From mboxrd@z Thu Jan 1 00:00:00 1970 From: xerofoify@gmail.com (Nick Krause) Date: Thu, 21 Aug 2014 00:18:42 -0400 Subject: Help with btrfs project In-Reply-To: References: <33643.1408535442@turing-police.cc.vt.edu> <53F4D9F0.9050200@gmail.com> <1408580487.17932.28.camel@thorin> Message-ID: To: kernelnewbies@lists.kernelnewbies.org List-Id: kernelnewbies.lists.kernelnewbies.org On Wed, Aug 20, 2014 at 10:47 PM, Nick Krause wrote: > On Wed, Aug 20, 2014 at 8:21 PM, Bernd Petrovitsch > wrote: >> On Mit, 2014-08-20 at 17:25 -0400, Nick Krause wrote: >>> On Wed, Aug 20, 2014 at 1:58 PM, Sudip Mukherjee >>> wrote: >> [...] >>> > i asked a few questions . why dont you answer them and show every one that >>> > you can. >>> I may have deleted your email but , please send me your questions and >> >> It is *your* fault if *you* delete *your* mails, so fix it *youself* >> and don't (try to) push effort to others - as you do from mail #2. >> >> How should *you* fix *your* immediate failure: Google the mails *you* >> deleted or just search and find it one of the various archives of the >> LKML. >> >> Sorry, you wasted too much time and bandwidth of everyone .... >> >> Bernd >> -- >> "I dislike type abstraction if it has no real reason. And saving >> on typing is not a good reason - if your typing speed is the main >> issue when you're coding, you're doing something seriously wrong." >> - Linus Torvalds >> > The areas for Sudip's questions are below. > 1. Btrfs is suppose to replace ext4 as the default Linux file system > due to ext4 having no > features like sub volumes and build in compression. Over all due it's > great features ZFS > still is the default choice in the enterprise and data center space, > but btrfs hows to challenge > the reigning king and make btrfs the default, Oracle developers > started this file system as > their was no good file system on Linux with features like ZFS. > 2. Btrfs allows for unlimited files due to dynamic inode creation and > not a fixed inode count. > In addition in supports sub volumes and build in compression using > certain compression > algorithms. In addition most of it's design is build for large COW file systems. > 3. Journaling is the ability of a file system to keep a log of data > and if the file system is not > in a known good state , the file system will roll back the file system > to the last known good > state, mostly thought of as the file system log. > 4. Btrfs does support this in a basic form but not as a tested and > tried fsck online check for > enterprise or critical workloads. > Nick