From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dmitry Yusupov <dmitry_yus@yahoo.com>
Subject: Re: [Ksummit-2005-discuss] Summary of 2005 Kernel Summit Proposed
	Topics
Date: Wed, 30 Mar 2005 09:39:43 -0800
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On Wed, 2005-03-30 at 09:24 -0800, Matt Mackall wrote: 
> I seem to recall this being fairly easy to trigger by simply pulling
> the network cable while there's heavy mmap + write load. The system
> will quickly spiral down into OOM and will remain wedged when you plug
> the network back in. With iSCSI, after some extended period all the
> I/Os will have SCSI timeouts and lose everything.

We've discussed that already. SCSI timeout logic just doesn't fit. (see
rfc3720). For iSCSI, SCSI timeout logic *must* be disabled until iSCSI
recovery is complete. host block/unblock logic in recent iSCSI transport
patch will help to implement that.