-Original Message-
From: Koen Vermeer [mailto:k...@vermeer.tv]
Sent: den 17 oktober 2014 21:49
To: backuppc-users@lists.sourceforge.net
Subject: Re: [BackupPC-users] Using NFS to increase backup speed
[root@cyndane ~]# yes | pv | ssh titan cat /dev/null
1.16GiB 0:01:29 [14.3MiB
-Original Message-
From: Les Mikesell [mailto:lesmikes...@gmail.com]
Sent: den 17 oktober 2014 16:57
To: General list for user discussion, questions and support
Subject: Re: [BackupPC-users] Using NFS to increase backup speed
I was worried the full backup wouldn't complete
-Original Message-
From: Koen Vermeer [mailto:k...@vermeer.tv]
Sent: den 16 oktober 2014 17:29
To: General list for user discussion, questions and support
Subject: Re: [BackupPC-users] Using NFS to increase backup speed
What about testing the speed over the ssh tunnel? That may
-Original Message-
From: Colin Shorts [mailto:c.sho...@intrallect.com]
Sent: den 16 oktober 2014 17:58
To: backuppc-users@lists.sourceforge.net
Subject: Re: [BackupPC-users] Using NFS to increase backup speed
You may wish to prevent ssh from using compression when using a fast link
-Original Message-
From: Les Mikesell [mailto:lesmikes...@gmail.com]
Sent: den 16 oktober 2014 18:09
To: General list for user discussion, questions and support
Subject: Re: [BackupPC-users] Using NFS to increase backup speed
I'm seeing network speeds at about 35-45 Mbps when
-Original Message-
From: Les Mikesell [mailto:lesmikes...@gmail.com]
Sent: den 16 oktober 2014 18:09
To: General list for user discussion, questions and support
Subject: Re: [BackupPC-users] Using NFS to increase backup speed
I'm seeing network speeds at about 35-45 Mbps when
Hi,
Sorin Srbu wrote on 2014-10-16 12:25:53 + [[BackupPC-users] Using NFS to
increase backup speed]:
I'm seeing network speeds at about 35-45 Mbps when using BackupPC and rsync
over ssh.
it is a frequent misconception that you *want* to see anything close to the
speed the network
On Fri, Oct 17, 2014 at 5:38 AM, Sorin Srbu sorin.s...@orgfarm.uu.se wrote:
That sounds pretty good. But unless you have a lot of new files
created daily, the bottleneck is usually disk speed, especially
merging a lot of small changes into a big existing file.
Not too many new files daily,
-Original Message-
From: Les Mikesell [mailto:lesmikes...@gmail.com]
Sent: den 17 oktober 2014 14:55
To: General list for user discussion, questions and support
Subject: Re: [BackupPC-users] Using NFS to increase backup speed
Not too many new files daily, the reading is done from
On Fri, Oct 17, 2014 at 8:29 AM, Sorin Srbu sorin.s...@orgfarm.uu.se wrote:
I was worried the full backup wouldn't complete in the limited time the BPC
server in online.
For practical reasons (well, because of the hd-space available really), the
server used is off during nights in order to
On 10/17/2014 09:40 AM, Sorin Srbu wrote:
What about testing the speed over the ssh tunnel? That may tell you
whether ssh is slowing down your transfers or that it's due to rsync. If it
is
ssh, you could trade encryption strength for speed.
Would the below do?
[root@cyndane ~]# yes | pv |
Hi all,
I'm seeing network speeds at about 35-45 Mbps when using BackupPC and rsync
over ssh.
Running iperf below I notice the network should theoretically be capable of a
bit more than that. I understand that ssh adds quite a bit of bottleneck.
[root@titan ~]# iperf -c cyndane
What about testing the speed over the ssh tunnel? That may tell you whether ssh
is slowing down your transfers or that it's due to rsync. If it is ssh, you
could trade encryption strength for speed.
Best,
Koen
On October 16, 2014 2:25:53 PM CEST, Sorin Srbu sorin.s...@orgfarm.uu.se
You may wish to prevent ssh from using compression when using a fast
link, the overhead probably isn't worth it and may give you a reasonable
boost in throughput.
Like Koen said, you'll want to benchmark the different scenarios.
Regards,
Colin
On 16/10/14 16:28, Koen Vermeer wrote:
What
On Thu, Oct 16, 2014 at 7:25 AM, Sorin Srbu sorin.s...@orgfarm.uu.se wrote:
I'm seeing network speeds at about 35-45 Mbps when using BackupPC and rsync
over ssh.
That sounds pretty good. But unless you have a lot of new files
created daily, the bottleneck is usually disk speed, especially
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