On Thu, 7 Jun 2007, Neil Brown wrote:
On Wednesday June 6, [EMAIL PROTECTED] wrote:
2. now, if I use oflag=direct, the I/O patterns are very strange:
0 (zero) reads from sda or sdb, and 2-3MB/s worth of reads from sdc.
11-12 MB/s writes to sda, and 8-9MB/s writes to sdb and sdc.
tj wrote:
Bill Davidsen wrote:
tj wrote:
Thomas Jager wrote:
Hi list.
I run a file server on MD raid-5.
If a client reads one big file and at the same time another client
tries to write a file, the thread writing just sits in
uninterruptible sleep until the reader has finished. Only very
