Solutions
Tier relocation
operations
Status of fixed
monitoring information
used in tier relocation
Status of data
collection in progress
Monitoring
information or
execution conditions
N/A
Tier relocation of
the volume is
suspended.
Only monitoring
information on the
volume is invalid.
Volume is not
monitored.
When V-VOLs are
deleted
Collect the monitoring
information again if
necessary.
1
Suspended.
Monitoring information
collected before
suspension is valid.
Suspended.
When execution mode
is changed to
Manual
from
Auto
or vice
versa.
Collect the monitoring
information again if
necessary.
1
Tier relocation is
suspended by
powering OFF and
is resumed after
powering ON.
Monitoring information
collected during the
previous cycle is
continuously valid.
Monitoring is
suspended by
powering OFF and is
not resumed even
after powering ON.
1
When the power
switch is power ON
or OFF.
Collect the monitoring
information again if
necessary.
1
Tier relocation to
volumes is
suspended.
Monitoring information
is invalid and the
volumes need to be
monitored.
The volume is not
monitored.
2
•
When Auto LUN is
performed.
•
When Quick
Restore of Business
Copy is performed.
Collect the monitoring
information again if
necessary.
1
Tier relocation to
volumes is
suspended.
No effect on the fixed
monitoring information.
The monitoring
information collected
Monitoring
information is
continuously
collected
S-VOL of following
program products
when the initial copy
operation is
performed:
during the previous
cycle continues to be
valid.
continuously, but the
monitoring of the
volumes is reset.
3
•
Continuous Access
Synchronous
•
High Availability
•
Continuous Access
Journal
Relocate tiers again.
1
Suspended.
Fixed monitoring
information is invalid
and is discarded.
5
Continued.
•
When the number
of tiers increases
by adding
pool-VOLs.
3
•
When the
pool-VOLs of the
tiers are switched
by adding
pool-VOLs.
4
•
When tier rank of
the external LDEV
is changed.
N/A
Deleting the
pool-VOL stops the
Monitoring information
is invalid temporarily.
6
Continued.
When pool-VOLs are
deleted.
tier relocation. The
process resumes
after the pool-VOL
is deleted.
After recovering the
faulty area, relocate tiers
again.
1
Suspended.
No effect on the fixed
monitoring information.
The monitoring
information collected
Continued.
When a cache is
blocked.
during the previous
cycle continues to be
valid.
Smart Tiers
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