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[Gluster-devel] Filesystem use percentages under ALU
From: |
Majied Najjar |
Subject: |
[Gluster-devel] Filesystem use percentages under ALU |
Date: |
Tue, 10 Apr 2007 17:07:32 -0400 |
Hi,
How is read and write usage determined regarding the read and write thresholds
defined in the ALU container in the client config? Is there a way I can see
what percentage the disks are currently at?
Also, are there settings/criteria for determining which AFR disk is used for
primary reads and writes? Currently, I can see some margin of failover between
two AFR disks in a ALU configuration but often I have to restart the client due
to transport disconnect errors.
Here is my client config:
volume client1
type protocol/client
option transport-type tcp/client
option remote-host 10.10.48.2
option remote-subvolume brick
end-volume
volume client2
type protocol/client
option transport-type tcp/client
option remote-host 10.10.48.3
option remote-subvolume brick
end-volume
volume client3
type protocol/client
option transport-type tcp/client
option remote-host 10.10.48.4
option remote-subvolume brick
end-volume
volume client4
type protocol/client
option transport-type tcp/client
option remote-host 10.10.48.5
option remote-subvolume brick
end-volume
volume afr1
type cluster/afr
subvolumes client1 client3
option replicate *:2
end-volume
volume afr2
type cluster/afr
subvolumes client2 client4
option replicate *:2
end-volume
volume unify
type cluster/unify
subvolumes afr1 afr2
option scheduler alu
option alu.limits.min-free-disk 30GB
option alu.limits.max-open-files 10000
option alu.order
disk-usage:read-usage:write-usage:open-files-usage:disk-speed-usage
option alu.disk-usage.entry-threshold 2GB
option alu.disk-usage.exit-threshold 64MB
option alu.open-files-usage.entry-threshold 1024
option alu.open-files-usage.exit-threshold 32
option alu.read-usage.entry-threshold 10%
option alu.open-files-usage.exit-threshold 32
option alu.read-usage.entry-threshold 10%
option alu.read-usage.exit-threshold 4%
option alu.write-usage.entry-threshold 10%
option alu.write-usage.exit-threshold 4%
option alu.stat-refresh.interval 10sec
# option alu.stat-refresh.num-file-create 10
option readdir-force-success on
end-volume
volume writebehind
type performance/write-behind
option aggregate-size 131072
subvolumes unify
end-volume
volume readahead
type performance/read-ahead
option page-size 65536
option page-count 16
subvolumes writebehind
end-volume
Thanks,
Majied Najjar
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