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[EMAIL PROTECTED] On Behalf Of Raz Ben-Jehuda(caro)
Sent: Sunday, November 20, 2005 6:50 AM
To: Linux RAID Mailing List
Subject: comparing FreeBSD to linux
I have evaluated which is better in terms cpu load when dealing with raid.
FreeBSD vinum's or linux raid.
When i issued a huge
-Original Message-
From: [EMAIL PROTECTED] [mailto:linux-raid-
[EMAIL PROTECTED] On Behalf Of Raz Ben-Jehuda(caro)
Sent: Monday, November 21, 2005 9:47 AM
To: Guy
Cc: Linux RAID Mailing List
Subject: Re: comparing FreeBSD to linux
fetching from a disk a random block of 1 MB
)
Sent: Monday, November 21, 2005 9:47 AM
To: Guy
Cc: Linux RAID Mailing List
Subject: Re: comparing FreeBSD to linux
fetching from a disk a random block of 1 MB is aproximately
20MB/s for a sata disk ( randomly , all over the disk and over a file
system).
god help us if the cpu
: comparing FreeBSD to linux
fetching from a disk a random block of 1 MB is aproximately
20MB/s for a sata disk ( randomly , all over the disk and over a file
system).
god help us if the cpu what that slow.
If your CPU load is 90% at 20MB/sec then you have a problem.
I get about
On Mon, Nov 21, 2005 at 10:15:11AM -0800, Raz Ben-Jehuda(caro) wrote:
Well , i have tested the disk with a new tester i have written. it seems that
the ata driver causes the high cpu and not raid.
Which drivers are you using? lspci and kernel .config?
Jeff
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Jeff Garzik wrote:
On Mon, Nov 21, 2005 at 10:15:11AM -0800, Raz Ben-Jehuda(caro)
wrote:
Well , i have tested the disk with a new tester i have written.
it seems that the ata driver causes the high cpu and not raid.
Which drivers are you using? lspci and kernel .config?
And have you
lspci
00:00.0 Host bridge: Intel Corp.: Unknown device 2588 (rev 05)
00:01.0 PCI bridge: Intel Corp.: Unknown device 2589 (rev 05)
00:02.0 VGA compatible controller: Intel Corp.: Unknown device 258a (rev 05)
00:1c.0 PCI bridge: Intel Corp.: Unknown device 2660 (rev 03)
00:1c.1 PCI bridge: Intel
