IBM TS2340 User Guide - Page 113
Hardware Requirements for IBM System p Models, Linux Device Driver lin_tape
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Linux Device Driver (lin_tape) Hardware Requirements for IBM System p Models One or more of the following processors is required by the lin_tape device driver: v IBM low, middle, or high range System p (also known as pSeries) servers running a 64-bit Linux operating system v IBM POWER5™ servers running a 64-bit Linux operating system One or more of the following host bus adapters: v PCI-X DDR Dual -x4 SAS Adapter (FC 5900) v System p (also known as pSeries) Feature Code 5712 PCI-X Dual Channel Ultra320 SCSI Adapter v System p (also known as pSeries) Feature Code 5736 (571A) or 1912 PCI-X DDR Dual Channel Ultra320 SCSI Adapter v System p (also known as pSeries) Feature Code 6228 Fibre Channel Adapter v System p (also known as pSeries) Feature Code 6239 Fibre Channel PCI-X Adapter v System p (also known as pSeries) Feature Code 5716 Fibre Channel PCI-X Adapter v System p (also known as pSeries) Feature Code 5758 and 5759 Fibre Channel PCI-X Adapter v System p (also known as pSeries) Feature Code 5773 and 5774 Fibre Channel PCI-E Adapter v System p (also known as pSeries) Feature Code 5735 8 GB Fibre Channel Adapter Hardware Requirements for IBM System z Models One or more of the following processors is required by the lin_tape device driver running Linux on System z in 31-bit or 64-bit: v IBM System z 800 (z800) or 900 (z900) models v IBM System z 890 (z890) or 990 (z990) models v IBM System z9® models One or more of the following host bus adapters with Fibre Channel Protocol support: v FICON® Express card (feature 2315 or 2318) v FICON Express card (feature 2319 or 2320) v FICON Express2 card (feature 3319 or 3320) v FICON Express4 card (feature 3321, 3322, or 3324) Note: Using a single Fibre Channel host bus adapter (HBA) for concurrent tape and disk operations is not recommended. Tape and disk devices require incompatible HBA settings for reliable operation and optimal performance characteristics. Under stress conditions (high I/O rates for tape, disk, or both) where disk and tape subsystems share a common HBA, stability problems have been observed. These issues are resolved by separating disk and tape I/O streams onto separate HBAs and using SAN zoning to minimize contention. IBM is focused on assuring server and storage configuration interoperability. IBM strongly recommends that your implementation plan includes provisions for separating disk and tape workloads. Chapter 5. Linux Tape and Medium Changer Device Driver 95
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