Date: Tue, 26 Feb 2013 16:18:44 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Vincent Hoffman <vince@unsane.co.uk> Cc: freebsd-hackers@freebsd.org Subject: Re: attaching iscsi (or ggate) disk before mounting root Message-ID: <alpine.BSF.2.00.1302261616250.27033@wojtek.tensor.gdynia.pl> In-Reply-To: <51292900.6010400@unsane.co.uk> References: <alpine.BSF.2.00.1302231152140.66788@wojtek.tensor.gdynia.pl> <51292900.6010400@unsane.co.uk>
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thank you very much. i solved that problem other way, finally ending in NFS root. but i still need raw block device as swap device, which will (rarely) be in active use. What do you recommend - iscsi or geom_gate. the latter is 100 times more simple, and i like simple solutions. but geom_gate use userland process for I/O. Does it make a risk of deadlock? is iscsi deadlock free too? i mean iscsi in kernel needs to allocate memory to perform swapout, but it have to wait for free memory, but memory will not be freed until swapout is done.
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