Beastie wrote:
Beastie wrote:
Robert Uzzi wrote:
That still dosen't connedt SATA to a non sata board though. That's my
situation I have 6 SATA drives but no SATA native board. Looking for a
cheap addin card to build this upon.
I'll buy Intel SRCS16 (500$) this week, will talk to u later about
it's compatibility and performance for RAID 5 with 4 SATA drive.
regards
reza
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FreeBSD-6.0 known this device. (Intel SE7320 EP2)
---snip--
amrd0: <LSILogic MegaRAID logical drive> on amr0
amrd0: 1430511MB (2929686528 sectors) RAID 5 (optimal)
ar0: 76228MB <LSILogic v3 MegaRAID RAID1> status: READY
ar0: disk0 READY (master) using ad4 at ata2-master
ar0: disk1 READY (mirror) using ad6 at ata3-master
---snap---
System now work with RAID
df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/ar0s1a 496M 55M 401M 12% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/ar0s1d 496M 12K 456M 0% /tmp
/dev/ar0s1e 67G 419M 61G 1% /usr
/dev/amrd0s1d 1.3T 12M 1.2T 0% /var
/dev/acd0 651M 651M 0B 100% /cdrom
My questiin is now, how do i test SATA RAID performance ?
Is there any tools or program to do some benchmark ?
please help me...
regards
reza
I try to test with dd simple command
dd if=/dev/amrd0s1d of=/dev/null
^C31297+0 records in
31297+0 records out
16024064 bytes transferred in 7.970548 secs (2010409 bytes/sec)
the result is very slow performance (-+ 2 Mbytes/sec), with write cache
enable on drive. :(
regards
reza
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