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Mon, 20 Aug 2018 20:10:33 +0000 (UTC) Subject: Re: pgbackrest: backup from standby From: David Steele To: Craig James , pgsql-admin@postgresql.org References: Openpgp: preference=signencrypt Autocrypt: addr=david@pgmasters.net; prefer-encrypt=mutual; keydata= xsFNBFSheh0BEADGNb3c1kOaX5OGUDhqHTwJ3JW7XAllfWLdknpRg+/fihgLPPRnQHZhjq28 nmMLqM+C8TjezT2BgVACeu8qqASnuzN/E5+bAl9hVcgCP4eV/lEIWwVxmhcHqSdeWqWZSBRB tf07fLBnz22+3LwVsESN+fanWxnoqqvE0+hyGnCEDhOBkihgbYHuq4vw1+xgoGN1uDk4NShV El0ZWO90P4e5mOWA2Zsex+8YhGJlfRwMpU69okFCvjpWJKE+ufeJdlrxEpSSKW7SQ0kG1VF7 CvDKpF70TCWkb4Bagb6c7lwZrMjxuBnlIvOlV3RRY67PAaVIFRRvQJeJABOPHp8HnH8cwici 7gwwfWBrZZeAdPqs6VNjANqI9uaDasRnD3yHP6CcHIAeCl5hYnzNTkIqBRlnmD5y8s0VRDLr 6JR3FxscOsvwXPJ+He1RpRlxQDlBboaRFUz8endeQHhGUeHyekQcSYUaz4PX3OJBG0Xi7nr8 EOP6zOeP61z3dL8NuO3QjgPiygvS0qwMEPvOYo52nEGYn08nvFVajI8yxOXFnIwnmpgr5gdq nL9ga72tvSyJQAUx+YB7r1bKjRn/Mlt/fPIS5PXONofiO1K8uX+pzvIX6dnm7ihpFf1XC+uG 5+DKBnU7yS7jCRL52GxWHbuC3mT4tvzqH2b13TLng1Y7Izi+hwARAQABzSJEYXZpZCBTdGVl bGUgPGRhdmlkQHBnbWFzdGVycy5uZXQ+wsF5BBMBCAAjAhsDAh4BAheABQsJCAcDBRUKCQgL BBYCAwEFAlShuEECGQEACgkQn830JKJznPPsLhAAtKkIu0mFfxcVqApg4PNjZKYY4TWeN+I+ go/VKX8QWMadr33t8Sxcgyn48bjBYzgWQXhF4rMcFxDxI3ly5bdE8QKZkhFJJT7N2fBoo9Zm ZOsOvPd+5hz07VZpgNSiTXMAphj8+GSTLbYufm/OUnfpS1eovPtPdYPQpNC3RVHA0gtisz26 NgMLg6QN0iQuITs9N+wiaGtyVIornl4XAY2dM/Hvfr1aDFkukNNr52sc/mGqocG/dKC7dONA 3860y2MLszQcbAE45iEkmwpGkvxyc3i3tvdD3VNlVI1MKJUBnxFPUEI0lVq5WpApFSIU31+j aNunKIcfVxRnM8FTJBsw3RnFRpSsEtiLaZRm5sOZHa9+dy/DWDb+8O1I+momCo88+Jksd6pZ 2Tz9msOiJiTnFsCZgfbbmayH6w8ZyfHuO0DuxScM1UK+6CLC2VVjQFuH6WHqJpaENg5INswS qpUc05iC4i+6dZOe44cviX6LpHuP8vWM0E63CMun0l42yHWy+k6nLvx/fj7t++tF2JIJ92OG n/2MkM5lIKknRg27UjYAspD6f3NSZUMIe6tGyWPTtLOu8zOL5CeRyCHMWwUVDKJSBzlK2mV8 e0EbmtUJFsoNWXWKPKUIxX7JXPN3v523HmOhtyz5SnkGtwEqCZiv/JccYmh+S2IokAuscLNP EJrOwU0EVKF6HQEQALPpUsP67xfcj6NUMyySXSytUzMIVi5XNTyazuNcVfFZzT9QL8wFQkgy i/HOD3tmvdGxz6H8V+v+cszp88gCd8TwClss7u+iPsLlAQQWC4q0WiX4OhwFv2H004iuft8i odjiWDkYEgIFxlPNxQfHFmchkyODIJXQmnzbgsXwGZtJzAxEVh6AgYJqE/Ev/+kTJhJ7703n oIb+PXvafoB5axnU4nf7DuFa9X+q2/ZfzyAXUCKvzDvxb24iUgWFzlWBx0CnI21Kh6aS6hR6 o00D2OBiU+yCpW9eRTi3SuDuslmtCUaZz5V4SHo37ochEYfZ2LYOPsBO3PUMx8T7MDYrmv/x 4W5rdjugz4NXWROStNNLpS74LW20rdrEKMDltph7U2zfjjS663K+CUxoXn/ha2WnzBocoY5o KwdViLln4s0ivOTa4clHJJUsYiAxLShAe2AP+5kJim24tAabbEOsrRTn9RpT7J8jVT/G0YDE glujEt0U04Akkj5NO4G7vJP/AyX5zKZetkp/HFiFBZMkUuXD/KgDc5EM2fpQtaxGGY2fcQqY VHUbbxstxyl5d349M9rok7O90hw9BkP0Q8UEpgmlZ6ftwx+ZfZmBEdQ7HcMHnSPSNJkXt/Vi ozlcrSnkVXzCXvH9DHrIpgenp8btsJ2XyjSdrEu4jAqYeirW+3qRABEBAAHCwV8EGAEIAAkF AlSheh0CGwwACgkQn830JKJznPNmERAApYaQK6i9F6hM2RUD/PqQC45WmzOXK9bDSS9hdk4p Nc5jSW2+FkcMFe1XFG2NyGf1v5KBPxuDTQp35PIwRsL59xNmPICu0ae6zmCPUpxbMIEzb/VU wXqeuNp3cRVll06goDt5w+2LlAtBrxuDjiWxby9LH+vsIUMLWYu+M50pdtOcXOsO1+zyfs3w U6xRZ3PaFDKO1cB68okDFG/cFHnYfY5aETV7LgVBHEOQLwL01U01QC/iqY/aNO4iUH/+PBc0 R6mYlP7IqDQOQVTJ0dXP365thl0Q7c9e2JQSS9wuSv2EEiR//nnZREtLyrQNLwsXE8UFBDe7 uA8Lm2ldmQYpHHKAcorGVTHYJaaus2LjH8tZ1i4RGg4hKMJSHil/5C+Ghl+PmcACVeGaxB0c mJ8+0jyWDkLCDMAXJJyvXRWIONTAxVt5kKg1/iMAq1IQYNd66agnmgxdSvKLPUo0JJ5fhQJp 2bqDDTrINTZg+Rub2HeoOMxYJsMypK+6aY4iVlm2Z7A9SgyQDjGAXzD9+XaezNFeXxfPbjo6 46qA9SycdYhiwaTcTQakiLkZWRIkSjGQwNCK9NktE1fYnXfR0+WaWFduQ4BfM5uta1bt8esB /mLEjVYS9RRAWZ/untJrR9JYGTC4Mu6tcLGZD7385yX3TNM1iaIUGxlKkHHCZCnILyo= Message-ID: Date: Mon, 20 Aug 2018 16:10:33 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Precedence: bulk On 8/20/18 3:36 PM, David Steele wrote: > On 8/20/18 12:12 PM, Craig James wrote: > >> There are sections in the user guide on /Backup from a Standby >> / and on /S3 >> Support /, but I >> can't sort out how to combine them. Apparently I need to define >> pg1-host/pg1-path, and pg2-host/pg2-path, then a stanza for S3. But does >> all this go in the pgbackrest.conf of the primary ("radon" in my case), >> or on the standby, or somehow split across both? > > You have an asymmetrical configuration here since there is not backup > server and shown in the pgBackRest docs. That makes configuration quite > a bit harder and make failover harder. Sorry, this was a bit garbled. I meant to say: You have an asymmetrical configuration here since there is no repo server as shown in the pgBackRest docs. That makes configuration quite a bit harder and makes failover harder. In the end, I think your migration would be made simpler by migrating the pgBackRest repository before the database. Is saving bandwidth an overriding concern or just a nice to have? Regards, -- -David david@pgmasters.net