Re: [CentOS] Shared object packaging in rpm

2011-06-25 Thread Ned Slider
On 25/06/11 02:15, Joseph L. Casale wrote: > I whipped up a quick spec to package Zenoss' wmi client and noticed it > creates a > libasync_wmi_lib.so.0 and libasync_wmi_lib.so.0.0.1 that their python script > would > otherwise copy during its install routine (obviously I wrote a native rpm > sec

Re: [CentOS] Shared object packaging in rpm

2011-06-25 Thread Ned Slider
On 25/06/11 10:04, Ned Slider wrote: > On 25/06/11 02:15, Joseph L. Casale wrote: >> I whipped up a quick spec to package Zenoss' wmi client and noticed it >> creates a >> libasync_wmi_lib.so.0 and libasync_wmi_lib.so.0.0.1 that their python script >> would >> otherwise copy during its install ro

[CentOS] how do determine last file system on disk?

2011-06-25 Thread Rudi Ahlers
Hi all, Does anyone know how to determine which file system a disk was formatted with, if fdisk -l doesn't show it? usb-storage: device found at 5 usb-storage: waiting for device to settle before scanning Vendor: Model: Rev: Type: Direct-Access

Re: [CentOS] how do determine last file system on disk?

2011-06-25 Thread Always Learning
> Does anyone know how to determine which file system a disk was > formatted with, if fdisk -l doesn't show it? I would use gparted from the command line or from Gnome's / Applications / System Tools menu yum install gparted -- With best regards, Paul. England, EU. __

Re: [CentOS] how do determine last file system on disk?

2011-06-25 Thread Robert Heller
At Sat, 25 Jun 2011 13:46:01 +0200 CentOS mailing list wrote: > > > > Hi all, > > Does anyone know how to determine which file system a disk was formatted > with, if fdisk -l doesn't show it? > > > > usb-storage: device found at 5 > usb-storage: waiting for device to settle before scannin

Re: [CentOS] how do determine last file system on disk?

2011-06-25 Thread Robert Nichols
On 06/25/2011 06:46 AM, Rudi Ahlers wrote: > Hi all, > > Does anyone know how to determine which file system a disk was formatted with, > if fdisk -l doesn't show it? [snip] > I need to see what data is on a bunch of disks that I found in storage and > would > prefer to first check if there's anyt

Re: [CentOS] how do determine last file system on disk?

2011-06-25 Thread Keith Roberts
On Sat, 25 Jun 2011, Always Learning wrote: > To: CentOS mailing list > From: Always Learning > Subject: Re: [CentOS] how do determine last file system on disk? > > > >> Does anyone know how to determine which file system a disk was >> formatted with, if fdisk -l doesn't show it? > > I would us

Re: [CentOS] how do determine last file system on disk?

2011-06-25 Thread Lamar Owen
On Saturday, June 25, 2011 07:46:01 AM Rudi Ahlers wrote: > Does anyone know how to determine which file system a disk was formatted > with, if fdisk -l doesn't show it? blkid -s TYPE On a C5 box here: [root@backup670 ~]# blkid -s TYPE /dev/mapper/vg_backup670-lv_root: TYPE="ext3" /dev/md1: TYPE

Re: [CentOS] Jumbo frames problem with Realtek NICs?

2011-06-25 Thread Gordon Messmer
On 06/23/2011 10:20 AM, Emmanuel Noobadmin wrote: > I assumed 4K would still be better than nothing but unfortunately > bumping up the MTU to anything else but 1.5K caused the file transfers > (using NFS for easy testing), to hang at random points or more > accurate slow to a crawl. I don't know a

Re: [CentOS] Shared object packaging in rpm

2011-06-25 Thread Joseph L. Casale
>> http://www.ibm.com/developerworks/library/l-shobj/ Thanks, that was informative. >> As Ljubomir said, libasync_wmi_lib.so.0 will be a symlink to >> libasync_wmi_lib.so.0.0.1. You can use objdump to find the soname(s) for >> shared objects, e.g: >> >> objdump -p /path/to/libasync_wmi_lib.so.0.0

Re: [CentOS] Jumbo frames problem with Realtek NICs?

2011-06-25 Thread Emmanuel Noobadmin
On 6/26/11, Gordon Messmer wrote: > I don't know anything specifically about those cards, but you'll see > that behavior on any card unless all of the hosts on a broadcast domain > are using the same MTU. You need to set all of the devices on a LAN > segment, including the router, to the same MT

[CentOS] Jumbo Frame performance or lackof?

2011-06-25 Thread Emmanuel Noobadmin
After successfully getting higher MTU to work on my Realtek NICs, I started testing the impact of higher MTU on file transfers using NFS exported ramdisk to ramdisk. The results were unexpected. The higher the MTU on the sending NIC, the lower the file transfer speed. I tested by using time cp to

Re: [CentOS] Jumbo frames problem with Realtek NICs?

2011-06-25 Thread Ljubomir Ljubojevic
Emmanuel Noobadmin wrote: > Ironically, even at 1500MTU, I was able to hit the full 100+ MB/s > speed available on a single Gigabit link so it seems my experiment was > a bit futile. > ___ > CentOS mailing list > CentOS@centos.org > http://lists.centos.or

Re: [CentOS] Jumbo Frame performance or lackof?

2011-06-25 Thread Ljubomir Ljubojevic
Emmanuel Noobadmin wrote: > I'm wondering, that since Jumbo Frames was supposed to be better for > bulk transfers, why am I seeing these results? Is it the ElRepo > drivers I used to enable higher MTUs or possibly some kind of oddity > with the realtek NICs I am using? Or am I mistaken about the be

[CentOS] sendmail - smtp security/authentication & port 587 issues

2011-06-25 Thread Max Pyziur
Greetings, I'm refining a CentOs configuration installation, now just over one month old running on a colocated production server. Previously, we ran a version of Fedora for over seven years. Specifically, I'm reviewing our sendmail configuration, both with respect to authentication and port

Re: [CentOS] Jumbo frames problem with Realtek NICs?

2011-06-25 Thread Gordon Messmer
On 06/25/2011 12:05 PM, Emmanuel Noobadmin wrote: > > Default Driver -> ElRepo driver > 1500 MTU -> 3000 MTU = OK That's not going to be reliable. Sooner or later, you'll see the mount hang (any transfer may) if your MTUs don't match. ___ CentOS mail

Re: [CentOS] sendmail - smtp security/authentication & port 587 issues

2011-06-25 Thread Alexander Dalloz
Am 25.06.2011 23:50, schrieb Max Pyziur: > > Greetings, > > I'm refining a CentOs configuration installation, now just over one month > old running on a colocated production server. Previously, we ran a version > of Fedora for over seven years. > > Specifically, I'm reviewing our sendmail conf

Re: [CentOS] sendmail - smtp security/authentication & port 587 issues

2011-06-25 Thread Alexander Dalloz
Am 25.06.2011 23:50, schrieb Max Pyziur: > > Greetings, > > I'm refining a CentOs configuration installation, now just over one month > old running on a colocated production server. Previously, we ran a version > of Fedora for over seven years. > > Specifically, I'm reviewing our sendmail conf

Re: [CentOS] Jumbo Frame performance or lackof?

2011-06-25 Thread Gordon Messmer
On 06/25/2011 01:13 PM, Emmanuel Noobadmin wrote: > The results were unexpected. The higher the MTU on the sending NIC, > the lower the file transfer speed. What kind of switch are you using? If your switches don't support large packets, you'll also see slowdowns like that. _

Re: [CentOS] sendmail - smtp security/authentication & port 587 issues

2011-06-25 Thread Max Pyziur
On Sun, 26 Jun 2011, Alexander Dalloz wrote: > Am 25.06.2011 23:50, schrieb Max Pyziur: >> >> Greetings, >> >> I'm refining a CentOs configuration installation, now just over one month >> old running on a colocated production server. Previously, we ran a version >> of Fedora for over seven years.

Re: [CentOS] Jumbo frames problem with Realtek NICs?

2011-06-25 Thread Ross Walker
On Jun 25, 2011, at 3:05 PM, Emmanuel Noobadmin wrote: > Ironically, even at 1500MTU, I was able to hit the full 100+ MB/s > speed available on a single Gigabit link so it seems my experiment was > a bit futile. Jumbo frames don't give higher throughput, but lower CPU. I find standard frames gi

Re: [CentOS] Strange issue's with LDAP and too many open files

2011-06-25 Thread Carlos André
Check also 'timeout' at slapd.conf. I solved my problem setting "timeout 30" at slapd.conf On Fri, Jun 24, 2011 at 10:49 AM, Sebastiaan Koetsier | proserve wrote: > Hi Steve, > > The change of /etc/sysconfig/ldap did the trick, thanks for your help! > > Cheers, > Sebastiaan. > _

Re: [CentOS] Jumbo frames problem with Realtek NICs?

2011-06-25 Thread Emmanuel Noobadmin
On 6/26/11, Gordon Messmer wrote: > On 06/25/2011 12:05 PM, Emmanuel Noobadmin wrote: >> >> Default Driver -> ElRepo driver >> 1500 MTU -> 3000 MTU = OK > > That's not going to be reliable. Sooner or later, you'll see the mount > hang (any transfer may) if your MTUs don't match. Thanks for the

Re: [CentOS] Jumbo frames problem with Realtek NICs?

2011-06-25 Thread Emmanuel Noobadmin
On 6/26/11, Ross Walker wrote: > Jumbo frames don't give higher throughput, but lower CPU. > > I find standard frames give better throughput for 4K block sizes like one > typically finds with file systems. > > You really don't need to go to jumbo frames until you reach 10Gbps speed. This was pre

Re: [CentOS] Jumbo Frame performance or lackof?

2011-06-25 Thread Emmanuel Noobadmin
On 6/26/11, Gordon Messmer wrote: > On 06/25/2011 01:13 PM, Emmanuel Noobadmin wrote: >> The results were unexpected. The higher the MTU on the sending NIC, >> the lower the file transfer speed. > > What kind of switch are you using? If your switches don't support large > packets, you'll also see