Date: Tue, 12 Jan 2010 21:27:56 +0100 From: =?utf-8?q?Rafa=C5=82_Jackiewicz?= <freebsd@o2.pl> To: freebsd-stable@freebsd.org Cc: freebsd-fs@freebsd.org, Roland Smith <rsmith@xs4all.nl>, Dan Naumov <dan.naumov@gmail.com> Subject: Re: ZFS on top of GELI Message-ID: <201001122127.56716.freebsd@o2.pl> In-Reply-To: <cf9b1ee01001111615m21ad462elc0d40a66e3913198@mail.gmail.com> References: <cf9b1ee01001100708m7851418cmbb77cc3580d0fab3@mail.gmail.com> <201001120100.16631.freebsd@o2.pl> <cf9b1ee01001111615m21ad462elc0d40a66e3913198@mail.gmail.com>
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>Thanks, could you do the same, but using 2 .eli vdevs mirrorred >together in a zfs mirror? > >- Sincerely, >Dan Naumov Hi, Proc: Intell Atom 330 (2x1.6Ghz) - 1 package(s) x 2 core(s) x 2 HTT threads Chipset: Intel 82945G Sys: 8.0-RELEASE FreeBSD 8.0-RELEASE #0 empty file: /boot/loader.conf Hdd: ad4: 953869MB <Seagate ST31000533CS SC15> at ata2-master SATA150 ad6: 953869MB <Seagate ST31000533CS SC15> at ata3-master SATA150 Geli: geli init -s 4096 -K /etc/keys/ad4s2.key /dev/ad4s2 geli init -s 4096 -K /etc/keys/ad6s2.key /dev/ad6s2 Results: **************************************************** *** single drive write MB/s read MB/s eli.journal.ufs2 23 14 eli.zfs 19 36 *** mirror write MB/s read MB/s mirror.eli.journal.ufs2 23 16 eli.zfs 31 40 zfs 83 79 *** degraded mirror write MB/s read MB/s mirror.eli.journal.ufs2 16 9 eli.zfs 56 40 zfs 86 71 **************************************************** ***** Single drive: ****** Mount: data01 on /data01 (zfs, local) /dev/ad6s2.eli.journal on /data02 (ufs, local, gjournal) *** (single hdd) UFS2, gjournal, eli. srebrny# time dd if=/dev/zero of=/data02/test01 bs=1m count=2000 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 92.451346 secs (22683845 bytes/sec) 0.068u 10.386s 1:32.46 11.2% 26+1497k 63+16066io 0pf+0w ** umount / mount, and: srebrny# time dd if=/data02/test01 of=/dev/null bs=1m 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 147.219379 secs (14245081 bytes/sec) 0.008u 4.456s 2:27.22 3.0% 23+1324k 16066+0io 0pf+0w *** (single hdd) zfs: srebrny# time dd if=/dev/zero of=/data01/test01 bs=1m count=2000 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 113.049629 secs (18550720 bytes/sec) 0.014u 5.480s 1:53.05 4.8% 26+1516k 0+0io 0pf+0w ** umount / mount, and: srebrny# time dd if=/data01/test01 of=/dev/null bs=1m 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 59.012860 secs (35537203 bytes/sec) 0.000u 3.135s 0:59.01 5.3% 24+1397k 0+0io 0pf+0w ***** Mirror: ***** *** (mirror hdd) UFS2, gjournal, eli. srebrny# gmirror list Geom name: data02 State: COMPLETE Components: 2 Balance: round-robin Slice: 4096 Flags: NONE GenID: 0 SyncID: 1 ** srebrny# time dd if=/dev/zero of=/data02/test01 bs=1m count=2000 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 89.441874 secs (23447094 bytes/sec) 0.022u 11.110s 1:29.45 12.4% 26+1515k 64+16066io 0pf+0w ** umount / mount, and: srebrny# time dd if=/data02/test01 of=/dev/null bs=1m 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 134.567914 secs (15584339 bytes/sec) 0.007u 4.333s 2:14.62 3.2% 26+1498k 16067+0io 0pf+0w *** (mirror hdd, eli) zfs: srebrny# time dd if=/dev/zero of=/data01/test01 bs=1m count=2000 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 67.255574 secs (31181832 bytes/sec) 0.029u 6.422s 1:07.25 9.5% 26+1531k 0+0io 0pf+0w ** (eli) umount / mount, and: srebrny# time dd if=/data01/test01 of=/dev/null bs=1m 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 52.307404 secs (40092833 bytes/sec) 0.036u 3.405s 0:52.31 6.5% 27+1543k 0+0io 0pf+0w *** (mirror hdd, no eli!) zfs: srebrny# time dd if=/dev/zero of=/data01/test01 bs=1m count=2000 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 25.185164 secs (83269341 bytes/sec) 0.000u 5.506s 0:25.18 21.8% 26+1513k 0+0io 0pf+0w ** (no eli!) umount / mount, and: srebrny# time dd if=/data01/test01 of=/dev/null bs=1m 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 26.457374 secs (79265312 bytes/sec) 0.000u 3.011s 0:26.45 11.3% 24+1396k 0+0io 0pf+0w ***** *** (mirror !!!degraded!!!, single drive ad4s2) UFS2, gjournal, eli. df -h /dev/mirror/data02.eli.journal 857G 8.0K 788G 0% /data02 ** srebrny# time dd if=/dev/zero of=/data02/test01 bs=1m count=2000 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 131.554958 secs (15941262 bytes/sec) 0.029u 10.057s 2:11.58 7.6% 26+1528k 64+16066io 0pf+0w ** (mirror !!!degraded!!!, single drive ad4s2) umount / mount, and: srebrny# time dd if=/data02/test01 of=/dev/null bs=1m 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 226.056204 secs (9277127 bytes/sec) 0.029u 4.226s 3:46.08 1.8% 26+1529k 16066+0io 0pf+0w *** (mirror !!!degraded!!!, single drive ad4s2; eli) zfs: srebrny# time dd if=/dev/zero of=/data01/test011 bs=1m count=2000 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 37.548232 secs (55852217 bytes/sec) 0.007u 5.480s 0:37.55 14.5% 26+1513k 0+0io 0pf+0w ** (mirror !!!degraded!!!, single drive ad4s2; eli) umount / mount, and: srebrny# time dd if=/data01/test011 of=/dev/null bs=1m 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 51.266119 secs (40907173 bytes/sec) 0.036u 3.238s 0:51.28 6.3% 28+1549k 0+0io 0pf+0w *** (mirror !!!degraded!!!, single drive ad4s2; no eli!) zfs: srebrny# time dd if=/dev/zero of=/data01/test011 bs=1m count=2000 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 24.296032 secs (86316646 bytes/sec) 0.000u 5.463s 0:24.29 22.4% 26+1512k 0+0io 0pf+0w ** (mirror !!!degraded!!!, single drive ad4s2; no eli!) umount / mount, and: srebrny# time dd if=/data01/test011 of=/dev/null bs=1m 2000+0 records in 2000+0 records out 2097152000 bytes transferred in 29.512372 secs (71060096 bytes/sec) 0.036u 3.275s 0:29.51 11.1% 27+1563k 0+0io 0pf+0w Best regards, Rafal Jackiewicz
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