Date: Wed, 04 Aug 2010 16:40:22 +0200 From: Martin Matuska <mm@FreeBSD.org> To: "Alex V. Petrov" <alexvpetrov@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: zpool - low speed write Message-ID: <4C597BD6.7080708@FreeBSD.org> In-Reply-To: <201008042213.31631.alexvpetrov@gmail.com> References: <201008042008.25679.alexvpetrov@gmail.com> <201008042213.31631.alexvpetrov@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Try booting with the following on /boot/loader.conf: vfs.zfs.vdev.max_pending="10" vfs.zfs.txg.write_limit_override=268435456 And remove setting: vfs.zfs.cache_flush_disable=1 Then try a dd from /dev/zero. Cheers, mm Dňa 4. 8. 2010 16:13, Alex V. Petrov wrote / napísal(a): > interesting results: > > From single-UDF-disk to pool: > $ dd if=petrovs-disk1.iso of=/tank/petrovs-disk1.iso bs=1M > 3545+1 records in > 3545+1 records out > 3718002688 bytes transferred in 438.770195 secs (8473690 bytes/sec) > > From single-UDF-disk to null: > $ dd if=petrovs-disk1.iso of=/dev/null bs=1M > 3545+1 records in > 3545+1 records out > 3718002688 bytes transferred in 83.304575 secs (44631435 bytes/sec) > ------ > Alex V. Petrov > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4C597BD6.7080708>