![]() There is no noticeable creation time difference but the advantage of piping the command through gzip is a way smaller image. dd if=/dev/disks/mpx.vmhba32:C0:T0:L0 | gzip > /vmfs/volumes/ds1/images/ The size of an ESXi installation is about 700MB, all empty space will compress very nice. If you have a large disk, you might want to compress the image. dd if=/dev/disks/mpx.vmhba32:C0:T0:L0 of=/vmfs/volumes/ds1/images/esx1.img Based on the partitions you can also tell that this is an ESXi (Parition ID 1 and 5-9). USB devices are usually mpx.vmhba32:C0:T0:L0. Identify the disk where ESXi is installed. You can copy the content of the SD card or USB flash drive to a datastore by using the dd command. This posts describes how you can create a backup of your ESXi hosts and create a media with an identical configuration where vicfg-backup is not a solution. If you have ESXi running on a flash media (USB flash drive or SD Card) you might want to create a ready-to-run backup of your host. ![]()
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