In order to make a highly available (HA) server, FreeBSD can utilize techniques for a highly available storage (HAST) that syncs data between two hosts, essentially a raid1 cross-server. To make a virtual IP address that always follows the master node, common address redundancy protocol (CARP) is used. HAST can only be used for two … Read More →
Tag Archives: Cross-server
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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