<DIV>i have deploy multipath on netapp DATA ontap,but there is no improvment on throughput.</DIV>
<DIV>-------------------------</DIV>
<DIV>if=/dev/zero of=fc-lv bs=4K count=1M     about  270~280M/s (netapp lun with multipath)</DIV>
<DIV>dd if=/dev/zero of=fc-lv bs=4K count=2M  about 150M/s (netapp lun with multipath)</DIV>
<DIV> hdparm -t /dev/sda 380.40 MB/sec (local disk)</DIV>
<DIV>hdparm -t /dev/sdb 131.24 MB/sec(netapp lun with multipath)</DIV>
<DIV>-----------------------</DIV>
<DIV>that is the conf</DIV>
<DIV> device {<BR>               vendor                  "NETAPP"<BR>               product                 "LUN.*"<BR>               getuid_callout          "/lib/udev/scsi_id --whitelisted --device=/dev/%n"<BR>               features                "1 queue_if_no_path"<BR>               hardware_handler        "0"<BR>               path_selector           "round-robin 0"<BR>               path_grouping_policy    multibus<BR>               failback                immediate<BR>               rr_weight               uniform<BR>               rr_min_io               128<BR>               path_checker            directio<BR>               prio                    netapp<BR>       }<BR><BR></DIV>
<DIV></DIV><BR><PRE><BR>At 2011-04-27 14:49:57，"Christophe Varoqui" <christophe.varoqui@gmail.com> wrote:

>On mar., 2011-04-26 at 22:23 -0500, Benjamin Marzinski wrote:
>> This is the second part of the NetApp patch from George Martin. It simply
>> renames netapp.c to ontap.c and edits the Makefile to build it.
>> 
>Thank you, applied.
>
>-- 
>Christophe Varoqui
>OpenSVC - Software to scale
>http://www.opensvc.com/
>
>--
>dm-devel mailing list
>dm-devel@redhat.com
>https://www.redhat.com/mailman/listinfo/dm-devel
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