Category Archives: File Systems

High-availability storage with GlusterFS on Ubuntu

This tutorial shows how to set up a high-availability storage with two storage servers (Ubuntu 9.10) that use GlusterFS. Each storage server will be a mirror of the other storage server, and files will be replicated automatically across both storage … Continue reading

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Google to switch to EXT4

Google is apparently in the process of migrating their current EXT2 file-systems over to the more current EXT4 file-system (Ubuntu 9.10 uses it by default) Phoronix reports This was brought up in a JFS benchmarking discussion. Google’s Michael Rubin shared … Continue reading

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Gluster enhances open-source clustered NAS

Gluster adds data storage management, virtual server support to open-source clustered NAS Gluster is joining a recent wave of emerging vendors adding enterprise storage management features to clustered network-attached storage (NAS) systems based on commodity hardware with this week’s release … Continue reading

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New FreeBSD Foundation Project: HAST

The FreeBSD Foundation has announced that is funding a new funded project: HAST “Pawel Jakub Dawidek has been awarded a grant to implement storage replication software that will enable users to use the FreeBSD operating system for highly available configurations … Continue reading

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FreeNAS Bash script for ZFS scrubbing

Gimpe has put together a bash script to automatically run a script at predifined intervals to do a scrub on each ZFS pool. Please note, this will only run on FreeNAS 0.7 (not on the 0.6x series as it doesn’t … Continue reading

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Boot on BTRFS With Debian

howtoforge.com has uploaded a tutorial to boot a BTRFS filesystem on Debian This tutorial will explain you how to boot from a BTRFS filesystem with kernel 2.6.31-RC4 and BTRFS 0.19. BTRFS is a new filesystem with some really interesting features … Continue reading

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btrfs: a brief comparison with ZFS

lwn.net has an overview of the history of the btrfs filesystem (wikipedia link). He also touches on the  difference and similarities between btrf and ZFS, Sun’s Zetabyte File System, something that I was most intersted in: “People often ask about … Continue reading

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SUN ZFS Triple-Parity RAID-Z

The standard in the RAID industry for storage is RAID-6, with recovery from a double drive failure. But it’s not going to be good enough as disk capacities increase, prolonging failed disk rebuild times and so lengthening the window of unrecoverable … Continue reading

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The Btrfs file system (ZFS vs btrfs)

H-online has an interesting post explaining Btrfs, the designated “next generation file system” for Linux: Btrfs, the designated “next generation file system” for Linux, offers a range of features that are not available in other Linux file systems – and … Continue reading

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