Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Jason Edgecombe
Jeffrey Altman wrote: > Harald Barth wrote: > >> But has anyone here on this list experimented with HW-acceleration for >> encryption? It might be a good investment for a server (I hope that >> my clients should cope). > > I doubt you will find a hw engine engine for fcrypt. > I agree, but what kin

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Chas Williams (CONTRACTOR)
In message <[EMAIL PROTECTED]>,"Christopher D. Clausen" writes: >setcrypt off command before running benchmarks. What if OpenSSH left >encryption turned off by default so people could benchmark it against >FTP? openssh sucks. ___ OpenAFS-info mailing

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Jeffrey Altman
Wesley Chow wrote: Does turning crypt off mean data in transit can be read *and* tampered with? Or read, but still safe from tampering? Also, does this imply that a server participating in the public directory is trusting that all clients are using encryption to connect to it? Is there a way

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Christopher D. Clausen
Wesley Chow <[EMAIL PROTECTED]> wrote: >> Does turning crypt off mean data in transit can be read *and* >> tampered with? Or read, but still safe from tampering? > > Also, does this imply that a server participating in the public > directory is trusting that all clients are using encryption to conn

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Wesley Chow
> > Does turning crypt off mean data in transit can be read *and* tampered > with? Or read, but still safe from tampering? Also, does this imply that a server participating in the public directory is trusting that all clients are using encryption to connect to it? Is there a way for a server to

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Jeffrey Altman
Harald Barth wrote: But has anyone here on this list experimented with HW-acceleration for encryption? It might be a good investment for a server (I hope that my clients should cope). I doubt you will find a hw engine engine for fcrypt. smime.p7s Description: S/MIME Cryptographic Signature

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Harald Barth
> What if OpenSSH left encryption turned off by default so people > could benchmark it against FTP? According to http://www.globus.org/security/overview.html that's exactly what the globus versions of the ssh stuff does: As default turn encryption off in the gsi-ssh so it does not get in the way

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Wesley Chow
Jeffrey Altman wrote: > Christopher D. Clausen wrote: > >> I think the better question is why CentOS has it _OFF_ by default. >> Packages should "fail safe" by being in the safest operating mode by >> default. > > Agreed but then you get the folks who install AFS and perform > some tests and sa

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Christopher D. Clausen
Jeffrey Altman <[EMAIL PROTECTED]> wrote: > Christopher D. Clausen wrote: >> I think the better question is why CentOS has it _OFF_ by default. >> Packages should "fail safe" by being in the safest operating mode by >> default. > > Agreed but then you get the folks who install AFS and perform > som

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Jeffrey Altman
Christopher D. Clausen wrote: I think the better question is why CentOS has it _OFF_ by default. Packages should "fail safe" by being in the safest operating mode by default. Agreed but then you get the folks who install AFS and perform some tests and say "NFS is 20 times faster, AFS sucks."

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Christopher D. Clausen
Jeffrey Altman <[EMAIL PROTECTED]> wrote: > MichaÅ, Droździewicz wrote: >> Is AFS_CRYPT really that needed that debian is turning this _ON_ by >> default? > > One of the benefits that AFS provides over other file systems > is privacy. For that you need crypt to be on. > > The Windows client defau

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Lars Schimmer
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michał Droździewicz wrote: > Jeffrey Altman pisze: >>> Is AFS_CRYPT really that needed that debian is turning this _ON_ by >>> default? >> >> One of the benefits that AFS provides over other file systems >> is privacy. For that you need crypt to be on

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Michał Droździewicz
Jeffrey Altman pisze: Is AFS_CRYPT really that needed that debian is turning this _ON_ by default? One of the benefits that AFS provides over other file systems is privacy. For that you need crypt to be on. The Windows client defaults to use of encrypted sessions as well. Ok, but if I'll turn

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Jeffrey Altman
Michał Droździewicz wrote: Is AFS_CRYPT really that needed that debian is turning this _ON_ by default? One of the benefits that AFS provides over other file systems is privacy. For that you need crypt to be on. The Windows client defaults to use of encrypted sessions as well. smime.p7s

[OpenAFS] Re: Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread S.J.Chun
nAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS S.J.Chun pisze: > For debian, /etc/openafs/afs.conf.client in case you installed with package. > There you can find AFS_CRYPT and which should be false to make crypt off With crypt disabled I get major speedup (25-31MiB/s) and this

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-08 Thread Michał Droździewicz
S.J.Chun pisze: For debian, /etc/openafs/afs.conf.client in case you installed with package. There you can find AFS_CRYPT and which should be false to make crypt off With crypt disabled I get major speedup (25-31MiB/s) and this is very similiar to the CentOS results. So this mistery is reveale

Re: [OpenAFS] Re: Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Michał Droździewicz
S.J.Chun pisze: For debian, /etc/openafs/afs.conf.client in case you installed with package. There you can find AFS_CRYPT and which should be false to make crypt off On CentOS only options for AFS Client (located in /etc/sysconfig/openafs) are: AFSD_ARGS="-afsdb -fakestat" On Debian in /etc/o

[OpenAFS] Re: Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread S.J.Chun
ubject: Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS S.J.Chun pisze: > Are you sure on disabling crypt at debian side? For me, it seems that > you turned off crypt at centos(which is turned off by default), and > debian, you did not(which might be turned on by

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Michał Droździewicz
S.J.Chun pisze: Are you sure on disabling crypt at debian side? For me, it seems that you turned off crypt at centos(which is turned off by default), and debian, you did not(which might be turned on by default?) Crypt in server settings or in client settings? Where can I check this setting? I

[OpenAFS] Re: Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread S.J.Chun
penAFS-Info Sent: 08-04-07 23:15:10 Subject: Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS Derrick Brashear pisze: > Not what I expected. When you self-compiled 1.4.6 on Debian, I assume > you downloaded a tarfile from OpenAFS and did ./configure; make,

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Micha? Droz'dziewicz
Harald Barth, dnia 2008-04-07 18:21 napisal: What happens if you compare with memory cache in both cases? Could it be the HD driver? A strace with the times for the different syscalls might be interresting. And, eh, good luck. Can't be HD driver - dd in both cases (Debian and CentOS) shows transf

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Michał Droździewicz
Derrick Brashear, dnia 2008-04-07 18:13 napisal: Well, all that's left is compiling CentOS' kernel on Debian; If you're willing it's certainly a valuable data point. I'll try to test it tomorrow and will submit some new data. -- Mike D ___ OpenAFS-inf

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Harald Barth
What happens if you compare with memory cache in both cases? Could it be the HD driver? A strace with the times for the different syscalls might be interresting. And, eh, good luck. Harald. ___ OpenAFS-info mailing list OpenAFS-info@openafs.org https://

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Derrick Brashear
On Mon, Apr 7, 2008 at 11:55 AM, Michał Droździewicz <[EMAIL PROTECTED]> wrote: > Derrick Brashear, dnia 2008-04-07 17:40 napisal: > > > > > > > > The same in both configs. > > > > > > > > Well, the kernel config options certainly aren't if you're using > > CentOS's kernel in one case and Debian's

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Michał Droździewicz
Derrick Brashear, dnia 2008-04-07 17:40 napisal: The same in both configs. Well, the kernel config options certainly aren't if you're using CentOS's kernel in one case and Debian's in another. :�§ I've compiled debian kernel package using kernel config from CentOS but this was no help at all.

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Derrick Brashear
On Mon, Apr 7, 2008 at 11:16 AM, Michał Droździewicz <[EMAIL PROTECTED]> wrote: > Derrick Brashear, dnia 2008-04-07 17:04 napisal: > > > > > > > and I've > > > compiled from source with no options for ./configure except from > --prefix > > > In both cases the result was the same - slow speed aroun

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Michał Droździewicz
Derrick Brashear, dnia 2008-04-07 17:04 napisal: and I've compiled from source with no options for ./configure except from --prefix In both cases the result was the same - slow speed around 8-12MiB (copying from local disk to AFS structure) Parameters you gave to afsd, in both (CentOS and Deb

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Michał Droździewicz
Hartmut Reuter, dnia 2008-04-07 16:59 napisal: Are you sure your network interface is used in GBit/s mode with Debian and not just 100MBit-mode? 1) Iface is in 1000Mib mode 2) copying files from local disk to AFS structure (iface is omitted in this test) was slow, not the network copying -- M

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Derrick Brashear
On Mon, Apr 7, 2008 at 10:15 AM, Michał Droździewicz <[EMAIL PROTECTED]> wrote: > Derrick Brashear pisze: > > > > Not what I expected. When you self-compiled 1.4.6 on Debian, I assume > > you downloaded a tarfile from OpenAFS and did ./configure; make, yes? > > What options, if any, to configure? >

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Hartmut Reuter
Michał Droździewicz wrote: Derrick Brashear pisze: Not what I expected. When you self-compiled 1.4.6 on Debian, I assume you downloaded a tarfile from OpenAFS and did ./configure; make, yes? What options, if any, to configure? I've build a debian package using default debian options (1.4.6) a

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Michał Droździewicz
Derrick Brashear pisze: Not what I expected. When you self-compiled 1.4.6 on Debian, I assume you downloaded a tarfile from OpenAFS and did ./configure; make, yes? What options, if any, to configure? I've build a debian package using default debian options (1.4.6) and I've compiled from source w

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-07 Thread Derrick Brashear
On Mon, Apr 7, 2008 at 2:42 AM, Michał Droździewicz <[EMAIL PROTECTED]> wrote: > Derrick Brashear pisze: > > > > I care about kernel, not OS. What kernel version on those machines? > > > Default distribution kernel: > on Debian: 2.6.18-6-686 i686 > on CentOS: 2.6.18-53.1.14.el5 i686 > Not what

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-06 Thread Michał Droździewicz
Derrick Brashear pisze: I care about kernel, not OS. What kernel version on those machines? Default distribution kernel: on Debian: 2.6.18-6-686 i686 on CentOS: 2.6.18-53.1.14.el5 i686 -- xmpp/email: [EMAIL PROTECTED] xmpp/email: [EMAIL PROTECTED] ___

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-06 Thread Derrick Brashear
I care about kernel, not OS. What kernel version on those machines? > Lets say that the performance was like 250% better with 1.4.6 on CentOS 5 > than with 1.4.2 on Debian 4.0. I've even compiled 1.4.6 and 1.5.34 on Debian > 4.0 but performance was the same. > ___

Re: [OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-06 Thread Michał Droździewicz
For starters: I'm replying to the list - maybe somebody would be interested. Sergio Gelato, dnia 2008-04-06 21:20 napisal: * Michał Droździewicz [2008-04-06 10:07:18 +0200]: First I've tried to install OpenAFS with Debian 4.0 (etch) on 3 different machines (beginning from old Celeron, through P

[OpenAFS] Speed difference between OpenAFS 1.4.x on Debian and CentOS

2008-04-06 Thread Michał Droździewicz
Hello all, Recently I've spent some time testing speed of OpenAFS server installation on different machines and operating systems. First I've tried to install OpenAFS with Debian 4.0 (etch) on 3 different machines (beginning from old Celeron, through Pentium 4 and at the end on Xeon 3GHz). Sp