Steve,
Yes, that's one of the major advantages of 4.x - the pool is now much
easier to copy or backup.
If you upgrade an existing 3.x installation then the hardlinks will still
persist for the old backups (4.x is backward compatible - it knows how to
view/restore 3.x backups). The 3.x backups will eventually expire, so the
hardlink use will eventually go down.
In 4.1.0 there is a new utility BackupPC_migrateV3toV4 that you can
optionally use to bulk upgrade old 3.x backups to v4 format. Although that
might take a while, it allows you to eliminate all the old hardlinked
backups.
Craig
On Thu, Mar 23, 2017 at 9:16 AM, Steve Palm <[email protected]> wrote:
> Hi,
>
> Simple question, I hope, but seeing the substantial differences "under the
> hood" on how BackupPC is handling things, no more hard links in particular,
> will this make it easier to backup the pool to other systems or tape? It
> seemed to me that one of the sticking points has always been the huge
> number of hard links.
>
> I have tried a number of things, I think my last serious effort was suing
> an xfsdump, but the restore time was on the order of many days... :(
>
> This would be a nice improvement. :)
>
> Steve
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