For our customer we had a controller on their SAN go down, but the redundant controller picked up the slack until the problem controller could be swapped out. The downtime was limited to 20 minutes for one Exchange server (there are five for the site involved).
Nate Couch EDS Messaging > ---------- > From: Roger Seielstad > Reply To: Exchange Discussions > Sent: Tuesday, September 23, 2003 7:35 AM > To: Exchange Discussions > Subject: RE: Exchange and SAN > > Actually, there's enough redundancy even in the smaller scale SANS that > you're not at significant risk for that. > > Shortly after the install of our SAN, we had an issue with one of the > storage processors (think of it as a RAID controller within the SAN). It > was > hot swapped, during the day, without any downtime, and didn't > significantly > impact the 3 boxes connected at that time. > > -------------------------------------------------------------- > Roger D. Seielstad - MTS MCSE MS-MVP > Sr. Systems Administrator > Inovis Inc. > > > > -----Original Message----- > > From: Dean Cunningham [mailto:[EMAIL PROTECTED] > > Sent: Monday, September 22, 2003 6:53 PM > > To: Exchange Discussions > > Subject: RE: Exchange and SAN > > > > > > I can't get past the concept that if the SAN dies (ie FC card > > or Power Supplies) then all teh servers you have attached to > > it are dead in the water. > > Sounds like a quasi mainframe to me..... > > I still prefer many eggs and many baskets and take the disk hit. > > > > Mind you I would be interested in SAN technology just to put > > the tape drives external to the server room (like a few > > miles away via fibre) > > > > cheers > > Dean > > > > >>> [EMAIL PROTECTED] 20/09/2003 7:52:42 a.m. >>> > > I'll kindly ask you to get off of my soapbox. > > > > My favorite one I've heard lately: "Well, it uses fiber to > > attach to the SAN > > so it's much faster for Exchange." > > > > -----Original Message----- > > From: Roger Seielstad [mailto:[EMAIL PROTECTED] > > Sent: Friday, September 19, 2003 2:50 PM > > To: Exchange Discussions > > Subject: RE: Exchange and SAN > > > > > > As long as you don't buy into the great white lie of SAN's, > > you're golden. > > > > That lie is that there's no performance hit created by taking > > a single large > > array and carving it into a bunch of LUNs - there's a physics > > issue there. > > Other than that, its just a bunch of disks, just like the > > SCSI attached ones > > you probably have now. > > > > -------------------------------------------------------------- > > Roger D. Seielstad - MTS MCSE MS-MVP > > Sr. Systems Administrator > > Inovis Inc. > > > > > > > -----Original Message----- > > > From: Rosales, Mario [mailto:[EMAIL PROTECTED] > > > Sent: Friday, September 19, 2003 12:17 PM > > > To: Exchange Discussions > > > Subject: Exchange and SAN > > > > > > > > > Has anyone ran Exchange in a SAN, and were there any issues > > > with it? I've > > > always had a raid array attached to it which could be the > > > same thing but did > > > not know if there were any major differences? Any help would > > > be appreciate > > > it. > > > > > > Thanks, > > > Mario > > > > > > > > > ************************************************************** > > > ************* > > > The contents of this communication are intended only for the > > > addressee and > > > may contain confidential and/or privileged material. If you > > > are not the > > > intended recipient, please do not read, copy, use or disclose this > > > communication and notify the sender. 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