Opened 15 years ago
Closed 14 years ago
#2737 closed defect (fixed)
iSCSI doesn't obey maximum transmit/receive values from target
| Reported by: | Glenn Matthys | Owned by: | |
|---|---|---|---|
| Component: | virtual disk | Version: | VirtualBox 2.0.6 |
| Keywords: | Cc: | ||
| Guest type: | other | Host type: | Linux |
Description
Hello
While testing with iscsitarget (http://iscsitarget.sourceforge.net/) I found that VirtualBox doesn't seem to obey the target's maximum segment lengths. It causes the iscsi_trgt to flood the kernel's buffer with error messages and very low performance.
Here is the original thread at the iscsi-target development mailinglist: http://sourceforge.net/mailarchive/forum.php?thread_name=493CED43.4080307%40pandora.be&forum_name=iscsitarget-devel
The default segment lengths are 8192. If I manually set these to 65536 on the target, the problem is solved.
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This issue was fixed quite a while ago, and recent 3.0.x (and of course 3.1.0) releases use what the target specified as maximum segment length.