Hitachi USP V, Configuration Manual, Page: 49 / 70

Configuring the New Disk Devices 3-7
Hitachi Universal Storage Platform V/VM Configuration Guide for SGI
®
IRIX
®
Host Attachment
# fx -x “dksc(8,0,15)”
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Start fx and enter USP device.
fx version 6.5, Jan 11, 2000
...opening dksc(8,0,15)
...drive selftest...OK
fx: Warning: invalid label from disk driver, ignored
Scsi drive type == HITACHI OPEN-3-CVS 5244
...creating default bootinfo
...created default partitions, use /repartition menu to change
...creating default volume directory
----- please choose one (? for help, .. to quit this menu)-----
[exi]t [d]ebug/ [l]abel/ [a]uto
[b]adblock/ [exe]rcise/ [r]epartition/
fx>
/label/set/param
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Set the device parameters.
fx/label/set/parameters: Error correction = (enabled)
fx/label/set/parameters: Data transfer on error = (enabled)
fx/label/set/parameters: Report recovered errors = (enabled)
fx/label/set/parameters: Delay for error recovery = (enabled)
fx/label/set/parameters: Err retry count = (0)
fx/label/set/parameters: Transfer of bad data blocks = (disabled)
fx/label/set/parameters: Auto bad block reallocation (write) = (enabled)
fx/label/set/parameters: Auto bad block reallocation (read) = (enabled)
fx/label/set/parameters: Read ahead caching = (enabled)
fx/label/set/parameters: Write buffering = (enabled)
fx/label/set/parameters: Drive disable prefetch = (0)
fx/label/set/parameters: Drive minimum prefetch = (0)
fx/label/set/parameters: Drive maximum prefetch = (0)
fx/label/set/parameters: Drive prefetch ceiling = (0)
fx/label/set/parameters: Enable CTQ = (disabled)
enable
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Enter “enable”.
fx/label/set/parameters: CTQ depth = (2) 32
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Enter desired queue depth.
fx/label/set/parameters: Read buffer ratio = (0/256)
fx/label/set/parameters: Write buffer ratio = (0/256)
* * * * * W A R N I N G * * * * *
about to modify drive parameters on disk dksc(8,0,15)! ok?
yes
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Enter “yes”.
----- please choose one (? for help, .. to quit this menu)-----
[exi]t [d]ebug/ [l]abel/ [a]uto
[b]adblock/ [exe]rcise/ [r]epartition/
fx> exi
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Exit the fx utility.
label info has changed for disk dksc(8,0,15). write out changes? (yes)
yes
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Enter “yes”.
Figure 3-5 Enabling Command Tag Queuing (CTQ) and Setting the
Queue Depth