Recovering From a Failed ZFS Root Mirror Disk Recovering From a Failed ZFS Root Mirror Disk

Posted by smokris on 2010.11.14 @ 18:13

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Hypothetical. Say, for example, you’ve got a ZFS mirror on disk0 and disk1, from which your Nexenta system boots. A year or two later, disk0 crashes, and starts spewing messages such as the following:

 ahci: [ID 860969 kern.warning] WARNING: ahci0: ahci_port_reset port 0 the device hardware has been initialized and the power-up diagnostics failed

Shortly thereafter there’s a storm and the power goes out for several hours and drains your entire humongous UPS, and when the power finally comes back on, the system won’t boot — it stops at the grub prompt; issuing a standard boot command fails. [more...]

A Tale of Two Chairs A Tale of Two Chairs

Posted by mradcliffe on 2010.02.13 @ 11:11

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It was the best of products and it was the worst of products. It was a tale of one man trying to find an affordable chair.

Several years back I shopped at WalMart and bought a card table with four folding chairs for around $50. I was really disappointed because I didn’t think a card table would be worth more than $30 or so. This story however is not about the card table, but about chairs. [more...]