This might be related to raid chunk positioning with respect
to LVM chunk positioning. If they interfere there indeed may
be some performance drop. Best to make sure that those chunks
are aligned together.
Interesting. I'm seeing a 20% performance drop too, with default
RAID and LVM chunk
Janek Kozicki schrieb:
hold on. This might be related to raid chunk positioning with respect
to LVM chunk positioning. If they interfere there indeed may be some
performance drop. Best to make sure that those chunks are aligned together.
Interesting. I'm seeing a 20% performance drop too, with
On Feb 19, 2008 1:41 PM, Oliver Martin
[EMAIL PROTECTED] wrote:
Janek Kozicki schrieb:
hold on. This might be related to raid chunk positioning with respect
to LVM chunk positioning. If they interfere there indeed may be some
performance drop. Best to make sure that those chunks are aligned
On Tue, Feb 19, 2008 at 01:52:21PM -0600, Jon Nelson wrote:
On Feb 19, 2008 1:41 PM, Oliver Martin
[EMAIL PROTECTED] wrote:
Janek Kozicki schrieb:
$ hdparm -t /dev/md0
/dev/md0:
Timing buffered disk reads: 148 MB in 3.01 seconds = 49.13 MB/sec
$ hdparm -t /dev/dm-0
