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Archive for September, 2009

Recovering from a compressed ZFS root pool

Thursday, September 24th, 2009

Opensolaris and ZFS are great, but not without their limitations. A more recent addition is that Solaris can boot from a zpool, but not if you compress it or raidz it. Only single drives or mirrors, and no compression. A good practice is to setup your root pool for the system, then setup a separate […]

xVM (xen) poor VMDK file performance with ZFS and SATA drives

Thursday, September 24th, 2009

We recently setup an xVM server on a new blade running 24Gig ram and 3 500 gig SATA hard drives. We installed Linux as a Paravirtualized client and we were off. ** A quick note, this post is geared towards those who have poor IO performance running xVM, ZFS, and SATA drives. We have an […]

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