07-12-2006
Thanks very Much... I'll see it and now i'm gonna probe it..
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1. UNIX for Dummies Questions & Answers
Hi..
when i delete a Lun from a Array on a SAN, and again when i create a Lun it shows that the newly created Lun has the ID of the Old deleted Lun which is leading to data corruption. All this is handled by the Multipath software. can anybody help. (0 Replies)
Discussion started by: Praveen13
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hi all,
there´s one thing i dont understand ...
in the file /etc/multipath.conf, why do we incluide "dm-" ??? a device mapper dm- is not supposed to be a multipath part that will be used after configuring mutipath dm??
devnode_blacklist {
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3. Red Hat
Hi All,
When I execute multipath -ll command that time display only 3 path (mpath1,mpath2 and mpath5), not display other 2 path (mpath3 and mpath4). I have configure 5 path in /etc/multipath.conf file. What is the reason behind it. Please help me.
Please find below the output :
... (5 Replies)
Discussion started by: mnmonu
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4. Red Hat
Hi All,
When I execute "multipath -ll" command that time display only 3 path (orafra2,oradata2 and oradata1), not display other 2 path (orafra1 and data1). I have configure 5 path in "/etc/multipath.conf" file. What is the reason behind it. Please help me.
Please find below some output for... (4 Replies)
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5. Ubuntu
Hello,
i have a problem with the multipath tools configuration.
i can't remove the local disk paths.
the multipath.conf archives configuration is:
---------------------------------------------------------
$ cat /etc/multipath.conf
blacklist{
devnode cciss
devnode fd
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Discussion started by: FeeII
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6. Red Hat
hi,
I've a question about multipath.
One server uses this configuration:
mpath02 (3600d000ff0d510cae5b8df4d01000000) dm-2 FSC,FibraCAT_SX
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\_ round-robin 0
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7. Red Hat
Hi,
I am running RHEL6 on a physical node (HP Proliant).
If it normal for the root device to get listed in the "multipath -ll" output? (Listed below as dm-4, HP LOGICAL VOLUME).
i.e.
asm-data (360a98000424a414b453f443548503644) dm-3 NETAPP,LUN
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Hi,
How do I get multipath information from my HPUX servers like the multipath software used, and the version?
Thx,
Aigini (4 Replies)
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9. Red Hat
Hi,
My HP machine is using as boot device a disk defined in the Storage (IBM V5000). The connection is done by fiber connected through fiber switch.
No lacal disks are installed.
I'm using redhat 6.6.
I've installed and configured multipath.
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Discussion started by: Pazzeo
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LEARN ABOUT CENTOS
tapset::ioscheduler
tapset::ioscheduler(3stap) tapset::ioscheduler(3stap)
NAME
tapset::ioscheduler - systemtap ioscheduler tapset
DESCRIPTION
This family of probe points is used to probe IO scheduler activities.
ioscheduler.elv_next_request
Fires when a request is retrieved from the request queue
See probe::ioscheduler.elv_next_request(3stap)
for details.
ioscheduler.elv_next_request.return
Fires when a request retrieval issues a return signal
See probe::ioscheduler.elv_next_request.return(3stap)
for details.
ioscheduler.elv_completed_request
Fires when a request is completed
See probe::ioscheduler.elv_completed_request(3stap)
for details.
ioscheduler.elv_add_request.kp
kprobe based probe to indicate that a request was added to the request queue
See probe::ioscheduler.elv_add_request.kp(3stap)
for details.
ioscheduler.elv_add_request.tp
tracepoint based probe to indicate a request is added to the request queue.
See probe::ioscheduler.elv_add_request.tp(3stap)
for details.
ioscheduler.elv_add_request
probe to indicate request is added to the request queue.
See probe::ioscheduler.elv_add_request(3stap)
for details.
ioscheduler_trace.elv_completed_request
Fires when a request is
See probe::ioscheduler_trace.elv_completed_request(3stap)
for details.
ioscheduler_trace.elv_issue_request
Fires when a request is
See probe::ioscheduler_trace.elv_issue_request(3stap)
for details.
ioscheduler_trace.elv_requeue_request
Fires when a request is
See probe::ioscheduler_trace.elv_requeue_request(3stap)
for details.
ioscheduler_trace.elv_abort_request
Fires when a request is aborted.
See probe::ioscheduler_trace.elv_abort_request(3stap)
for details.
ioscheduler_trace.plug
Fires when a request queue is plugged;
See probe::ioscheduler_trace.plug(3stap)
for details.
ioscheduler_trace.unplug_io
Fires when a request queue is unplugged;
See probe::ioscheduler_trace.unplug_io(3stap)
for details.
ioscheduler_trace.unplug_timer
Fires when unplug timer associated
See probe::ioscheduler_trace.unplug_timer(3stap)
for details.
SEE ALSO
probe::ioscheduler.elv_next_request(3stap), probe::ioscheduler.elv_next_request.return(3stap),
probe::ioscheduler.elv_completed_request(3stap), probe::ioscheduler.elv_add_request.kp(3stap),
probe::ioscheduler.elv_add_request.tp(3stap), probe::ioscheduler.elv_add_request(3stap),
probe::ioscheduler_trace.elv_completed_request(3stap), probe::ioscheduler_trace.elv_issue_request(3stap),
probe::ioscheduler_trace.elv_requeue_request(3stap), probe::ioscheduler_trace.elv_abort_request(3stap),
probe::ioscheduler_trace.plug(3stap), probe::ioscheduler_trace.unplug_io(3stap), probe::ioscheduler_trace.unplug_timer(3stap), stap(1),
stapprobes(3stap)
IBM
--- tapset::ioscheduler(3stap)