchronized in real-time into Fusion CRM / Marketing CDM Processing ensures clean data for marketing campaigns (validation and deduplication) Create E-Mail marketing campaigns and newsletters in Fusion The solution features: Upsert processes figure out what information needs to be updated, inserted or terminated (deleted). However, as Siebel is the data master, it is still a one-way synchronization. Handle deleted or nullified information by terminating them in Fusion CRM (set start and end date to define the validity period) Initial load and real-time synchronization use the same processes Invocations/Operations can be repeated due to no transactional support from Fusion web services Tagging sub entries in case of 1 to N mapping (Example: Telephone number is one simple field in Siebel but in Fusion you can have multiple telephone numbers in a sub table) E-Mail-Notification in case of any error (containing error message, instance number, detailed payload) Schematron Validation Interested? Looking for more details or a partnership with ec4u for a "Siebel2FusionCRM Integration" project? Contact: Gregor Bublitz, Director Expert Services ([email protected])

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  • Strategy for backwards compatibility of persistent storage

    - by Baqueta
    In my experience, trying to ensure that new versions of an application retain compatibility with data storage from previous versions can often be a painful process. What I currently do is to save a version number for each 'unit' of data (be it a file, database row/table, or whatever) and ensure that the version number gets updated each time the data changes in some way. I also create methods to convert from v1 to v2, v2 to v3, and so on. That way, if I'm at v7 and I encounter a v3 file, I can do v3-v4-v5-v6-v7. So far this approach seems to be working out well, but I haven't had to make use of it extensively yet so there may be unforseen problems. I'm also concerned that if the objects I'm loading change significantly, I'll either have to keep around old versions of the classes or face updating all my conversion methods to handle the new class definition. Is my approach sound? Are there other/better approaches I could be using? Are there any design patterns applicable to this problem?

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  • Generic Repositories with DI & Data Intensive Controllers

    - by James
    Usually, I consider a large number of parameters as an alarm bell that there may be a design problem somewhere. I am using a Generic Repository for an ASP.NET application and have a Controller with a growing number of parameters. public class GenericRepository<T> : IRepository<T> where T : class { protected DbContext Context { get; set; } protected DbSet<T> DbSet { get; set; } public GenericRepository(DbContext context) { Context = context; DbSet = context.Set<T>(); } ...//methods excluded to keep the question readable } I am using a DI container to pass in the DbContext to the generic repository. So far, this has met my needs and there are no other concrete implmentations of IRepository<T>. However, I had to create a dashboard which uses data from many Entities. There was also a form containing a couple of dropdown lists. Now using the generic repository this makes the parameter requirments grow quickly. The Controller will end up being something like public HomeController(IRepository<EntityOne> entityOneRepository, IRepository<EntityTwo> entityTwoRepository, IRepository<EntityThree> entityThreeRepository, IRepository<EntityFour> entityFourRepository, ILogError logError, ICurrentUser currentUser) { } It has about 6 IRepositories plus a few others to include the required data and the dropdown list options. In my mind this is too many parameters. From a performance point of view, there is only 1 DBContext per request and the DI container will serve the same DbContext to all of the Repositories. From a code standards/readability point of view it's ugly. Is there a better way to handle this situation? Its a real world project with real world time constraints so I will not dwell on it too long, but from a learning perspective it would be good to see how such situations are handled by others.

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  • Mass renaming, *nix version

    - by Paolo B.
    I was looking for a way to rename a huge number of similarly-named files, much like this one (a Windows-related question) except that I'm using *nix (Ubuntu and FreeBSD, separately). Just to sum up, while using the shell (Bash, CSH, etc.) how do I mass-rename a number of files such that, for example, the following files: Beethoven - Fur Elise.mp3 Beethoven - Moonlight Sonata.mp3 Beethoven - Ode to Joy.mp3 Beethoven - Rage Over the Lost Penny.mp3 will be renamed like these? Fur Elise.mp3 Moonlight Sonata.mp3 Ode to Joy.mp3 Rage Over the Lost Penny.mp3 The reason I want to do this is that these collection of files will go under a directory named "Beethoven" (i.e. the filenames' prefix), and having this information on the filename itself will be redundant.

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  • multiple count Pivot table in Excel

    - by Sivakanesh
    Hi all, I'm trying to put togeter a pivot table from an Excel spreadsheet. The spreadsheets look similar to the following: DeptHead, Emp, Increment x, A, 2.5% x, B, y, C, 1.5% y, D, y, E, 2.0% I would like to make a pivot table that looks like the following; DeptHead, CountOfEmp, CountOfIncrement x, 2, 1 y, 3, 2 So it provides a count of total number of Emps and total number Increments for each DeptHead ignoring the blanks. I have tried to do this in many ways in Pivot table, but the two counts are only appearing in rows and not in columns as above. Is there any way to achieve this please? Thanks

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  • Unity 3D does not work on Dell system with a AMD Radeon HD 6470M

    - by VeeKay
    I am running 64 bit Ubuntu on Dell with 1GB graphic card. I login with "Ubuntu" hoping to see Unity 3d but it doesn't. Unity 2D runs instead. when I type in echo "$DESKTOP_SESSION" it confirms the Unity-2D. I've checked the System info that shows like : The graphics row shows itself as empty. SO I've presumed that the graphic drivers aren't detected and hence I went to Unity- Additional Drivers and installed the fglrx driver that the UI has suggested. Even after installing so, the graphics part in System info details shows nothing and still Unity 2D runs in spite of all the effort. Please help! How can I get my Unity 3D back? Hardware Info Video Card : AMD Radeon™ HD 6470M - 1GB (For ICC) RAM : 6GB (1 X 2GB + 1 X 4GB) 2 DIMM DDR3 1333Mhz OS : 64 bit Ubuntu 11.10 Edit : Output for /usr/lib/nux/unity_support_test -p X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 155 (GLX) Minor opcode of failed request: 19 (X_GLXQueryServerString) Serial number of failed request: 21 Current serial number in output stream: 21

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  • Custom field names in Rails error messages

    - by Madhan ayyasamy
    The defaults in Rails with ActiveRecord is beautiful when you are just getting started and are created everything for the first time. But once you get into it and your database schema becomes a little more solidified, the things that would have been easy to do by relying on the conventions of Rails require a little bit more work.In my case, I had a form where there was a database column named “num_guests”, representing the number of guests. When the field fails to pass validation, the error messages is something likeNum guests is not a numberNot quite the text that we want. It would be better if it saidNumber of guests is not a numberAfter doing a little bit of digging, I found the human_attribute_name method. You can override this method in your model class to provide alternative names for fields. To change our error message, I did the followingclass Reservation ... validates_presence_of :num_guests ... HUMAN_ATTRIBUTES = { :num_guests = "Number of guests" } def self.human_attribute_name(attr) HUMAN_ATTRIBUTES[attr.to_sym] || super endendSince Rails 2.2, this method is used to support internationalization (i18n). Looking at it, it reminds me of Java’s Resource Bundles and Spring MVC’s error messages. Messages are defined based off a key and there’s a chain of look ups that get applied to resolve an error’s message.Although, I don’t see myself doing any i18n work in the near-term, it is cool that we have that option now in Rails.

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  • why the difference in google search result using script for search and using a browser for search

    - by Jayapal Chandran
    I wrote a code to find the position in google search result for a search keyword. I also did the same with the browser. Both the results are different. Let me explain in detail here. I have a website and i wanted to know on which page number my domain appears for a search string. Like when i search for 'code snippets' i wanted to find in google search on which page number a certain domain appears. I wrote a php code to search page by page starting from page 1 to page n. I did the same task using a browser. The script returned page 4 and when browsed i can see the domain appearing in second page. here is the search string i use in my code. /search?hl=en&output=search&sclient=psy-ab&q=code+snippets&start=0&btnG= and for each request i change the start=0 to start=1, start=2, etc... and in the response i will check whether my domain appears in it. any idea for this different in search results?

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  • Why can't windows see mmcblk0p3? [closed]

    - by jacknad
    The partition is created on the embedded linux target like this # n - new # p - partition # 3 - partition 3 # 66 - starting cylinder # <blank> - maximum size for the ending cylinder # t - set file system type # 3 - partition 3 # c - set to windows vfat # w - write partition table and exit echo -e "n\np\n3\n66\n\nt\n3\nc\nw" | fdisk /dev/mmcblk0 The file system is then formatted on the embedded linux target as MS-DOS like this # -n volume-name # -F FAT-size mkfs.vfat -n DB -F 32 /dev/mmcblk0p3 A linux host can mount and access files in mmcblk0p3 without issue. Why can't windows? Edit: Although the default number of FATS is 2 I tried adding -f 2 [number-of-FATs] since this is actually being done by busybox on an embedded platform but this didn't help. I understand the Linux MS-DOS file system does not support more than 2 FATs but there are only 2 on this target (the boot is also FAT which is visible), along with and EXT3 (on p2) for the root file system.

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  • '0' inserted when cross-referencing numbered equations in MSWord 2007

    - by Jyotirmoy Bhattacharya
    I am inserting numbered equations using tables and multi-level lists as described in http://blogs.msdn.com/b/microsoft_office_word/archive/2006/10/20/equation-numbering.aspx I want to cross-reference the equations in my text. To do so I go to Insert-Cross reference and among the "Numbered Items" I pick the equation I wish to refer to. The problem is that if I pick the "Insert reference to" as "Paragraph number" a zero is always inserted into my text. The surprising thing is that the hyperlink in the cross-reference points to the correct equation. Also if I choose "Insert reference to" as "Page number" then the correct page numbers are inserted and they are correctly updated too.

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  • One of the partion on a usb harddisk cannot automount

    - by holmescn
    It is a very strange problem. My usb harddisk has four partitions, one is primary, the other three are logical (contained within an extended partition). When I plug in the disk, three of the partitions are mounted automatically except one--the first logical partition in the extended partition. Initially I thought it is the problem of system (at that time I used Mint). But after I change to Ubuntu 12.04, the problem wasn't solved. I don't want to add a rule in fstab, and I want to know what happened. The disk is fine, and the partition can be accessed in Windows and mounted manually. result of dmesg | tail: [100933.557649] usb 2-1.2: new high-speed USB device number 4 using ehci_hcd [100933.651891] scsi8 : usb-storage 2-1.2:1.0 [100934.649047] scsi 8:0:0:0: Direct-Access SAMSUNG PQ: 0 ANSI: 0 [100934.650963] sd 8:0:0:0: Attached scsi generic sg2 type 0 [100934.651342] sd 8:0:0:0: [sdb] 625142448 512-byte logical blocks: (320 GB/298 GiB) [100934.651977] sd 8:0:0:0: [sdb] Write Protect is off [100934.651989] sd 8:0:0:0: [sdb] Mode Sense: 03 00 00 00 [100934.652836] sd 8:0:0:0: [sdb] No Caching mode page present [100934.652848] sd 8:0:0:0: [sdb] Assuming drive cache: write through [100934.655354] sd 8:0:0:0: [sdb] No Caching mode page present [100934.655367] sd 8:0:0:0: [sdb] Assuming drive cache: write through [100934.734652] sdb: sdb1 sdb3 < sdb5 sdb6 sdb7 > [100934.737706] sd 8:0:0:0: [sdb] No Caching mode page present [100934.737725] sd 8:0:0:0: [sdb] Assuming drive cache: write through [100934.737731] sd 8:0:0:0: [sdb] Attached SCSI disk result of parted -l: Model: SAMSUNG (scsi) Disk /dev/sdb: 320GB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 32.3kB 21.5GB 21.5GB primary ntfs 3 21.5GB 320GB 299GB extended lba 5 21.5GB 129GB 107GB logical ntfs 6 129GB 236GB 107GB logical ntfs 7 236GB 320GB 83.8GB logical ntfs

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  • Excel macro: Replace enitre cell contents; replace 1 but not 10, 11, 21 etc

    - by user65678
    I need to replace a large amount of numbers with words in an Excel spreadsheet. Eg: 1 = hello 12 = goodbye 4 = cat etc. I can do it with the standard search and replace, but i have a large list to work through (about 240 number/word combos), so i figured i would use a macro. I have this: Sub findreplacer() For Each mycell In Range("A1:A1000") mycell.Replace What:="1", Replacement:="hello" mycell.Replace What:="12", Replacement:="goodbye" mycell.Replace What:="4", Replacement:="cat" Next End Sub But it replaces the 1 in 12 so the cell reads hello2 instead of goodbye. How can i make it just affect cells that only contain the specific number, the way 'match entire cell contents' works? Any help appreciated.

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  • How does Google Analytics aggregate the Count of Visits (Frequency & Recency Report)?

    - by Brian Dant
    Here's my simple understanding of Count of Visits: Each person that comes to my site gets one "count" for each visit. They are put into a bucket of people with the same number of total counts -- if you visit twice, you are in the two bucket, if you visit six times, you are in the six bucket. From there, a report (Frequency & Recency) makes a line for each bucket and reaches into the bucket and totals the number of people in that bucket, putting that total in the second column. My Question: Will a two month report automatically put someone into two buckets, and put them on two separate lines in the Count of Visits table? This explaination makes it seem like a two-month long report will put the same person into a bucket twice, one bucket for each month. The two-month report will then show that person's visits on two different lines, instead of aggregating them. Example for Clarification: Bob comes to my site three times in January and seven times in February. I run a report for Jan 1 -- Feb 28. Will Bob be on both the Three Count line and the Seven Count line, or will he be on the Ten Count line?

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  • Personal Software Process (PSP1)

    - by gentoo_drummer
    I'm trying to figure out an exercise but it doesn't really makes to much sense.. I'm not asking someone to provide the solution. just to try and analyse what needs to be done in order to solve this. I'm trying to understand which PSP 1.0 1.1 process I should use. PROBE? Or something else? I would greatly appreciate some help on this one from someone that has experience with the Personal Software Process Methodology.. Here is the question. For the reference case (“code1.c”), the following s/w metrics are provided: man-hours spent in implementation phase (per-module): 2,7 mh/file man-hours spent in testing phase (per-module): 4,3 mh/file estimated number of bugs remaining (per-module): 0,3 errors/function, 4 errors/module (remaining) Based on the corresponding values provided for the reference case, each of the following tasks focus on some s/w metrics to be estimated for the test case (“code2.c”): [25 marks] (estimated) man-hours required in implementation phase (per-module) [8 marks] (estimated) man-hours required in testing phase (per-module) [8 marks] (estimated) number of bugs remaining at the end of testing phase (per-module) [9 marks] Tasks 4 through 6 should use the data provided for the reference case within the context of Personal Software Process level-1 (PSP-1), using them as a single-point historic data log. Specifically, the same s/w metrics are to be estimated for the test case (“code2.c”), using PSP as the basic estimation model. In order to perform the above listed tasks, students are advised to consider all phases of the PSP software development process, especially at levels PSP0 and PSP1. Both cases are to be treated as separate case-studies in the context of classic s/w development.

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  • How to use wget with an input file and filenames

    - by Matt
    i have a text file that contains 10,000 url's with a unique number i want to save the file as. Each line has a 10 character code, then the URL of the image to retrieve. How can I make the input file use the first 10 characters as the wget filename? this is an example of the input file: input.txt x100083590http://image.allmusic.com/13/adg/cov200/drt200/t291/t29123q8m19.jpg b200149548http://ecx.images-amazon.com/images/I/41DoH%2BAWKEL.jpg z100151855http://image.allmusic.com/13/amg/cov200/dri400/i450/i45035hxdrb.jpg p400171646http://ecx.images-amazon.com/images/I/61cH4n34IhL.jpg wget -i input.txt would get the file but not with the preceding unique number. I want t29123q8m19.jpg (the first line) to be saved as x100083590.jpg If there is a better way to write out the input file, say with the URL first, then I can do that too, but I will never know the length of the first field. Right now the first 10 characters will always be what I want to save the wget image as. Edit This is being done in a windows environment.

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  • Oracle Launches Mobile Applications User Experience Design Patterns

    - by ultan o'broin
    OK, you heard Joe Huang (@JoeHuang_Oracle) Product Manager for Oracle Application Development Framework (ADF) Mobile. If you're an ADF developer, or a Java (yeah, Java in iOS) developer, well now you're a mobile developer as well. And, using the newly launched Applications User Experience (UX) team's Mobile UX Design Patterns, you're a UX developer rockstar too, offering users so much more than just cool functionality. Mobile Design Pattern for Inline Actions Mobile design requires a different way of thinking. Use Oracle’s mobile design patterns to design iPhone, Android, or browser-based smartphone apps. Oracle's sharing these cutting edge mobile design patterns and their baked-in, scientifically proven usability to enable Oracle customers and partners to build mobile apps quickly. The design patterns are common solutions that developers can easily apply across all application suites. Crafted by the UX team's insight into Oracle Fusion Middleware, the patterns are designed to work with the mobile technology provided by the Oracle Application Development Framework. Other great UX-related information on using ADF Mobile to design task flows and the development experience on offer are on the ADF EMG podcast series. Check out FXAer Brian 'Bex' Huff (@bex of Bezzotech talking about ADF Mobile in podcast number 6 and also number 8 which has great tips about getting going with Android and iOS mobile app development too.

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  • FTP Synchronization software for Mac or PC

    - by evanmcd
    Hi, I've been using FTP Synchronizer for awhile and generally have had pretty good results with it. But, I've just moved to a Mac full-time (at work as well as home now) so want to get a native client if I can. I've tried the only one that I've found - SuperFlexibleSynchronizer - but it crashed every time I loaded up an FTP to FTP synch attempt. The most important features to me are: 1) ability to synch with a large number of files (thousands), as I generally work on sites with large number of files. 2) FTP to FTP synch. This would be very helpful as I work with some CMS based sites for which users upload files while on staging and don't want to move files locally first before moving live. Thanks! Evan

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  • Windows 7 - Add folder to Explorer Favorites navigation pane from the Command Line

    - by nondescript1
    In Windows 7 is there a way to add a location to the Explorer Favorites navigation pane from the command line? I'm working with systems that are frequently re-imaged, and I would like to automate adding a number of favorite folders to explorer. I imagine these favorites are also stored in the registry. If someone knows where, I could probably automate managing them through the reg command, although this is less than ideal. I've looked at a number of locations related to explorer suggested here, but haven't found them yet. For information on customizing the favorites section of the navigation pane with Explorer, see http://www.howtogeek.com/howto/10357/add-your-own-folders-to-favorites-in-windows-7/

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  • What .NET objects should I use to create a cookie based session in MVC?

    - by makerofthings7
    I'm writing a custom password reset application that uses a validation technique that doesn't fit cleanly with ASP.NET Membership Provider's challenge questions. Namely I need to invoke a workflow and collect information from the end user (backup phone number, email address) after the user logs in using a custom form. The only way I know to create a cookie-based session (without too much "innovation" on my part) is to use WIF. What other standard objects can I use with ASP.NET MVC to create an authenticated session that works with non-windows user stores? Ideally I can store "role" or claim information in the session object such as "admin", "departmentXadmin", "normalUser", or "restrictedUser" The workflow would look like this: User logs in with username and password If the username and pw are correct a (stateless) cookie based session is created The user gets redirected to a HTML form that allows them to enter their backup phone number (for SMS dual factor), or validate it if already set. The user can then change their password using the form provided The "forgot password" would look like this User requests OTP code to be sent to the phone User logs in using username and OTP If the OTP is valid and not expired then create a cookie based session and redirect to a form that allows password reset Show password reset form, and process results.

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  • CISCO WS-C4948-10GE SFP+?

    - by Brian Lovett
    I have a pair of CISCO WS-C4948-10GE's that we need to connect to a new switch that has SFP+ and QSFP ports. Is there an X2 module that supports this? If so, can someone name the part number that will work? I have found some information, but want to make sure I have the correct part number for our exact switches. Per the discussion in the comments, I believe I have a better understanding of things now. Would I be correct in saying that I need these SR modules on the cisco side: [url]http://www.ebay.com/itm/Cisco-original-used-X2-10GB-SR-V02-/281228948970?pt=LH_DefaultDomain_0&hash=item417a8d35ea[/url] Then, on the switch with sfp+ ports, I can pick up an SR to SFP+ transceiver like this: [url]http://www.advantageoptics.com/SFP-10G-SR_lp.html?gclid=CKP4s-G27b4CFXQiMgodLD8AQA[/url] and finally, an SR calbe such as this: [url]http://www.colfaxdirect.com/store/pc/viewPrd.asp?idproduct=1551[/url] Am I on the right track here?

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  • Virtualization or Raw Metal?

    - by THE
    Normal 0 21 false false false DE X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-fareast-language:EN-US;} With the growing number of customers who want to run the Oracles EPM/BI (or other Fusion Middleware Software) in a virtualized environment, we face a growing number of people asking if running Oracle Software within VMware is supported or not. Two KM articles reflect Oracles policy towards the use of VMware: 249212.1 and 475484.1 . The bottom line is: “you may use it at your own risk, but Oracle does not recommend it”. So far we have seen few problems with the use of VMware (other than performance and the usual limitations) but Oracle does not certify its software for the use in VMware (and specifically for RAC Software actively refuses any support) and any issue that may occur will be fixed for the native OS only. It is on the customer to prove that the issue is NOT due to VMware in case that an issue is encountered. See: “Oracle Fusion Middleware Supported System Configurations page” And also “Supported Virtualization and Partitioning Technologies for Oracle Fusion Middleware”

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  • Design for object with optional and modifiable attributtes?

    - by Ikuzen
    I've been using the Builder pattern to create objects with a large number of attributes, where most of them are optional. But up until now, I've defined them as final, as recommended by Joshua Block and other authors, and haven't needed to change their values. I am wondering what should I do though if I need a class with a substantial number of optional but non-final (mutable) attributes? My Builder pattern code looks like this: public class Example { //All possible parameters (optional or not) private final int param1; private final int param2; //Builder class public static class Builder { private final int param1; //Required parameters private int param2 = 0; //Optional parameters - initialized to default //Builder constructor public Builder (int param1) { this.param1 = param1; } //Setter-like methods for optional parameters public Builder param2(int value) { param2 = value; return this; } //build() method public Example build() { return new Example(this); } } //Private constructor private Example(Builder builder) { param1 = builder.param1; param2 = builder.param2; } } Can I just remove the final keyword from the declaration to be able to access the attributes externally (through normal setters, for example)? Or is there a creational pattern that allows optional but non-final attributes that would be better suited in this case?

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  • Build and migrated to software raid (mdadm) on GPT disk, now can't assemble array

    - by John H
    mdadm, gpt issues, unrecognized partitions. Simplified question: How do I get mdadm to recognize GPT partitions? I have been attempting to convert/copy my Ubuntu 11.10 OS from a single drive to software raid 1. I have done similar in the past, but in this case, I was adding in a drive that has been configured for GPT and I tried to work with that without fully looking into the implications. Currently, I have a non-booting mdadm RAID 1 array of /dev/md127 (the OS assigned that and it keeps picking up). I am booting off of live USB keys, currently System Rescue CD from sysresccd. While gdisk and parted can see all the partitions, most of the OS utilities do not, including mdadm. My main goal is just to make the raid array accessible so I can get pull the data and start fresh (without using GPT). /dev/md127 /dev/sda /dev/sda1 <- GPT type partition /dev/sda1 <- exists within the GPT part, member of md127 /dev/sda2 <- exists within the GPT part, empty /dev/sdb /dev/sdb1 <- GPT type partition /dev/sdb1 <- exists within the GPT part, member of md127 History: POINT A: The original OS was install on sda (actually /dev/sda6). I used a the Ubuntu live usb to add sdb. I got warning from fdisk about GPT so I used gdisk to create a raid partition (sdb1) and mdadm to create a raid1 mirror with a missing drive. I had many issues getting this working (including being unable to get grub to install) but I eventually got it to boot using grub on sda and /dev/md127 off of sdb. So at point A, I had copied my OS from sda6 to md127 on sdb. I then booted into a rescue mode and attempted to get a bootloader onto sdb, which failed. I then discovered my mistake: I had installed the raid onto sdb instead of sdb1, essentially overwriting the sdb1 partition. POINT B: I now had two copies of my data- one on md127/sdb, and one on sda. I destroyed data on sda and created a new GPT table on sda. I then created sda1 for the raid array, and sda2 for a scratch partition. I added sda1 into the raid array and let it rebuild. md127 now covered /dev/sdb and /dev/sda1 as fully active and synced. POINT C: I rebooted onto linux rescue again and was still able to access the raid array. I then removed /dev/sdb from the array and created /dev/sdb1 for the raid. I added sdb1 to the array and let it sync. I was able to mount and access /dev/md127 without issues. Once it completed, both /dev/sda1 and /dev/sdb1 were GPT partitions and actively syncing. POINT D (current): I rebooted again to test if the array would boot and grub failed to load. I booted off of my live thumb drive and found that I can no longer assemble the raid array. mdadm doesn't see the required partitions. -- root@freshdesk /root % uname -a Linux freshdesk 3.0.24-std251-amd64 #2 SMP Sat Mar 17 12:08:55 UTC 2012 x86_64 AMD Athlon(tm) II X4 645 Processor AuthenticAMD GNU/Linux === /proc/partitions and parted look good: root@freshdesk /root % cat /proc/partitions major minor #blocks name 7 0 301788 loop0 8 0 976762584 sda 8 1 732579840 sda1 8 2 244181703 sda2 8 16 732574584 sdb 8 17 732573543 sdb1 8 32 7876607 sdc 8 33 7873349 sdc1 (parted) print all Model: ATA ST31000528AS (scsi) Disk /dev/sda: 1000GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 750GB 750GB ext4 2 750GB 1000GB 250GB Linux/Windows data Model: ATA SAMSUNG HD753LJ (scsi) Disk /dev/sdb: 750GB Sector size (logical/physical): 512B/512B Partition Table: gpt Number Start End Size File system Name Flags 1 1049kB 750GB 750GB ext4 Linux RAID raid Model: SanDisk SanDisk Cruzer (scsi) Disk /dev/sdc: 8066MB Sector size (logical/physical): 512B/512B Partition Table: msdos Number Start End Size Type File system Flags 1 31.7kB 8062MB 8062MB primary fat32 boot, lba === # no sda2, and I double the sdb1 is the one shown in parted root@freshdesk /root % blkid /dev/loop0: TYPE="squashfs" /dev/sda1: UUID="75dd6c2d-f0a8-4302-9da4-792cc7d72355" TYPE="ext4" /dev/sdc1: LABEL="PENDRIVE" UUID="1102-3720" TYPE="vfat" /dev/sdb1: UUID="2dd89f15-65bb-ff88-e368-bf24bd0fce41" TYPE="linux_raid_member" root@freshdesk /root % mdadm -E /dev/sda1 mdadm: No md superblock detected on /dev/sda1. # this is probably a result of me attempting to force the array up, putting superblocks on the GPT partition root@freshdesk /root % mdadm -E /dev/sdb1 /dev/sdb1: Magic : a92b4efc Version : 0.90.00 UUID : 2dd89f15:65bbff88:e368bf24:bd0fce41 Creation Time : Fri Mar 30 19:25:30 2012 Raid Level : raid1 Used Dev Size : 732568320 (698.63 GiB 750.15 GB) Array Size : 732568320 (698.63 GiB 750.15 GB) Raid Devices : 2 Total Devices : 2 Preferred Minor : 127 Update Time : Sat Mar 31 12:39:38 2012 State : clean Active Devices : 1 Working Devices : 2 Failed Devices : 1 Spare Devices : 1 Checksum : a7d038b3 - correct Events : 20195 Number Major Minor RaidDevice State this 2 8 17 2 spare /dev/sdb1 0 0 8 1 0 active sync /dev/sda1 1 1 0 0 1 faulty removed 2 2 8 17 2 spare /dev/sdb1 === root@freshdesk /root % mdadm -A /dev/md127 /dev/sda1 /dev/sdb1 mdadm: no recogniseable superblock on /dev/sda1 mdadm: /dev/sda1 has no superblock - assembly aborted root@freshdesk /root % mdadm -A /dev/md127 /dev/sdb1 mdadm: cannot open device /dev/sdb1: Device or resource busy mdadm: /dev/sdb1 has no superblock - assembly aborted

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  • Azure Linux Virtual Machines Price per Hour, Computation or Running?

    - by Arjun Bajaj
    first of all, I couldn't find a StackExchange site on Cloud Computing. I think this is the most appropriate site, because some of you might be using Azure. So I just wanted to know: The Windows Azure Pricing Page shows Linux Virtual Machine Price as $0.013/hr for an extra small VM. The monthly price comes up to about $10. Is this price charged as number of hours of computation done on the VM or number of hours of running the VM? And if I shutdown the VM, will I be charged anything?

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