Ceph

CURL -X HEAD hangs

in strace i see below
1572933638.469764 poll([{fd=3<socket:[35491387]>, events=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND}], 1, 0) = 0 (Timeout)
1572933638.469814 poll([{fd=3<socket:[35491387]>, events=POLLIN}], 1, 1000) = 0 (Timeout)
1572933639.471546 poll([{fd=3<socket:[35491387]>, events=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND}], 1, 0) = 0 (Timeout)
1572933639.471731 poll([{fd=3<socket:[35491387]>, events=POLLIN}], 1, 1000) = 0 (Timeout)
1572933640.475277 poll([{fd=3<socket:[35491387]>, events=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND}], 1, 0) = 0 (Timeout)
1572933640.475456 poll([{fd=3<socket:[35491387]>, events=POLLIN}], 1, 1000) = 0 (Timeout)
1572933641.479017 poll([{fd=3<socket:[35491387]>, events=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND}], 1, 0) = 0 (Timeout)
1572933641.479190 poll([{fd=3<socket:[35491387]>, events=POLLIN}], 1, 1000) = 0 (Timeout)
1572933642.482737 poll([{fd=3<socket:[35491387]>, events=POLLIN|POLLPRI|POLLRDNORM|POLLRDBAND}], 1, 0) = 0 (Timeout)

need urgent help

not sure how to check if issue with ceph