On root filesystems that’s served from flash memory it may be advisable to keep off heavy writes from them. By putting /var on a ramdrive you can greatly increase the expected lifetime of an ssd or a usb memorystick. Initial steps A snapshot of /var needs to be created. On true diskless systems FreeBSD ramdrive … Read More →
Tag Archives: Snapshot
Copying a ZFS volume across a server
Take a snapshot of the volume on source server: root@source# zfs snapshot zfs_dataset/volume@now Send the snapshot to the target server. Target zfs_dataset can be different: root@source# zfs send zfs_dataset/volume@now | ssh target zfs recieve zfs_dataset/volume@now Clone the snapshot with the supposed name of the new volume zfs clone zfs_dataset/volume@now zfs_dataset/clone Promote it, in effect switching … Read More →
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