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  • Oracle's ZFS Storage Appliance Simulator

    - by Steen Schmidt
    To those of you who has not played with the Oracle's ZFS Storage Appliance, but would like to. You should go an take a look at the Oracle's ZFS Storage Appliance Simulator. You can download this Oracle's ZFS Storage Appliance Simulator here, It will give you a pretty good idear what this unik product is capable of provide for you business.  You can also go and see a demo on how to set the appliance up in Oracle VirtualBox Demo Here. You find Oracle Virtualbox here

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  • Azure Table Storage Creation using Nov 2009 CTP

    - by kaleidoscope
    The new SDK introduces a new class - · The CloudTableClient : This new class enables us to create tables and test for the existence of tables. We need not need use this class for querying table storage, it's   more of an administrative class for dealing with table storage itself.   · Once we have got the account key and the account name from ConfigurationSetting, we can create an instance of the storage credentials and table client classes:   StorageCredentialsAccountAndKey creds = new StorageCredentialsAccountAndKey(accountName, accountKey);     CloudTableClient tableStorage = new CloudTableClient(tableBaseUri, creds);     CustomerContext ctx = new CustomerContext(tableBaseUri, creds);     //where tableBaseUri is the TableStorageEndpoint obtained from ConfigurationSetting Using the table storage class, we can now create a new table (if it doesn't already exist):     if (tableStorage.CreateTableIfNotExist("Customers"))     {        CustomerRow cust = new CustomerRow("AccountsReceivable", "kevin");         cust.FirstName = "Kevin";        cust.LastName = "Hoffman";        ctx.AddObject("Customers", cust);        ctx.SaveChanges();     } For a complete article on this topic please follow this link: http://dotnetaddict.dotnetdevelopersjournal.com/azure_nov09_tablestorage.htm Tinu, O

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  • High Performance Storage Systems for SQL Server

    Rod Colledge turns his pessimistic mindset to storage systems, and describes the best way to configure the storage systems of SQL Servers for both performance and reliability. Even Rod gets a glint in his eye when he then goes on to describe the dazzling speed of solid-state storage, though he is quick to identify the risks....Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • GLP for Pillar Axiom 600 Storage System Implementation Specialist

    - by uwes
    Now availabe at OPN Competency Center. The guided learning path provides you with an overview of the Pillar Axiom 600 storage system, and the technical details that you need to become a Pillar Axiom 600 Storage System Certified Implementation Specialist.  Learn more, go to: Pillar Axiom 600 Storage System Implementation Specialist.

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  • Gladinet Cloud Desktop tool to manage Windows Azure Blob Storage from Windows Explorer

    - by kaleidoscope
    Gladinet Cloud Desktop is designed to make it easier for Windows Azure users to manage Windows Azure Blob storage directly from Windows Explorer. The solution makes it possible for Windows Azure Blob storage to be mapped as a virtual network Drive. “You can map multiple Azure Blob Storage Accounts as side-by-side virtual folders in same network drive. You can do drag & drop between local drive and Azure drive. For more information -  http://www.ditii.com/2010/01/04/gladinet-cloud-desktop-tool-to-manage-windows-azure-blob-storage-from-windows-explorer/ For Downloading the tool – http://www.gladinet.com/p/download_starter_direct.htm   Ritesh, D

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  • Google Storage for Developers, bientôt un nouveau service de stockage pour développeurs : Google veu

    Google va lancer Google Storage for Developers Un service de stockage en ligne dédié aux développeurs pour concurrencer Amazon L'annonce est pour l'instant officieuse mais elle devrait être officialisée lors des interventions du jour à la conférence Google I/O. Non content de proposer des solutions de stockage comme Google Code et Google Docs, Moutain View s'apprête à lancer une nouvelle offre baptisée Google Storage for Developers. Il s'agira d'un service très fortement inspiré d'Amazon S3 (Simple Storage Service), et visiblement destiné à le concurrencer frontalement. Pour mémoire, Amazon S3 est un espace de stockage payant en fonction de la quantit...

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  • Google Cloud Storage Office Hours - 9/5/2012

    Google Cloud Storage Office Hours - 9/5/2012 This session explains how to serve websites directly from Google Cloud Storage (including how to associate your storage resources with a custom domain name), followed by a Q&A session. Demo fun begins at 17:30! The slides (including live demo) can be found here: tinyurl.com From: GoogleDevelopers Views: 164 8 ratings Time: 50:13 More in Science & Technology

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  • Syncing objects to a remote server, and caching on local storage

    - by Harry
    What's the best method of sycing objects (as JSON) to a remote server, with local caching? I have some objects that will pretty much just be plain-text with some extra meta-data. I was thinking of perhaps including a "last modified date" for both Local storage and Remote storage. This could then be used to determine which object is the most recent. For example, even though objects will be saved to both local and remote when they are saved, sometimes the user may not have internet access, or the server may be down, or any other number of things. In this case, the last modified date for remote storage would be reverted to its previous date. Local storage would remain as it is. At this point, the user could exit the application, and when they reload the application would then look at the last modified dates of the local and remote storages, and decide. Is there anything I'm missing with this? Is there a better method that I could use?

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  • Windows Phone 7 Isolated Storage Explorer

    - by help.net
    WP7 Isolated Storage Explorer is a tool designed to help developers and testers interact with the isolated storage file for Silverlight Windows Phone 7 applications. The explorer can work both as a desktop application for testers or integrated in Visual Studio for developers. Whenever a WP7 application/project involves storing data locally the the device, it will be to the isolated storage file. A common difficulty is accessing the data for testing or rapidly restoring the application's data/state...(read more)

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  • Would this data requirement suit a Document -Oriented database?

    - by codecowboy
    I have a requirement to allow users to fill in journal/diary entries per day. I want to provide a handful of known journal templates with x columns to fill in. An example might be a thought diary; a user has to record a thought in one column, describe the situation, rate how they felt etc. The other requirement is that a user should be able to create their own diary templates. They might have a need for a 10 column diary entry per day and might need to rate some aspect out of 50 instead of 10. In an RDBMS, I can see this getting quite complicated. I could have individual tables for my known templates as the fields will be fixed. But for custom diary templates I imagine I would would need a table storing custom_field_types (the diary columns), a table storing entries referencing their field types (custom_entries) and then a third custom_diary table which would store rows matching custom_entries to diaries. Leaving performance / scaling aside, would it be any simpler or make more sense to use a document oriented database like MongoDB to store this data? This is for a web application which might later need an API for mobile devices.

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  • ??????Sun ZFS Storage Appliance?????????????????·?????????

    - by Norihito Yachita
    ??????????????·????????Sun ZFS Storage 7320 Appliance??????????????????????????????????????IaaS(Infrastructure as a Service)???????????????????????????????????????????????????????? ???????????11?15?????????????4,000?????????????????????????????????????????????????????????·??????????????????????????????? ???????????????????????????????????????????????????????????????????????????????????????????????????InfiniBand???????????????????Sun ZFS Storage 7320 Appliance?????2011?5??????????6????????????????????????Sun ZFS Storage 7320 Appliance???????·???????

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  • SAS Expanders vs Direct Attached (SAS)?

    - by jemmille
    I have a storage unit with 2 backplanes. One backplane holds 24 disks, one backplane holds 12 disks. Each backplane is independently connected to a SFF-8087 port (4 channel/12Gbit) to the raid card. Here is where my question really comes in. Can or how easily can a backplane be overloaded? All the disks in the machine are WD RE4 WD1003FBYX (black) drives that have average writes at 115MB/sec and average read of 125 MB/sec I know things would vary based on the raid or filesystem we put on top of that but it seems to be that a 24 disk backplane with only one SFF-8087 connector should be able to overload the bus to a point that might actually slow it down? Based on my math, if I had a RAID0 across all 24 disks and asked for a large file, I should, in theory should get 24*115 MB/sec wich translates to 22.08 GBit/sec of total throughput. Either I'm confused or this backplane is horribly designed, at least in a perfomance environment. I'm looking at switching to a model where each drive has it's own channel from the backplane (and new HBA's or raid card). EDIT: more details We have used both pure linux (centos), open solaris, software raid, hardware raid, EXT3/4, ZFS. Here are some examples using bonnie++ 4 Disk RAID-0, ZFS WRITE CPU RE-WRITE CPU READ CPU RND-SEEKS 194MB/s 19% 92MB/s 11% 200MB/s 8% 310/sec 194MB/s 19% 93MB/s 11% 201MB/s 8% 312/sec --------- ---- --------- ---- --------- ---- --------- 389MB/s 19% 186MB/s 11% 402MB/s 8% 311/sec 8 Disk RAID-0, ZFS WRITE CPU RE-WRITE CPU READ CPU RND-SEEKS 324MB/s 32% 164MB/s 19% 346MB/s 13% 466/sec 324MB/s 32% 164MB/s 19% 348MB/s 14% 465/sec --------- ---- --------- ---- --------- ---- --------- 648MB/s 32% 328MB/s 19% 694MB/s 13% 465/sec 12 Disk RAID-0, ZFS WRITE CPU RE-WRITE CPU READ CPU RND-SEEKS 377MB/s 38% 191MB/s 22% 429MB/s 17% 537/sec 376MB/s 38% 191MB/s 22% 427MB/s 17% 546/sec --------- ---- --------- ---- --------- ---- --------- 753MB/s 38% 382MB/s 22% 857MB/s 17% 541/sec Now 16 Disk RAID-0, it's gets interesting WRITE CPU RE-WRITE CPU READ CPU RND-SEEKS 359MB/s 34% 186MB/s 22% 407MB/s 18% 1397/sec 358MB/s 33% 186MB/s 22% 407MB/s 18% 1340/sec --------- ---- --------- ---- --------- ---- --------- 717MB/s 33% 373MB/s 22% 814MB/s 18% 1368/sec 20 Disk RAID-0, ZFS WRITE CPU RE-WRITE CPU READ CPU RND-SEEKS 371MB/s 37% 188MB/s 22% 450MB/s 19% 775/sec 370MB/s 37% 188MB/s 22% 447MB/s 19% 797/sec --------- ---- --------- ---- --------- ---- --------- 741MB/s 37% 376MB/s 22% 898MB/s 19% 786/sec 24 Disk RAID-1, ZFS WRITE CPU RE-WRITE CPU READ CPU RND-SEEKS 347MB/s 34% 193MB/s 22% 447MB/s 19% 907/sec 347MB/s 34% 192MB/s 23% 446MB/s 19% 933/sec --------- ---- --------- ---- --------- ---- --------- 694MB/s 34% 386MB/s 22% 894MB/s 19% 920/sec 28 Disk RAID-0, ZFS 32 Disk RAID-0, ZFS 36 Disk RAID-0, ZFS More details: Here is the exact unit: http://www.supermicro.com/products/chassis/4U/847/SC847E1-R1400U.cfm

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