On an apparently working 22.04 nfs4 krb5p server, the blocklayout pipe is not used
ps -fCblkmapd UID PID PPID C STIME TTY TIME CMD root 2634 1 0 Jul01 ? 00:00:00 /usr/sbin/blkmapd lsof -p2634 COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME blkmapd 2634 root cwd DIR 0,28 29 34 / blkmapd 2634 root rtd DIR 0,28 29 34 / blkmapd 2634 root txt REG 0,28 39224 642976 /usr/sbin/blkmapd blkmapd 2634 root mem REG 0,28 613064 233776 /usr/lib/x86_64-linux-gnu/libpcre2-8.so.0.10.4 blkmapd 2634 root mem REG 0,28 940560 218864 /usr/lib/x86_64-linux-gnu/libm.so.6 blkmapd 2634 root mem REG 0,28 166240 140762 /usr/lib/x86_64-linux-gnu/libudev.so.1.7.2 blkmapd 2634 root mem REG 0,28 166280 233490 /usr/lib/x86_64-linux-gnu/libselinux.so.1 blkmapd 2634 root mem REG 0,28 2216304 218858 /usr/lib/x86_64-linux-gnu/libc.so.6 blkmapd 2634 root mem REG 0,28 438864 637950 /usr/lib/x86_64-linux-gnu/libdevmapper.so.1.02.1 blkmapd 2634 root mem REG 0,28 240936 218852 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 blkmapd 2634 root 0u CHR 1,3 0t0 5 /dev/null blkmapd 2634 root 1u CHR 1,3 0t0 5 /dev/null blkmapd 2634 root 2u CHR 1,3 0t0 5 /dev/null blkmapd 2634 root 3wW REG 0,25 5 1889 /run/blkmapd.pid blkmapd 2634 root 4r a_inode 0,14 0 12560 inotify blkmapd 2634 root 5u unix 0xffff9fe8c7c89100 0t0 26241 type=DGRAM
On an apparently working 22.04 nfs4 krb5p server, the blocklayout pipe is not used
ps -fCblkmapd x86_64- linux-gnu/ libpcre2- 8.so.0. 10.4 x86_64- linux-gnu/ libm.so. 6 x86_64- linux-gnu/ libudev. so.1.7. 2 x86_64- linux-gnu/ libselinux. so.1 x86_64- linux-gnu/ libc.so. 6 x86_64- linux-gnu/ libdevmapper. so.1.02. 1 x86_64- linux-gnu/ ld-linux- x86-64. so.2
UID PID PPID C STIME TTY TIME CMD
root 2634 1 0 Jul01 ? 00:00:00 /usr/sbin/blkmapd
lsof -p2634
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
blkmapd 2634 root cwd DIR 0,28 29 34 /
blkmapd 2634 root rtd DIR 0,28 29 34 /
blkmapd 2634 root txt REG 0,28 39224 642976 /usr/sbin/blkmapd
blkmapd 2634 root mem REG 0,28 613064 233776 /usr/lib/
blkmapd 2634 root mem REG 0,28 940560 218864 /usr/lib/
blkmapd 2634 root mem REG 0,28 166240 140762 /usr/lib/
blkmapd 2634 root mem REG 0,28 166280 233490 /usr/lib/
blkmapd 2634 root mem REG 0,28 2216304 218858 /usr/lib/
blkmapd 2634 root mem REG 0,28 438864 637950 /usr/lib/
blkmapd 2634 root mem REG 0,28 240936 218852 /usr/lib/
blkmapd 2634 root 0u CHR 1,3 0t0 5 /dev/null
blkmapd 2634 root 1u CHR 1,3 0t0 5 /dev/null
blkmapd 2634 root 2u CHR 1,3 0t0 5 /dev/null
blkmapd 2634 root 3wW REG 0,25 5 1889 /run/blkmapd.pid
blkmapd 2634 root 4r a_inode 0,14 0 12560 inotify
blkmapd 2634 root 5u unix 0xffff9fe8c7c89100 0t0 26241 type=DGRAM