Comments (4)
cosmos72
commented on August 21, 2024
depending on the partition size (180 GB in your case, not huge by current standards) and the disk speed, fstransform can be quite slow.
When it seems stuck, can you open another terminal (with the same user) and run the command
ps -fuwww
to find out which program started by fstransform is stuck or taking a long time?
If I remember correctly, in your case the next step after the logs you reported is to format the 180GB sparse file /home/.fstransform.loop.6868 as ext4.
from fstransform.
mxshooter
commented on August 21, 2024
Thank you for answer. Output of command:
...
23:34:35 fstransform: environment check passed.
23:34:35 fstransform: saving output of this execution into /var/tmp/fstransform/fstransform.log.10859
23:34:35 fstransform: preparing to transform device '/dev/sda4' to file-system type 'ext4'
23:34:35 fstransform: device is mounted at '/home' with file-system type 'xfs'
23:34:35 fstransform: device raw size = 194209906688 bytes
23:34:35 fstransform: WARNING: possibly stale fstransform loop files found inside device '/dev/sda4',
maybe they can be removed? list of files found:
/home/.fstransform.loop.6868
23:34:35 fstransform: creating sparse loop file '/home/.fstransform.loop.10859' inside device '/dev/sda4'...
23:34:35 dd: 1+0 records in
23:34:35 dd: 1+0 records out
23:34:35 dd: 1 byte copied, 0.000428479 s, 2.3 kB/s
... stuck, another session:
srv:~ # ps -fuwww
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 16184 0.0 0.0 38212 3600 pts/0 S Jan16 0:00 su -l root
root 16185 0.0 0.1 15128 3964 pts/0 S Jan16 0:00 \_ -bash
root 16279 0.0 0.0 27392 3376 pts/0 S+ Jan16 0:00 \_ screen -r
root 9067 0.0 0.1 13688 5732 pts/2 Ss+ Jan16 0:00 /bin/bash
root 9577 0.0 0.1 38212 4748 pts/4 S 23:24 0:00 su -l root
root 9578 0.0 0.2 15128 8996 pts/4 S 23:24 0:00 \_ -bash
root 10859 0.1 0.0 4980 2044 pts/4 S+ 23:34 0:00 \_ /bin/dash /usr/sbin/fstransform /dev/sda4 ext4
root 10930 0.0 0.0 4980 1508 pts/4 S+ 23:34 0:00 \_ /bin/dash /usr/sbin/fstransform /dev/sda4 ext4
root 10938 0.1 0.1 38212 4804 pts/1 S 23:34 0:00 su -l root
root 10939 1.0 0.2 15128 9124 pts/1 S 23:34 0:00 \_ -bash
root 11111 100 0.1 19932 3836 pts/1 R+ 23:35 0:00 \_ ps -fuwww
root 1764 0.0 0.0 4932 632 tty1 Ss+ Jan09 0:00 /sbin/agetty -o -p -- \u --noclear tty1 linux
srv:~ #
At this page there is strings in output after "dd: 1 byte copied":
14:17:07 fstransform: device file-system block size = 4096 bytes
14:17:07 fstransform: device usable size = 219042914304 bytes
Part of code with this text follows line 1114. Thinked about wrong stat output, but in another terminal it works:
srv:~ # stat -c %o /home/.fstransform.loop.10859
4096
from fstransform.
cosmos72
commented on August 21, 2024
This is strange.
fstransform looks stuck in a subshell, but there is no command currently running.
Can you try to add the line
set -x
near the top of the fstransform script - for example immediately after the line
PROG=fstransform
and run it again?
It will print every command before executing it, and it should help pinpointing the exact problem.
from fstransform.
mxshooter
commented on August 21, 2024
Ok, output:
...
+ test /usr/bin/date !=
+ /usr/bin/date +%Y-%m-%d %H:%M:%S
+ echo -n 2019-01-21 12:44:40
+ echo fstransform: creating sparse loop file '/home/.fstransform.loop.17091' inside device '/dev/sda4'...
+ test -e /home/.fstransform.loop.17091
+ exec_cmd_noquit /usr/bin/dd if=/dev/zero of=/home/.fstransform.loop.17091 bs=1 count=1
+ read_cmd_out /usr/bin/dd
+ read_cmd_out_err /usr/bin/dd /tmp/fstransform.out.17091
+ local my_cmd_full=/usr/bin/dd
+ /usr/bin/expr match /usr/bin/dd .*/\([^/]*\)
+ local my_cmd=dd
+ test dd =
+ local my_fifo=/tmp/fstransform.out.17091
+ local my_prefix=
+ local my_out_1= my_out=
+ + read/usr/bin/dd if=/dev/zero of=/home/.fstransform.loop.17091 bs=1 my_out_1 my_out
count=1
+ test 1+0 = dd:
+ test 1+0 = /usr/bin/dd:
+ log_info_4_cmd dd: 1+0 records in
+ log_tty_timestamp
+ test yes = yes -a /usr/bin/date !=
+ /usr/bin/date +%H:%M:%S
+ echo -n 12:44:40
12:44:40 + echo dd: 1+0 records in
dd: 1+0 records in
+ log_file_info_4_cmd dd: 1+0 records in
+ log_file_timestamp
+ test /usr/bin/date !=
+ /usr/bin/date +%Y-%m-%d %H:%M:%S
+ echo -n 2019-01-21 12:44:40
+ echo dd: 1+0 records in
+ read my_out_1 my_out
+ test 1+0 = dd:
+ test 1+0 = /usr/bin/dd:
+ log_info_4_cmd dd: 1+0 records out
+ log_tty_timestamp
+ test yes = yes -a /usr/bin/date !=
+ /usr/bin/date +%H:%M:%S
+ echo -n 12:44:40
12:44:40 + echo dd: 1+0 records out
dd: 1+0 records out
+ log_file_info_4_cmd dd: 1+0 records out
+ log_file_timestamp
+ test /usr/bin/date !=
+ /usr/bin/date +%Y-%m-%d %H:%M:%S
+ echo -n 2019-01-21 12:44:40
+ echo dd: 1+0 records out
+ read my_out_1 my_out
+ test 1 = dd:
+ test 1 = /usr/bin/dd:
+ log_info_4_cmd dd: 1 byte copied, 0.000350599 s, 2.9 kB/s
+ log_tty_timestamp
+ test yes = yes -a /usr/bin/date !=
+ /usr/bin/date +%H:%M:%S
+ echo -n 12:44:40
12:44:40 + echo dd: 1 byte copied, 0.000350599 s, 2.9 kB/s
dd: 1 byte copied, 0.000350599 s, 2.9 kB/s
+ log_file_info_4_cmd dd: 1 byte copied, 0.000350599 s, 2.9 kB/s
+ log_file_timestamp
+ test /usr/bin/date !=
+ /usr/bin/date +%Y-%m-%d %H:%M:%S
+ echo -n 2019-01-21 12:44:40
+ echo dd: 1 byte copied, 0.000350599 s, 2.9 kB/s
+ read my_out_1 my_out
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Related Issues (20)
- Adding ftype=1 to an xfs partition HOT 8
- Is zfs supported in any way? HOT 2
- F2FS support? HOT 2
- integrate fstransform into busybox? HOT 2
- src/arch/mem_linux.cc:70: off by one error ? HOT 1
- NTFS3 support (Now that kernel version 5.15 contain new NTFS driver?) HOT 3
- Can't grok which on EL9 HOT 2
- Conversion failed with fsmove error HOT 47
- GPL2-only → GPL2 or later HOT 2
- 'dd' failure at launch of fstransform HOT 2
- Error unmounting before disk check - how to proceed? HOT 1
- NTFS > XFS/F2FS No Such Device error HOT 2
- Converting XFS RAID5 to EXT4 HOT 3
- Can I convert 33T logical partitions? HOT 2
- Unknown code er3k 127 - After transforming reiserfs to ext3 - Fix included
- Unmount failed... but had no reason to do so
- Transforming reiserfs can lead to "kernel BUG at fs/reiserfs/journal.c:3039!" or "unable to handle page fault for address" HOT 1
- xfs -> ext4 conversion does not transfer SELinux contexts HOT 3
- Suggest warning added to --resume-job not to use loop file as argument
- Convert from btrfs to xfs: lseek error
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