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On 26.03.2010 20:04, Slack-Moehrle wrote:
>
>
>>> So if I have 8 x 1.5tb drives, wouldn't I:
>
>>> - mirror drive 1 and 5
>>> - mirror drive 2 and 6
>>> - mirror drive 3 and 7
>>> - mirror drive 4 and 8
>
>>> Then stripe 1,2,3,4
>
>>> Then stripe 5,6,7,8
>
>>> How does one do this with ZFS?
>
>> So you would do:
>> zpool create tank mirror drive1 drive2 mirror drive3 drive4 mirror drive5
>> drive6 mirror drive7 drive8
>
>> See here:
>> http://www.stringliterals.com/?p=132
>
> So, effectively mirroring the drives, but the pool that is created is one
> giant pool of all of the mirrors?
>
> I looked at: http://en.wikipedia.org/wiki/Non-standard_RAID_levels#RAID-Z and
> they had a brief description of RAIDZ2.
>
> Can someone explain in terms of usable space RAIDZ vs RAIDZ2 vs RAIDZ3? With
> 8 x 1.5tb?
>
> I apologize for seeming dense, I just am confused about non-stardard raid
> setups, they seem tricky.
raidz "eats" one disk. Like RAID5
raidz2 digests another one. Like RAID6
raidz3 yet another one. Like ... hmmmm...
//Svein
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