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| 512.00B LUNs with 256 LUN ID https://3parug.com/viewtopic.php?f=18&t=2819 |
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| Author: | Pradeep [ Mon Mar 12, 2018 2:11 am ] |
| Post subject: | 512.00B LUNs with 256 LUN ID |
Hi Guys, I have noticed a LUN which is 512B in size suddenly available in ESXi hosts after upgrading them to version 6.0. This is not available to all hosts in the cluster but only for some hosts. When i checked, it because of VVOLS. Any idea how to disable it. Any impact on disabling this. |
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| Author: | MammaGutt [ Mon Mar 12, 2018 3:35 am ] |
| Post subject: | Re: 512.00B LUNs with 256 LUN ID |
VASA is what provides vvol support, so I would guess that "stopvasa" will stop the VASA provider amd unpresent the PE (lun256). Not sure if anything else uses this, but if you really want it gone I think this is your best shot. You could verify that it is running with "showvasa" and restart it with "startvasa". |
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| Author: | Pradeep [ Mon Mar 12, 2018 5:38 pm ] |
| Post subject: | Re: 512.00B LUNs with 256 LUN ID |
VASA is already disabled in this storage. |
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| Author: | Pradeep [ Mon Mar 12, 2018 6:33 pm ] |
| Post subject: | Re: 512.00B LUNs with 256 LUN ID |
I have noticed its because of HBA Driver. Wherever we have "qlnativefc ", we have this 512B LUN. |
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