On Fri, 2017-11-17 at 07:39 +0100, Valentin Vidic wrote: > Hi, > > The problem seems to be caused by the new multi-queue xen blk driver > and I was advised by the Xen devs to increase the gnttab_max_frames=256 > parameter for the hypervisor. This has solved the blocking issue > for me and it has been running without problems for a few months now.
I'm not really fluent in Xen, but does this relate to the kernel in dom0 or one of the domU then? > > I/O to LUNs hang / stall under high load when using xen-blkfront > https://www.novell.com/support/kb/doc.php?id=7018590 According to that link, the fix seems to be configuration rather than code. Does this mean this bug against the kernel should be closed? Regards, -- Yves-Alexis
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