On 04.10.2019 21:37, Ian Lepore wrote: > On Fri, 2019-10-04 at 13:27 -0600, Warner Losh wrote: >> On Fri, Oct 4, 2019, 1:07 PM Dennis Clarke <dclarke_at_blastwave.org> wrote: >> >>> On 10/4/19 10:05 AM, Andriy Gapon wrote: >>>> >>>> Does anyone use ZFS with a 32-bit kernel, that is also not i386 ? >>>> If you do, could you please let me know? Along with uname -rmp output. >>>> Thank you! >>>> >>> >>> I don't know if that has even been attempted by anyone. The ZIL and ZFS >>> log comonents require substantial amounts of memory and I am not aware >>> of anyone with arm devices that have 8GB+ of memory. I have had FreeBSD >>> current on RISC-V running fairly well with ZFS however that was a purely >>> rv64imafdc architecture. >>> >> >> In the FreeBSD 10 time frame I know people were running ZFS on arm7 boards. >> Iirc, there was a long list of tweaks needed to size of the ZIL. A quick >> google didn't find it. >> >> Otoh, I looked at ZFS for NanoBSD when it first came out. I gave up because >> the 256MB boards at the time made any kind of storage traffic ran things >> out of memory. >> >> Warner >> >> >> I will watch this thread with curiosity. > > There have been several threads about using zfs on armv7 over the > years. Some of them are from 2013 and indicate little sucess. Others, > from 2015, indicate it works... > > https://lists.freebsd.org/pipermail/freebsd-arm/2015-March/010607.html > https://lists.freebsd.org/pipermail/freebsd-arm/2015-March/010649.html > > There have also been some bug reports as recently as 2017 indicating > that people are still doing this on small armv7 systems. > > -- Ian Following this thread, where Bernd Walter wrote small howto: https://lists.freebsd.org/pipermail/freebsd-arm/2019-February/019455.html I had converted root filesystem to ZFS on SD card used with RaspberryPi2, then used it with no issues running 13-CURRENT for 6 months until that old SD card got worn. -- Marek Zarychta
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