Maintenance ..............................................................................................................................

37

Maintenance tools ...................................................................................................................................

37

Common maintenance tasks .....................................................................................................................

37

Uninstalling the IO Accelerator driver package..................................................................................

37

Disabling AutoAttach .....................................................................................................................

37

Enabling Autoattach ......................................................................................................................

38

Unmanaged shutdown issues ..........................................................................................................

38

Enabling PCIe power override ..................................................................................................................

38

Enabling the override parameter .....................................................................................................

39

Utilities ......................................................................................................................................

41

Utilities reference.....................................................................................................................................

41

fio-attach................................................................................................................................................

41

fio-beacon ..............................................................................................................................................

42

fio-bugreport...........................................................................................................................................

42

fio-config................................................................................................................................................

43

fio-config options...........................................................................................................................

44

fio-detach ...............................................................................................................................................

45

fio-format ...............................................................................................................................................

46

fio-pci-check ...........................................................................................................................................

47

fio-status.................................................................................................................................................

47

fio-sure-erase ..........................................................................................................................................

50

fio-trim-config..........................................................................................................................................

51

fio-update-iodrive ....................................................................................................................................

52

Monitoring IO Accelerator health .................................................................................................

54

NAND flash and component failure...........................................................................................................

54

Health metrics.........................................................................................................................................

54

Health monitoring techniques....................................................................................................................

54

Flashback substitution events.....................................................................................................................

55

Software RAID and health monitoring ........................................................................................................

55

Trim support ...............................................................................................................................

57

Introduction to Trim..................................................................................................................................

57

Trim platforms .........................................................................................................................................

57

Using Trim..............................................................................................................................................

57

Starting and stopping Trim..............................................................................................................

58

Enabling Trim................................................................................................................................

58

Controlling Trim aggressiveness.......................................................................................................

58

Trim configurations ..................................................................................................................................

59

Using Windows page files with the IO Accelerator.........................................................................

60

Introduction to Windows page files ...........................................................................................................

60

Configuring IO Accelerator paging support ................................................................................................

60

RAM consumption .........................................................................................................................

60

Non-paged memory pool ...............................................................................................................

61

Enabling and disabling paging support............................................................................................

61

Windows page file management...............................................................................................................

62

Setting up page files ......................................................................................................................

62

System drive paging file configuration..............................................................................................

63

Guaranteeing minimum committable memory ....................................................................................

63

Verifying page file operation ..........................................................................................................

64

Virtual Memory performance ....................................................................................................................

64

Performance and tuning...............................................................................................................

65

Contents

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