> -----Original Message----- > From: dm-devel-bounces@xxxxxxxxxx > [mailto:dm-devel-bounces@xxxxxxxxxx] On Behalf Of John Little > Sent: Tuesday, November 14, 2006 8:09 AM > To: dm-devel@xxxxxxxxxx > Cc: James.Smart@xxxxxxxxxx; goggin, edward > Subject: RE: multipath and san fabric > > Hi all > > Wow. thanks for the responses... > > James Smart <James.Smart@xxxxxxxxxx> wrote on 11/13/2006 02:54:15 PM: > > > >>> Example 2: > > >>> Fabric A contains HBA1, TargetPort1, and TargetPort3. > > >>> Typically a zone > > >>> would exist within Fabric A that contains these 3 ports. > > >>> Fabric B contains HBA2, TargetPort2, and TargetPort4. > > >>> Typically a zone > > >>> would exist within Fabric B that contains these 3 ports. > > >>> The storage array contains 2 controllers, with 2 ports per > > >>> controller. > > >>> Meaning TargetPort1 and TargetPort2 are on controller A, > > >>> and TargetPort3 > > >>> and TargetPort4 are on controller B. The ports are cross > > >>> connected on > > >>> the fabrics for redundancy. All storage can be seen from > > >>> any port. > > >>> -- > > >>> This would ahve 4 DM paths > > >>> The I_T nexus's are: > > >>> HBA1_TargetPort1 > > >>> HBA1_TargetPort3 > > >>> HBA2_TargetPort2 > > >>> HBA2_TargetPort4 > > Ok I'm new to SAN and multipathing so maybe it's just the way > it is worded. > Here is what we have and the instructions that were given to me. > #### > FCSW00 xxx.xxx.xxx.233 Fabric A > FCSW01 xxx.xxx.xxx.234 Fabric B > FCSW02 xxx.xxx.xxx.235 Fabric A > FCSW03 xxx.xxx.xxx.236 Fabric B > > Summary: One HBA is attached to each fabric; two zones per > HBA. One is zoned > to a port on SPA and one is zoned to a port on SPB We have a > CX600 which has > 4 ports per SP. So, it could be zoned to SPA0 (0-3)and SPB0(0-3) > #### > > If I understand correctly what I have is Example 2 (typo > corrected). Yes, you have a modified version of James's "Example 2", since you have 4 ports per CLARiiON controller instead of 2. > Then I > would, for an hba connected to Fabric A on a port on FCSW00, > setup a zone on > FCSW00 and another on FCSW02. The same would apply for the > hba in Fabric B > using FCSW01 and FCSW03. You need only configure a single zone for the active zone set for each fabric as shown below using your terminology from above to refer to the CLARiiON SP (A,B) and ports (0,1,2,3). Fabric A zone = {HBA1, SPA0, SPB0} Fabric B zone = {HBA2, SPA1, SPB1} > > Is this correct or am I still lost? > > Thanks, > John > > > -- > dm-devel mailing list > dm-devel@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/dm-devel > > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
