![]() ![]() ![]() As a precautionary measure, take the snapshots of the source volumes. Get acclimated to the cloning process by testing them in a non-production environment before attempting them in production. This can be accomplished by using the renamedg command that allows changing the diskgroup information at the header level on the cloned lun.ĭisclaimer: This post is purely for educational purposes. Similar to duplicate UUID error we would encounter in a cloned LVM volumes on the same host.įYI, Oracle generally doesn’t support mounting the copy of the ASM lun on to the same server as it is error-prone and admins might accidentally rename or destroy the wrong diskgroup. The problem is, cloning an ASM lun and mounting it onto the same host would result in two luns with same ASM header information that points to the same disk group name and the disk name. A lot of customers have requested the steps to clone an Oracle database on ASM hosted on Pure FlashArray, on to the same database host like cloning QA database into DEV on the same host.
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