On Thu, Oct 20, 2005 at 05:35:00PM -0000, Finnur Örn Guðmundsson - TM Software Skyggnir wrote: > Once again, > > Anyone has tried this functionality against EVA 3000/5000 (Active/Passive controllers)? Yes, uncomment the wildcard blacklist in /etc/multipath.conf and change multibus to group_by_serial. Then check the throughput on the FC switch, you'll find that both active ports are used. > I've just started booting our blades up with all paths enabled with the Qlogic driver ...so far so good ...HP supports this way but Redhat does not ....bah > > Kær kveðja / Best regards, > Finnur Ö. Guðmundsson > RHCE, Linux+, MCP > System Engineer - System Operations > fog t is > > TM Software - Skyggnir > Holtasmári 1, IS- 201 Kópavogur, Iceland > tel: + 354 545 3000-fax + 354 545 3001 > www.t.is > > This e-mail message and any attachments is confidential and may be privileged. If you are not the intended recipient, please uphold strict confidentiality and neither read, copy, nor otherwise make use of the content in any way and notify sender immediately, by replying to this message or by sending an e-mail, and destroy all copies of this message and any attachments. Any non work related opinions contained in this message are those of the author and are not given or endorsed by TM Software TölvuMyndir through which this message is sent. > > From: nahant-list-bounces redhat com [mailto:nahant-list-bounces redhat com] On Behalf Of Ed Wilts > Sent: 18. október 2005 11:43 > To: Red Hat Enterprise Linux 4 (Nahant) Discussion List > Subject: Re: qalogic 2340 failover configuration > > On Tue, Oct 18, 2005 at 10:43:15AM +0100, bob flynn wrote: > > I have a question regarding configuring qalogic 2340 cardsin failover mode. > > > > I have two of the above fibre cards supporting a storagetek diskarray, > > which is providing non-bootable partitions from a single host. There > > are no switches in the configuration, the fibre cards are directly > > connected to the diskarray. > > > > My understanding is the default installation of the driver ( from > > qla2x00-v7.05.00-1.noarch.rpm ) via qlinstall installs the cards in in > > persistant mode, which precludes failover. > > > > So, can anyone confirm this, and if so, what are the correct steps to > > install and test under a failover configuration. > > Arjan confirmed this. Red Hat supported this in RHEL 3 and even though Qlogic has failover support in the driver they ship, Red Hat decided to pull the functionality in RHEL 4. <insert expletive here>. > > You can either not use the driver's failover functionality or you can download the driver from qlogic's web site. > > Red Hat recommends that you use the dm-multipath stuff instead. This is brand new functionality that was just introduced in Update 2. > > .../Ed > -- Axel.Thimm at ATrpms.net
Attachment:
pgpq4lmWgjUtF.pgp
Description: PGP signature