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тАО06-08-2009 08:39 AM
тАО06-08-2009 08:39 AM
DSF oddity with EMC Clarion
The dsf device files on the 2 odd LUNS seem to be working alright and scsimgr reports the correct number of paths.
Should I be concerned?
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тАО06-08-2009 08:43 AM
тАО06-08-2009 08:43 AM
Re: DSF oddity with EMC Clarion
The OS is 11i-OE-Ent B.11.31.0803 with QPack bundle March 2009.
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тАО06-08-2009 08:53 AM
тАО06-08-2009 08:53 AM
Re: DSF oddity with EMC Clarion
one question are you using a powerpath ??
if yes maybe some luns ( disk exported to server ) are managed by the powerpath.
mikap
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тАО06-08-2009 09:01 AM
тАО06-08-2009 09:01 AM
Re: DSF oddity with EMC Clarion
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тАО06-08-2009 09:01 AM
тАО06-08-2009 09:01 AM
Re: DSF oddity with EMC Clarion
The array was switched over to failover mode ALUA and this shows correctly in
scsimgr get_info
on all paths.
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тАО06-08-2009 09:03 AM
тАО06-08-2009 09:03 AM
Re: DSF oddity with EMC Clarion
ok so use the commands that was adviced from Michael Steele.
ioscan -fn && insf -e
mikap
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тАО06-08-2009 09:03 AM
тАО06-08-2009 09:03 AM
Re: DSF oddity with EMC Clarion
I've done that several times.
ioscan -fnNC disk and insf -eC disk makes no difference.
I even rebooted.
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тАО06-08-2009 09:05 AM
тАО06-08-2009 09:05 AM
Re: DSF oddity with EMC Clarion
mikap
PS: did you try to check the zonning ?? if all paths are available ??
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тАО06-08-2009 09:09 AM
тАО06-08-2009 09:09 AM
Re: DSF oddity with EMC Clarion
I am assured that all LUNS are from the same RAID group and therefore have the same SAN configuration. However I don't have visibility of the SAN config.
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тАО06-08-2009 09:15 AM
тАО06-08-2009 09:15 AM
Re: DSF oddity with EMC Clarion
if teh server is not in the production now,
test what will you get after this switch on scsimgr
inquiry
Requests information on parameters of the target and a component LUN.
lun_map
Displays information about LUN paths of a LUN.
lun_reset
Resets a LUN
mikap
PS : if you see all paths on legacy devices maybe some option is set in scsimgr