Nov 29, 2016 · You can create virtual devices (vdevs) from disks, partitions or files. Each vdev can be created with different redundancy: basic (no redundancy), mirrored (1 to N disks can …

Oct 7, 2014 · There are similar commands/processes for other RAID's; e.g., LSI/dell PERC raid cards call this "patrol read." These go read everything, which may help the disk drives find …

Aug 6, 2024 · Reshaping a RAID-Z to a different RAID-Z Level is not possible. As explained by Shane, you have to determine the RAID-Z level on creation. the RAID level cannot be …

Is RAID-Z as bad as R5, no. Is it as good as R1 or R10, usually no. RAID-Z is aware of blank spots on the drives, where R5 is not. So RAID-Z only has to read the areas with data to …

May 18, 2015 · (I have successfully moved a 3 drive RAID-Z1 pool from OpenSolaris to FreeBSD.) Other comments: ZFS offers more than redundancy. It has other features that …

Jul 21, 2009 · Doesn't any standard RAID (such as RAID 1 & RAID 5) setup require that all of the drive be the same size? It is xRAID and other custom RAID setups that support things like …

Jun 19, 2012 · Create a pool with 2 drives and a sparse file (of the right, virtual size to match the other drives), and then immediately offline the sparse file. This will create a degraded RAID-Z1 …

Mar 20, 2016 · If you want RAID-Z2, use a minimum of four drives, but keep in mind that you lock in the number of drives in the vdev at the time of vdev creation. Currently, the only way to grow …

Basically you don't want to use RAID 5 (RAID Z1) if you are using anything larger than 2TB drives. There are some other factors to consider that may prompt you to increase your level of …

Jan 30, 2020 · I have a server using proxmox (6.1) with VM living in a ZFS RAID1 called DATARAID. I have a new hard disk to use there, and I want to expand to RAIDZ-1, that seems …