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miikew
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Joined: 28 Oct 2009
Posts: 77

PostPosted: Mon Dec 21, 2009 3:54 pm    Post subject: Reply with quote

hi

solving my last problem with throughput, i found that from my one HDD i have normal transfer but from other i have quarter of it so i'm looking now for hardware problems

during nice using off my server i noticed that when i'm on vnc window from other PC when i click Kde>logout i have black screen and nothin happens, so i close vnc and i need to delete X1 file to could connect next time

how to correctly logout from vnc session ?

now i have problem at all to connect my server

when i want to start rc.vncservers i get this :

/./etc/rc.d/rc.vncservers status
Xvnc is not running!
> /./etc/rc.d/rc.vncservers start
Starting VNC server: 1:root vncserver: The USER environment variable is not set.
failure


dont know how to solve this, either google dont know
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gerasimos_h
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Joined: 09 Aug 2007
Posts: 1752
Location: Greece

PostPosted: Mon Dec 21, 2009 6:39 pm    Post subject: Reply with quote

Actually you can't logout, since when running vnc logins in X server as user.
start vnc servers login through ssh and do an 'uptime' and you will see all the vnc sessions as users logged in.
Just close the session, and if you use more than one users don't use the same display number.

gerasimos_h

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miikew
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Joined: 28 Oct 2009
Posts: 77

PostPosted: Tue Dec 22, 2009 12:30 am    Post subject: Reply with quote

i couldnt start because i was trying run the service from webmin

from putty it runs allright
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miikew
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Joined: 28 Oct 2009
Posts: 77

PostPosted: Tue Dec 22, 2009 11:38 am    Post subject: Reply with quote

i cannot find any tool to check what kind of hardware i have inside my serv

something like everest for windows

can you shot me with some name ?
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miikew
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Joined: 28 Oct 2009
Posts: 77

PostPosted: Tue Dec 22, 2009 1:04 pm    Post subject: Reply with quote

i have one more question
i'm not familiar with multithreading in linux so maybe you can help me, i have possibility to change my server to little better one but i dont know is this exchange is it worth the effort

here is specs for new server

SERWER IBM NETFINITY 5000
Parametry:
- p³yta g³ówna 2 procesorowa,
- procesory 2 x Intel Pentium III 500MHz,
- ram 256MB SDRAM ECC,
- dyski 4 x 9,1GB SCSI,
- napêdy: cd-rom, floop,
- 2 x LAN,
- RAID IBM SERVERAID PCI PN 01K7352

i have now single p3 500 and dont know whats better, change my uP to ~1ghz or change whole server to double 500mhz

for now my Server consuming 50W-70W

dont know the the double 500 solution but changing my uP to 1Ghz will increase power consumption only by 10W i think

what about linux ? do i need to reinstall everything ? or just move HDD from old one to new one ?
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gerasimos_h
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Joined: 09 Aug 2007
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Location: Greece

PostPosted: Tue Dec 22, 2009 9:12 pm    Post subject: Reply with quote

Webmin has a sysinfo module alternative you can use 'lspci' in bash.
I don't think you have a processor issue, and pentium III processors are not so power hungry.
You new server is better, but you need to put more RAM in your machine.
Migrating from one server to another is quite easy just plug your disk and bootup, and since you are having 4 SCSI disks and a hardware RAID, I would recommend a RAID10 setup.
Just boot from SMS Native or Live CD, mount your old and new disk and do
'cp -a /mnt/olddisk/* /mnt/newdisk'
and afterwards run 'lilo -r /mnt/newdisk' you might need to alter /etc/lilo.conf and /etc/fstab on your new disk before running your lilo command.
You can alternative use your favorite clone software such as ghost or acronis to do that.

gerasimos_h

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miikew
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PostPosted: Wed Dec 23, 2009 12:50 am    Post subject: Reply with quote

about RAM im not sure, i see always in webmin on first page that :

0.67 (1 min) 0.36 (5 mins) 0.13 (15 mins)
Real memory 497.33 MB total, 214.20 MB used
Virtual memory 2.44 GB total, 51.78 MB used
Local disk space 1.80 TB total, 1.24 TB used

so 512 should be enough, but often see that in 15 mins probing my uP has 0.80 load so its a little bit too much, also i will be upgrading for another lan card so i now standing with two choices :
- add another lan card and change uP to 1ghz
- change to other server with 2xuP500mhz

i will not use those scsi hdd's, each of them consumes 10-12W and right now my whole server consumes 50W (with 8gb,1tb,1tb hdd's) so no way Smile

i will have some free time on christmas so i will try to get uP 1ghz and also CF card with CF_to_IDE extension and i will measure power consumes of this configuration

My goal is to not to go over 60W

BTW for getting info i used lshw - it has more detials on hardware than lspci
BTW2 i think something is wrong with one of my 1TB HDDs, i have transfer from it on level 3-4mb and from other 9-11,
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gerasimos_h
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PostPosted: Wed Dec 23, 2009 6:32 am    Post subject: Reply with quote

Are your disk are identical brand and type?
You can use hdparm to do some testings on your disks.
"hdparm -Tt /dev/sda1" "hdparm -Tt /dev/sdb1" and compare the results.

gerasimos_h

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miikew
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PostPosted: Wed Dec 23, 2009 7:44 pm    Post subject: Reply with quote

what do you think about that ?

/dev/sda1:
Timing cached reads: 250 MB in 2.01 seconds = 124.13 MB/sec
Timing buffered disk reads: 128 MB in 3.01 seconds = 42.54 MB/sec
root@mediaserver:~# hdparm -Tt /dev/sdb1

/dev/sdb1:
Timing cached reads: 250 MB in 2.01 seconds = 124.21 MB/sec
Timing buffered disk reads: 44 MB in 3.39 seconds = 12.98 MB/sec
root@mediaserver:~# hdparm -Tt /dev/sdb1

/dev/sdb1:
Timing cached reads: 250 MB in 2.01 seconds = 124.14 MB/sec
Timing buffered disk reads: 24 MB in 3.37 seconds = 7.12 MB/sec
root@mediaserver:~# hdparm -Tt /dev/sda1

/dev/sda1:
Timing cached reads: 248 MB in 2.01 seconds = 123.53 MB/sec
Timing buffered disk reads: 164 MB in 3.02 seconds = 54.30 MB/sec
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gerasimos_h
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PostPosted: Wed Dec 23, 2009 8:19 pm    Post subject: Reply with quote

Are your disks are identical regarding cache (8MB, 16MB, 32MB) and speed (SATA 1/2)?
Have you try changing controller's SATA ports?
Does sdb1 is working on seeding, downloading?

gerasimos_h

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miikew
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PostPosted: Mon Jan 11, 2010 1:51 pm    Post subject: Reply with quote

i didn't change the PC, i'm waiting for new mb with atom on board Smile

i have two 1TB hdd, one is regular samsung, second is green WD, problem is with WD, also WD is used to store rtorrent downloads but during speed tests i kill rtorrent
those disks are new so they both have 32mb cache and they are sata2 disks


don't know is this right place to ask but i will ask anyway,

How antivirus works on linux ? i activated clamav and its working all the time but i found lot of viruses on my media drives, probably one of the pc from my network put them to mapped drives
anyway i thought that antivirus will prevent that kind of situation like in windows, that it is not possible to infect mapped drives, i needed to remove lot of data (exe-files only ) and today i found another so it is still infecting but dont know from where

when i will be migrating to a new PC i want to install SMS from the beginning but i want to backup some of the settings like, rtorrent paths and users, also nfs shares
can you help me with collectiing that data ?
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gerasimos_h
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PostPosted: Mon Jan 11, 2010 7:08 pm    Post subject: Reply with quote

WD Green series are not the fastest WD disks comparing with Caviar Black or Blue but I had no issues with them.

You can use avast antivirus for linux which has resident protection.
Clamav it's for scanning mails, but you can add a cron job to scan selected folders or drivers but will decrease you performance.
You could clean your drives with "clamscan" instead of deleting manually files.

I would recommend downloading Malwarebyte's Anti-Malware from malwarebytes.org and clean your PCs and additionally installing Avast! or any other antivirus on your PCs.

Rtorrent configs are under /home/Administrator if you haven't change them.
NFS shares are in /etc/exports.
Mainly if you backup your /etc/ folder contains almost all the configuration data.
Don't need to reinstall SMS though, It's not windows it's linux Wink

gerasimos_h

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miikew
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PostPosted: Mon Jan 11, 2010 7:45 pm    Post subject: Reply with quote

so clamav is not memory resident program ? hmm

i'm using avast on all my windows machines, unfortunatelly sometimes something go through it and bad things happens Sad

performance is less needed if data is unprotected
i will give it a try,

if i will upload smart log from drives, can you figure out whats happening ? because i suspect drive faults, WD is my bad guy,
anyway my hardware knowledge says me that smart should loud out it to me that smth wrong with the drive
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gerasimos_h
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PostPosted: Mon Jan 11, 2010 8:03 pm    Post subject: Reply with quote

If you clean your PCs with Anti-Malware I don't think you will have problems.
SMART not always catch the problem, send me the logs though to take a look.
MB migration might fix you issues, certainly will make a difference of what you have now, since there will be no "bottleneck" issues.

gerasimos_h

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miikew
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PostPosted: Tue Jan 12, 2010 11:50 am    Post subject: Reply with quote

here is smart report from webmin

Location Urz±dzenie IDE A Drive size 8.03 GB
Make and model ST38410A Supports SMART? Tak
SMART enabled? Tak Passed drive check? Tak
Offline data collection status Offline data collection activity was completed without error.
Auto Offline Data Collection: Enabled.
Self-test execution status The previous self-test routine completed without error or no self-test has ever been run.
Total time to complete Offline data collection 2400 seconds.
Offline data collection capabilities SMART execute Offline immediate.
No Auto Offline data collection support.
Abort Offline collection upon new command.
Offline surface scan supported.
Self-test supported.
No Conveyance Self-test supported.
No Selective Self-test supported.
SMART capabilities Saves SMART data before entering power-saving mode.
Supports SMART auto save timer.
Error logging capability Error logging supported.
No General Purpose Logging support.
Short self-test routine recommended polling time 2 minutes.
Extended self-test routine recommended polling time 10 minutes.
Raw Read Error Rate 202108466
Spin Up Time 0
Start Stop Count 1470
Reallocated Sector Ct 22
Seek Error Rate 4337021034
Power On Hours 7586
Spin Retry Count 0
Power Cycle Count 1712
Current Pending Sector 0
Offline Uncorrectable 0


Location Urz±dzenie SCSI A Drive size 931.51 GB
Make and model ATA SAMSUNG HD103SI Supports SMART? Tak
SMART enabled? Tak Passed drive check? Tak
Offline data collection status Offline data collection activity was never started.
Auto Offline Data Collection: Disabled.
Self-test execution status The previous self-test routine completed without error or no self-test has ever been run.
Total time to complete Offline data collection 13163 seconds.
Offline data collection capabilities SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new command.
Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities Saves SMART data before entering power-saving mode.
Supports SMART auto save timer.
Error logging capability Error logging supported.
General Purpose Logging supported.
Short self-test routine recommended polling time 2 minutes.
Extended self-test routine recommended polling time 220 minutes.
Conveyance self-test routine recommended polling time 23 minutes.
SCT capabilities SCT Status supported.
SCT Feature Control supported.
SCT Data Table supported.
Raw Read Error Rate 5939
Spin Up Time 6390
Start Stop Count 121
Reallocated Sector Ct 43
Seek Error Rate 0
Seek Time Performance 0
Power On Hours 2374
Spin Retry Count 0
Calibration Retry Count 0
Power Cycle Count 110
Read Soft Error Rate 5357
Unknown Attribute 0
Unknown Attribute 0
Reported Uncorrect 16191
Unknown Attribute 0
Airflow Temperature Cel 21
Temperature Celsius 22
Hardware ECC Recovered 360563
Reallocated Event Count 43
Current Pending Sector 73
Offline Uncorrectable 0
Multi Zone Error Rate 1
Soft Read Error Rate 0


Location Urz±dzenie SCSI B Drive size 931.51 GB
Make and model ATA WDC WD10EADS-00P Supports SMART? Tak
SMART enabled? Tak Passed drive check? Tak
Offline data collection status Offline data collection activity was suspended by an interrupting command from host.
Auto Offline Data Collection: Enabled.
Self-test execution status The previous self-test routine completed without error or no self-test has ever been run.
Total time to complete Offline data collection 23400 seconds.
Offline data collection capabilities SMART execute Offline immediate.
Auto Offline data collection on/off support.
Suspend Offline collection upon new command.
Offline surface scan supported.
Self-test supported.
Conveyance Self-test supported.
Selective Self-test supported.
SMART capabilities Saves SMART data before entering power-saving mode.
Supports SMART auto save timer.
Error logging capability Error logging supported.
General Purpose Logging supported.
Short self-test routine recommended polling time 2 minutes.
Extended self-test routine recommended polling time 255 minutes.
Conveyance self-test routine recommended polling time 5 minutes.
SCT capabilities SCT Status supported.
SCT Feature Control supported.
SCT Data Table supported.
Raw Read Error Rate 0
Spin Up Time 6008
Start Stop Count 91
Reallocated Sector Ct 0
Seek Error Rate 0
Power On Hours 1846
Spin Retry Count 0
Calibration Retry Count 0
Power Cycle Count 84
Power-Off Retract Count 70
Load Cycle Count 12762
Temperature Celsius 29
Reallocated Event Count 0
Current Pending Sector 0
Offline Uncorrectable 0
Multi Zone Error Rate 0

any clues ?
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