When re-using a disk with a GPT label (GUID Partition Table) it’s important to wipe the label stored on both the first and last blocks of the device. With an MBR Partition Table it was easy enough to just nuke the beginning of the drive (adapt sdz for your drive), ala: dd if=/dev/zero of=/dev/sdz...
Read more →Solaris variants (i.e. Nexenta) seem to lack the ‘watch’ program that’s so useful on Linux/BSD. There are several people asking for this on various forums. There might be a port available, but not stock on machines, and if your machine is inside a restrictive firewall, it might be hard to get. In a pinch,...
Read more →I run my backups on a stack that consists of: md-raid mirror LUKS encryption ZFS zvol This works nicely as it’s easy to split off an encrypted backup disk to take offsite, but since ZFS encryption hasn’t come to Linux yet, it’s still a stack of technologies to manage. My backup set gets ever...
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