Silicon Graphics InfiniteStorage 4000 Series User Manual page 6
Failover drivers guide for santricity es
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Also See for InfiniteStorage 4000 Series:
- System upgrade manual (164 pages) ,
- Configuring and maintaining (276 pages)
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Chapter 3
vi
Reduced Failover Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Path Congestion Detection and Online/Offline Path States . . . . . . . . . . . . . . . . 17
Configuration Settings for the Windows DSM and the Linux RDAC. . . . . . . . 17
Wait Time Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Running the DSM Failover Driver in a Hyper-V Guest with Pass-Through
Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
dsmUtil Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Device Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Determining if a Path Has Failed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Driver from the Windows OS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
WinObj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Device Specific Module Driver Directory Structures . . . . . . . . . . . . . 30
Frequently Asked Questions about Windows Failover Drivers . . . . . . . . . . . . . 32
Failover Drivers for the Linux Operating System . . . . . . . . . . . . . . . . . . . . . . . . 37
Linux OS Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Features of the RDAC Failover Driver from NetApp . . . . . . . . . . . . . . . . . . . . 37
Prerequisites for Installing RDAC on the Linux OS . . . . . . . . . . . . . . . . . . . . . 38
Installing RDAC Manually on the Linux OS . . . . . . . . . . . . . . . . . . . . . . . 40
Making Sure that RDAC Is Installed Correctly on the Linux OS. . . . . . . . 41
Configuring Failover Drivers for the Linux OS . . . . . . . . . . . . . . . . . . . . . . . . . 42
Compatibility and Migration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
mppUtil Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Frequently Asked Questions about Linux Failover Drivers. . . . . . . . . . . . . . . . 46
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