Could you please share the result of "multipath -v4". Regards, Pradipmaya. On Wed, Jul 23, 2008 at 6:22 AM, Koehler, M - SPLXM <Menno.Koehler@xxxxxxx> wrote: > Hello, > > Thanks for your respond, first I tried the multipathd -k reconfigure > (and get a ok returned) and later when seen that it still was using tur > we tried a reboot but with the same result. > > Kind regards, > > Menno > > > -----Original Message----- > From: dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] > On Behalf Of Romanowski, John (OFT) > Sent: Wednesday, July 23, 2008 3:13 PM > To: device-mapper development > Subject: RE: Losing paths > > Did you change multipath.conf and reboot the machine? > if not reboot, what steps put the changed multipath.conf into effect > for the 2145's (SVC) LUNs? > > > -------------------------------------------------------- > This e-mail, including any attachments, may be confidential, privileged > or otherwise legally protected. It is intended only for the addressee. > If you received this e-mail in error or from someone who was not > authorized to send it to you, do not disseminate, copy or otherwise use > this e-mail or its attachments. Please notify the sender immediately by > reply e-mail and delete the e-mail from your system. > > > -----Original Message----- > > From: dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] > On Behalf Of Koehler, M - SPLXM > Sent: Wednesday, July 23, 2008 8:34 AM > To: device-mapper development > Subject: RE: Losing paths > > Greetings, > > We tried testing with path_checker readsector0 end directio but we get > some strange behavior eg the checker used is always tur!! > So if we create a device entry special for IBM 2145 and define as > path_checker directio or readsector0 we still see in the message file > tur messages: > > Jul 23 08:09:00 kl11071i multipathd: 65:0: tur checker reports path is > down > Jul 23 08:09:00 kl11071i multipathd: 65:16: tur checker reports path is > down > Jul 23 08:09:00 kl11071i multipathd: 65:32: tur checker reports path is > down > Jul 23 08:09:00 kl11071i multipathd: 65:48: tur checker reports path is > down > Jul 23 08:09:00 kl11071i multipathd: 65:80: tur checker reports path is > down > Jul 23 08:09:00 kl11071i multipathd: 65:96: tur checker reports path is > down > Jul 23 08:09:00 kl11071i multipathd: 65:112: tur checker reports path is > down > > > Oure multipath.conf file is: > > defaults { > user_friendly_names yes > } > > devices{ > device { > vendor "IBM" > product "2145" > path_grouping_policy group_by_prio > getuid_callout "/sbin/scsi_id -g -u -s" > prio_callout "/sbin/mpath_prio_alua %d" > path_checker readsector0 > failback immediate > } > } > > Did someone see this behavior before? Or are we doing something wrong? > We are using device-mapper-multipath-0.4.5-27.el4_6.3 on a rhel4.6 > system. > > Kind regards, > Menno > ********************************************************************** > For information, services and offers, please visit our web site: > http://www.klm.com. This e-mail and any attachment may contain > confidential and privileged material intended for the addressee > only. If you are not the addressee, you are notified that no part > of the e-mail or any attachment may be disclosed, copied or > distributed, and that any other action related to this e-mail or > attachment is strictly prohibited, and may be unlawful. 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