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July 2nd, 2021 11:00
MetaLun shutdown after SPS replace
Hey folks.
We have this old VNX 5300, and a few weeks ago we lost it two SPS (not at the same time), after that, the Write Cache feature gone to disabled state and all LUNs gone to offline state.
We bought two new SPS (not exactly new). I’ve replaced it and brought manually the LUNs to online state. Although, all LUNs are “ready state” some METALUNs continuing on Shutdown state and write Cache still disabled. Could you help me?
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DELL-Sam L
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July 6th, 2021 10:00
Hello lmendesbz,
Here is a link to a KB that maybe of assistance. https://dell.to/36j87Ad
https://dell.to/3hj0VdD
lmendesbz
7 Posts
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July 7th, 2021 11:00
I tried to enable write caching, but the error below appears.
All LUNs write cache are enabled.
DELL-Sam L
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7.6K Posts
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July 7th, 2021 16:00
Hello lmendesbz,
Which SP is the default owner of the metalun and which SP currently owns the metalun?
lmendesbz
7 Posts
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July 8th, 2021 19:00
I did trespass the LUNS to SPB. The ML4 is working on this SP.
C:\Program Files (x86)\EMC\Navisphere CLI>NaviSECCli.exe getlun -trespass -name
LOGICAL UNIT NUMBER 201
Default Owner: SP A
Current owner: SP B
Name ML6
LOGICAL UNIT NUMBER 213
Default Owner: SP A
Current owner: SP B
Name ML1
LOGICAL UNIT NUMBER 200
Default Owner: SP A
Current owner: SP B
Name ML3
LOGICAL UNIT NUMBER 206
Default Owner: SP A
Current owner: SP B
Name ML2
LOGICAL UNIT NUMBER 12
Default Owner: SP B
Current owner: SP A
Name LUN 12
LOGICAL UNIT NUMBER 211
Default Owner: SP A
Current owner: SP B
Name ML5
DELL-Sam L
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July 12th, 2021 08:00
Hello lmendesbz,
Is SPB the default owner of ML4? I don’t see ML4 listed in the screen shot that you provided.
lmendesbz
7 Posts
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July 13th, 2021 09:00
Yes! It is.
DELL-Sam L
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July 13th, 2021 14:00
Hello lmendesbz,
Have you run a battery test since you replaced your SPS? Have you rebooted both SP’s?
lmendesbz
7 Posts
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July 14th, 2021 06:00
Hey you!
I've reload the both SPs. About baterry test i didn't.
DELL-Sam L
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July 14th, 2021 08:00
Hello lmendesbz,
I would run a battery test and wait for it to complete. You can also try to restart unisphere management server. Here is a link that explains how to do the restart. https://dell.to/3wHFaZD
lmendesbz
7 Posts
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July 15th, 2021 08:00
So, I did the battery test and no erro flag. About restart the Management Servr I've looked at tutorial and it isn't clear where is the button "Restart Management Server", do you know where is? Or a away to do it by Naviseccli ?
The Unisphere is the 1.2.27
DELL-Sam L
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7.6K Posts
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July 15th, 2021 09:00
Hello lmendesbz,
Here is a link to a KB that explains how to do the reset via cli. With using that old version of unisphere there were fixes in newer versions that resolved this issue.
https://dell.to/3yW4kFk
lmendesbz
7 Posts
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July 15th, 2021 11:00
I reloaded th managers but it didn't work. Looking more closely I saw that the faulted ML components are in BOUND UNS or TRANS status.
ML1 L1 BOUND UNS RAID 0
ML1 - L2 BOUND UNS RAID 1 (EF)
ML2 - L1 BOUND UNS RAID 3 (EF)
ML2 - L2 BOUND UNS RAID 4 (EF)
ML2 - L3 TRANS RAID 5 (EF)
ML3 - L1 BOUND UNS RAID 3 (EF)
ML3 - L2 BOUND RAID 4
ML3 - L3 TRANS RAID 5 (EF)
ML4 L1 BOUND RAID 3
ML4 L2 BOUND RAID 4
ML4 L3 TRANS RAID 5
ML5 - L1 BOUND UNS RAID 0 (EF)
ML5 - L2 BOUND RAID 1
ML6 - L1 BOUND UNS RAID 3 (EF)
ML6 - L2 BOUND RAID 4
ML6 - L3 TRANS RAID 5 (EF)
ML7 - L1 BOUND UNS RAID 3 (EF)
ML7 - L2 BOUND RAID 4
ML7 - L3 TRANS RAID 5 (EF)
DELL-Sam L
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7.6K Posts
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July 15th, 2021 12:00
Hello lmendesbz,
Based on what you posted it is best to call into support to resolve this issue. You can try to power the system all the way down then, power it back on & it may resolve your issue. However, if you have any data that you don’t wish to use then I would open a support case.