Google announces intent to acquire Alooma to simplify cloud migration

Bigger companies across every industry are currently moving towards the cloud and this enables more agile, secure and scalable ways of managing the IT Systems. Regardless where your data is stored in on premises or cloud, or even multiple cloud platforms, we want to ensure that information is accessible, valuable, and actionable.

That’s why today we’re announcing our intent to acquire Alooma, a leader in data migration. Alooma helps enterprise companies streamline database migration in the cloud with an innovative data pipeline tool that enables them to move their data from multiple sources to a single data warehouse.

Since Google Cloud, we’re committed to helping enterprise customers easily and securely migrate their data to our platform. The addition of Alooma, subject to closing conditions, is a natural fit that allows us to offer customers a streamlined, automated migration experience to Google Cloud, and give them access to our full range of database services, from managed open source database offerings to solutions like Cloud Spanner and Cloud Bigtable. This simplified migration path also opens the door for customers to take advantage of all the technologies we have to offer, including analytics, security, AI and machine learning.  

Reference: https://cloud.google.com/blog/topics/inside-google-cloud/google-announces-intent-to-acquire-alooma-to-simplify-cloud-migration

Why Data recovery is almost impossible from an over written Hard-Drive

credit: pixabay.com

Presently, Data loss is inevitable and happens almost all the time. With the Data Recovery Market place, data recovery is possible. Not all data recovery solution out there is possible of recovery lost data, by careful selection and reviews, you should be ineveitable to select a suitable product.
Note: Recovery of any lost data is only possible is the data has not been over written and this is because the operating system does not retain any previous trace once it is overwritten.

What Happens When You Delete a File
Windows (and other operating systems) keep track of where files are on a hard drive through “pointers.” Each file and folder on your hard disk has a pointer that tells Windows where the file’s data begins and ends. When you delete a file, Windows removes the pointer and marks the sectors containing the file’s data as available. From the file system’s point of view, the file is no longer present on your hard drive and the sectors containing its data are considered free space. However, until Windows actually writes new data over the sectors containing the contents of the file, the file is still recoverable. A file recovery program can scan a hard drive for these deleted files and restore them. If the file has been partially overwritten, the file recovery program can only recover part of the data. Note that this doesn’t apply to solid-state drives (SSDs)

Therefore, deleted or overwritten data is possible and recoverable only when data does not get deleted itself (despite having it deleted from the recycle bin), only the sector where the information is stored is removed. Digital Information (data) Information is stored in the form of bytes and each of these bytes includes 8 bits. The value of these bits is either 0 and 1. Therefore, all information stored on your PC is in the binary code of 0’s and 1’s. Data saved to HD are non-volatile and magnetic, the reason being that you require no power to maintain the saved data and each magnet has plus and minus pole representing the binary code.

How data is Saved in Random Access Memory

The manner in which information is stored is always the same i.e. Binary Code. The idea is that RAM is an amalgam of integrated circuits including Transistors and Capacitors, and even they save data in bits form. The principal difference here is the Storage type is volatile. Therefore, when power s removed, information is lost.

What to do when you notice Data Loss ‘Deleted Files’

If you’ve accidentally deleted a file and need to get it back, there are some things you should bear in mind:

  • You should recover the file as soon as possible: As Windows continues to write files to your hard drive, the chances of it overwriting the deleted files increases. If you want to be sure you can recover the file, you should perform a recovery immediately.
  • You should try to use the hard drive as little as possible: The best way to recover a deleted file from a hard drive is powering the computer down immediately after the file is deleted, inserting the hard drive into another computer, and using an operating system running on another hard drive to recover it. If you try to recover a file by installing a file-recovery program on the same hard drive, the installation process and normal use of the hard drive can overwrite the file.

Why Data Recovery is Impossible from an Overwritten Hard Drive.

Hard Drive Recovery from Overwritten Hard Drive is impossible as it is an irreversible process. The reason being, when you overwrite the data, you magnetise the HDD magnetic domains. Hence, you physically eliminate Data formerly saved on the location. Indeed, few residual physical changes traces are left behind in magnetisation and can assist in Partial Restore. But, it demands usage of Magnetic Force Microscope and probability of successful Data Recovery is almost negligible.

Source: [1][2]

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