[OpenIndiana-discuss] Hitachi 4 TB disks + HP Microserver + OI 151 + ZFS

Roy Sigurd Karlsbakk roy at karlsbakk.net
Sun Apr 29 15:29:02 UTC 2012


> As for using Advanced Format disks with 4K sectors in ZFS pools, the
> worst
> case scenario would be that these disks can be used in a
> backwards-compatible legacy 512 byte sector format but with slower r/w
> performance. Also, Hitachi provide a Windows utility to re-align 4k
> sectors on their drives although I'm not sure whether this would suit
> OI/ZFS.

The Windows tool certainly does not work on OI.

> Finally, it looks like OI has some support for 4k sector disks:
> 
> http://wiki.openindiana.org/pages/viewpage.action?pageId=4883847
> 
> and ZFS pools can be created with the 'zpool create block-size 4096
> ...'
> option.

The patch allowing this option was, for various reasons, rejected, and no such option currently exists.

Vennlige hilsener / Best regards

roy
--
Roy Sigurd Karlsbakk
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roy at karlsbakk.net
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