Share your knowledge at the LQ Wiki.
Go Back > Forums > Linux Forums > Linux - Hardware
User Name
Linux - Hardware This forum is for Hardware issues.
Having trouble installing a piece of hardware? Want to know if that peripheral is compatible with Linux?


Closed Thread
  Search this Thread
Old 01-10-2010, 11:39 PM   #1
LQ Newbie
Registered: Jan 2010
Posts: 2

Rep: Reputation: 0
multipathing ?

our oracle(oracle 10G) server got a serious problem, the OS is SLES 9 SP4, two HBA adapters(QLogic 2340) with NetApp FC Storage(FAS3140), we have installed multipath-tools on this server and ensure that physical connection and swith configuration are correct, but we only can see a path? any advices will be appreciated.

:~ # multipath -ll
360a98000572d4d414b4a522d7a62376d dm-2 NETAPP,LUN
\_ round-robin 0 [prio=1][active]
\_ 1:0:0:21 sdb 8:16 [active][ready]

0000:03:03.0 Fibre Channel: QLogic Corp. ISP2312-based 2Gb Fibre Channel to PCI-X HBA (rev 02)
0000:04:04.0 Fibre Channel: QLogic Corp. ISP2312-based 2Gb Fibre Channel to PCI-X HBA (rev 02)

:~ # rpm -q multipath-tools

:~ # rpm -qa | grep device*

:~ # less /etc/multipath.conf
## This is a template multipath-tools configuration file
## Uncomment the lines relevent to your environment
defaults {
udev_dir /dev
polling_interval 10
selector "round-robin 0"
path_grouping_policy failover
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout /bin/true
path_checker readsector0
rr_min_io 100
rr_weight priorities
failback immediate
no_path_retry fail
user_friendly_names no
blacklist {
devnode "^sda"

vendor "NETAPP"
product "LUN"
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout "/sbin/mpath_prio_netapp /dev/%n"
features "1 queue_if_no_path"
hardware_handler "0"
path_grouping_policy group_by_prio
failback immediate
rr_weight uniform
rr_min_io 128
path_checker readsector0

Last edited by xgxiaofei; 01-10-2010 at 11:58 PM.
Old 01-10-2010, 11:59 PM   #2
LQ Guru
Registered: Dec 2006
Location: underground
Distribution: Slackware64
Posts: 7,594

Rep: Reputation: 552Reputation: 552Reputation: 552Reputation: 552Reputation: 552Reputation: 552
Please do not post your question in more than one location! That makes it hard for people to follow the discussion.

If you decide your question would be better served in another location, please use the REPORT button, and ask a moderator to move it for you.

I am going to have this thread closed, in favor of your other thread here:



Closed Thread

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Multipathing in linux comeatmanish Linux - Newbie 1 10-07-2009 09:39 AM
Multipathing prob here4linux Solaris / OpenSolaris 5 08-30-2009 11:41 AM
Problem with iscsi Multipathing on RHEL4 v@to Linux - Server 7 12-06-2008 12:27 PM
Network Multipathing linuxtesting2 Solaris / OpenSolaris 3 02-28-2007 02:25 AM
multipathing - mdadm da_kidd_er Linux - General 0 05-19-2005 07:28 PM > Forums > Linux Forums > Linux - Hardware

All times are GMT -5. The time now is 04:58 AM.

Main Menu
Write for LQ is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Facebook: linuxquestions Google+: linuxquestions
Open Source Consulting | Domain Registration