On Sat, Nov 28, 2015 at 10:42:28AM -0500, Mikhail T. wrote: > I was copying /home from an old server (narawntapu) to a new one > (aldan). The narawntapu:/home is mounted on aldan as /mnt with flags > ro,intr. On narawntapu /home was simply located on an SSD, but on aldan > I created a ZFS filesystem for it. > > The copying was started thus: > > root@aldan:/home (435) cp -Rpn /mnt/* . > > for a while this was proceeding at a decent clip with cp making > newnfsreq-uests: > > load: 0.78 cmd: cp 38711 [newnfsreq] 802.84r 1.57u 140.63s 20% 10768k > > /mnt/mi/.kde/share/apps/kmail/dimap/.42838394.directory/sent/cur/1219621413.32392.hd8cl:2,S > -> > > ./mi/.kde/share/apps/kmail/dimap/.42838394.directory/sent/cur/1219621413.32392.hd8cl:2,S > 100% > load: 1.23 cmd: cp 38711 [newnfsreq] 874.19r 1.66u 154.74s 17% 4576k > > /mnt/mi/.kde/share/apps/kmail/dimap/.42838394.directory/ML/cur/1219595347.32392.rMDFf:2,S > -> > > ./mi/.kde/share/apps/kmail/dimap/.42838394.directory/ML/cur/1219595347.32392.rMDFf:2,S > 100% > > ZFS on the destination compressing and writing stuff out and the traffic > between the two ranging from 30 to 50Mb/s (according to systat), but > then something happened and the cp-process is now hung: > > load: 0.55 cmd: cp 38711 [fifoor] 1107.67r 2.09u 194.12s 0% 3300k > load: 0.50 cmd: cp 38711 [fifoor] 1112.66r 2.09u 194.12s 0% 3300k > load: 0.22 cmd: cp 38711 [fifoor] 1642.37r 2.09u 194.12s 0% 3300k >
# grep -r fifoor /usr/src/ /usr/src/sys/fs/fifofs/fifo_vnops.c: PDROP | PCATCH | PSOCK, "fifoor", 0); May be cp try copy fifo's content, by incorrectly detect special file? _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[email protected]"
