Date: Wed, 27 Jan 2010 13:49:33 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-scsi@freebsd.org Cc: freebsd-performance@freebsd.org Subject: Re: performance tuning of iSCSI and Dell MD3000i / gjournal problem Message-ID: <hjpcoj$5uc$1@ger.gmane.org> In-Reply-To: <4B5F1553.4070709@quip.cz> References: <4B5F1553.4070709@quip.cz>
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On 01/26/10 17:16, Miroslav Lachman wrote: > I am CCing freebsd-performance@freebsd.org as somebody may be interested > and not subscribed to freebsd-scsi. > > Just a note, I am still having performance problems with iSCSI and Dell > MD3000i. > I tried it with ZFS, but writing performance was even worse - about > 3-5MB/s! Copying 33GB from local UFS partition do iSCSI ZFS partition > takes almost 5 hours: You've written a lot of information here. Firstly, is your problem related to iSCSI performance, ZFS performance or UFS performance? As it looks to me, you are mostly complaining about iSCSI performance, right?
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