Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools
2009-09-09 06:16:56
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Hi,
> I'd say: Replace that USB 2.0 disk by something else like something
> connected via Firewire or eSATA. USB 2.0 is very, very slow, especially
> for random access.
I know, but that's not the point here. Speed doesn't concern me- the
copy should later go over a slow link anyways. And for this link USB2.0
is fast enough.
> Do you want to try DRBD and see how that works? Might be a more complex
> setup though..
I had this in mind- but as it should go over a small line I preferred to
figure out the amount of data first.
>> Looks like on my pool BackupPC changes approx two third of the whole
>> pool daily. So if I would transfer to a remote site I'd need to transfer
>> 300GB daily!
> That sounds far too much for a 540 GB pool. Did you try again the next
> day?
It matches my experience with the dump utility. I created the second one
with a size of 300GB after a day. And the next day again. And so on...
Any possible ways to verify why this is so many data? I moutned the pool
with "noatime,data=ordered" for ext3.
> But there is currently no out-of-the-box or best practice to transfer a
> BackupPC pool to a remote location.
I know. For this I wanted to share my experience here.
Greetings
Christian
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- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, (continued)
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Jeffrey J. Kosowsky
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Christian Völker
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, dan
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Tino Schwarze
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, dan
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Les Mikesell
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, dan
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Tino Schwarze
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Christian Völker
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Tino Schwarze
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools,
Christian Völker <=
- [BackupPC-users] usb slow for random access? (was Re: Using rsync for blockdevice-level synchronisation of BackupPC pools), Dan Pritts
- Re: [BackupPC-users] usb slow for random access? (was Re: Using rsync for blockdevice-level synchronisation of BackupPC pools), Les Mikesell
- Re: [BackupPC-users] usb slow for random access? (was Re: Using rsync for blockdevice-level synchronisation of BackupPC pools), Michael Stowe
- Re: [BackupPC-users] usb slow for random access? (was Re: Using rsync for blockdevice-level synchronisation of BackupPC pools), Dan Pritts
- Re: [BackupPC-users] usb slow for random access? (was Re: Using rsync for blockdevice-level synchronisation of BackupPC pools), Tino Schwarze
- Re: [BackupPC-users] usb slow for random access? (was Re: Using rsync for blockdevice-level synchronisation of BackupPC pools), dan
- Re: [BackupPC-users] usb slow for random access? (was Re: Using rsync for blockdevice-level synchronisation of BackupPC pools), Jim Leonard
- Re: [BackupPC-users] usb slow for random access? (was Re: Using rsync for blockdevice-level synchronisation of BackupPC pools), Dan Pritts
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Pieter Wuille
- Re: [BackupPC-users] Using rsync for blockdevice-level synchronisation of BackupPC pools, Les Mikesell
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