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06-16-2006 11:26 AM
06-16-2006 11:26 AM
Is any one using dm-multipath to achieve this against the xp1024?
Other ideas or suggestions?
Thanks.
Solved! Go to Solution.
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06-17-2006 08:00 PM
06-17-2006 08:00 PM
Re: Dynamic Multipathing with XP1024??
Docs:
http://docs.hp.com/en/5991-0605/ch01s03.html
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c00244240&jumpid=reg_R1002_USEN
http://h71028.www7.hp.com/ERC/downloads/4AA0-0716ENW.pdf
http://www.managementsoftware.hp.com/products/storage_data_protector/device_matrices/HPXP_SupportMatrix_DP55.pdf
Its either read or wait for someone to read for you.
HP does excellent documents.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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06-18-2006 10:43 PM
06-18-2006 10:43 PM
Re: Dynamic Multipathing with XP1024??
I'm working actually on the same stuff. I'm trying to set up the multipathing against four LUSE from a XP1024 (each LUSE is the concatenation of ten OPEN-E LDEVs). The host is a ProLiant DL380G4 which is running RHEL4-U3 (x86_64) with 2 HBAs FC2214-DC. I set only two paths per LUSE on the XP1024. I followed the "Device Mapper Configuration Guide for HP Arrays" but I received this error message when I execute this commande : multipath -v0. I'm not able to obtain the wwid of each LUSE to set the multipatch section in file /etc/multipath.conf.
[root@frsgid02 scsi]# multipath -v0
error calling out /sbin/scsi_id -g -u -s /block/sda
error calling out /sbin/scsi_id -g -u -s /block/sdb
error calling out /sbin/scsi_id -g -u -s /block/sdc
error calling out /sbin/scsi_id -g -u -s /block/sdd
error calling out /sbin/scsi_id -g -u -s /block/sde
error calling out /sbin/scsi_id -g -u -s /block/sdf
error calling out /sbin/scsi_id -g -u -s /block/sdg
error calling out /sbin/scsi_id -g -u -s /block/sdh
[root@frsgid02 scsi]#
Here is the /etc/multipath.conf file :
defaults {
multipath_tool "/sbin/multipath -v0"
udev_dir /dev
polling_interval 10
selector "round-robin 0"
path_grouping_policy multibus
getuid_callout "/sbin/scsi_id -g -u -s /block/%n"
prio_callout "/bin/true"
default_features "0"
rr_min_io 100
failback immediate
}
devnode_blacklist {
wwid 26353900f02796769
devnode "^(ram|raw|loop|fd|md|dm-|sr|scd|st)[0-9]*"
devnode "^hd[a-z]"
devnode "^cciss!c[0-9]d[0-9]*"
}
device {
vendor "HP "
product "OPEN-*"
path_grouping_policy multibus
path_checker tur
failback immediate
}
Thanks in advance for any help.
Francois.
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06-19-2006 02:17 AM
06-19-2006 02:17 AM
Solution- Mark as New
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06-19-2006 02:58 AM
06-19-2006 02:58 AM
Re: Dynamic Multipathing with XP1024??
Anyway, I think my problem is located in the XP1024. I need to check if the system modes 140 and 293 are switched on.
François.
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06-19-2006 07:20 AM
06-19-2006 07:20 AM
Re: Dynamic Multipathing with XP1024??
Francois -- I'm having the same issue, but have not read throught the "Device Mapper Configuration Guide" yet.
Service Gaurd -- Thanks for the link.
I will study the config guide, try again and post my results.
Thanks all for your help.
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07-03-2006 01:58 AM
07-03-2006 01:58 AM
Re: Dynamic Multipathing with XP1024??
Thanks again.
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07-03-2006 02:00 AM
07-03-2006 02:00 AM