[OpenIndiana-discuss] ZFS read speed(iSCSI)

Saso Kiselkov skiselkov.ml at gmail.com
Fri Jun 7 12:28:00 UTC 2013


On 07/06/2013 13:09, Edward Ned Harvey (openindiana) wrote:
> all your iscsi writes will be sync writes.

Only if he turns of the cache advertising on the COMSTAR LU, which is
not the default (i.e. VMware won't send sync writes unless he does
something). If he wants to simulate what commercial vendors iSCSI
appliance vendors do (e.g. EMC), just put the whole storage box onto a
dedicated UPS. There are some trivial shell tricks I thought about which
would fully replicate what appliance vendors do, but these are beyond
the scope of a simple e-mail.

Cheers
-- 
Saso



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