Info s3blkdev is a gateway between an S3 compatible storage and Linux network block devices. On its frontend side it acts as an NBD server, which serves block devices (read: virtual hard disks) to the Linux kernel. On its backend side it synchronizes these virtual hard disks to an S3 compatible storage. Virtual hard disks are split into small and compressed pieces called chunks. Most recently used
An SBX container exists both as a normal file in a mounted file system, and as a collection of recognizable blocks at a lower level. SBX blocks have a size sub-multiple/equal to that of a sector, so they can survive any level of fragmentation. Each block have a minimal header that include a unique file identifier, block sequence number, checksum, version. Additional, non critical info/metadata are
I'd like to argue that both ZFS and BTRFS both are incomplete file systems with their own drawbacks and that it may still be a long way off before we have something truly great. Both ZFS and BTRFS are two heroic feats of engineering, created by people who are probably ten times more capable and smarter than me. There is no question about my appreciation for these file systems and what they accompl
Bash script to format a block device (hard drive or Flash drive) in UDF. The output is a drive that can be used for reading/writing across multiple operating system families: Windows, macOS, and Linux. This script should be capable of running in macOS or in Linux. Formats a block device (hard drive or Flash drive) in Universal Disk Format (UDF) UDF revision 2.01 used for maximal compatibility (see
I haven't used a desktop email client in years. None of them could handle the volume of email I get without at least occasionally corrupting my mailbox. Pine, Eudora, and outlook have all corrupted my inbox, forcing me to restore from backup. How is it that desktop mail clients are less reliable than gmail, even though my gmail account not only handles more email than I ever had on desktop clients
TestDisk is OpenSource software and is licensed under the terms of the GNU General Public License (GPL v2+). TestDisk is powerful free data recovery software! It was primarily designed to help recover lost partitions and/or make non-booting disks bootable again when these symptoms are caused by faulty software: certain types of viruses or human error (such as accidentally deleting a Partition Tabl
On June 2021, we’re hosting a month of Ceph presentations, lightning talks, and unconference sessions such as BOFs
October 10, 2012 This article was contributed by Neil Brown When a techno-geek gets a new toy there must always be an urge to take it apart and see how it works. Practicalities (and warranties) sometimes suppress that urge, but in the case of f2fs and this geek, the urge was too strong. What follows is the result of taking apart this new filesystem to see how it works. f2fs (interestingly not "f3s
libguestfs tools for accessing and modifying virtual machine disk images Downloads For source see the downloads directory. In Fedora or Red Hat Enterprise Linux: sudo yum install libguestfs-tools On Debian/Ubuntu: sudo apt-get install libguestfs-tools Open a disk image: guestfish --ro -i -a disk.img Other distros, compiling from source ... Documentation Frequently Asked Questions (FAQ) and recipes
Note: This page is part of the documentation for my GPT fdisk program. GPT is a very flexible partitioning scheme with many advantages over the older MBR system. (For details, see the What's a GPT? section of this document.) GPT does have one glaring problem, though: compatibility. Some OSes, particularly older ones, have limited or no GPT support. When using such an OS, an ugly, flaky, and downri
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