Articles about linux recovery (0-50 of 578)

  • Keys To Unlock The Problem Of Linux Corruption
    By: Andrew Simons | - Linux is a popular and widely used operating system among millions of users around the globe. Due to its open source code, it has been so popular among the users. The open source code signifies that the underlying source code can be modified and redistributed in both commercial as well as non-commercial applications. Despite of having numerous application based functionalities and massive popularity, Linux operating system suffers from data loss problem. The data loss may come forward in the for ...
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  • Boot Errors And Linux Data Recovery Solution
    By: jonny defh | - In case of a Linux operating system based computer, sometimes, the system fails to boot following any unsystematic system shut down. The reason can be anything from a possible file system corruption to an operating system malfunction, but at the end of everything, it is your valuable data in the drive, that has been inaccessible and you need to run any Linux data recovery software to recover them back.

    Boot errors are always critical, as once you encounter those errors, your system ...

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  • Data Recovery Linux Utility To Recover Your Data In Case Of Hard Drive Crash
    By: jonny defh | - Most of the Linux operating systems are open source applications and are regularly modified in order to safe-guard the system against any new threat in the form of viruses, malwares or other technical drawbacks. An user can witness new changes and improvements in Linux almost every day. In spite of all the good things, still there are occasions, which lead to the loss or inaccessibility of valuable data from your Linux system. Among such instances of data loss, hard drive crash is one. Hard driv ...
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  • Corruption Of Fstab And Mtab Files And Available Linux Recovery Solutions
    By: jonny defh | - However advanced the technology may be and whatever precautions we may take, data loss is almost inevitable. Though Linux operating system is often improved upon its previous versions than any of its counterparts, still there are a number of reasons, for which data can be lost in a Linux operating system based computer. In a Linux computer, the fstab (/etc/fstab) and mtab (/etc/fstab) are the two most crucial directories. Without these directories, the operating system could not be able to locat ...
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  • Recovering Linux System After Using "fsck" On A Mounted System
    By: jonny defh | - In the Linux operating system, the fsck is a useful utility that scans the file system for consistency and integrity. It is usually run automatically at the startup if the system detects that it is in an inconsistent state. It checks and repairs the file systems and bad sectors. Although this utility is useful in its own right, it has got some drawbacks as well. For example, if you run fsck on a mounted Linux system then it could lead to system corruption and data loss. In such cases, you should ...
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  • Any Instance Of Data Loss In Your Linux Hard Drive-solution Available
    By: jonny defh | - Among the tech geeks, Linux operating system based computers are considered more robust and safe in terms of data security, as the Linux versions are more often updated with technology changes. Moreover, their frequent upgradation, keeps them comparatively free from virus/ malware intrusion. These are the few points backing the LINUX systems against some of the usual problems and thereby loosing valuable data. However, hard drive of a Linux based computer, the major physical component that store ...
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  • Creating And Manipulating The Linux Volumes Can Cause Data Loss
    By: jonny defh | - You can effectively manage your valuable data on Linux hard drive by dividing it into various logical disks, known as volumes. Every hard drive volume works as a different hard drive and can be used to store various kinds of data. Every volume has a file system, which can be Ext4, Ext3, Ext2, or any other Linux-supported file system. The volumes are managed in partition table, which is stored the first sector of hard drive. In case the structure or file system of a Linux volume gets damaged, it ...
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  • Recovering Corrupted Linux System After "fscking" A Mounted System
    By: jonny defh | - In the Linux operating system, fsck is a useful utility that scans the file system for consistency and integrity and on finding errors repairs them. It usually runs automatically at the time of startup if the system detects that the file system is in an inconsistent state. This utility runs both in interactive and non-interactive mode. Although this utility is pretty useful, at times it may backfire as well. For example, if you run fsck on a mounted Linux system then it could lead to system corr ...
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  • Recovering File System In Linux 4
    By: jonny defh | - The Linux system is one of the most used operating systems in the world. It is an open source operating system that is much more secure than other operating systems. It is also very economical as it can be set up even with obsolete hardware components such as i386 or i486 processor. The Linux system also provides you the freedom to administer your system by taking care of the look & feel and also the applications that need to be installed, etc.

    However, at times the Linux system get ...

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  • "mount Error"" After Power Down In Redhat Computer
    By: jonny defh | - Similar to all other operating systems, Linux can also become unbootable at next start after an unexpected power outage. The reason for such a behavior is that such events can directly affect the metadata of your root partition and damage it eventually. During such situations, if the user loses data because of unavailability of proper data backup, Linux Recovery utilities can help.

    In order to particularize the unexpected power outage problems, here is a realistic problem. Suppose y ...

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  • Resolving "make Says, Error 139" Error In Linux Computer
    By: jonny defh | - Like other computer operating systems, Linux also indicates system problems in the form of error messages. The problems may occur at startup or while working on your system. In some error messages, the actual cause of the problem and possible solution is provided. However, some errors do not contain any suggestions. They just include some codes.

    The error messages generally occur due to problems with system data structures, system files, and other resources, which make your system a ...

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  • Scsi Crc Boot Errors May Cause Data Loss In Linux
    By: jonny defh | - Booting errors are very common in Linux operating system, which makes your system unbootable and unusable. The errors prevent your system from booting and render it totally inaccessible. They prove to be a big threat to your precious data. Such errors usually occur after unexpected system shutdown and hard drive data structure corruption.

    Losing data from hard drive in such situations creates big problems for your business. So, you need to restore data from the latest backup to prev ...

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  • Recovering Lost Files From Ext3 File System In Linux
    By: jonny defh | - The ext3 (third extended file system) is a file system used by Linux kernel. It is a journaled file system, which is a default file system for many Linux distributions. Its major advantage over the ext2 file system, its predecessor, is journaling that improves the reliability of the file system. It also minimizes the need to check the file system after an abrupt shutdown. Also, because of journaling there are no fragments in the file system. So, ext3 is a very efficient and smart file system. Ho ...
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  • Resolving "jbd: No Valid Journal Superblock Found" Error In Linux
    By: jonny defh | - Ext3 (Third Extended File System) is a journaling and advanced file system, used for the Linux operating system. If your system faces improper system shutdown or system crash, file system journaling empowers endues it to recover without losing data. Ext3 file system contains a number of significant data structures and Superblock is one of them. It stores critical data about file system, such as type of file system, size of file system, file system mount status, and information about all other ha ...
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  • How To Fix "unable To Resolve Uuid" Error In Linux
    By: jonny defh | - Modern distributions of Linux operating systems use UUID (Universally Unique Identifier) to uniquely identify hard drive or other data storage devices, in place of the conventional block names like /dev/sdb and /dev/hda1. It is due to the fact that UUID is never modified, even if the hard drive is switched. It is stable as compared to traditional methods, and prevents system failure and need of Linux Data Recovery solutions.

    UUID is a 128-bit string that is used for making the Linu ...

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  • Damaged Disk Labels May Cause Data Loss In Linux
    By: jonny defh | - In Linux operating system, the hard drive volumes are mounted by the disk labels, in place of the device paths. It is a quite effective approach because the disk path and name can get changed when you boot your system and so can create a number of complications for your system. Therefore, the labels are assigned to Linux volumes so that they can mount at correct place. But in some situations, the disks can not be mounted and accessed due to disk label corruption and you come across critical data ...
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  • Improper Use Of Fdisk And Dd Command May Cause Data Loss In Linux
    By: jonny defh | - The hard drives can be divided in one or more parts, known as partitions. The division of hard drive is described in partition table, stored in sector 0 of hard drive. Linux operating system requires at least one hard drive partition, namely for the root file system. It may use the swap files and swap partitions, however the latter are quite efficient. Thus, generally you may want second Linux hard drive partition devoted as the swap partitions. In some cases, improper use of hard drive manageme ...
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  • Linux Data Recovery Through Ext3grep Utility
    By: jonny defh | - The Linux file systems are extremely powerful and they work great, particularly the Ext3 file system. It is an extremely robust and mature file system. The file system remains consistent even after a system crash or unexpected power failure. In such cases, you need not to perform long hard drive checks for repairing the file system. There is no possibility of disk fragmentation and a number of more advanced feature and direct deletion of files is one among them. When you delete a file, it is not ...
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  • Block Group Descriptor Leads To Data Loss In Linux
    By: jonny defh | - Ext2 is widely used and powerful file system of Linux operating system. It provides high-level security, reliability, and data management. Space in the Ext2 file system is split into blocks, and managed into the block groups, correspondent to the cylinder groups in UFS (Unix File System). Every Block Group contains a data structure that describes it, known as Block Group Descriptor. However, in case of corruption to the Block Group Descriptor, you may come across file system corruption and data ...
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  • How To Fix 'ext2-fs: Group Descriptors Corrupted' Error In Linux?
    By: jonny defh | - In Linux operating system, the file system stores all critical information about files located on hard drive. Without file system, operating system can not located and access data from the hard drive as the operating system accesses file system pointer to locate data. Thus, for proper working of your system, the file system should remain free from corruption or any other problems. In the else case, you come across data loss situations and you need to go for Linux Data Recovery to extract data fr ...
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  • Direct Alteration Of Unionfs Branch May Cause Data Loss In Linux
    By: Allen Sood | - For easy and effective management of your valuable data in Linux, it could be useful to use related but varying set of files on separate memory locations. You, however, might prefer to see the relevant files together. In such cases, unioning the file system allows you to keep these files separate physically, but merge them logically in single view. This is possible through UnionFS command.

    The union file system is a combination of two or more file systems to create illusion of sing ...

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  • Use Of Mkfs Command On Raid-enabled Linux Computer May Cause Data Loss
    By: mnkstllr | - RAID (Redundant Array or Independent Disks) devices are the virtual devices that are created from more than one real block devices. It enables multiple devices (generally hard drive) to be combined in single device to hold single file system. In Linux, MD (Multiple Devices) device driver is used to implement the software RAID devices. For this purpose, mdadm is used. It is a program, which could be used for creating, monitoring and managing MD devices. In some situations, you might come across R ...
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  • Lost Clusters, Invalid Files Or Directories And Cross Linked Files Cause Data Loss In Linux
    By: mnkstllr | - Linux file systems like Ext4, Ext3, Ext2 and ReiserFS are used to organize files and directories on your hard drive. The working of all these Linux files systems are same as all other computer file systems. But if you encounter some odd symptoms such as lost clusters, cross linked files, or the invalid directories and files, they indicates file system corruption and renders all of your critical data inaccessible from hard drive. It results into critical data loss and need Linux Data Recovery to ...
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  • Root Inode Corruption Cause Data Loss In Linux
    By: mnkstllr | - In Linux and other Unix-like operating system, you can detect and repair hard drive errors using fsck command. This command runs in 5 phases. In the first phase, it checks data blocks and their size while in second phase file and directory pathnames are checked. In the remaining three phases, the connectivity, file reference counts and the cylinder groups are examined respectively. If in the second phase, fsck disk checking process fails, you might come across critical disk corruption situations ...
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  • Resolving "ext2-fs: Group Descriptors Corrupted" Error In Linux
    By: mnkstllr | - In Linux operating system, file system stores all of the critical information about files located on the hard drive. Without file system, operating system can not locate files stored on hard drive and thus they can not be accessed.

    This is the top priority for an operating system to ensure that file system is intact. It should not be corrupted for proper accessing of data. Otherwise, all of your critical data on the hard drive would become inaccessible and you come across data loss ...

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  • Linux Data Recovery When Partition Table Gets Damaged
    By: mnkstllr | - Modern computers allows you to install two or more operating systems on single hardware. This configuration is known as Multi-boot (generally called dual-boot). You can use features of different operating systems and can work independently on them. In some situations, where you use dual-boot configuration with Linux operating system, you may face serious issues of system metadata structure corruption that leads to serious data loss. At this point, it become essential to go for Linux Data Recover ...
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  • Interrupted Fsck Operation Causes Data Loss In Linux
    By: mnkstllr | - In Linux operating system, fsck is a useful utility that helps you to check file system integrity and fix the errors. It is helpful particularly in case of file system corruption, dirty system shutdown and operating system related issues. When improper system shutdown happens, fsck runs when you reboot the system and check file system integrity. But if fsck process gets terminated due to improper system shutdown or power failure, you might come across serious data loss issues. In such circumstan ...
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  • Improper Mounting Of File System Cause Failure And Data Loss In Linux
    By: mnkstllr | - In Linux operating system, you should arrange to mount root file system as read-only to start with at boot time. If required then remount the file system in read/write mode. Most of the Linux distributions follow this process. If your operating system does not do this, you must read the documentation and then find out how to set your file system to follow this process. You are required to specify -n option to mount the file system so that it does not try to update the /etc/mtab directory, otherw ...
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  • Resolving "mounting Unchecked File System" Error In Linux
    By: mnkstllr | - Dirty system shutdown or improper system shutdown is a common problem with computer system. It affects every computer operating system including Linux. The improper system shutdown generally occurs due to system crash or power outages. This behavior generally affects the computer file system and results into serious data loss situations. File system corruption renders all of your valuable data inaccessible and require Linux Data Recovery to retrieve lost, missing and inaccessible data from affec ...
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  • Rectifying "superblock Corrupted, Run With -b 32768" Error In Linux
    By: mnkstllr | - In Linux operating system, you can re-size the hard drive volumes with preservation of your critical data stored on the volume, using Gparted utility. It can also be used for creating, moving and removing hard drive volumes. In some situations, resizing the hard drive volume might cause serious problems of data loss. Unsuccessful operation of disk resizing might render the disk volumes and stored data inaccessible. In these cases, you are required to opt for effective and powerful Linux Data Rec ...
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  • Converting Linux File System From Ext3 To Ext4
    By: mnkstllr | - The Ext4 (Fourth Extended File System) is an advanced and effective journaling file system that is developed as successor of Ext3 file system. It provides high performance and removes 64-bit storage limits of earlier file systems. The file system supports backward compatibility with the Ext3 and Ext2 file systems. Thus it is possible to mount Ext2 and Ext3 file system as Ext4. To gain benefit of these advanced features, you need to migrate file system from Ext3 to Ext4. Before migrating the file ...
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  • How To Troubleshoot Linux Error ' Cannot Execute "/etc/init.d/boot'?
    By: Allen Sood | - Linux boot process is inclusive of several steps. The last steps of this boot procedure in init process, identified by id '1'. When starting the system, init starts system processes, which have been defined in

    /etc/initab file. Init starts several instances of getty that wait for console logins. However, if the process experiences any fault or interruption, it fails and the boot process doesn't proceed further. Also, you cannot access the data that is stored on your hard disk. You ...

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  • Resolving Ext3 Error: No Journal On Filesystem
    By: mnkstllr | - Ext3 is a journaled file system and maintains a journal file to prevent instances of metadata corruption due to unexpected power outage. Due to its wide testing base and relative simplicity, the file system is considered to be safer than its counterparts. But it is not completely immune to crashes. At times, when using a Ext3 formatted drive, you might receive errors suggesting that system doesn't find any journal on the file system. As a solution, you might be compelled to reinstall the syste ...
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  • Inaccessible Linux Partitions After Using Mksf.ext3
    By: Allen Sood | - mksf.ext3 is a Linux command that allows you to create a Linux file system (ext3), generally in a hard disk partition. When executing the command, you need to specify the device name the file system should reside on. The command creates the file system with ext3 journal. If you execute this command on a system attached with multiple hard drives (for example, in RAID), it is recommended to specify the device name carefully. Failing to do so might result into data loss instances, such as inaccessi ...
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  • Bad File Descriptor Error In Linux
    By: Allen Sood | - In a Linux system, files, blocks, directories, sockets and other items are referred by corresponding file descriptors. If your system is reporting errors that the file descriptor is bad, one of possible causes is that file system is corrupt and thus, you require restoring from backup. But if backup is not valid enough to restore complete information, you need to use advanced Data Recovery Linux applications.

    As an instance, you might encounter the below error message with your Linu ...

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  • Resolving Linux Error ' Reiserfs Superblock Cannot Be Found'
    By: jonny defh | - Linux file system is described by a special metadata structure, called Superblock. It defines different attributes, such as size of inode table, file system type, total size of file system, mount status, list of free data blocks and others. Linux maintains multiple copies of superblock to prevent unmountable file system state due to superblock corruption. You can restore the system using these alternate superblocks. If you fail to do so, you will require to restore from the most recent data back ...
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  • "'˜can't Find A Reiserfs File System' Linux Error
    By: Allen Sood | - Linux superblock is responsible for holding general information about the file system. An Ext3 file system is different from a ReiserFS file system because they have dissimilar file system type, size and mount status defined in their corresponding superblocks. Among other information, superblock also contains information about other file system metadata structures. This information is used by file system manager to maintain the integrity of file system. Just in case if file system gets corrupted ...
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  • Solving Linux Boot Error: 'not Init Found'
    By: mnkstllr | - All the system processes that execute on a Linux-based system root from init. While booting, it is the last step performed that is identified by process id '1'. Linux references /etc/ inittab file to start these system processes. Init also controls the processes and sequence while shutting down the system.


    While booting the system if you find errors that system cannot boot further as it could not find init, odds are that the initrd file is corrupted. In critical situation ...

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  • "'˜cannot Open Root Device' Linux Boot Error
    By: Allen Sood | - Root device refers to the device from which a Linux system boots from. While booting if you are getting errors that system cannot access or open the root device, you might need to install a fresh copy of operating system. Thus, you are always suggested to maintain a good data backup of all valuable information you have stored. In such situations, you probably loose data and if backup fails to restore, you will need to use Linux Data Recovery software to scan and restore the data.

    ...

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  • Grub Error 15 In Linux
    By: Allen Sood | - When you start a Linux system, BIOS first select the boot device and load the boot sector. Further, it looks to load the kernel image, after which the setup code runs to execute the Kernel. If your system is prompting that it cant find the kernel image, the system will fail to boot. One of the probable reasons for this behavior is boot partition corruption. It leads to data inaccessibility and to restore data completely, it is crucial that you have valid data backup. Thus you are always ...
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  • "'˜file System With Errors, Check Forced' Linux Error And Recovery
    By: jonny defh | - Linux supports various file systems like Ext2, Ext3 and ReiserFS. The latter two file systems support file system journaling, hence are less prone to file system corruption (as compared to Ext2) due to unexpected shutdown. Besides, unexpected system shutdown, other causes that could corrupt these file systems are improper use of terminal commands, insufficient disk resources, user errors etc. While such situations, you cannot access your stored data and to restore it, you should use your recent ...
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  • Geom Error In Linux
    By: jonny defh | - When you boot your Linux system, GRUB (GRand Unified Bootloader) proceeds in few stages. Your system boots successfully if all these phases complete without any errors. But sometimes, you observe that Linux system halts and an error message is printed at stage 1. In such situations, you fail to access stored data and need to restore lost information from backup. However, if data backup is damaged, incomplete, or is not available, Linux Data Recovery applications can be used as recovery solutions ...
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  • "'˜unable To Read Inode Block' Linux Error
    By: Allen Sood | - Linux systems use ext2, ext3 and reiserFS file systems in general. For all these file systems, inode is a significant metadata structure. Inode keeps record of each file or directory on the drive together with of other metadata structures. For accessing any of files, directories or file system objects, system takes reference from its inode. Inode keeps information like file size, file permissions, file creation and modification details, Access Control List, file type and all such information tha ...
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  • Linux: Mount Fails And Can't Read Mounted File Systems Table
    By: jonny defh | - fstab and mtab are two important files, found on Linux systems.

    fstab: The file is also sometimes referred as file systems table or /etc/fstab. It is meant to list all the available disk partitions and disks. It also includes information about how these disks and partitions are integrated into file system of Linux. Its corruption sometimes leads to Linux Data Recovery needs.

    mtab: Also known as mounted file systems table, it enlists mounted file syst ...

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  • Ext3 File System Corruption In Linux
    By: jonny defh | - Ext3 is the most popular file system used in Linux operating system. This is the most efficient and fast Linux file system. It was the first journaled Linux file system. It is the default file system for some of the popular Linux flavours. The Ext3 file system has several data structures for storing the file system information.

    The popular name for these file system data structures are also known as metadata structures. The important metadata structures contained in the Ext3 file ...

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  • Linux Operating System Errors And Resolution
    By: Allen Sood | - Linux is the most popular operating system so far as security and performance is concerned .It is a Unix-like operating system and is the best example of open source development and free software; generally all underlying Linux source code can be modified, redistributed and used freely by anyone. Red Hat Enterprise Linux 5.2 is the latest version of Linux operating system.

    As we all know every operating system has its demerits or failures and can give errors at any time with out a ...

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  • Reiserfs Partition Corruption And Linux Recovery
    By: jonny defh | - ReiserFS is an advanced and journaled file system used in Linux. When ReiserFS was first introduced, it offered major capabilities that were not available in existing Linux file system and its later developments enhanced its popularity. Where features like Tail packing and journaling somehow contributes to avoid Linux Data Recovery issues, they also make it a good performance file system. So, ReiserFS partitions offer maximum performance in data retrieval by offering for fast and safe data acces ...
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  • What To Do When Superblock Recovery Fails
    By: jonny defh | - The Superblock is the most important part of a Linux computer that contains the basic information about file system like its size, its type etc. This information allows file system manager to maintain the file system.

    Generally the superblock stored in the Block Group 0 is read by the operating system when file system is mounted, but every Block Group stores a copy of superblock. This copy can be used to restore the superblock if primary superblock gets corrupted.

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  • "root Inode Is Not A Directory" Error In Linux
    By: jonny defh | - The disk check command in Linux, fsck, runs in five phases. The first phase is to check the data blocks and its size while in second one, this check for the pathnames. Then in the subsequent phases, connectivity, reference counts and cylinder groups are checked respectively. If at the second phase, in which the pathnames are checked, the fsck fails, the situation could be drastic.

    This can happen due to inode issues. You may get error messages like:

    Root inode i ...

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  • Gzip, Tar And Data Backup Drawbacks In Linux
    By: jonny defh | - Among the existing operating systems, Linux is one of the safest one. The design of the operating system is to keep all the data ongoing, the data loss is not an exception. The common data loss issues like system faults and user errors raise Linux recovery situations. So this is always recommended to keep an extra copy of the sensitive and relevant data.

    Backups are done to the storage media different from the initial one and many tools would help you in this regard such as gzip a ...

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