HP StorageWorks X5500 Network Storage Gateway for Windows setup guide (AP809-96004, October 2009)

Chapter4:OtherProcedures 38
Thefilesystemisupgradedwiththepsfscheckcommand,whichenables
thisfeatureinternallyonthefilesyst em. Consequently,abrief,cluster‐
wideoutageofthefilesystemisrequiredduringtheupgrade.(If8.3
supportisalsoneeded,bothfeaturescanbeenabledatthesametimeas
describedinthenextsection.)

ToupgradeaPSFSfilesystemforADSsupport,takethefollowingsteps:
1. Stopallapplicationsusingthefilesystem.
2. RunthefollowingcommandattheCommandPrompt(thecommand 
isshownontwolinesforreadability):
%SystemDrive%\Program Files\Hewlett-Packard\HP Clustered
File System\bin\psfscheck -e enableads <device>
Thedevicecanbespecifiedinseveralways:
•Bythedriveletter,suchasX:
•Bythemountpoint(junction),suchasC:\san\vol2
•Bythepsdorpsvname,suchaspsd2p2orpsv3
3. Restarttheapplicationsthatusethefilesystem.
Upgrade Filesystems for 8.3 SFN Support
If Needed
Bydefault,PSFSfilesystemsdonotsupportthecreationof8.3shortfile
names(SFN)andnametunneling.Filesystemsshouldbeupgradedonly
ifyouhaveaspecificneedforthesefeatures,astheuseof8.3filescauses
degradationinfilesystemperformance.Thedegradationisproportional
tothenumberof
8.3filescreated.If8.3SFNsupportislaterdisabledbut
8.3filenamesexist,theperformancedegradationwillcontinue.
Thefilesystemisupgradedwiththepsfscheckcommand,whichenables
thefeatureinternallyinthefilesystem.Consequently,abrief,cluster‐wide
outageofthefilesystemisrequiredduringtheupgrade.
Usethe
followingproceduretoenablethesefeaturesonaspecificPSFS
filesystem.(8.3supportandADSsupportcanbeenabledatthesametime
byincluding‐eenableadsonthepsfscheckcommandline,below.)