Date: Wed, 02 Jun 2010 12:58:06 +0400 From: venom <samflanker@gmail.com> To: freebsd-hackers@freebsd.org Subject: gvinum & raid5 on 8.0-RELEASE Message-ID: <4C061D1E.3090108@gmail.com>
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Hi, all.
I have problem with perfomance on raid5 volume.
***
AHCI mode enabled in BIOS settings
ahci.ko module is loaded
/8.0/-/RELEASE/ FreeBSD /8.0/-/RELEASE/ #0: Sat Nov 21 15:02:08 UTC 2009
root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys//GENERIC amd64/
# gpart show
=> 0 8192 md0 BSD (4.0M)
0 16 - free - (8.0K)
16 8176 1 !0 (4.0M)
=> 0 8192 ufsid/4b497774c23db769 BSD (4.0M)
0 16 - free - (8.0K)
16 8176 1 !0 (4.0M)
=> 34 1953525101 ada0 GPT (932G)
34 128 1 freebsd-boot (64K)
162 1953524973 2 freebsd-vinum (932G)
=> 34 1953525101 ada1 GPT (932G)
34 128 1 freebsd-boot (64K)
162 1953524973 2 freebsd-vinum (932G)
=> 34 1953525101 ada2 GPT (932G)
34 128 1 freebsd-boot (64K)
162 1953524973 2 freebsd-vinum (932G)
=> 34 1953525101 ada3 GPT (932G)
34 128 1 freebsd-boot (64K)
162 1953524973 2 freebsd-vinum (932G)
# gvinum printconfig
drive disk_3 device /dev/ada3p2
drive disk_2 device /dev/ada2p2
drive disk_1 device /dev/ada1p2
drive disk_0 device /dev/ada0p2
volume raid5
plex name raid5.p0 org raid5 512s vol raid5
sd name raid5.p0.s3 drive disk_3 len 1953524224s driveoffset 265s plex
raid5.p0 plexoffset 1536s
sd name raid5.p0.s2 drive disk_2 len 1953524224s driveoffset 265s plex
raid5.p0 plexoffset 1024s
sd name raid5.p0.s1 drive disk_1 len 1953524224s driveoffset 265s plex
raid5.p0 plexoffset 512s
sd name raid5.p0.s0 drive disk_0 len 1953524224s driveoffset 265s plex
raid5.p0 plexoffset 0s
# mount | grep raid5
/dev/gvinum/raid5 on /mnt/resc (ufs, local)
# cd /mnt/resc
# dd if=/dev/zero of=file count=16 bs=512k
16+0 records in
16+0 records out
8388608 bytes transferred in 44.871144 secs (186949 bytes/sec)
please, any solutions
--
Vladimir Ermakov
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