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# 100_check_stale_nfs_mounts.sh # Purpose is to have a simple test if we have stale NFS mount points which # could lead to a hangind ReaR session. # In case there is a stale NFS present we bail out with an error to get it fixed before # running ReaR again. # See issue https://github.com/rear/rear/issues/3109 # To make the code more robust we take care of spaces and \ in the mount point naming. ### example mount point /mnt/!@#$%^&**()_-=+{}|\ # + read -r exported_fs mount_point junk #++ grep -i '[[:blank:]]nfs' /proc/mounts #++ sed -e 's/\\040/ /g' -e 's/\\134/\\/g' #+ mntpt='/mnt/!@#$%^&**()_-=+{}|\' #+ timeout 5 df '/mnt/!@#$%^&**()_-=+{}|\' # # or # #+ read -r exported_fs mount_point junk #++ grep -i '[[:blank:]]nfs' /proc/mounts #++ sed -e 's/\\040/ /g' -e 's/\\134/\\/g' #+ mntpt='/mnt/something else with xXx going on!' #+ timeout 5 df '/mnt/something else with xXx is going on!' while read -r exported_fs mount_point junk ; do mntpt="$(sed -e 's/\\040/ /g' -e 's/\\134/\\/g' <<< "$mount_point")" timeout 5 df "$mntpt" >/dev/null || Error "Stale NFS mount point $mount_point detected - please fix it first!" done < <(grep -i "[[:blank:]]nfs" /proc/mounts)
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