Disks

stressdisk

This was written a few weeks ago and I just noticed today that it had not been published. Following on from I bought a new nvme drive – or did I?, I ran stressdisk on it. [dvl@test ~]$ sudo gpart add -a 4k -t freebsd-zfs nvd0 nvd0p1 added [dvl@test ~]$ gpart show nvd0 => 34

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I bought a new nvme drive – or did I?

Bought a new NVMe drive. Installed it using cheap PCIe adaptor bought off Amazon. From /var/run/dmesg.boot nvd0: NVMe namespace nvd0: 244198MB (500118192 512 byte sectors) Surprisingly, the device is already partitioned. [dvl@test ~]$ gpart show nvd0 => 34 500118125 nvd0 GPT (238G) 34 500118125 – free – (238G) [dvl@test ~]$ Eh, is is this a

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Creating a 4 drive ZFS zpool: stripe over mirrors

In this post, I am creating a 4 drive ZFS pool consisting of two mirror. In this post: I’m booting from mfsBSD 12.1 ZFS Creating partitions On FreeBSD, it is convention to create partitions. It is not necessary, but I don’t use all the space in case a future replacement drive is slightly smaller than

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