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Reg SAN -switch port change
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06-20-2011 02:29 AM
06-20-2011 02:29 AM
we have a server rx4640 model with 8gb ram 11iv2..n only one fc card in it...
root #/ >ioscan -fnC fc
Class I H/W Path Driver S/W State H/W Type Description
=================================================================
fc 0 0/2/1/0 td CLAIMED INTERFACE HP Tachyon XL2 Fibre Channe
l Mass Storage Adapter
/dev/td0
which is connected to a san-switch 24 port...
we r havng a power downtime during which this san-switch would be powere off for 5 min...
now this san-switch is in cluster with another san-switch...also zoning has been done for this rx4640 server...in both switches..
cfg: TOP_SWITCH_CEDGE
zone: ATM_SERVER_EVA
50:00:1f:e1:50:09:61:28
50:06:0b:00:00:60:21:a8
50:00:1f:e1:50:09:61:2c
cfg: BOT_SWITCH_CEDGE
zone: ATM_SERVER_EVA
50:06:0b:00:00:60:21:a8
50:00:1f:e1:50:09:61:2d
50:00:1f:e1:50:09:61:29
my questn is at time of actvty can i shutdown d applcn n place the cable in another san-switch ( xyz port ) ...there wouldb be sme pyhsical path changes right ??
i will have to do vgimport when i change the san-switch for this particular rx4640 host ??
Solved! Go to Solution.
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06-20-2011 02:37 AM
06-20-2011 02:37 AM
Re: Reg SAN -switch port change
Re: Reg SAN -switch port change
If the disk array is being moved to a different SAN port or SAN switch, or the switch domain ID is changing then the hardware paths and device files will change and you will need to vgexport/vgimport.
If its just the server thats moving to a different SAN port, you should be fine to unmount the filesystems/deactivate the VG, move the server then re-activate/re-mount.
HTH
Duncan
HTH
Duncan
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06-20-2011 02:50 AM
06-20-2011 02:50 AM
Re: Reg SAN -switch port change
Re: Reg SAN -switch port change
you mean i just have to ;
1] shutdowm my applicn
2] vgexport -p -v map file
3] vgchange -a n vg
4] power off the switch 1
5] change d port f rom switch 1 to any switch 2
6] vgchange -a y vg
7] mount lvol
is it fine ?????
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06-20-2011 03:06 AM
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06-20-2011 03:21 AM
06-20-2011 03:21 AM
Re: Reg SAN -switch port change
Re: Reg SAN -switch port change
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