I've encountered a massive, unexplained loss of available space immediately after expanding a RAIDZ2 vdev from 4 to 5 disks. The physical space allocated (ALLOC) is now almost exactly double the ...

In a saga that brings to mind the hype and incidents with ReiserFS, [SavvyNik] takes us through the latest data corruption bug report and developer updates regarding the BcacheFS filesystem in the ...

The latest version of OpenZFS offers RAID expansion, plus faster data deduplication donated by iXsystems. The code will be available very soon in the beta of TrueNAS SCALE 25.04. OpenZFS release 2.3.0 ...

I have one pool containing two raidz2 vdevs. One vdev has 8 x 8TB hdds, the other 8 x 14TB hdds. Now the problem is, that I observe data distribution is not equally balanced between the two vdevs.

In earlier coverage pitting ZFS against Linux kernel RAID, some readers had some concerns that we had missed some tricks for mdraid tuning. In particular, Louwrentius wanted us to retest mdadm with ...

This has been a long while in the making—it’s test results time. To truly understand the fundamentals of computer storage, it’s important to explore the impact of various conventional RAID (Redundant ...

FreeNAS is working a bit differently than Openfiler when it comes to configuring iSCSI connection to ESXi host. When I finished building my homelab recently, I at first tested several distributions ...

There are a myriad of filesystems available for Linux. So why try a new one? They all work, right? They’re not all the same, and some have some very distinct advantages, like ZFS. ZFS is awesome. It’s ...