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Sorry you are having problems.Do you have a support case open at netapp or is there a reason you don't want to open a case?
urgrue wrote:
> Are you copying a file to a iscsi device or copying a file from a > iscsi device or is it from a iscsi device to another?there is only one iscsi device. the problem seems to be worst when writing to iscsi. reading from iscsi to local seems to work fine (at least now).some examples: copying a 3 meg file from local to iscsi was perfectly fine (about 0.02 seconds) the first ten times. the eleventh is suddenly: real 0m6.435slarger files suffer more. for example copying a 70 meg file from local to iscsi was the first time:real 0m0.533s the second: real 2m21.014s the third was even slower, about 5 mins.then it went in about 5-10 seconds about ten times in a row, which sounds about right. however the next its suddenly 6 mins again.> Could you send the output of "iscsi-ls -c"?*******************************************************************************SFNet iSCSI Driver Version ...4:0.1.11(12-Jan-2005)*******************************************************************************TARGET NAME : iqn.1992-08.com.netapp:sn.blahblahblah TARGET ALIAS : HOST ID : 17 BUS ID : 0 TARGET ID : 0 TARGET ADDRESS : x.x.x.x:3260,1 SESSION STATUS : ESTABLISHED AT Wed Apr 5 09:30:33 EEST 2006 SESSION ID : ISID 00023d000001 TSIH 4e1 TARGET CONFIGURATION KEYS : ------------------------- INITIAL R2T : No IMMEDIATE DATA : Yes HEADERDIGEST : None DATA DIGEST : None FIRSTBURSTLENGTH : 65536 MAXBURSTLENGTH : 262144 MAXRECVDATASEGMENTLENGTH: initiator - 131072 target - 65536 LOGIN TIMEOUT : 120 ACTIVE TIMEOUT : 5 IDLE TIMEOUT : 60 PING TIMEOUT : 0*******************************************************************************I've tried tweaking all those parameters quite a lot, with no noticeable effect.> And what kernel (do a "uname -a") and NIC are you using? 2.6.9-34.EL, NIC is Altima (nee Broadcom) AC9100 Gigabit Ethernet. I've also witnessed the same behaviour on another system with: 2.6.9-22.0.2.ELsmp with Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet > Could you also send your iscsi.conf file? I've gone through many revisions, at the moment its: Continuous=no HeaderDigest=never DataDigest=never ImmediateData=yes PingTimeout=0 #MaxRecvDataSegmentLength=262144 #FirstBurstLength=262144 #MaxBurstLength=16777216 #TCPWindowSize=1048576 DiscoveryAddress=x.x.x.x The first four options were suggested by NetApp. thanks for your help, fred -------------------------------------------------------This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=k&kid <http://sel.as-us.falkag.net/sel?cmd=k&kid>0944&bid$1720&dat1642_______________________________________________ linux-iscsi-users mailing list linux-iscsi-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/linux-iscsi-users
------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ linux-iscsi-users mailing list linux-iscsi-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/linux-iscsi-users
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