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Re: [Qemu-block] RFC block/iscsi command timeout
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-block] RFC block/iscsi command timeout |
Date: |
Tue, 26 May 2015 11:01:16 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
Am 22.05.2015 um 09:30 hat Peter Lieven geschrieben:
> Hi,
>
> next libiscsi version will allow to define command timeouts. At least for
> sync commands this
> was in fact possible since somewhen in 2013. Per default this timeout is
> disabled.
>
> I would like to at least define a timeout for the sync commands (login,
> readcapacity, inquiry, logout etc)
> of about 5000msec.
You should probably make the timeout an integer option rather than a
boolean one. Then we don't need to discuss whether 5000 msec are
appropriate...
> The chance to the iSCSI driver of qemu would be minimal for that. The timeout
> handling is done in the sync event loop of libiscsi.
>
> My question is if it would be a good idea to have timeout (fairly high of
> course) for all other commands as well?
...and what "fairly high" actually means.
Kevin