Monthly Archive for December, 2008

ZFS en Linux

Este fin de semana he instalado ZFS on FUSE/Linux para probar ZFS en mi servidor Linux:

  • ZFS en Wikipedia:

    ZFS is a file system designed by Sun Microsystems for the Solaris Operating System. The features of ZFS include support for high storage capacities, integration of the concepts of filesystem and volume management, snapshots and copy-on-write clones, continuous integrity checking and automatic repair, RAID-Z and native NFSv4 ACLs. ZFS is implemented as open-source software, licensed under the Common Development and Distribution License (CDDL).

  • ZFS features:
    • Pooled Storage Model
    • Always consistent on disk
    • Protection from data corruption
    • Live data scrubbing
    • Instantaneous snapshots and clones
    • Fast native backup and restore
    • Highly scalable
    • Built in compression
    • Simplified administration model

Tampoco he tenido tiempo de probar mucho, pero espero poder investigar un poco mas:


alegrome# lsb_release -d
Description:    Debian GNU/Linux 4.0 (etch)

alegrome# uname -a
Linux alegrome 2.6.18-6-686 #1 SMP Mon Aug 18 08:42:39 UTC 2008 i686 GNU/Linux

alegrome# zpool status -v
  pool: zpool01
 state: ONLINE
 scrub: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        zpool01     ONLINE       0     0     0
          mirror    ONLINE       0     0     0
            hde3    ONLINE       0     0     0
            hdg3    ONLINE       0     0     0

errors: No known data errors

alegrome# zfs list
NAME               USED  AVAIL  REFER  MOUNTPOINT
zpool01            134K  5.60G    21K  /zfs
zpool01/incoming    18K  5.60G    18K  /zfs/incoming
zpool01/tmp         18K  5.60G    18K  /zfs/tmp

Los planes de Google para dominar la información

All about Google
View SlideShare presentation or Upload your own. (tags: google strategy)

Muy interesante.

No conocia Google Friends Connect.

Tampoco sabia que Google grababa e indexaba las voces de la gente que llama al servicio gratuito de informacion Google 411 para alimentar una BD de voces y en el futuro hacer Speech-to-Text: permitit busquedas de texto en los videos (de Google Video, YouTube,…). Lo flipo:

In reality, Google’s 411 service is about training a powerful speech-to-text engine that will one day find itself in things like video search. The more sample audio they have (people looking for businesses), the more accurate their system will become.

(Mas en GOOG-411 isn’t what you think).

WinDirStat+Portable

WinDirStat+Portable

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