ExternalVendorCode/tahoe-lafs
1
0
Fork 0
mirror of https://github.com/tahoe-lafs/tahoe-lafs.git synced 2024-12-23 14:52:26 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

provisioning: include the cost of replacing failed hard drives

Browse Source
This commit is contained in:
Brian Warner 2007-09-10 15:46:45 -07:00
parent 0497d62939
commit 89a25f1987
1 changed files with 15 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/allmydata/provisioning.py
View File

@ -604,16 +604,10 @@ class ProvisioningTool(rend.Page):
server_bandwidth_mbps = mathutil.div_ceil(int(server_bandwidth*8),
int(1e6))
server_monthly_cost = 70*server_bandwidth_mbps + 44
total_server_monthly_cost = float(num_servers * server_monthly_cost)
add_output("Servers", T.div["Monthly cost per server: $",
server_monthly_cost])
add_output("Grid", T.div["Monthly cost for all servers: $",
number(total_server_monthly_cost)])
add_output("Users", T.div["Capital cost per user: $",
number(total_server_cost / num_users)])
add_output("Users",
T.div["Monthly cost per user: $",
number(total_server_monthly_cost / num_users)])
# reliability
any_drive_failure_rate = total_drives * drive_failure_rate
@ -622,6 +616,21 @@ class ProvisioningTool(rend.Page):
add_output("Drives",
T.div["MTBF (any drive): ",
number(any_drive_MTBF_days), " days"])
drive_replacement_monthly_cost = (float(drive_cost)
* any_drive_failure_rate
*30*86400)
add_output("Grid",
T.div["Monthly cost of replacing drives: $",
number(drive_replacement_monthly_cost)])
total_server_monthly_cost = float(num_servers * server_monthly_cost
+ drive_replacement_monthly_cost)
add_output("Grid", T.div["Monthly cost for all servers: $",
number(total_server_monthly_cost)])
add_output("Users",
T.div["Monthly cost per user: $",
number(total_server_monthly_cost / num_users)])
# availability
file_dBA = self.file_availability(k, n, server_dBA)