Hi,
This crushmap seems to be valid. I'll look into it more tomorrow.
-Sam
On 03/16/2011 03:08 PM, Ben De Luca wrote:
Hi there, am setting up a new ceph cluster.
I wondered if there was a problem with the following crushmap, my
clients immediately lock up when I use this.
I have 4 nodes each with 2 disks and 2 osd's
# devices
device 0 device0
device 1 device1
device 2 device2
device 3 device3
device 4 device4
device 5 device5
device 6 device6
device 7 device7
# types
type 0 device
type 1 host
type 2 root
# buckets
host host0 {
id -1 # do not change unnecessarily
alg straw
hash 0 # rjenkins1
item device0 weight 1.000
item device1 weight 1.000
}
host host1 {
id -2 # do not change unnecessarily
alg straw
hash 0 # rjenkins1
item device2 weight 1.000
item device3 weight 1.000
}
host host2 {
id -3 # do not change unnecessarily
alg straw
hash 0 # rjenkins1
item device4 weight 1.000
item device5 weight 1.000
}
host host3 {
id -4 # do not change unnecessarily
alg straw
hash 0 # rjenkins1
item device6 weight 1.000
item device7 weight 1.000
}
root root {
id -5 # do not change unnecessarily
alg straw
hash 0 # rjenkins1
item host0 weight 2.000
item host1 weight 2.000
item host2 weight 2.000
item host3 weight 2.000
}
# rules
rule data {
ruleset 1
type replicated
min_size 2
max_size 2
step take root
step chooseleaf firstn 0 type host
step emit
}
# end crush map
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