zfs

ZFS root using Debian GNU/kFreeBSD

    

For a while now FreeBSD had ZFS included. Since 8.x, revision 28 is available. The thing is, I don’t really like the FreeBSD package management ; but I love Debian’s one. Here’s the way to provide a stable Kernel with a decent system management on a powerful filesystem. The installation is done on a virtual machine. The multiple disk configuration has no really use here either than looking at how to do it.

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Share UFS and ZFS on FreeBSD 9

    

On my way for a new experiment, I want to share a UFS and a ZFS partitions on a single disk using FreeBSD 9. Although it is a quite arguable configuration, it is quite simple achieve.

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Providing a Nexenta iSCSI target to an ESXi initiator

    

Here’s the deal: create a ZFS volume on the Nexenta server, share it as iSCSI and attach it using the software iSCSI initiator from ESXi 5.

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Booting FreeBSD from ZFS

    

Here are my notes on how to configure a full ZFS-based FreeBSD system. In this particular case, the system is “FreeBSD 9.0-CURRENT #0: Thu May 12 15:34:46 UTC 2011” and it runs on a Dell Inspiron Mini 1012 (Intel Atom N450) with 1GB of RAM. This is just a P.O.C. as it is said that ZFS would required at least 2GB of RAM to perform nicely.

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ZFS explained and demoed (briefly)

    

ZFS may be Yet Another File System. To me, ZFS is Zee File System brought by Sun Solaris. It is remarkable because it comes with numerous interesting features. To name a few: redundancy, checksum, compression, deduplication, snapshots. This article is a kind of cheat sheet on what is ZFS, how it is organized and how to build a consistent storage area using this particular file system. It is mostly an attempt to clarify and write down what I read about ZFS and how it has to be used to achieve various storage goals.

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