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01-28-2011 01:38 PM
01-28-2011 01:38 PM
lvmattachd and CPU time
lvmattached is using 3% of CPU time on a relatively quiet system. I am using PVLINKS on this and other systems. This is the only system that is showing lvmattachd as high CPU, even though it is a quieter system than the others. No errors in syslog, EMS, etc. All VG's and Physical volumes are showing no problems. I know this is not high, but I'm concerned that this may be masking a potential issue.
OS is HPUX 11.11
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01-29-2011 01:49 AM
01-29-2011 01:49 AM
Re: lvmattachd and CPU time
lvmattachd
Introduced a new kernel daemon which will keep track of NOT_ATTACHED PVs (* Alternate PV links *)and attach them to the VG as soon as they become accessible. This will avoid the need to reactivate.
so this daemon is keeping a watch on the PV links ..are there two many on this machine.
As you said no errors for any HW path switching doesn`t looks like a potential issue so far .
But it is constant 3 % CPU usage & how are
you measuring that top /glance.
Any lvm patching done on this.
Thanks
Manix
Introduced a new kernel daemon which will keep track of NOT_ATTACHED PVs (* Alternate PV links *)and attach them to the VG as soon as they become accessible. This will avoid the need to reactivate.
so this daemon is keeping a watch on the PV links ..are there two many on this machine.
As you said no errors for any HW path switching doesn`t looks like a potential issue so far .
But it is constant 3 % CPU usage & how are
you measuring that top /glance.
Any lvm patching done on this.
Thanks
Manix
HP-UX been always lovable - Mani Kalra
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