On 14 Nov at 16:49, Johan Huldtgren <johan+openbsd-m...@huldtgren.com> wrote: > hello, > > On 2020-11-14 13:50, Mischa wrote: > > Hi All, > > > > I am currently in the process of building a large filesystem with > > 12 x 6TB 3.5" SAS in raid6, effectively ~55TB of storage, to serve as a > > central, mostly download, platform with around 100 concurrent > > connections. > > > > The current system is running FreeBSD with ZFS and I would like to > > see if it's possible on OpenBSD, as it's one of the last two systems > > on FreeBSD left. :) > > > > Has anybody build a large filesystem using FFS2? Is it a good idea? > > How does it perform? What are good tests to run? > > > > Your help and suggestions are really appriciated! > > I have a filesystem about that size on my home file server, (5 x 14TB SAS > in raid5 plus a hot spare) the drives are connected to a RAID card, but > then it's just FFS2 on it. It runs reasonably well for home use. Not > spectacular but not so that anyone has any complaints. fsck does take > quite some time to run, but this filesystem was created quite a long time > ago with the then default settings. > > $ dmesg | grep LSI > mfi0: "LSI MegaRAID SAS 9260-8i", firmware 12.15.0-0239, 512MB cache > sd0 at scsibus1 targ 0 lun 0: <LSI, MR9260-8i, 2.13> naa. > > $ df -h /mnt > Filesystem Size Used Avail Capacity Mounted on > /dev/sd0a 50.5T 14.6T 33.4T 30% /mnt
Great to hear! Will give it a go and see how it behaves. Mischa
