<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 12 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can anyone explain why the below happens please and if it’s meant to?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Suppose I have two clusters.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cluster #1 uses NFS mount A (and B and C)<o:p></o:p></p><p class=MsoNormal>Cluster #2 uses NFS mount B (and C)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On cluster #1, I create a VM with ID 113 on NFS A. Install an OS, all fine.<o:p></o:p></p><p class=MsoNormal>On cluster #2, I create a VM with ID 113 on NFS B. Install an OS, all fine.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Both are working at this point.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On cluster #1, power down and remove VM 113.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cluster #2’s VM 113 hangs. Look on NFS B... the virtual disk has disappeared.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Why would the deletion of the VM from cluster #1 affect the disk on NFS B, despite it not being used for that VM? I understand that there’s a mount to B from cluster #1, but the only file it should have deleted was on A.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I ran into this while migrating from one cluster to another. I was very careful to ensure that I wouldn’t overlap two VMs with one file while I was DD’ing behind the scenes, but still suffered missing files when some of the original VMs were deleted because some old VMs were sharing the same ID numbers as new VMs.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Regards,<o:p></o:p></p><p class=MsoNormal>Chris<o:p></o:p></p></div></body></html>