Sponsored Content
Full Discussion: lzjb compression in ZFS
Operating Systems Solaris lzjb compression in ZFS Post 302373950 by sushma pawar on Monday 23rd of November 2009 02:47:46 AM
Old 11-23-2009
lzjb compression in ZFS

Hi all,

I am working on a project based on ZFS. The aim of this project is to read the raw data on disk for data recovery purpose. I started by reading the ZFS documentation of Sun Solaris. I somehow reached UBERBLOCK array of first partiton, and now as given in the document I am reading the block pointers and trying to reach the meta object set. I am getting some structure after I read the Block pointers offset in UBERBLOCK and doing some calculation on that, but I am not sure of the structure. I Want to know about the exact calculations required to reach meta object set and reading the compressed bytes of meta object set. Thanks in advance.
 

8 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

file compression

Is it possible to unzip / compress a file that was zipped using WinZip? thanks, kristy (2 Replies)
Discussion started by: kristy
2 Replies

2. UNIX for Dummies Questions & Answers

.z file compression

Hello, I have a .z file which i understand to be UNIX. I'm on PC (no UNIX boxes) and have tried many different unzipping programs to extract this .z file, but only PicoZip has allowed me to view what is inside (telling me, i think, that it's not corrupt), but i have not been able to extract... (3 Replies)
Discussion started by: Gonecat
3 Replies

3. UNIX for Dummies Questions & Answers

Un-compression types...

Hi Folks, As I am familiar wih both types compresion forms: gun-zip and .rpm. My questions is how do I uncompress gunz.zip type? As the .rpm I can double click and it will extract...Can someone shed some light on this and thank you... M (2 Replies)
Discussion started by: Mombo_Z
2 Replies

4. Shell Programming and Scripting

How to avoid CR after compression

Hi all, I am having few files which needs to be concted into a single file and then it is compressed and FTPed from the UNIX server to the Windows server. For the above purpose i am using gzip command to compress the files after concetenation. And i am FTP ing the compressed file in the... (3 Replies)
Discussion started by: Codesearcher
3 Replies

5. AIX

Tape compression

Hello everyone I want to use compression in my tape when I backup some file. For example I have several files that use 50gb. If I backup this I need to use two cartridge because without compression I can backup 36gb. My question is with flag I need to use to compress and I can use 72gb in... (2 Replies)
Discussion started by: lo-lp-kl
2 Replies

6. Shell Programming and Scripting

Folder compression

Hi Guys, totally new to scripting. I have a huge list of foleders. I want to tar the contents of each folder inside the same folder and the name of the tar file is the same name as the folder. how would I go about this in scirpt? cheers Viper (3 Replies)
Discussion started by: brownviper1966
3 Replies

7. Shell Programming and Scripting

file compression

I'am looking for script (or tool) that would compress all files with given extension in all subdirectory. Important part is that every one file have to end in separate archive whit it's own name. Eaven if I could point multiple file in one directory and compress them it would be ok. I' am... (1 Reply)
Discussion started by: Demerzel
1 Replies

8. Linux

Best Compression technique ?

Hi all, I am working on a sample backup code, where i read the files per 7200 bytes and send it to server. Before sending to server, i compress each 7200 bytes using zlib compression algorithm using dictionary max length of 1.5 MB . I find zlib is slow. Can anyone recommend me a... (3 Replies)
Discussion started by: selvarajvss
3 Replies
MooseX::ClassAttribute::Trait::Class(3) 		User Contributed Perl Documentation		   MooseX::ClassAttribute::Trait::Class(3)

NAME
MooseX::ClassAttribute::Trait::Class - A trait for classes with class attributes VERSION
version 0.27 SYNOPSIS
for my $attr ( HasClassAttributes->meta()->get_all_class_attributes() ) { print $attr->name(); } DESCRIPTION
This role adds awareness of class attributes to a metaclass object. It provides a set of introspection methods that largely parallel the existing attribute methods, except they operate on class attributes. METHODS
Every method provided by this role has an analogous method in "Class::MOP::Class" or "Moose::Meta::Class" for regular attributes. $meta->has_class_attribute($name) $meta->get_class_attribute($name) $meta->get_class_attribute_list() These methods operate on the current metaclass only. $meta->add_class_attribute(...) This accepts the same options as the Moose::Meta::Attribute "add_attribute()" method. However, if an attribute is specified as "required" an error will be thrown. $meta->remove_class_attribute($name) If the named class attribute exists, it is removed from the class, along with its accessor methods. $meta->get_all_class_attributes() This method returns a list of attribute objects for the class and all its parent classes. $meta->find_class_attribute_by_name($name) This method looks at the class and all its parent classes for the named class attribute. $meta->get_class_attribute_value($name) $meta->set_class_attribute_value($name, $value) $meta->set_class_attribute_value($name) $meta->clear_class_attribute_value($name) These methods operate on the storage for class attribute values, which is attached to the metaclass object. There's really no good reason for you to call these methods unless you're doing some deep hacking. They are named as public methods solely because they are used by other meta roles and classes in this distribution. BUGS
See MooseX::ClassAttribute for details. AUTHOR
Dave Rolsky <autarch@urth.org> COPYRIGHT AND LICENSE
This software is Copyright (c) 2013 by Dave Rolsky. This is free software, licensed under: The Artistic License 2.0 (GPL Compatible) perl v5.18.2 2013-03-28 MooseX::ClassAttribute::Trait::Class(3)
All times are GMT -4. The time now is 03:04 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy