retransfer fail of large files with inplace and broken pipe
raschel at edvantice.de
Sun Dec 13 23:06:32 MST 2009
Thx to all,
it was the -u option which prevents rsync to resume the file.
"Tony Abernethy" <tony at servasoftware.com> schrieb im Newsbeitrag
news:AF5EF1769D564645A9ACC947375F0D0215670875E6 at winxbeus13.exchange.xchg...
> Tom wrote:
>> to make things more clear
>> first transfer is done either a initial setup or with a usb hdd to get
>> sender and receiver in sync.
>> transfer does not stop because rsync had a timeout, it stops because
>> the dsl
>> line is broken (which i could see at dyndns)
>> if dsl line is stable the transfer is successfull (which works
>> most of the time)
>> i am searching for a way to reduce the time to retransfer the file or
>> other words to resume the filetransfer after a broken pipe
>> (e.g. if you download a 4.4 GB Centos Image it is comfortable to resume
>> transfer of a 99 % transfered file instead to download all from
> But you already have 100% of the image, only it is an older version of the
> The only thing I've found that works (and this is ONLY on something UNIXy)
> to monitor the temporary file on the target and if it is "big enough",
> rename it
> to the intended target file before the target rsync destroys it.
> For real disasters, you can attempt to automate this process.
>> > First: Transfer or re-transfer. I think, particularly with bad
>> > connections,
>> > you need to treat those VERY differently.
>> > For the initial transfer, --partial should help.
>> > For retransfers, where stuff in the middle has changed, I would
>> expect the
>> > necessary state information to exist ONLY in the two running
>> > and
>> > that information is lost if the connection goes down.
>> > This includes the connection dying because both sides are going
>> > the
>> > file and have nothing worthwhile to say to each other.
>> > As usual, flames invited if I've got any of this wrong.
>> > --
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