On 1/21/07, Liang Yang <[EMAIL PROTECTED]> wrote:
Dan,
Thanks for your reply. Still get two questions left.
Suppose I have a MD-RAID5 array which consists of 8 disks.
1. Do we need to consider the chunk size of the RAID array when we set the
value of Striped_Cache_Size? For example, if the chun
] [mailto:[EMAIL PROTECTED] On Behalf
Of Dan Williams
Sent: Sunday, January 21, 2007 11:07 PM
To: Liang Yang
Cc: linux-raid@vger.kernel.org
Subject: Re: What is the exacting meaning of Striped_Cache_Size?
On 1/21/07, Liang Yang <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I have tried
On 1/21/07, Liang Yang <[EMAIL PROTECTED]> wrote:
Hello,
I have tried to increase the Striped_Cache_Size from 256 (default for my
MD-RAID5 array) to 8192, it does improve the MD-RAID5 Write performance
which varies with the size of I/O packet.
However, I'm still not very clean the meaning and t