Re: 2.5TB Migration from SATA to SSD disks - PostgreSQL 9.2
| От | David Gibbons |
|---|---|
| Тема | Re: 2.5TB Migration from SATA to SSD disks - PostgreSQL 9.2 |
| Дата | |
| Msg-id | CAHZ9er=GYNErPb5W3svZeWQomBatzs94K0Y9e3tDyenz8fb02A@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: 2.5TB Migration from SATA to SSD disks - PostgreSQL 9.2 (Patrick B <patrickbakerbr@gmail.com>) |
| Ответы |
Re: 2.5TB Migration from SATA to SSD disks - PostgreSQL 9.2
Re: 2.5TB Migration from SATA to SSD disks - PostgreSQL 9.2 |
| Список | pgsql-general |
So is that really possible? Just copy the data between folders? if so, i'll probably chose option 2!!!Even that is 2.5TB I don't think the copy will take longer than 20 minutes... and I'd still be able to perform reads...I'll do some test to see if option 2 can be done :)Thanks !!! :D
something like:
rsync -va /var/lib/pgsql/ /var/lib/pgsql2/
service postgres stop
rsync -va /var/lib/pgsql/ /var/lib/pgsql2/
The second rsync will only copy the deltas from the first, it still has to go in and determine what needs to be copied/what changed but the bulk of it can be prepared/migrated before the actual downtime window.
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