09 February, 2021

Setting up zpool scrub every 2 months

So scrubbing ZFS: Giving ZFS a moment to sit down and think about its behavior. It should happen now and again, but if everything is going smooth sailing we tend to forget to do this; With the ever increasing amount of ZFS servers around, it tends to be a hassle, so this is a perfect […]

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zfs on linux

25 March, 2020

Sharenfs on ZFS and mounting with autofs

ZFS has this less documented feature, called share[nfs|smb]; I tried it once, it “did not work on first attempt”™ So I ignored it; However now we faced an issue where we normally exported ZFS volumes using /etc/exports (NFS); and mounted using /etc/fstab; but got an empty directory where there was a “sub” zpool volume; This […]

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zfs on linux

20 March, 2019

Create ZFS Raidz2 pool

This is a quick howto, I made a raidz2 pool on ZFS, its very similar to how to create a mirror. find out what disks you are giving to the pool : [email protected]:~# fdisk -l /dev/sd* | grep Disk Disk /dev/sda: 9.1 TiB, 10000831348736 bytes, 19532873728 sectors Disk /dev/sdb: 9.1 TiB, 10000831348736 bytes, 19532873728 sectors […]

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06 February, 2019

Understanding ZFS : Checksum

Ever wondered what kind of checksum ZFS uses to check for bit rot ? Probably not, but it turns out you can change the used algorithm. However like most settings, the defaults are chosen by smart people. So changing it might not be doing you any favors. As it turns out, the default checksum used […]

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19 April, 2017

ZFS quota

zfs on linux

28 March, 2017

ZFS replace a broken disk

zfs on linux

08 March, 2017

Create a ZFS mirror pool

zfs on linux

17 February, 2017

Install ZFS on Centos

zfs on linux
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