Downloading The Tier Relocation Log File; Tier Relocation Log File Contents - HP XP7 User Manual

Downloading the tier relocation log file

You can download the log file that contains the results of past tier relocations. See
log file contents" (page 89)
Prerequisites
The Storage Administrator (Provisioning) role is required to perform this task.
Procedure
1. Use one of these methods to select Tier Relocation Log Export.
Select Pool in the Storage Systems tree. In the Pool tab, click More Actions and select Tier
Relocation Log Export.
From the Actions menu, select Pool management > Tier Relocation Log Export.
2. In the dialog box, specify a folder for the log file you download and click Save.
If you change the file name from the default, make sure the file name is appended with the
.tsv extension before saving the file.

Tier relocation log file contents

In every cycle in which tier relocation is performed, information about each pool and V-VOL is
exported to the tier relocation log. The time required to incorporate the latest tier relocation results
may be approximately 30 minutes. The tier relocation log file is tab-delimited and contains the
following information.
Item Does each pool output
the log information?
Cycle ID Yes
Log Format Version Yes
DKC Serial Yes
Number
Log Type Yes
LDEV ID No
Pool ID Yes
Num of V-VOLs Yes
Tiering Policy No
Tier1 Total Yes
Tier2 Total Yes
Tier3 Total Yes
for information about the contents of the log.
Does each V-VOL Type of information
output the log
information?
Yes Common
Yes Common
Yes Common
Yes Common
Yes Common
Yes Common
No Common
Yes Tier relocation result
No Capacity
information
No Capacity
information
No Capacity
information
"Tier relocation
Description
ID of each cycle of a tier relocation.
A common ID is allocated to pool logs
and V-VOL logs that are collected in one
cycle.
Version number of the tier relocation log
format.
Serial number of the storage system.
Following log types are displayed.
POOL: Log information of each pool.
V-VOL: Log information of each V-VOL.
LDEV ID of a V-VOL exported to a log.
Pool ID of a pool exported to a log.
The number of V-VOLs to be processed
when tier relocation is performed.
Value of the tiering policy. Values from
All(0) to Level31(31) can be displayed.
Total pages of tier 1.
Total pages of tier 2.
Total pages of tier 3.
Smart Tiers Z 89