How to set an attached USB drive to automatic sleep using Airdisk?

Greetings all!
I am looking for a way to set my two USB drives to sleep when they are not being used. I only use them a few minutes a day, and don't want to run them down or use the electricity to keep them spinning.
It seems there has been some discussion about this but I haven't been able parse all the conversations. Some people seem to have gotten it to work, while others are relying on a drives "internal" mechanisms. It would be great if someone (perhaps at Apple?) could chime in with an overview of the problem.
Perhaps it is linked to the method of authentication - ie., (using Airport Utility 5.1), whether the Disks > File Sharing > "Secure Shared Disks" > is with "disk password" or another method?
Some have suggested a radio button for a future firmware/other update such as:
"Set drives to sleep when not in use" (Let's hope for this!), but I am hoping for a simple solution in the near future.
Any thoughts out there?
best to all.
*NB: I first posted this on Posted: Apr 4, 2007 12:23 AM and got NO response at all - hopefully I'll have more luck this time !

Hello Andy,
Thanks for your reply.
1. For using Microsoft Outlook rules, we need to keep the computer on, even after work or the colleague is on leave. That is not allowed in my company.
2. For sending an auto-reply email based on subject, that is impossible because the emails from customers are different and we don't have a basic standard.
3. Could you please elaborate how to set a transport rule in Exchange server to achieve the goal?
Thanks a lot in advance.
Steven
1. Only client rules require that the Outlook client remain open. An auto-reply rule should be server-side, so no need to leave Outlook open.
2. Yep!
3. Walk through the hub transport rules and you see one that replies with a rejection code. Thats the best you can get with a hub transport rule and not something I would recommend in your scenario. You could also search around for 3rd party solutions.
Twitter!:

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    ----- Original Message -----
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    db file sequential read     27,531     50     2     2.45     User I/O
    db file scattered read     26,322     30     1     1.47     User I/O
    row cache lock     1,798     20     11     0.96     Concurrency
    OJVM: Generic     36     15     421     0.74     Other
    Host CPU (CPUs: 24 Cores: 12 Sockets: )
    Load Average Begin     Load Average End     %User     %System     %WIO     %Idle
    0.58     1.50     2.8     0.7     0.1     96.6
    Instance CPU
    %Total CPU     %Busy CPU     %DB time waiting for CPU (Resource Manager)
    2.2     63.6     0.0
    Memory Statistics
         Begin     End
    Host Mem (MB):     131,072.0     131,072.0
    SGA use (MB):     50,971.4     50,971.4
    PGA use (MB):     545.5     1,066.3
    % Host Mem used for SGA+PGA:     39.30     39.70
    RAC Statistics
         Begin     End
    Number of Instances:     2     2
    Global Cache Load Profile
         Per Second     Per Transaction
    Global Cache blocks received:     3.09     7.68
    Global Cache blocks served:     1.86     4.62
    GCS/GES messages received:     78.64     195.27
    GCS/GES messages sent:     53.82     133.65
    DBWR Fusion writes:     0.52     1.30
    Estd Interconnect traffic (KB)     65.50     
    Global Cache Efficiency Percentages (Target local+remote 100%)
    Buffer access - local cache %:     99.65
    Buffer access - remote cache %:     0.02
    Buffer access - disk %:     0.34
    Global Cache and Enqueue Services - Workload Characteristics
    Avg global enqueue get time (ms):     0.0
    Avg global cache cr block receive time (ms):     1.7
    Avg global cache current block receive time (ms):     1.0
    Avg global cache cr block build time (ms):     0.0
    Avg global cache cr block send time (ms):     0.0
    Global cache log flushes for cr blocks served %:     1.4
    Avg global cache cr block flush time (ms):     0.9
    Avg global cache current block pin time (ms):     0.0
    Avg global cache current block send time (ms):     0.0
    Global cache log flushes for current blocks served %:     0.1
    Avg global cache current block flush time (ms):     0.0
    Global Cache and Enqueue Services - Messaging Statistics
    Avg message sent queue time (ms):     0.0
    Avg message sent queue time on ksxp (ms):     0.4
    Avg message received queue time (ms):     0.5
    Avg GCS message process time (ms):     0.0
    Avg GES message process time (ms):     0.0
    % of direct sent messages:     79.13
    % of indirect sent messages:     17.10
    % of flow controlled messages:     3.77
    Cluster Interconnect
         Begin      End
    Interface     IP Address     Pub     Source     IP     Pub     Src
    en9     10.51.10.61     N     Oracle Cluster Repository               
    Main Report
    * Report Summary
    * Wait Events Statistics
    * SQL Statistics
    * Instance Activity Statistics
    * IO Stats
    * Buffer Pool Statistics
    * Advisory Statistics
    * Wait Statistics
    * Undo Statistics
    * Latch Statistics
    * Segment Statistics
    * Dictionary Cache Statistics
    * Library Cache Statistics
    * Memory Statistics
    * Streams Statistics
    * Resource Limit Statistics
    * Shared Server Statistics
    * init.ora Parameters
    More RAC Statistics
    * RAC Report Summary
    * Global Messaging Statistics
    * Global CR Served Stats
    * Global CURRENT Served Stats
    * Global Cache Transfer Stats
    * Interconnect Stats
    * Dynamic Remastering Statistics
    Back to Top
    Statistic Name     Time (s)     % of DB Time
    sql execute elapsed time     1,925.20     94.38
    DB CPU     1,789.38     87.72
    connection management call elapsed time     99.65     4.89
    PL/SQL execution elapsed time     89.81     4.40
    parse time elapsed     46.32     2.27
    hard parse elapsed time     25.01     1.23
    Java execution elapsed time     21.24     1.04
    PL/SQL compilation elapsed time     11.92     0.58
    failed parse elapsed time     9.37     0.46
    hard parse (sharing criteria) elapsed time     8.71     0.43
    sequence load elapsed time     0.06     0.00
    repeated bind elapsed time     0.02     0.00
    hard parse (bind mismatch) elapsed time     0.01     0.00
    DB time     2,039.77     
    background elapsed time     122.00     
    background cpu time     113.42     
    Statistic     Value     End Value
    NUM_LCPUS     0     
    NUM_VCPUS     0     
    AVG_BUSY_TIME     12,339     
    AVG_IDLE_TIME     348,838     
    AVG_IOWAIT_TIME     221     
    AVG_SYS_TIME     2,274     
    AVG_USER_TIME     9,944     
    BUSY_TIME     299,090     
    IDLE_TIME     8,375,051     
    IOWAIT_TIME     6,820     
    SYS_TIME     57,512     
    USER_TIME     241,578     
    LOAD     1     2
    OS_CPU_WAIT_TIME     312,200     
    PHYSICAL_MEMORY_BYTES     137,438,953,472     
    NUM_CPUS     24     
    NUM_CPU_CORES     12     
    GLOBAL_RECEIVE_SIZE_MAX     1,310,720     
    GLOBAL_SEND_SIZE_MAX     1,310,720     
    TCP_RECEIVE_SIZE_DEFAULT     16,384     
    TCP_RECEIVE_SIZE_MAX     9,223,372,036,854,775,807     
    TCP_RECEIVE_SIZE_MIN     4,096     
    TCP_SEND_SIZE_DEFAULT     16,384     
    TCP_SEND_SIZE_MAX     9,223,372,036,854,775,807     
    TCP_SEND_SIZE_MIN     4,096     
    Back to Wait Events Statistics
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    Operating System Statistics - Detail
    Snap Time     Load     %busy     %user     %sys     %idle     %iowait
    27-Nov 16:00:06     0.58                         
    27-Nov 17:00:17     1.50     3.45     2.79     0.66     96.55     0.08
    Back to Wait Events Statistics
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    Foreground Wait Class
    * s - second, ms - millisecond - 1000th of a second
    * ordered by wait time desc, waits desc
    * %Timeouts: value of 0 indicates value was < .5%. Value of null is truly 0
    * Captured Time accounts for 95.7% of Total DB time 2,039.77 (s)
    * Total FG Wait Time: 163.14 (s) DB CPU time: 1,789.38 (s)
    Wait Class     Waits     %Time -outs     Total Wait Time (s)     Avg wait (ms)     %DB time
    DB CPU               1,789          87.72
    User I/O     61,229     0     92     1     4.49
    Other     102,743     40     31     0     1.50
    Concurrency     3,169     10     24     7     1.16
    Cluster     58,920     0     11     0     0.52
    System I/O     45,407     0     6     0     0.29
    Configuration     107     7     1     5     0.03
    Commit     383     0     0     1     0.01
    Network     15,275     0     0     0     0.00
    Application     52     8     0     0     0.00
    Back to Wait Events Statistics
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    Foreground Wait Events
    * s - second, ms - millisecond - 1000th of a second
    * Only events with Total Wait Time (s) >= .001 are shown
    * ordered by wait time desc, waits desc (idle events last)
    * %Timeouts: value of 0 indicates value was < .5%. Value of null is truly 0
    Event     Waits     %Time -outs     Total Wait Time (s)     Avg wait (ms)     Waits /txn     % DB time
    db file sequential read     27,531     0     50     2     18.93     2.45
    db file scattered read     26,322     0     30     1     18.10     1.47
    row cache lock     1,798     0     20     11     1.24     0.96
    OJVM: Generic     36     42     15     421     0.02     0.74
    db file parallel read     394     0     7     19     0.27     0.36
    control file sequential read     22,248     0     6     0     15.30     0.28
    reliable message     4,439     0     4     1     3.05     0.18
    gc current grant busy     7,597     0     3     0     5.22     0.16
    PX Deq: Slave Session Stats     2,661     0     3     1     1.83     0.16
    DFS lock handle     3,208     0     3     1     2.21     0.16
    direct path write temp     4,842     0     3     1     3.33     0.15
    library cache load lock     39     0     3     72     0.03     0.14
    gc cr multi block request     37,008     0     3     0     25.45     0.14
    IPC send completion sync     5,451     0     2     0     3.75     0.10
    gc cr block 2-way     4,669     0     2     0     3.21     0.09
    enq: PS - contention     3,183     33     1     0     2.19     0.06
    gc cr grant 2-way     5,151     0     1     0     3.54     0.06
    direct path read temp     1,722     0     1     1     1.18     0.05
    gc current block 2-way     1,807     0     1     0     1.24     0.03
    os thread startup     6     0     1     108     0.00     0.03
    name-service call wait     12     0     1     47     0.01     0.03
    PX Deq: Signal ACK RSG     2,046     50     0     0     1.41     0.02
    log file switch completion     3     0     0     149     0.00     0.02
    rdbms ipc reply     3,610     0     0     0     2.48     0.02
    gc current grant 2-way     1,432     0     0     0     0.98     0.02
    library cache pin     903     32     0     0     0.62     0.02
    PX Deq: reap credit     35,815     100     0     0     24.63     0.01
    log file sync     383     0     0     1     0.26     0.01
    Disk file operations I/O     405     0     0     0     0.28     0.01
    library cache lock     418     3     0     0     0.29     0.01
    kfk: async disk IO     23,159     0     0     0     15.93     0.01
    gc current block busy     4     0     0     35     0.00     0.01
    gc current multi block request     1,206     0     0     0     0.83     0.01
    ges message buffer allocation     38,526     0     0     0     26.50     0.00
    enq: FB - contention     131     0     0     0     0.09     0.00
    undo segment extension     8     100     0     6     0.01     0.00
    CSS initialization     8     0     0     6     0.01     0.00
    SQL*Net message to client     14,600     0     0     0     10.04     0.00
    enq: HW - contention     96     0     0     0     0.07     0.00
    CSS operation: action     8     0     0     4     0.01     0.00
    gc cr block busy     33     0     0     1     0.02     0.00
    latch free     30     0     0     1     0.02     0.00
    enq: TM - contention     49     6     0     0     0.03     0.00
    enq: JQ - contention     19     100     0     1     0.01     0.00
    SQL*Net more data to client     666     0     0     0     0.46     0.00
    asynch descriptor resize     3,179     100     0     0     2.19     0.00
    latch: shared pool     3     0     0     3     0.00     0.00
    CSS operation: query     24     0     0     0     0.02     0.00
    PX Deq: Signal ACK EXT     72     0     0     0     0.05     0.00
    KJC: Wait for msg sends to complete     269     0     0     0     0.19     0.00
    latch: object queue header operation     4     0     0     1     0.00     0.00
    gc cr block congested     5     0     0     0     0.00     0.00
    utl_file I/O     11     0     0     0     0.01     0.00
    enq: TO - contention     3     33     0     0     0.00     0.00
    SQL*Net message from client     14,600     0     219,478     15033     10.04     
    jobq slave wait     7,726     100     3,856     499     5.31     
    PX Deq: Execution Msg     10,556     19     50     5     7.26     
    PX Deq: Execute Reply     2,946     31     27     9     2.03     
    PX Deq: Parse Reply     3,157     35     3     1     2.17     
    PX Deq: Join ACK     2,976     28     2     1     2.05     
    PX Deq Credit: send blkd     7     14     0     4     0.00     
    Back to Wait Events Statistics
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    Background Wait Events
    * ordered by wait time desc, waits desc (idle events last)
    * Only events with Total Wait Time (s) >= .001 are shown
    * %Timeouts: value of 0 indicates value was < .5%. Value of null is truly 0
    Event     Waits     %Time -outs     Total Wait Time (s)     Avg wait (ms)     Waits /txn     % bg time
    os thread startup     140     0     13     90     0.10     10.35
    db file parallel write     8,233     0     6     1     5.66     5.08
    log file parallel write     3,906     0     6     1     2.69     4.62
    log file sequential read     350     0     5     16     0.24     4.49
    control file sequential read     13,737     0     5     0     9.45     3.72
    DFS lock handle     2,990     27     2     1     2.06     1.43
    db file sequential read     921     0     2     2     0.63     1.39
    SQL*Net break/reset to client     18     0     1     81     0.01     1.19
    control file parallel write     2,455     0     1     1     1.69     1.12
    ges lms sync during dynamic remastering and reconfig     24     100     1     50     0.02     0.98
    library cache load lock     35     0     1     24     0.02     0.68
    ASM file metadata operation     3,483     0     1     0     2.40     0.65
    enq: CO - master slave det     1,203     100     1     0     0.83     0.46
    kjbdrmcvtq lmon drm quiesce: ping completion     9     0     1     62     0.01     0.46
    enq: WF - contention     11     0     0     35     0.01     0.31
    CGS wait for IPC msg     32,702     100     0     0     22.49     0.19
    gc object scan     28,788     100     0     0     19.80     0.15
    row cache lock     535     0     0     0     0.37     0.14
    library cache pin     370     55     0     0     0.25     0.12
    ksxr poll remote instances     19,119     100     0     0     13.15     0.11
    name-service call wait     6     0     0     19     0.00     0.10
    gc current block 2-way     304     0     0     0     0.21     0.09
    gc cr block 2-way     267     0     0     0     0.18     0.08
    gc cr grant 2-way     355     0     0     0     0.24     0.08
    ges LMON to get to FTDONE     3     100     0     24     0.00     0.06
    enq: CF - contention     145     76     0     0     0.10     0.05
    PX Deq: reap credit     8,842     100     0     0     6.08     0.05
    reliable message     126     0     0     0     0.09     0.05
    db file scattered read     19     0     0     3     0.01     0.05
    library cache lock     162     1     0     0     0.11     0.04
    latch: shared pool     2     0     0     27     0.00     0.04
    Disk file operations I/O     504     0     0     0     0.35     0.04
    gc current grant busy     148     0     0     0     0.10     0.04
    gcs log flush sync     84     0     0     1     0.06     0.04
    ges message buffer allocation     24,934     0     0     0     17.15     0.02
    enq: CR - block range reuse ckpt     83     0     0     0     0.06     0.02
    latch free     22     0     0     1     0.02     0.02
    CSS operation: action     13     0     0     2     0.01     0.02
    CSS initialization     4     0     0     6     0.00     0.02
    direct path read     1     0     0     21     0.00     0.02
    rdbms ipc reply     153     0     0     0     0.11     0.01
    db file parallel read     2     0     0     8     0.00     0.01
    direct path write     5     0     0     3     0.00     0.01
    gc current multi block request     49     0     0     0     0.03     0.01
    gc current block busy     5     0     0     2     0.00     0.01
    enq: PS - contention     24     50     0     0     0.02     0.01
    gc cr multi block request     54     0     0     0     0.04     0.01
    ges generic event     1     100     0     10     0.00     0.01
    gc current grant 2-way     35     0     0     0     0.02     0.01
    kfk: async disk IO     183     0     0     0     0.13     0.01
    Log archive I/O     3     0     0     2     0.00     0.01
    gc buffer busy acquire     2     0     0     3     0.00     0.00
    LGWR wait for redo copy     123     0     0     0     0.08     0.00
    IPC send completion sync     18     0     0     0     0.01     0.00
    enq: TA - contention     11     0     0     0     0.01     0.00
    read by other session     2     0     0     2     0.00     0.00
    enq: TM - contention     9     89     0     0     0.01     0.00
    latch: ges resource hash list     135     0     0     0     0.09     0.00
    PX Deq: Slave Session Stats     12     0     0     0     0.01     0.00
    KJC: Wait for msg sends to complete     89     0     0     0     0.06     0.00
    enq: TD - KTF dump entries     8     0     0     0     0.01     0.00
    enq: US - contention     7     0     0     0     0.00     0.00
    CSS operation: query     12     0     0     0     0.01     0.00
    enq: TK - Auto Task Serialization     6     100     0     0     0.00     0.00
    PX Deq: Signal ACK RSG     24     50     0     0     0.02     0.00
    log file single write     6     0     0     0     0.00     0.00
    enq: WL - contention     2     100     0     1     0.00     0.00
    ADR block file read     13     0     0     0     0.01     0.00
    ADR block file write     5     0     0     0     0.00     0.00
    latch: object queue header operation     1     0     0     1     0.00     0.00
    gc cr block busy     1     0     0     1     0.00     0.00
    rdbms ipc message     103,276     67     126,259     1223     71.03     
    PX Idle Wait     6,467     67     12,719     1967     4.45     
    wait for unread message on broadcast channel     7,240     100     7,221     997     4.98     
    gcs remote message     218,809     84     7,213     33     150.49     
    DIAG idle wait     203,228     95     7,185     35     139.77     
    shared server idle wait     121     100     3,630     30000     0.08     
    ASM background timer     3,343     0     3,611     1080     2.30     
    Space Manager: slave idle wait     723     100     3,610     4993     0.50     
    heartbeat monitor sleep     722     100     3,610     5000     0.50     
    ges remote message     73,089     52     3,609     49     50.27     
    dispatcher timer     66     88     3,608     54660     0.05     
    pmon timer     1,474     82     3,607     2447     1.01     
    PING     1,487     19     3,607     2426     1.02     
    Streams AQ: qmn slave idle wait     125     0     3,594     28754     0.09     
    Streams AQ: qmn coordinator idle wait     250     50     3,594     14377     0.17     
    smon timer     18     50     3,505     194740     0.01     
    JOX Jit Process Sleep     73     100     976     13370     0.05     
    class slave wait     56     0     605     10806     0.04     
    KSV master wait     2,215     98     1     0     1.52     
    SQL*Net message from client     109     0     0     2     0.07     
    PX Deq: Parse Reply     27     44     0     1     0.02     
    PX Deq: Join ACK     30     40     0     1     0.02     
    PX Deq: Execute Reply     20     30     0     0     0.01     
    Streams AQ: RAC qmn coordinator idle wait     259     100     0     0     0.18     
    Back to Wait Events Statistics
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    Wait Event Histogram
    * Units for Total Waits column: K is 1000, M is 1000000, G is 1000000000
    * % of Waits: value of .0 indicates value was <.05%; value of null is truly 0
    * % of Waits: column heading of <=1s is truly <1024ms, >1s is truly >=1024ms
    * Ordered by Event (idle events last)
              % of Waits
    Event     Total Waits     <1ms     <2ms     <4ms     <8ms     <16ms     <32ms     <=1s     >1s
    ADR block file read     13     100.0                                   
    ADR block file write     5     100.0                                   
    ADR file lock     6     100.0                                   
    ARCH wait for archivelog lock     3     100.0                                   
    ASM file metadata operation     3483     99.6     .1     .1                    .2     
    CGS wait for IPC msg     32.7K     100.0                                   
    CSS initialization     12     50.0                    50.0               
    CSS operation: action     21     28.6     9.5          61.9                    
    CSS operation: query     36     86.1     5.6     8.3                         
    DFS lock handle     6198     98.6     1.2     .1                    .1     
    Disk file operations I/O     909     95.7     3.6     .7                         
    IPC send completion sync     5469     99.9     .1     .0     .0                    
    KJC: Wait for msg sends to complete     313     100.0                                   
    LGWR wait for redo copy     122     100.0                                   
    Log archive I/O     3     66.7               33.3                    
    OJVM: Generic     36     55.6                              44.4     
    PX Deq: Signal ACK EXT     72     98.6     1.4                              
    PX Deq: Signal ACK RSG     2070     99.7               .0     .1     .0     .1     
    PX Deq: Slave Session Stats     2673     99.7     .2                         .1     .0
    PX Deq: reap credit     44.7K     100.0                                   
    SQL*Net break/reset to client     20     95.0                                   5.0
    SQL*Net message to client     14.7K     100.0                                   
    SQL*Net more data from client     32     100.0                                   
    SQL*Net more data to client     689     100.0                                   
    asynch descriptor resize     3387     100.0                                   
    buffer busy waits     2     100.0                                   
    control file parallel write     2455     96.6     2.2     .6     .6          .1          
    control file sequential read     36K     99.4     .3     .1     .1     .1     .1     .0     
    db file parallel read     397     8.8     .8     5.5     12.6     17.4     46.3     8.6     
    db file parallel write     8233     85.4     10.3     2.3     1.4     .4     .1          
    db file scattered read     26.3K     79.2     1.5     8.2     10.5     .6     .1     .0     
    db file sequential read     28.4K     60.2     3.3     18.0     18.1     .3     .1     .0     
    db file single write     2     100.0                                   
    direct path read     2     50.0                         50.0          
    direct path read temp     1722     95.8     2.8     .1     .5     .8     .1          
    direct path write     6     83.3                    16.7               
    direct path write temp     4842     96.3     2.7     .5     .2     .0     .0     .2     
    enq: AF - task serialization     1     100.0                                   
    enq: CF - contention     145     99.3     .7                              
    enq: CO - master slave det     1203     98.9     .8     .2                         
    enq: CR - block range reuse ckpt     83     100.0                                   
    enq: DR - contention     2     100.0                                   
    enq: FB - contention     131     100.0                                   
    enq: HW - contention     97     100.0                                   
    enq: JQ - contention     19     89.5     10.5                              
    enq: JS - job run lock - synchronize     3     100.0                                   
    enq: MD - contention     1     100.0                                   
    enq: MW - contention     2     100.0                                   
    enq: PS - contention     3207     99.5     .4     .1                         
    enq: TA - contention     11     100.0                                   
    enq: TD - KTF dump entries     8     100.0                                   
    enq: TK - Auto Task Serialization     6     100.0                                   
    enq: TM - contention     58     100.0                                   
    enq: TO - contention     3     100.0                                   
    enq: TQ - DDL contention     1     100.0                                   
    enq: TS - contention     1     100.0                                   
    enq: UL - contention     1     100.0                                   
    enq: US - contention     7     100.0                                   
    enq: WF - contention     11     81.8                              18.2     
    enq: WL - contention     2     50.0     50.0                              
    gc buffer busy acquire     2     50.0               50.0                    
    gc cr block 2-way     4934     99.9     .1                    .0     .0     
    gc cr block busy     35     68.6     31.4                              
    gc cr block congested     6     100.0                                   
    gc cr disk read     2     100.0                                   
    gc cr grant 2-way     4824     100.0     .0                              
    gc cr grant congested     2     100.0                                   
    gc cr multi block request     37.1K     99.8     .2     .0     .0     .0     .0     .0     
    gc current block 2-way     2134     99.9     .0                         .0     
    gc current block busy     7     14.3     14.3          14.3          28.6     28.6     
    gc current block congested     2     100.0                                   
    gc current grant 2-way     1337     99.9     .1                              
    gc current grant busy     7123     99.2     .2     .2     .0     .0     .3     .1     
    gc current grant congested     2     100.0                                   
    gc current multi block request     1260     99.8     .2                              
    gc object scan     28.8K     100.0                                   
    gcs log flush sync     65     95.4          3.1     1.5                    
    ges LMON to get to FTDONE     3                              100.0          
    ges generic event     1                         100.0               
    ges inquiry response     2     100.0                                   
    ges lms sync during dynamic remastering and reconfig     24                         16.7     29.2     54.2     
    ges message buffer allocation     63.1K     100.0                                   
    kfk: async disk IO     23.3K     100.0     .0     .0                         
    kjbdrmcvtq lmon drm quiesce: ping completion     9     11.1                              88.9     
    ksxr poll remote instances     19.1K     100.0                                   
    latch free     52     59.6     40.4                              
    latch: call allocation     2     100.0                                   
    latch: gc element     1     100.0                                   
    latch: gcs resource hash     1     100.0                                   
    latch: ges resource hash list     135     100.0                                   
    latch: object queue header operation     5     40.0     40.0     20.0                         
    latch: shared pool     5     40.0                    20.0     20.0     20.0     
    library cache load lock     74     9.5     5.4     8.1     17.6     10.8     13.5     35.1     
    library cache lock     493     99.2     .4     .4                         
    library cache pin     1186     98.4     .3     1.2     .1                    
    library cache: mutex X     6     100.0                                   
    log file parallel write     3897     72.9     1.5     17.1     7.5     .6     .3     .1     
    log file sequential read     350     4.6               3.1     59.4     30.0     2.9     
    log file single write     6     100.0                                   
    log file switch completion     3                         33.3          66.7     
    log file sync     385     90.4     3.6     4.7     .8     .5               
    name-service call wait     18          5.6     5.6     5.6     16.7     44.4     22.2     
    os thread startup     146                                   100.0     
    rdbms ipc reply     3763     99.7     .3                              
    read by other session     2     50.0          50.0                         
    reliable message     4565     99.7     .2     .0               .0     .1     
    row cache lock     2334     99.3     .2     .1                    .1     .3
    undo segment extension     8     50.0                    37.5     12.5          
    utl_file I/O     11     100.0                                   
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    PING     1487     81.0                                   19.0
    PX Deq Credit: send blkd     7     57.1          14.3     14.3          14.3          
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    PX Deq: Execution Msg     10.6K     72.4     12.1     2.6     2.5     .1     5.6     4.6     .0
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    PX Deq: Parse Reply     3184     67.1     31.1     1.6     .2                    
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    Streams AQ: qmn coordinator idle wait     250     50.0                                   50.0
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    ges remote message     72.9K     29.7     5.1     2.7     2.2     1.5     4.0     54.7     
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    pmon timer     1474     18.4                                   81.6
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    smon timer     18                                        100.0
    wait for unread message on broadcast channel     7238                         .3          99.7     
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    Back to Top
    Wait Event Histogram Detail (64 msec to 2 sec)
    * Units for Total Waits column: K is 1000, M is 1000000, G is 1000000000
    * Units for % of Total Waits: ms is milliseconds s is 1024 milliseconds (approximately 1 second)
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    gc cr multi block request     1     100.0          .0                         
    gc current block 2-way     1     100.0     .0                              
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    log file parallel write     2     99.9     .0               .0               
    log file sequential read     10     97.1     2.0     .6     .3                    
    log file switch completion     2     33.3               66.7                    
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    reliable message     4     99.9          .0               .1          
    row cache lock     2     99.7                    .0     .0          .3
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    Back to Top
    Wait Event Histogram Detail (4 sec to 2 min)
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    Back to Top
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    Back to Top
    Service Wait Class Stats
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