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CX300 Lun recovery

CX300 Lun recovery

CX300 Lun recovery

(OP)
Hello,

One of my IBM P55a servers decided to allow the fiber card to fail and now I cannot see any of my SAN LUNS from the CX300. IBM are due out in 30 mins or so to replace the fiber card, can someone let me know the steps for bringing the LUNS back online please?

I believe it's just a case of re-zoning the server on the switch with the new WWN from the new fiber card and then re-register back on the CX300 then I think I just need to reboot the server and all the LUNS should be available again, does this sound right?

Cheers

Nick

RE: CX300 Lun recovery

You had only one fibre card or all the available cards failed?

If you had only one card then, you need reboot the system, select SMS menu and option no 4, at that point the WWNS are flashed on the Fabric (Switch).

If you have redundant fibre cards then, you need to replace the failed card (assuming its hot swappable). You need to run cfgmgr on the system and new card is detected, then run #lscfg -vpl fcsX | grep -i net, give it to SAN team they will add it to switch and then to storage.


Your second sentence is correct for all fibre cards down, for redundant system you don't have to reboot.

RE: CX300 Lun recovery

(OP)
Hello,

Yes, just the one fiber card as they did not want to spend the money for two at the time of purchase sad

I have now had the card replaced, re-zoned the server and re-registered it on the CX300. Once that was done I was able to get all the powermt devices recovered and the only issue I have now is the logical volumes are still closed after I varyonvg'd the volume groups:-

lsvg datam
VOLUME GROUP: datam VG IDENTIFIER: 000ca21c0000d6000000010e88bbcf53
VG STATE: active PP SIZE: 256 megabyte(s)
VG PERMISSION: read/write TOTAL PPs: 199 (50944 megabytes)
MAX LVs: 256 FREE PPs: 0 (0 megabytes)
LVs: 14 USED PPs: 199 (50944 megabytes)
OPEN LVs: 0 QUORUM: 2
TOTAL PVs: 1 VG DESCRIPTORS: 2
STALE PVs: 0 STALE PPs: 0
ACTIVE PVs: 1 AUTO ON: yes
MAX PPs per PV: 1016 MAX PVs: 32
LTG size: 128 kilobyte(s) AUTO SYNC: no
HOT SPARE: no BB POLICY: relocatable
[lonibm2] dev #
[lonibm2] dev #
[lonibm2] dev # lsvg -l datam
datam:
LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINT
appl jfs2 16 16 1 closed/syncd N/A
data jfs2 16 16 1 closed/syncd N/A
logs jfs2 8 8 1 closed/syncd N/A
CMMdb jfs2 8 8 1 closed/syncd N/A
realtime jfs2 1 1 1 closed/syncd N/A
archivec jfs2 16 16 1 closed/syncd N/A
archiver jfs2 16 16 1 closed/syncd N/A
dm_destin jfs2 1 1 1 closed/syncd N/A
dm_source jfs2 8 8 1 closed/syncd N/A
dm_config jfs2 8 8 1 closed/syncd N/A
statsdbs jfs2 16 16 1 closed/syncd N/A
billing01 jfs2 4 4 1 closed/syncd N/A
loglv00 jfs2log 1 1 1 closed/syncd N/A
lv_utel jfs2 80 80 1 closed/syncd N/A

How do I go about changing the state of the LV from closed to open?

Cheers


Nick

RE: CX300 Lun recovery

Are you sure they were mounted?
Is that oracle DB server with raw volumes? as I am not seeing any mount points.

If so, you don't have to do anything, oracle will take care of it.

RE: CX300 Lun recovery

(OP)
Hello,

yeah, they were mount points and I have got them all up and running now smile

cheers

nick

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