Informix on iSCSI

Posted in 2007

Neil Truby — Wed, 22 Aug 2007 16:49:06 +0100 — source: Usenet: comp.databases.informix

That is, having the chunks on an iSCSI device. Any thoughts?

↪ replying to Neil Truby

Clive Eisen — Wed, 22 Aug 2007 16:58:45 +0100 — source: Usenet: comp.databases.informix

Neil Truby wrote: > That is, having the chunks on an iSCSI device. > > Any thoughts? Make sure it's not a toy iSCSI like a Dell AX100 -- Clive

↪ replying to Clive Eisen

Neil Truby — Wed, 22 Aug 2007 17:09:03 +0100 — source: Usenet: comp.databases.informix

"Clive Eisen" <clive@serendipita.com> wrote in message news:46cc5d2b$0$11440$db0fefd9@news.zen.co.uk... > Neil Truby wrote: >> That is, having the chunks on an iSCSI device. >> >> Any thoughts? > > Make sure it's not a toy iSCSI like a Dell AX100 What are the characteristics of a decent one then? Sub-10ms service times? Anything else to consider?

↪ replying to Neil Truby

Clive Eisen — Wed, 22 Aug 2007 17:25:25 +0100 — source: Usenet: comp.databases.informix

Neil Truby wrote: > "Clive Eisen" <clive@serendipita.com> wrote in message > news:46cc5d2b$0$11440$db0fefd9@news.zen.co.uk... >> Neil Truby wrote: >>> That is, having the chunks on an iSCSI device. >>> >>> Any thoughts? >> Make sure it's not a toy iSCSI like a Dell AX100 > > What are the characteristics of a decent one then? Sub-10ms service times? > Anything else to consider? > > Vendor supplied drivers or supported HBAs that do the iSCSI magic, and even then with say QLogic make sure you have the latest firmware. Oh and make sure whichever route you go, both ends support jumbo frames. do NOT rely on toyware^H^H^H^H^H^H^H^linux iscsi utilites (<fx> bitter bloody experience</fx>) -- Clive