Downloads through LAG slow down, freeze or result into broken files

  • 7005294
  • 04-Feb-2010
  • 26-Apr-2012

Environment

Novell Access Manager 3 Linux Access Gateway
Novell Access manager 3 Linux Access Gateway Service Pack 4 Interim Release 3

Novell Access Manager 3.1 Linux Access Gateway
Novell Access manager 3.1 Linux Access Gateway Service Pack 1 Interim Release 2

Situation

  • Linux Access Gateway installed as VMWare guest system with 1GB of memory and a virtual disk of 8 GB
  • Using the standard installation process will generate the following partitions
             
    • Cache Object Store (COS) partition of "3.91GB"
    • root  => "2.1GB"
    • boot  =>  "38MB"
    • var   => "2.1GB

  • File downloads through LAG slow down or freeze and will result into broken (truncated) files
  • Files bigger than 520 MB cannot be downloaded

Resolution

The Linux Access Gateway has a minumum required of a 30GB disk as stated in the Novell Access Manager Installation Guide Section " Planning Your Partition Strategy". The recommended size is about 100GB. The COS partition should be at least "4x" as the maximum downloadable file size.


Additional Information

Troubleshooting

  • Enabled the LOG_DEBUG level on the Linux Access Gateway as documented in the Novell Access manager Admin Guide Section "Linux Access Gateway logging"

  • The "/var/log/ics_dyn.log" will report the following error condition

    AM#304508000: AMDEVICEID#ag-14890B2A55C5222: AMAUTHID#0: AMEVENTID#1: (1:lag.ema.org:/scripts/CreateLargeFile/LargeFile.bin [10.0.0.150:80 -> 10.20.160.5:48121])cwi:abort - SR:90b0b020 useCnt:2 500 Internal Server Error