Nss Volume Unbootable Post Grub Boot Parameter Modification

GRUB (Grand Unified Boot Loader), an important element used to load Novell operating system

, consists of certain parameters specific to a few hardware. These parameters can be changed both temporarily and permanently. However, it is always safe to first change boot parameters temporarily. And if the changes are successful, only then, you should make them permanent. While changing the boot parameters is frequently done to resolve many problems, it can also result in unmountability of your system. This primarily happens when you make improper changes in the boot parameters, and store it permanently. In such situations, the volume becomes unmountable, leading to inaccessibility of data. To overcome such cases and to access data, you need to restore data from an updated backup. However, if backup file is unreadable or deficient, then you will need to opt for a commercial Novell Data Recovery software.

To illustrate the above problem, consider, you perform some frequent and permanent changes in the GRUB boot loader parameters (editing menu.lst file). After doing so, when you attempt to boot your system, it hangs. The data saved in the NSS volume becomes inaccessible after the volume becomes unbootable.

Grounds of the Issue:

The root cause for the unbootable system is improper and frequent changes in the GRUB boot loader values.

Prevention: Never make frequent changes in the GRUB boot loader parameters.

Resolution:

To overcome the above situation and to access the data saved saved in the NSS volume, you need to:

Rebuild the volume and restore data from an updated backup.

In case of absence of an adequate backup, you need to opt for a third-party Novell Software to recover your data.

A Novell Software employs powerful scanning mechanisms to scan volume and recover all kinds of lost files and folders. These files can be of any size or type. These recovery utilities are completely safe and risk-free. Downloaded from the Internet, these tools can be used even by a non-technical user.

Stellar Phoenix Novell Data Recovery is a secure, fast, and powerful recovery tool performs Novell Recovery from almost all hard drives, including IDE, EIDE and SCSI. The tool can be installed on Windows 7, Vista, XP, and 2000 operating systems. It also performs recovery of data when Rebuild command fails to repair corrupted NSS volumes.

by: Pavan sharma

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