Toru SHIMOGAKI wrote:
> Tom Lane wrote:
> - When we take a PITR base backup with hardware level snapshot operation
> (not filesystem level) which a lot of storage vender provide, the backup
> data
> can be corrupted as Dan said. During recovery we can't even read it,
> especially if meta-data was corrupted.
>
> - If we don't use hardware level snapshot operation, it takes long time to
> take
> a large backup data, and a lot of full-page-written WAL files are made.
Does it? I have done it with fairly large databases without issue.
Joshua D. Drake
>
> So, I think users need a new feature not to write out heap pages during
> taking a
> backup.
>
> Any comments?
>
> Best regards,
>
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