EMC QLogic Installation Guide Page 136
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- Table of contents
- TROUBLESHOOTING
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EMC Fibre Channel and iSCSI with QLogic Host Bus Adapters in the Windows Environment
Troubleshooting
Operating system/driver capabilities and limitations
The following capabilities and limitations should be noted for
Windows operating systems with QLogic HBAs.
LUNs
Theoretically, Windows supports up to 261,120 total LUNs. This
figure is based on the listed support limitations for Windows Server
from Microsoft: 8 buses per adapter, 128 targets per bus, and 255
LUNs per target. However, due to registry hive limitations, a
Windows server is most likely to run out of registry space to keep
track of these large LUN counts well before reaching this limit.
Windows 2000 has this registry size issue. See Microsoft
knowledge-base articles 292726 and 269075 for information.
Windows 2003 does not have this issue.
Microsoft Windows limits the number of LUNs per HBA to 255
(LUNs 00-FE) even though the HBAs are capable of presenting 256
(LUNs 00-FF). It is a function of the operating system that prevents
that last LUN from being presented to the user, and not the HBA or
driver. This limitation should be taken into consideration when
planning your host configuration.
Based on E-Lab testing, it has been determined that for EMC
configurations, Windows servers should be limited to a maximum of
500 LUNs. In most cases, this number will be more than sufficient. In
others, it may be deemed too small. For configurations where a large
amount of storage is necessary, but not necessarily a large number of
disks, EMC storage can be configured to present LUNs of large sizes
to the host
Volume sizes
Windows 2000 supports a maximum file system size of 2 TB
(terabytes.)
Windows 2003 and Windows 2008 support a maximum file system
size of 2 TB unless Service Pack 1 or later is installed. With SP1 or
later, the maximum supported physical disk size is 256 TB.
- Windows Environment 1
- Contents 3
- Chapter 3 Troubleshooting 5
- Courier italic 15
- Installation and 17
- Configuration 17
- How this guide works 18
- Verify Array/LUN 19
- Visibility for Boot 19
- Installing the HBA 20
- STOP: 0X0000007B 21
- HBA edge connecters 23
- PCI Express slots 24
- PCI Express slots aligned 24
- QLogic banner 29
- Main Fast!UTIL options window 30
- Configuration Settings window 30
- Adapter Settings window 31
- Enter 34
- Warning dialog 35
- Fast!UTIL Options window 36
- Firmware boot manager menu 38
- refer to memory ramdisks 39
- QLogic directory 41
- EFIutil.efi 41
- QLogic efiutil all upgrade 43
- QLogic Fibre Channel drivers 45
- Driver handle numbers 46
- -s 5f 62 46
- Edit adapter settings 47
- Connection option 48
- Figure 32 Options set 50
- RAMDISK 51
- Windows 52
- HBA selection screen 57
- Windows setup screen 58
- Base article Q240672.) 59
- Existing partitions 59
- Windows Boot Manager 62
- Windows Setup screen 62
- Windows Install screen 63
- Loading driver screen 66
- Browse for Folder screen 67
- A as shown in Figure 47 67
- Install Windows screen 70
- Pre-installation guidelines 71
- Driver installation/upgrade 72
- SANsurfer driver selection 74
- Post-installation procedures 78
- SANsurfer HBA install wizard 79
- Show SAN 82
- SANsurfer icon 83
- Connect to the host 84
- ServerManager: 85
- <sp_IP> 88
- <storagegroupname> 88
- Miscellaneous 91
- Planning and 91
- Procedures 91
- Download Firmware dialog box 97
- F1 to enter the server BIOS 112
- Enter. This boot device 112
- Blade server restrictions 113
- Driver revision 114
- Where to find the driver 115
- Windows 2003 STORPort updates 116
- STORPort drivers 117
- A:\, for 120
- QLogic advanced utilities 123
- Utilities tabbed page 125
- EMC CLARiiON storage arrays 127
- Set the HBA FC-AL loop ID 130
- Reconfigure the HBA jumper 133
- Troubleshooting 135
- Volume sizes 136
- Host after the rebooted 141
- Known issues 142
- Problems and solutions 143
- Problem 4 144
- Problem 5 144
- Problem 6 144
- Problem 7 145
- Problem 8 145
- Problem 9 145
- Third-Party Software 147
- SANsurfer version history 148
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