Adaptec 2074700-R User Guide - Page 205
Hot Insertion, Hot Removal
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Optional Features PCI HP requires network operating system (NOS) and PCI adapter driver support. PCI HP is different from other types of hot swapable devices since such devices (like a fan or power supply) do not require the cooperation, or knowledge, of the NOS or any specialized driver in order to perform an online replacement. A PCI Hot Plug system requires a hot plug platform, a hot plug OS, and hot plug adapter drivers. A system can include any combination of hot plug and conventional versions of each of these components, including a mix of both hot plug and conventional adapter drivers. However, a particular adapter can be hot plugged only if all three components for that adapter support hot plug operation. There are two basic functions of PCI Hot Plug: Hot Insertion The Insertion of a device into a powered-down PCI HP slot and power up of that slot once device is inserted. Assumes that driver for (PnP) device being inserted does not require reboot or driver is already loaded. Hot Removal Removal of a device by first powering down the HP PCI slot on which the device is inserted then physically removing the device for the HP PCI slot. Surprise Removal, the removal of the card while the slot still powered, is not supported. PCI Hot Plug enables the features of replacement/repair (Hot Replacement), addition (Hot Addition), adapter update, and deletion (Hot Deletion) of PCI adapters. Hot Replacement consists of replacing an unusable adapter in a system utilizing, in sequence, the Hot Removal followed by the Hot Insertion functions of PCI Hot Plug. Hot Addition consists of adding a completely new device to the system utilizing the Hot Insertion function of PCI Hot Plug. Hot Deletion consists of removing (but not replacing) an existing adapter in a system utilizing the Hot Removal function of PCI Hot Plug. Warning: Prior to initiating the removal of the adapter via PCI Hot Plug, the user is responsible for closing all applications that communicate to the adapter and for verifying that there is no I/O activity to the ICP RAID controller. Refer to the appropriate Hardware Guide to determine the PCI Hot Plug features implemented on the ICP RAID controller. Integrated support for PCI Hot Plug can be found with the following operating systems: • Novell NetWare 4.11, 5.x and 6.x • SCO UnixWare 7.x and 8.0 • Microsoft 2000 Windows NT 4.0 is capable of supporting Hot Replacement but only with special drivers. Refer to the Hardware Guide of the ICP RAID controller to determine the specific operating systems being supported. Software Installation and User's Guide 205