On Monday 28 July 2014 at 10:45:03, Jose R R wrote: > Niltze, doiggl- > > On Sat, Jul 26, 2014 at 11:49 PM, <doiggl@xxxxxxxxxxxxxxxxxx> wrote: > > Hello, > > - Run following commands in another terminal while doing a rm command in > > the other. > > # iotop --only > > - also does # dmesg show any messages in another terminal > > --Glenn > > > > [1] > > This command shows only show processes or threads actually doing I/O > > # iotop --help > > > > Usage: /usr/sbin/iotop [OPTIONS] > > > > DISK READ and DISK WRITE are the block I/O bandwidth used during the > > sampling > > period. SWAPIN and IO are the percentages of time the thread spent > > respectively > > while swapping in and waiting on I/O more generally. PRIO is the I/O > > priority at > > which the thread is running (set using the ionice command). > > > > Controls: left and right arrows to change the sorting column, r to invert > > the > > sorting order, o to toggle the --only option, p to toggle the --processes > > option, a to toggle the --accumulated option, i to change I/O priority, q > > to > > quit, any other key to force a refresh. > > > > Options: > > --version show program's version number and exit > > -h, --help show this help message and exit > > -o, --only only show processes or threads actually doing I/O > > -b, --batch non-interactive mode > > -n NUM, --iter=NUM number of iterations before ending [infinite] > > -d SEC, --delay=SEC delay between iterations [1 second] > > -p PID, --pid=PID processes/threads to monitor [all] > > -u USER, --user=USER users to monitor [all] > > -P, --processes only show processes, not all threads > > -a, --accumulated show accumulated I/O instead of bandwidth > > -k, --kilobytes use kilobytes instead of a human friendly unit > > -t, --time add a timestamp on each line (implies --batch) > > -q, --quiet suppress some lines of header (implies --batch) > > > > Example: Reiser4-formatted /dev/sda10 partition has old data that I > copied over with (cp -a) but which I now want to remove with (rm -rf). > From my current Debian system I mount /dev/sda10 to a local mount > point and do on one shell window: > > nice rm -rf /mnt/sda10/copied-onto-reiser4-data-dir > > on another shell I follow your suggestion: > > iotop --only > > (output) > ---------------------------------------------------------- > reiser4: sda10: found disk format 4.0.0. > reiser4: sda10: using Hybrid Transaction Model. > reiser4[rm(3352)]: parse_node40 > (fs/reiser4/plugin/node/node40.c:672)[nikita-494]: > WARNING: Wrong level found in node: 1 != 0 Hello, this looks like a filesystem corruption. Could you please run fsck.reiser4 (if needed, with --build-fs switch) and retry everything this? If the corruption persists, please, post your kernel version, config and tell which reiser4 patch have you used. Thanks, -- Ivan Shapovalov / intelfx / > reiser4[rm(3352)]: delete_object_cryptcompress > (fs/reiser4/plugin/file/cryptcompress.c:3734)[edward-430]: > WARNING: cannot truncate cryptcompress file 425684: -5 > reiser4[rm(3352)]: parse_node40 > (fs/reiser4/plugin/node/node40.c:672)[nikita-494]: > WARNING: Wrong level found in node: 1 != 0 > reiser4[rm(3352)]: reiser4_cut_tree_object > (fs/reiser4/tree.c:1790)[nikita-2861]: > WARNING: failure: -5 > reiser4[rm(3352)]: delete_object_cryptcompress > (fs/reiser4/plugin/file/cryptcompress.c:3734)[edward-430]: > WARNING: cannot truncate cryptcompress file 425688: -5 > ----------------------------------------------------------- > > and yet on another shell I execute: > > dmesg > > and I take a snapshot: > > < https://pbs.twimg.com/media/Bto5EF0CYAAhwhQ.png:large > > > waited 15 minutes but the process nice rm -rf hung -- and executing: > > kill -9 <process id> > > does not work either and the system fan strains with the unkillable process. > > Odd? Yes I know, but it only occurs on old data copied over onto a > newly formatted reiser4 partition. There is no issue with new data > that I create (say 5GB or more) once my root Debian system is > operating on a Reiser4 file system. > > > Best Professional Regards. > >
Attachment:
signature.asc
Description: This is a digitally signed message part.
