[zfs-discuss] Seagate 3TB ST3000DM001 as raidz with or whithout ashift

Gordan Bobic gordan.bobic at gmail.com
Sat May 26 13:38:41 EDT 2012


I cannot see why it would cause a problem, but note that I don't use 
Ubuntu/Debian at all so cannot confirm it from that side.

Gordan

On 05/26/2012 04:54 PM, johannes amorosa wrote:
> Thank you for help
> Another question I wan't to dualboot (Centos 5.4 and Ubuntu 12.04). Do
> you see any problem
> automounting the same pool? (nonroot and never at the same time).
> TY
>
> On 26 May 2012 15:28, Gordan Bobic <gordan.bobic at gmail.com
> <mailto:gordan.bobic at gmail.com>> wrote:
>
>     I would recommend using ashift=12 on all setups with a long expected
>     service life. Cometh time to replace failed disks, you might only be
>     able to get ones with 4K sectors.
>
>     johannes amorosa <johannes.amorosa at googlemail.com
>     <mailto:johannes.amorosa at googlemail.com>> wrote:
>
>      >Hi List,
>      >I bought 3x Seagate 3TB ST3000DM001 disks and I wan't to use them as a
>      >raidz.
>      >I still don't understand if I have to use ashift=12? Could someone
>      >enlighten me.
>      >Performance would be good, but resilience > performance.
>      >
>      >zpool create -o ashift=12 -m /silo silo raidz /dev/sdb /dev/sdc
>     /dev/sdd
>      >
>      >(ubuntu 12.04 dariks ppa)
>      >
>      >Thank you
>      >johannes
>
>
>
>
> --
> ++++++++++++++
> johannes amorosa
> twitter: jamorosa
> http://iamnotamus.de
> http://iaredigital.net
>
>



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