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List: hpux-admin
Subject: [HPADM] Adding disk: device driver missing
From: "Shaw, Marco" <Marco.Shaw () aliant ! ca>
Date: 2008-09-24 14:00:39
Message-ID: B708C920604DF74A9B259056B737AD8903984BB2 () nbexmb04 ! aliant ! icn
[Download RAW message or body]
Recently had some disks added via our SAN.
Ioscan shows the new disk, but it appears device drivers haven't been
created.
Oddly enough, it seems that in our lab, a disk device driver was created
in one of the two boxes without problems. I even tried rebooting the
one where the disk driver is still missing, but that didn't fix
anything.
"ioscan -fnC disk" reports:
Good:
disk 20 0/6/1/0/4/0.27.0.0.0.2.7 sdisk CLAIMED DEVICE
EMC SYMMETRIX
/dev/dsk/c9t2d7 /dev/rdsk/c9t2d7
Bad:
disk 22 0/6/1/0/4/0.27.0.0.1.0.6 sdisk CLAIMED DEVICE
EMC SYMMETRIX
Both production machines show the "bad" output above. They haven't been
rebooted though.
I shouldn't need to make any kernel changes? Maybe I can create the
disk device drivers manually?
Is there a "magic formula" to determining the cXtXdX value? The target
in particular and disk in particular.
Marco
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<p class=MsoNormal>Recently had some disks added via our SAN.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Ioscan shows the new disk, but it appears device drivers
haven’t been created.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Oddly enough, it seems that in our lab, a disk device driver
was created in one of the two boxes without problems. I even tried rebooting
the one where the disk driver is still missing, but that didn’t fix
anything.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>“ioscan –fnC disk” reports:<o:p></o:p></p>
<p class=MsoNormal>Good:<o:p></o:p></p>
<p class=MsoNormal>disk 20
0/6/1/0/4/0.27.0.0.0.2.7 sdisk
CLAIMED DEVICE
EMC SYMMETRIX<o:p></o:p></p>
<p class=MsoNormal> & \
nbsp;
<span lang=FR-CA>/dev/dsk/c9t2d7 /dev/rdsk/c9t2d7<o:p></o:p></span></p>
<p class=MsoNormal>Bad:<o:p></o:p></p>
<p class=MsoNormal>disk 22
0/6/1/0/4/0.27.0.0.1.0.6 sdisk
CLAIMED DEVICE
EMC SYMMETRIX<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Both production machines show the “bad” output
above. They haven’t been rebooted though.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I shouldn’t need to make any kernel changes? Maybe
I can create the disk device drivers manually?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Is there a “magic formula” to determining the
cXtXdX value? The target in particular and disk in particular.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Marco<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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