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Are these files new files being initially copied or are they modified
files being updated?
Does --whole-file or --inplace make a difference?
On 01/03/12 08:42, R. Pietsch wrote:
>
> Hi!
>
> I do a rsync between 2 machines. The throughput is only 2
> MByte/Sec.
>
> Each machine is a Supermicro server with 2 x 8 Core Opteron 6128 64
> GByte of ECC RAM 1 LSI MegaRAID SAS 9280-24i4e 24 x 2TByte SATA
> Disks as a RAID6 2 Intel Corporation 82599EB 10-Gigabit SFI/SFP+
> Network-cards
>
> Both run Ubuntu 11.04 64Bit. Both use rsync version 3.0.7 protocol
> version 30
>
> There are no errors reported. The local read and write rate to the
> disks is 1,1 GB/s. A network test shows 800MByte/s over the direct
> coupled network-cards. The CPU-usage is 5 to 7% of one core.
> Memory-usage is 1703 out of 64557MB. There are no other jobs
> running on the two machines. The LSI controllers both say: State:
> Optimal
>
>
> machine A has a rsync-daemon with the following configuration:
> ---------- read only = false use chroot = false hosts allow =
> 10.99.11.0/24 [Daten1] path = /var/daten1 use chroot = yes read
> only = yes list = yes uid = root gid = root strict modes = yes
> ignore errors = no ignore nonreadable = yes transfer logging = no
> timeout = 600 refuse options = checksum dry-run dont compress = *
> ----------
>
> machine B runs:
>
> /usr/bin/rsync -ax --numeric-ids --delete --delete-excluded \
> --exclude-from=/Backup/RB_None.excl \
> --link-dest=/Backup/Base/xxxxx \ rsync://root@10.99.11.11/Daten1/
> \ /Backup/Base/yyyyyyy \ --no-c --no-z
>
> The files are all about 8 MB in size.
>
> 8302592 100% 1.98MB/s 0:00:04 (xfer#861,
> to-check=51173/94679)
>
> The same - slow - transfer happens at 1GB and 5GB files.
>
>
> Any ideas what can cause this slow transmission?
>
>
- --
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Kevin Korb Phone: (407) 252-6853
Systems Administrator Internet:
FutureQuest, Inc. ke...@futurequest.net (work)
Orlando, Florida k...@sanitarium.net (personal)
Web page: http://www.sanitarium.net/
PGP public key available on web site.
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