DVD multi-session ... not saving
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# cd /usr/sbin
# ./save2session
Waiting for RAM save task to finish...
find: ‘/aufs/pup_save/archive’: No such file or directory
mount: /tmp/shutdown-mnt-L1iJnV: WARNING: device write-protected, mounted read-only.
Saving initial session multi-fd64save-2019-02-14T13-53+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
Saving session to multi-fd64save-2019-02-14T13-53+00-00-save.sfs... umount: /dev/sr0: not mounted.
failed.
removing bottom-layer files which have been deleted from top-layer
removing bottom-layer whiteouts for newly added top-layer files
merging top-layer files to bottom-layer
removing merged top-layer files
re-evaluating layers
DVD blanked, formatted as DVD multi-session using EasyOS version of peasydisc so may be a error in that. Will try another version (recording results of issue here now whilst I have them available).
... installed peasydisc from fatdog's gslapt and re-did DVD ... again didn't save multi-session (similar message as above - but without the write protected warning).
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# save2session
Waiting for RAM save task to finish...
find: ‘/aufs/pup_save/archive’: No such file or directory
Saving initial session multi-fd64save-2019-02-14T14-08+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
Saving session to multi-fd64save-2019-02-14T14-08+00-00-save.sfs... umount: /dev/sr0: not mounted.
failed.
removing bottom-layer files which have been deleted from top-layer
removing bottom-layer whiteouts for newly added top-layer files
merging top-layer files to bottom-layer
removing merged top-layer files
re-evaluating layers
Used the same DVD and blanked. formatted and burned it using the same method ... and under 721 saves work fine (so looks like it is 800 specific).
Tried another DVD with FD8RC ... same. Tried installing peasydics and isomaster from gslapt thinking it might be a missing driver, peasydisc blanked, formatted and burnt ok.
Edited fatdog-save-multisession.sh to add some debug points
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save_multisession() {
local shutdown_mode=""; # blank=no, non-blank yes
[ "$1" = "shutdown" ] && shutdown_mode=yes
echo debug 1
# 0. Lock session
[ -z $MULTI_MOUNT ] && return # can only do this when we're in multisession mode
[ -z "$shutdown_mode" ] && [ -d $MULTI_SAVE_DIR ] && return # existing save in progress, abort
mkdir -p $MULTI_SAVE_DIR
echo debug 2
# 1. get savefile base name (savefilebase) and path (savepath)
# - path used for grafting (if there is none, graft at root directory)
# - basename used to construct complete savefilename based on $MULTI_PREFIX, timestamp and .sfs
savefilebase="$SAVEFILE_PROTO" && [ "$SAVEFILE_PATH" ] && savefilebase=$SAVEFILE_PATH
savepath="${savefilebase%/*}/" && [ "${savepath}" = "${savefilebase}/" ] && savepath=/
savefilebase=${savefilebase##*/}; savefilebase=${MULTI_PREFIX}${savefilebase%.*}
echo debug 3
# 2. build the savefile name (basename + timestamp + .sfs)
savefileproto=${savefilebase}
timestamp=$(date -Iminutes | tr : -)
savefile="$savefileproto-$timestamp-save.sfs"
basefile="$savefileproto-$timestamp-base.sfs" # so that it is loaded first
archivepath="archive/$timestamp"
echo debug 4
# 3. save "archive" files first if archive is not empty, do it here to make room for mksquashfs
if [ $(find "$SAVEFILE_MOUNT"/archive -maxdepth 0 -type d \! -empty) ]; then
echo -n "Saving archives to $archivepath... "
burn_to_device "$archivepath" "$savepath/$archivepath" "" "$SAVEFILE_MOUNT/archive/*"
rm -rf "$SAVEFILE_MOUNT"/archive/* # keep the original archive folder, we need it
fi
echo debug 5
# 4. see if the disk is empty (no previous sessions), if yes, save old files as initial session
if ! file_exist_on_multi_device "$savepath/$savefileproto*"; then
echo -n "Saving initial session $basefile... "
mksquashfs "$MULTI_MOUNT" "$MULTI_SAVE_DIR/$basefile" $MKSQUASHFS_OPTIONS > /dev/null &&
burn_to_device "$savepath" "$savepath" "" "$MULTI_SAVE_DIR/$basefile"
rm -f "$MULTI_SAVE_DIR/$basefile" # conserve RAM, delete after saving
fi
echo debug 6
# 5. delete old base files to free up space for new ones - only during shutdown
[ "$shutdown_mode" ] && find "$MULTI_MOUNT" -xdev \! \( -path "${MULTI_MOUNT}${AUFS_ROOT}*" -o -path "$MULTI_MOUNT" \) -delete
mkdir -p $MULTI_SAVE_DIR # do this again here (aufs bug)
echo debug 7
# 6. build the session file (mksquashfs)
echo -n "Saving session to $savefile... "
mksquashfs "$SAVEFILE_MOUNT" "$MULTI_SAVE_DIR/$savefile" $MKSQUASHFS_OPTIONS > /dev/null &&
burn_to_device "$savepath" "$savepath" "$shutdown_mode" "$MULTI_SAVE_DIR/$savefile"
rm -f "$MULTI_SAVE_DIR/$savefile" # conserve RAM, delete after saving
echo debug 8
# 6. merge down so that next time the same info is not saved again - only for non-shutdown event
[ -z "$shutdown_mode" ] && fatdog-merge-layers.sh "$SAVEFILE_MOUNT" "$MULTI_MOUNT"
echo debug 9
# 7. unlock session and reclaim space
rm -rf $MULTI_SAVE_DIR
}
and running save2session from terminal produced ...
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# save2session
Waiting for RAM save task to finish...
debug 1
debug 2
debug 3
debug 4
find: ‘/aufs/pup_save/archive’: No such file or directory
debug 5
mount: /tmp/shutdown-mnt-kdRU6b: WARNING: device write-protected, mounted read-only.
Saving initial session multi-fd64save-2019-02-15T12-33+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
debug 6
debug 7
Saving session to multi-fd64save-2019-02-15T12-33+00-00-save.sfs... umount: /dev/sr0: not mounted.
failed.
debug 8
removing bottom-layer files which have been deleted from top-layer
removing bottom-layer whiteouts for newly added top-layer files
merging top-layer files to bottom-layer
removing merged top-layer files
re-evaluating layers
debug 9
#
Added a mount command immediately after the echo debug 5 and the output for that section now looks like ...
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debug 5
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
devtmpfs on /dev type devtmpfs (rw,relatime,size=855388k,nr_inodes=213847,mode=755)
tmpfs on /aufs/pup_init type tmpfs (ro,relatime,mode=755)
/kernel-modules.sfs (deleted) on /aufs/kernel-modules type squashfs (ro,relatime)
/dev/loop1 on /aufs/pup_ro type squashfs (ro,relatime)
tmpfs on /aufs/pup_multi type tmpfs (rw,relatime,mode=755,gid=500)
tmpfs on /aufs/pup_save type tmpfs (rw,relatime,mode=755,gid=500)
aufs on / type aufs (rw,relatime,si=8d441e2bb95db894)
devpts on /dev/pts type devpts (rw,relatime,gid=3,mode=620,ptmxmode=000)
tmpfs on /dev/shm type tmpfs (rw,relatime,mode=777)
tmpfs on /tmp type tmpfs (rw,relatime)
cgroup on /sys/fs/cgroup type cgroup (rw,relatime,cpuset,cpu,cpuacct,blkio,memory,devices,freezer,net_cls,perf_event,net_prio,pids)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
mount: /tmp/shutdown-mnt-BP1F4A: WARNING: device write-protected, mounted read-only.
Saving initial session multi-fd64save-2019-02-15T12-50+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
debug 6
debug 7
Edited
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file_exist_on_multi_device() {
local p tmpdir;
tmpdir=$(mount_device /dev/$MULTI_DEVICE)
echo debug 5a $tmpdir
if [ -z $tmpdir ]; then
# attempt to initialise DVD if it's unformatted
if grep "drive name" /proc/sys/dev/cdrom/info | grep -q $MULTI_DEVICE; then
echo -n "Found empty DVD - initialising ... "
> /tmp/empty
$GROWISOFS_INIT /tmp/empty >> /dev/initrd.err 2>&1 &&
echo "done." || echo "failed."
fi
return 1 # empty drive - always fail
else
ls $tmpdir/$1 > /dev/null 2>&1; p=$?
umount $tmpdir; rmdir $tmpdir
return $p
fi
}
relevant run output looks like ...
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debug 5a /tmp/shutdown-mnt-EsvJzT
Saving initial session multi-fd64save-2019-02-15T13-02+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
debug 6
debug 7
Ahh! Clearly looking in the wrong place ... added a ls -l after the mksquashfs and burn_to_device ... came back with
-rw-r--r-- 1 root root 5529600 Feb 15 13:10 /tmp/save-multi/multi-fd64save-2019-02-15T13-10+00-00-save.sfs
... so the creation of save data sfs is ok
Focused in on the burn_to_device function
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burn_to_device() {
local save_ok=yes
local GROWROOT="$1"
local HDROOT="$2"
local EJECT="$3"
local SOURCES="$4"
local tmpdir
if grep "drive name" /proc/sys/dev/cdrom/info | grep -q $MULTI_DEVICE; then
echo debug if grep
# cdrom - assume dvd, use growisofs
echo debug umounting /dev/$MULTI_DEVICE
umount /dev/$MULTI_DEVICE
echo debug GROWISOFS $GROWISOFS
echo debug SOURCES $SOURCES
! $GROWISOFS -root $GROWROOT $SOURCES >> /dev/initrd.err 2>&1 && save_ok=no
[ "$EJECT" ] && cdrom_id --eject-media /dev/$MULTI_DEVICE > /dev/null # eject media when done
else
... output
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debug if grep
debug umounting /dev/sr0
umount: /dev/sr0: not mounted.
debug GROWISOFS growisofs -M /dev/sr0 -iso-level 4 -D -R
debug SOURCES /tmp/save-multi/multi-fd64save-2019-02-15T13-21+00-00-base.sfs
failed.
type tmpfs (rw,relatime)
cgroup on /sys/fs/cgroup type cgroup (rw,relatime,cpuset,cpu,cpuacct,blkio,memory,devices,freezer,net_cls,perf_event,net_prio,pids)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
mount: /tmp/shutdown-mnt-BP1F4A: WARNING: device write-protected, mounted read-only.
Saving initial session multi-fd64save-2019-02-15T12-50+00-00-base.sfs... umount: /dev/sr0: not mounted.
failed.
debug 6
debug 7
Added a debug echo of $GROWROOT also ... output
debug GROWISOFS growisofs -M /dev/sr0 -iso-level 4 -D -R
debug GROWROOT /
debug SOURCES /tmp/save-multi/multi-fd64save-2019-02-15T13-29+00-00-base.sfs
So looks like the command
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! $GROWISOFS -root $GROWROOT $SOURCES >> /dev/initrd.err 2>&1 && save_ok=no
in fatdog-savemulti-session.sh burn_to_device() function isn't doing its stuff.
Arbitrarily tried running
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growisofs -M /dev/sr0 -iso-level 4 -D -R / ./make-spot-more-secure >lst 2>&1
... output attached (actual gzip).
