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Re: [linux-lvm] what does 'orphan vg' mean?(global vg?)



Hi Milan,
              Thank you very much for so detailed reply.
              I still have one question, the full scan like 'vgs' will scan the devives(both used and unused in the LVM) to find the label info, I read the debug mesg  by using 'vgs -vvvv' cmd. when it take a long time, it may stop for a while by output the '#device/dev-io.c:486         Opened /dev/sdp RO O_DIRECT'  ('sdp' just for example,or may be a soft raid md device), I don't know why it will stop for a while, locking?device missing? or other reason? I need your help and advice.
           The missing devices you mentioned in the emails before, means the devices used in the LVM (PVs), or the other devices in the system , or both? You said 'missing device was searched too many times slowing everything down'.
         
 
Best Regards,
Busby
 
 
 


在2010-04-13 20:11:01,"Milan Broz" <mbroz redhat com> 写道: >On 04/13/2010 01:33 PM, Busby.Cheung wrote: >> My LVM2 version is 2.02.54, haven't done any patch. >> Did you mean that there were some patches to fix the 'take long time'  's bug? > >I mean these not-yet released changes in upstream, not that fixes all problems, >but should help > >Version 2.02.63 - >  Suppress repeated errors about the same missing PV uuids. >  Bypass full device scans when using internally-cached VG metadata. >  Only do one full device scan during each read of text format metadata. > >Milan



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