HBA

Dell R720 flashing Dell PERC H710 mini into IT mode

Dell PowerEdge Servers are common in #homelab use. The hardware gets sold after it goes out of warranty and they get dumped. Most of the disk cards in these servers come flashed for use with RAID and RAID only. Never use a RAID card with ZFS. Always give ZFS direct access to the drives. I […]

Dell R720 flashing Dell PERC H710 mini into IT mode Read More »

Adding a zroot pool to an existing system

Current FreeBSD versions will allow you to create a zroot zpool from which you can boot. However, when I created the main zpool for slocum (on Fri May 3 2:16 2013), that option did not exist. You might ask: how do I know that date? [dan@slocum:~] $ zfs get creation system NAME PROPERTY VALUE SOURCE

Adding a zroot pool to an existing system Read More »

After replacing 3TB drive with 5TB drive, FreeBSD 10.3 system did not reboot

I started replacing 3TB drives with 5TB drives in a 10 drive raidz3 array on a FreeBSD 10.3 box. I was not sure which drive tray to pull, so I powered off the server, and, one by one, pulled the drive tray, photographed it, and reinserted the drive tray. No changes were made. The first

After replacing 3TB drive with 5TB drive, FreeBSD 10.3 system did not reboot Read More »

Scroll to Top