[squid-users] does rock type deny being dedicated to specific process ??

hi ,
im trying smp and rock ,

i followed example of
http://wiki.squid-cache.org/ConfigExamples/SmpCarpCluster
==========================================

the issue is ,
in squid.conf i have
==================================
dns_v4_first on
# 3 workers, using worker #1 as the frontend is important
workers 3
cpu_affinity_map process_numbers=1,2 cores=1,3
cpu_affinity_map process_numbers=3 cores=5
#cpu_affinity_map process_numbers=3 cores=6
if ${process_number} = 1
include /etc/squid/frontend.conf
else
include /etc/squid/backend.conf
endif
================================

in backend.conf i have :
cache_dir rock /rock${process_number} 10000 max-size=32768 swap-timeout=350

the error is
FATAL: Ipc::Mem::Segment::open failed to shm_open(/squid-rock4.shm): (2) No
such file or directory
FATAL: Ipc::Mem::Segment::open failed to shm_open(/squid-rock3.shm): (2) No
such file or directory
FATAL: Ipc::Mem::Segment::open failed to shm_open(/squid-rock2.shm): (2) No
such file or directory

but
.
.
.
.

if i put in backend.conf
cache_dir rock /rock1 10000 max-size=32768 swap-timeout=350
cache_dir rock /rock2 10000 max-size=32768 swap-timeout=350
cache_dir rock /rock3 10000 max-size=32768 swap-timeout=350

it work !!!!!!

in conclusion ,

Q1- does that mean that in rock dir , it must be shared between squid
processess ???

if not ,

wt could be the solving of the error
FATAL: Ipc::Mem::Segment::open failed to shm_open(/squid-rock3.shm): (2) No
such file or directory

....

note that using aufs dir , no problems there !!

regards

-----
Dr.x

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