[OpenIndiana-discuss] ZFS spare disk usage issue

Roy Sigurd Karlsbakk roy at karlsbakk.net
Fri Mar 4 12:06:15 UTC 2011


Hi all

I just did a small test on RAIDz2 to check whether my suspicion was right about ZFS not treating spares as replicas/copies of drives, and I think I've found it true. The short story: If two spares replaces two drives in raidz2, losing a third drive, even with the spares active, makes the pool unavailable. See full report on

ODT: http://karlsbakk.net/ZFS/ZFS%20Spare%20disk%20usage.odt
PDF: http://karlsbakk.net/ZFS/ZFS%20Spare%20disk%20usage.pdf

Vennlige hilsener / Best regards

roy
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Roy Sigurd Karlsbakk
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roy at karlsbakk.net
http://blogg.karlsbakk.net/
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I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk.



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