Date: Wed, 11 Apr 2007 09:36:33 +0300 From: Toomas Aas <toomas.aas@raad.tartu.ee> To: questions@freebsd.org Subject: gmirror device numbers Message-ID: <461C81F1.4030208@raad.tartu.ee>
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Hello! I have a server with gmirror volumes. Backup of this server is being done with Amanda, which uses GNU tar and its --listed-incremental option (snapshot files) in order to do incremental backups. It seems that gmirror devices get a different 'device number' on each boot (each time the gmirror is created). Since the device number is stored in GNU tar's snapshot file, it effectively means that after rebooting GNU tar sees all files as having been changed since previous backup. This causes huge incremental backups. Is there a way to force a gmirror device to have a 'fixed' device number? -- Toomas Aas
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