[linux-lvm] LVM Disaster Recovery

kozmik at toolkitmail.com kozmik at toolkitmail.com
Thu Jun 19 08:22:04 UTC 2003

Hello, I am a long time user, first time poster and strong supporter of LVM, 
but on occasion I hit a wall with something and need some assistance so I don’t 
further damage what is already having problems. It’s my understanding that an 
attempt to extend the size of this LV was underway when the power went out to 
this server.  Now the following appears when doing a vgscan.  Prior to the 
extension attempt, this volume was working great. I have also attached the 
results of vgscan –d.  Please advise me on the best route to take in recovering 
this LV without losing any if not all the data.  I have run into this before 
but was unsuccessful in recovery due to my ignorance of any recovery 
procedures.  Also let me know additional information is required.



vgscan -- reading all physical volumes (this may take a while...)

vgscan -- found active volume group "vg1"

vgscan -- only found 29800 of 35752 LEs for LV /dev/vg2/vg2_lv (0)

vgscan -- ERROR "vg_read_with_pv_and_lv(): allocated LE of LV" can't get data 
of volume group "vg2" from physical volume(s)

vgscan -- "/etc/lvmtab" and "/etc/lvmtab.d" successfully created

vgscan -- WARNING: This program does not do a VGDA backup of your volume groups




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