So is the general consensus that there are no modern SBCs powerful enough to run nextcloud on (apache, mariadb, php) or a mail server (typical postfix, dovecot, opendkim, SpamAssassin etc... ) for a handful of people? That seems hard to believe.
-- Steven Mainor On August 8, 2019 12:14:23 PM EDT, Jonas Smedegaard <jo...@jones.dk> wrote: >Quoting Reco (2019-08-08 17:25:02) >> Hi. >> >> On Thu, Aug 08, 2019 at 04:54:17PM +0200, Jonas Smedegaard wrote: >> > > > > Then Intel stopped making desktop boards and I wanted ZFS. >ZFS >> > > > > wants ECC memory. It was time to migrate to server hardware. >> > > > >> > > > My understanding is that ZFS's need / desire for ECC is >> > > > something of a myth. It's certainly true that many ZFS / >FreeNAS >> > > > *users* have such a need, but the filesystem itself apparently >> > > > doesn't: >> > > > >> > > > >https://jrs-s.net/2015/02/03/will-zfs-and-non-ecc-ram-kill-your-data/ >> > > >> > > To summarize: if you're running ZFS, it can protect you from lots > >> > > of sources of data corruption. It can't protect you from RAM >> > > errors without ECC, so you should opt for ECC if integrity is >your >> > > goal. >> > > >> > > None of the other filesystems protect you against RAM errors >> > > either, so this is not a special requirement of ZFS. >> > >> > ECC memory is rare among ARM SBCs, but Helios4 uses ECC memory! >> >> ... with the only problem being the quantity of such RAM. >> >> A typical Helios4 board has whopping 2Gb of RAM, which is about 4 >> times lower than needed for comfortable ZFS usage (assuming that >zpool >> size is measured in terabytes) and a user intends to run something >> more than a OS kernel and sshd. That estimation deliberately excludes > >> all advanced ZFS features (such as compression, encryption and >> deduplication). >> >> IMO for such RAM sizes it's better to use old trusted MDRAID, LVM, >> ext4 and a new kid on the block - dm-integrity (all the needed tools >> are in buster, but some assembly is required). > >For the record I did not recommend using ZFS on low-end hardware. > >The OP asked for advice in buying low-end ARM-based hardware for use as > >server, and I pointed out that one ARM SBC (likely the only relatively >cheap one) is known to use ECC memory - which (as the previous poster >pointed out) is interesting _independently_ of choice of filesystem. > >Personally I use ext4 with journaling enabled, on either conventional >rotating disks, SSDs, or sdcards (no RAID involved). > > > - Jonas > >-- > * Jonas Smedegaard - idealist & Internet-arkitekt > * Tlf.: +45 40843136 Website: http://dr.jones.dk/ > > [x] quote me freely [ ] ask before reusing [ ] keep private
