Hey Rene, sorry to hear that. I had a similar issue with LVM but it was caused by an actual hardware problem so i reverted on using hardware raid on servers for prolonged storage instead of LVM.
regards, Iulian > Hey all, > > last night we had some major nightmare when we wanted to resize some LVM > partitions for regular maintenance. Somehow the Linux kernel on that > datacenter server would simply not show the lvm volumes anymore _at all_. > > I have never seen something like that ever, and I have absolutely no idea > how that could happen. Well, ok, there could be some typo, bug in the > Linux kernel. But not showing any LVM data in /proc and /sys and the > general commands? > > And the LVM partitions where still mounted, and running, > > Very, very strange. > > Early this morning we rebooted that server which brought the LVM reports > back, like: > > # pvdisplay > --- Physical volume --- > PV Name /dev/md0 > VG Name lvm0 > PV Size 683.73 GiB / > > > # lvdisplay > --- Logical volume --- > LV Path /dev/lvm0/srv > LV Name srv > VG Name lvm0 > > > As mentioned before, yesterday all this commands simply yielded nothing, > > Unfortunately the reboot brought the filesystems back vastly corrupt, we > restored the general http services and will now also restore that mass > download VM, which is currently surviving corrupted files. > > Again, this is all quite strange, never seen, and a bit untypical for a > bad storage sector (this is RAID1), flipped RAM bit, or simply a Linux > typo. Which brings me to the latest NSA disclosures: One can not trust > anything anymore, unfortunately could also been some secret agency. > > Thanks god this are all just public http files, so, we are just > restoring, keep and eye open and let us know when you notify anything, > > René > > -- > ExactCODE GmbH, Jaegerstr. 67, DE-10117 Berlin > http://exactcode.com | http://exactscan.com | http://ocrkit.com | > http://t2-project.org | http://rene.rebe.de
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