Stefan Huerter wrote:
Hello
Just testing the new FB 7beta3 - installed from the ISO-images.
System is running on an SCSI 9GB disk, the machine has 750MHz with
512MB Ram and the zfs is using 8 ATA Disks, 4x120GB and 4x160GB
connected to Promise Fasttrak TX2 (with no configs).
Creating the ZFS using "zpool create tank raidz adX" was fascinating,
after a few seconds I have 920GB disk space - WoW.
kmem_min is 256MB.
Next step was creating /tank/CTM and /tank/CVS, then running
pwd:/tank/CVS/ctm -vvv /tank/CTM/* and while extracting it suddenly
hangs.
Nice: I can login in new sessions.
Bad: Systems hangs, sync runs in nirwana and trying to reboot produces
"Deadly processes found, won't die" and hangs up the reboot.
See: http://wiki.freebsd.org/ZFSTuningGuide
However - as you have 512Mb of RAM you can't really take up the
suggestions there. I'm trying zfs out on a 2xPIII 1.26Ghz with 2G of RAM
- and even after fooling about with custom kernels that have increased
KVA_PAGES... I can't get the zfs buffer cache to use any more than 600Mb
of (kernel) memory. It is however stable... so more memory helps!
Any chance of you finding any more RAM for the box?
Cheers
Mark
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