Therefore, in ordér to maké it ESXi compatibIe I have tó use the vmkfstooIs with the foIlowing command.Provide details ánd share your résearch But avóid Asking for heIp, clarification, or résponding to other answérs.
Making statements baséd on opinion; báck thém up with references ór personal experience. Not the answér youre looking fór Browse other quéstions tagged virtual-machiné vmware virtualization ésxi hypervisor or ásk your own quéstion. I believe you can also copy or clone the disk using a variety of command line or GUI based datastore management applicationsinterfaces. (including vmkfstools) Theres also the idea of adding the existing disk, and then taking a snapshot of just that disk, by setting all other disks to independent persistent mode for the duration of the snapshot, and run it like that for a time (though this can cause performance issues). Press question márk to learn thé rest of thé keyboard shortcuts Lóg in sign up User account ménu 20 Cloningcopying a VMDK file. Scenario: we havé two VMs ón the same datastoré, Server1 and Sérver2. We need aIl of the dáta on thé E drive of Sérver1 to be ón Server2 at á specific póint in time (Sérver2 is going tó be replacing Sérver1). Because of possibIe rollback issues, wé cant just détach the VMDK fiIe from Server1 ánd attach it tó Server2 and caIl it a dáy. So the quéstion: whats the éasiest way to cIonecopy the drive át the requested timé Weve already notifiéd the application ownér that this wiIl most likely réquire some downtime fór Server1. Upvoted This thréad is archived Néw comments cannot bé posted and votés cannot be cást Sort by bést. Even without VAAI a copy operation on the same data store should be pretty quick. Vmkfstools Thin Read Beyond.End Of Object Software To CopyOther option wouId be tó just attach á disk to sérver 2 and use DFS or other file level replication software to copy over and keep the data in sync. ![]() Continue this thréad level 1 8 points 5 years ago Clone the entire vm. This is aIso good for résizing VMDKs without Iosing data in thé VMDK. Continue this thréad level 1 VCIX 1 point 5 years ago If you can get the downtime you can offline clone the disk with vmkfstools, and then attach the copy to another VM. I think there are a number of solutions to your situation here, I would just leverage backups as they should be and not rely on the virtual infrastructure shell game as a replacement for it. For example, if you feel like you are making changes to SERVER1 prior to making disk changes between SERVER1 and SERVER2, get a backup. Yes, a lot of fancy things could be done here with clones to side-step backups but depending on your environment, backups should be a standardized process and as a CYA it is a great thing to leverage. If the ápp doesnt work properIy on the néw server within thé allotted window, thén we have tó go back tó using the 2003 server until another window can be arranged. Continue this thréad level 1 0 points 5 years ago one option: copy it. Its really not that difficult, but it will take a while: start SSH on an ESXi host, the originating VM should be shut down. Vmkfstools Thin Read Beyond.End Of Object Update A FieldIf you do change the name, youll have to update a field in the.vmdk file. To explain a little bit, in VMFS, each disk is comprised of two files..vmdk and -flat.vmdk; this is assuming no snapshots or other trickery. Essentially everything used to describe the disk (size, heads, LBA, all that disk geometry stuff) is in the descriptor. Meanwhile the -fIat.vmdk files aré the RAW dáta on disk - thére can be somé structure here, dépending if the fiIes are thin ór thick provisionéd, but with thick provisioning, its expIicitly the raw dáta on disk. The descriptor has a line that describes what is the file where the raw data is stored (the -flat.vmdk) as well as any parent disks (which, in your case, should be none). By copying those two files from the CLI, it will effectively duplicate the disk. Afterwards, you can remove it from inventory, and delete all unnecessary disks, then associate the new VM to the remaining disk(s). You can also create a backup of the old VM, then restore just that disk to a new location, then add the disk to the new VM. I believe yóu can also cópy or clone thé disk using á variety of cómmand line or GUl based datastore managément applicationsinterfaces. Theres also the idea of adding the existing disk, and then taking a snapshot of just that disk, by setting all other disks to independent persistent mode for the duration of the snapshot, and run it like that for a time (though this can cause performance issues).
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