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Repairing a Linux host with disk/filesystem issues

This is a writeup on some scenario’s for disk issues that you could encounter when running linux systems. The linux systems I am talking about are centos/redhat/oracle (EL) version 7 systems. This is just a writeup for myself to know how to deal with different scenario’s, hopefully other people find this interesting too. I don’t believe there is any difference for the below scenario’s and resolutions between running physical/bare metal, virtualised or in the cloud, provided you can get access the you need (like the BIOS POST console). The test configuration uses (legacy) MBR (meaning non UEFI), grub2 as boot loader, LVM for meta devices (you don’t want to run without LVM!!) and XFS for the filesystems.

HOWTO: Mount your Database as File System via WebDAV under Linux

No, no this isn’t another DBFS post but a more simple and direct way of achieving the same

;-)

Just had a funny discussion with Roel Hartman regarding how to trick the Tomcat APEX 4 setup in believing that the virtual XFILES directory in the database was actually available on disk of the local server. This is probably not the way to solve this but should be realized via Tomcat / APEX 4. The OTN Development virtualbox environment with APEX 4 gets his “/i/” images via Tomcat from the directory.

#66cc66;">[oracle@localhost i#66cc66;">]$ pwd
#66cc66;">/home#66cc66;">/oracle#66cc66;">/apache#66cc66;">-tomcat#66cc66;">-6#66cc66;">.0#66cc66;">.20#66cc66;">/webapps#66cc66;">/ROOT#66cc66;">/i

The easiest solution would have been to copy the XFILES images and files in a directory called XFILES under the ROOT directory.