Snapshot - Event ID 19542

Event ID 19542
Cannot take snapshot for 'xxxxxxxxxxxx' because one or more synthetic fibre channel controllers are attached. (Virtual machine ID xxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxx)
I get this error when trying to take a snapshot of a VM that does have a Virtual Fiber Connection to an HP SAN. The two VM's I am trying to snapshot are a SQL Cluster and I have using the virtual
Fiber connection to present the cluster drives. Is there something special I have to do in Hyper-V 3.0 to get it to take a snapshot of virtual machines with Virtual Fiber Connections? I cannot find any details on this.
Thanks,
John

Hi,
> The two VM's I am trying to snapshot are a SQL Cluster and I have using the virtual Fiber
> connection to present the cluster drives.
Do you mean guest clustering? These two virtual machine are cluster node server with shared storage, the storage was connect with virtual fiber channel.
When use virtual fiber channel, you can connect to Fibre Channel storage from within a virtual machine. This is a kind of pass-through disk, Pass-through disks do not support the snapshot feature.
For more information please refer to following MS articles:
Configuring Pass-through Disks in Hyper-V
http://blogs.technet.com/b/askcore/archive/2008/10/24/configuring-pass-through-disks-in-hyper-v.aspx
Hyper-V Virtual Fibre Channel Overview
http://technet.microsoft.com/en-us/library/hh831413.aspx
Lawrence
TechNet Community Support

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    array connected to my server using fiber connections then I don't think that this is hardware issue (especially when other two drives are located on the same LUN on disk array).
    Any suggestions?
    Regards

    Hi,
    Do you create VMs on Hyper-V or VMWare? Based on research, possible causes could be:
    1. Files changes in the volume is very huge. So the shadow size may be big and the current shadow storage my not able to hold it. And that’s cause the shadow copy creation failure. 
    2. The I/O in D drive is heavy and make the shadow copy I/O failed. 
    3. Server is too busy to handle the request.
    4. The disk is heavily defragment.
    Please refer to the articles to troubleshoot the issue:
    Time-out errors occur in Volume Shadow Copy service writers, and shadow copies are lost during backup and during times when there are high levels of input/output
    http://support.microsoft.com/kb/826936/en-us
    VSS timeouts during backup? What could contribute to that?
    https://blogs.technet.com/b/askpfeplat/archive/2012/09/12/vss-timeouts-during-backup-check-fragmentation.aspx
    Regards,
    Mandy
    We
    are trying to better understand customer views on social support experience, so your participation in this
    interview project would be greatly appreciated if you have time.
    Thanks for helping make community forums a great place.

  • Webcam SnapShot button click event

    Hello,
    I want to know if there is an ActionEvent or EventListener or something
    like that for the snapshot button on a webcam, such that when I press the
    button on the webcam, JMF executes a chunk of code, just like it would if I
    had pressed a mouse button, or a key on the keyboard.
    I am currently using creative webcam nx ultra...
    Appreciate the help,

    Hi there,
    I have the exact same problem. I am pretty sure Java will not provide such event support, unless digging the jUSB/JSR-80 stuff. I actually had a quick look at that and I am not even sure what to expect from it.
    In any case, if you found any way to receive the snpashot button events (or any workaround), I'd be happy to hear from it!
    Cheers.
    goz

  • Ntfs Event 153 causing an external drive to be dismounted on WIndows 8 system?

    I am running Carbonite's Mirror Image on my Windows 8 system, using an external USB-connected hard drive as the target disk.  Carbonite formats the target drive before using it for mirror images.  The snapshot process works fine, but it appears
    that after the snapshot is complete, Windows is doing something that causes the system to dismount the drive.  I assume it is the new automatic disk maintenance service that comes with Windows 8.  The Carbonite function was fine under Windows 7,
    but when I upgraded to Windows 8 this problem began.
    The System log details a series of events whereby a first check of Drive O/Disk 1 (the mirror image drive) is declared healthy: Event 98 ("Volume O: (\Device\HarddiskVolume16) is healthy.  No action is needed.").  But
    then a series of Event 153 Warnings show up ("The IO operation at logical block address 1887dd98 [and others] for Disk 1 was retried."), followed by an Event 140 ("The system failed to flush
    data to the transaction log. Corruption may occur in VolumeId: O:, DeviceName: \Device\HarddiskVolume13.(A device which does not exist was specified.)")
    Oddly, this sequence repeats, including the Event 98 that Drive O is healthy!
    Externally, the drive is definitely dismounted from the system as reported by the Carbonite InfoCenter.  Once I unplug the USB cable and then reconnect it, the mirror image resumes.
    Is there any way to exclude a drive from the Ntfs maintenance?  (I've already excluded it from the disk optimization process.)
    Additional info:  I am running System Mechanic and I have been told that SM can mess up VSS performance in other apps and that even when SM is uninstalled, the problems remain until/unless the OS is refreshed/reinstalled.  Any truth to this?

    Hi,
    This forum is dedicated to System Center Data Protection manager.  Moving this to the Windows file system forum.
    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
    This posting is provided "AS IS" with no warranties, and confers no rights.

  • How to Properly Protect a Virtualized Exchange Server - Log File Discontinuity When Performing Child Partition Snapshot

    I'm having problems backing up a Hyper-V virtualized Exchange 2007 server with DPM 2012. The guest has one VHD for the OS, and two pass-through volumes, one for logs and one for the databases. I have three protection groups:
    System State - protects only the system state of the mail server, runs at 4AM every morning
    Exchange Databases - protects the Exchange stores, 15 minute syncs with an express full at 6:30PM every day
    VM - Protecting the server hosting the Exchange VM. Does an child partition snapshot backup of the Exchange server guest with an express full at 9:30PM every day
    The problem I'm experiencing is that every time the VM express full completes I start receiving errors on the Exchange Database synchronizations stating that a log file discontinuity was detected. I did some poking around in the logs on the Exchange server
    and sure enough, it looks like the child partition snapshot backup is causing Exchange to truncate the log files even though the logs and databases are on pass-through disks and aren't covered by the child partition snapshot.
    What is the correct way to back up an entire virtualized Exchange server, system state, databases, OS drive and all?

    I just created a new protection group. I added "Backup Using Child Partition Snapshot\MailServer", short-term protection using disk, and automatically create the replica over the network immediately. This new protection group contains only the child partition
    snapshot backup. No Exchange backups of any kind.
    The replica creation begins. Soon after, the following events show up in the Application log:
    =================================
    Log Name:      Application
    Source:        MSExchangeIS
    Date:          10/23/2012 10:41:53 AM
    Event ID:      9818
    Task Category: Exchange VSS Writer
    Level:         Information
    Keywords:      Classic
    User:          N/A
    Computer:      PLYMAIL.mcquay.com
    Description:
    Exchange VSS Writer (instance 7d26282d-5dec-4a73-bf1c-f55d5c1d1ac7) has been called for "CVssIExchWriter::OnPrepareSnapshot".
    =================================
    Log Name:      Application
    Source:        ESE
    Date:          10/23/2012 10:41:53 AM
    Event ID:      2005
    Task Category: ShadowCopy
    Level:         Information
    Keywords:      Classic
    User:          N/A
    Computer:      PLYMAIL.mcquay.com
    Description:
    Information Store (3572) Shadow copy instance 2051 starting. This will be a Full shadow copy.
    =================================
    The events continue on, basically snapshotting all of Exchange. From the DPM side, the total amount of data transferred tells me that even though Exhange is trunctating its logs, nothing is actually being sent to the DPM server. So this snapshot operation
    seems to be superfluous. ~30 minutes later, when my regularly scheduled Exchange job runs, it fails because of a log file discontinuity.
    So, in this case at least, a Hyper-V snapshot backup is definitely causing Exchange to truncate the log files. What can I look at to figure out why this is happening?

  • Point in time snapshot

    Hi,
    I'm very new to Oracle and this is my first post so if I miss anything important, please excuse my ignorance...
    We have a Oracle 10g datawarehouse which contains service desk data on tickets, agent performance etc.
    I'm specifically trying to obtain a count of tickets that were in an active status and were sat with a certain group at a certain point in time.
    The table TICKETS contains the usual ticket data, ticketnumber, open date, close date etc and the refgroup field which indicates current group ownership.
    The select statement below works for all tickets currently owned by Group1 that were active (not closed) at 00:00:00 on Monday but doesn't take into account changes in group ownership so a ticket could be counted by the statement on first run but if the group changes, it will not be included.
    We have a table which records SLA events for each ticket such as (but not only) group transfers and the date each transfer took place and this table is linked from the TICKETS table via a ticket ID field in each.
    Each row in this table has a GroupName value to show the group responsible for each event, as in the below example.
    If for example the snapshot date is 13/07/09 00:00:00, is there a way to calculate from the SLA events records as below, whether Ticket1 fits this criteria?
    This is basically an expression field in Crystal Reports so I can work with either a field that returns a 1 or 0 at the ticket level and then count within the app, or a field that returns a total count of all tickets that fit this criteria.
    Thanks alot in advance.
    Andy.
    TicketNumber GroupName EventDateTime
    Ticket1 Group1 09/07/09 08:43:21
    Ticket1 Group1 09/07/09 14:28:35
    Ticket1 Group2 14/07/09 13:12:10
    SELECT
    COUNT(TICKETNUMBER)
    FROM
    "ORGANIZATION"
    INNER JOIN "TICKETS"
    ON "ORGANIZATION"."ORG_ID" = "TICKETS"."ORGANISATION_FK"
    WHERE
    "ORGANIZATION"."ORG_NAME" = 'Org1'
    AND "TICKETS"."REFGROUP" = 'Group1'
    AND
    "TICKETS"."OPEN_DATE" < LEAST(TRUNC(SYSDATE),TRUNC(SYSDATE,'IW'))
    AND "TICKETS"."CLOSE_DATE" > LEAST(TRUNC(SYSDATE),TRUNC(SYSDATE,'IW'))
    OR
    "TICKETS"."OPEN_DATE" < LEAST(TRUNC(SYSDATE),TRUNC(SYSDATE,'IW'))
    AND "TICKETS"."STATUS" <> 'Closed'
    )

    Hi,
    user11696977 wrote:
    Thanks again Frank.
    Looking at the doc you linked I think this query should do what I'm after but running it gives me an insufficient priviledges error.In case you're wondering what privileges are ineeded, under "SELECT - Prerequisites" the [SQL Language manual|http://download.oracle.com/docs/cd/B28359_01/server.111/b28286/statements_10002.htm#i2065699] says:
    "To issue an Oracle Flashback Query using the flashback_query_clause, you must have the SELECT privilege on the objects in the select list. In addition, either you must have FLASHBACK object privilege on the objects in the select list, or you must have FLASHBACK ANY TABLE system privilege."
    Will have to see how this goes if I can get priviledges assigned to the account I'm using.
    SELECT
    COUNT(TICKETNUMBER)
    FROM
    "ORGANIZATION"
    AS OF TIMESTAMP LEAST(TRUNC(SYSDATE),TRUNC(SYSDATE,'IW'))
    INNER JOIN "TICKETS"
    ON "ORGANIZATION"."ORG_ID" = "TICKETS"."ORGANISATION_FK"
    WHERE
    "ORGANIZATION"."ORG_NAME" = 'Org1'
    AND "TICKETS"."REFGROUP" = 'Group1'
    AND "TICKETS"."STATUS" <> 'Closed'
    Looks good.
    This will join the organization table as it exsited at 00:00 on Monday to the tickets table as it exists at run-time.
    TRUNC (dt, x) is never later than dt, so you can just say
    AS OF TIMESTAMP TRUNC(SYSDATE, 'IW')

  • Need help to analysis "foreground and background wait events" on statspack report for oracle database 11.2.0.4 on AIX

    Hi: I'm analyzing this STATSPACK report: it is "volume test" on our UAT server, so most input is from 'bind variables'.  Our shared pool is well utilized in oracle.  Oracle redo logs is not appropriately configured on this server, as in 'Top 5 wait events' there are 2 for redos.
    I need to know what else information can be dig-out from 'foreground wait events' & 'background wait events', and what can assist us to better understanding, in combination of 'Top 5 wait event's, that how the server/test went?  it could be overwelming No. of wait events, so appreciate any helpful diagnostic or analysis.  Database is oracle 11.2.0.4 upgraded from 11.2.0.3, on IBM AIX power system 64bit, level 6.x
    STATSPACK report for
    Database    DB Id    Instance     Inst Num  Startup Time   Release     RAC
    ~~~~~~~~ ----------- ------------ -------- --------------- ----------- ---
    700000XXX   XXX              1 22-Apr-15 12:12 11.2.0.4.0  NO
    Host Name             Platform                CPUs Cores Sockets   Memory (G)
    ~~~~ ---------------- ---------------------- ----- ----- ------- ------------
         dXXXX_XXX    AIX-Based Systems (64-     2     1       0         16.0
    Snapshot       Snap Id     Snap Time      Sessions Curs/Sess Comment
    ~~~~~~~~    ---------- ------------------ -------- --------- ------------------
    Begin Snap:       5635 22-Apr-15 13:00:02      114       4.6
      End Snap:       5636 22-Apr-15 14:00:01      128       8.8
       Elapsed:      59.98 (mins) Av Act Sess:       0.6
       DB time:      35.98 (mins)      DB CPU:      19.43 (mins)
    Cache Sizes            Begin        End
    ~~~~~~~~~~~       ---------- ----------
        Buffer Cache:     2,064M              Std Block Size:         8K
         Shared Pool:     3,072M                  Log Buffer:    13,632K
    Load Profile              Per Second    Per Transaction    Per Exec    Per Call
    ~~~~~~~~~~~~      ------------------  ----------------- ----------- -----------
          DB time(s):                0.6                0.0        0.00        0.00
           DB CPU(s):                0.3                0.0        0.00        0.00
           Redo size:          458,720.6            8,755.7
       Logical reads:           12,874.2              245.7
       Block changes:            1,356.4               25.9
      Physical reads:                6.6                0.1
    Physical writes:               61.8                1.2
          User calls:            2,033.7               38.8
              Parses:              286.5                5.5
         Hard parses:                0.5                0.0
    W/A MB processed:                1.7                0.0
              Logons:                1.2                0.0
            Executes:              801.1               15.3
           Rollbacks:                6.1                0.1
        Transactions:               52.4
    Instance Efficiency Indicators
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                Buffer Nowait %:  100.00       Redo NoWait %:  100.00
                Buffer  Hit   %:   99.98  Optimal W/A Exec %:  100.00
                Library Hit   %:   99.77        Soft Parse %:   99.82
             Execute to Parse %:   64.24         Latch Hit %:   99.98
    Parse CPU to Parse Elapsd %:   53.15     % Non-Parse CPU:   98.03
    Shared Pool Statistics        Begin   End
                 Memory Usage %:   10.50   12.79
        % SQL with executions>1:   69.98   78.37
      % Memory for SQL w/exec>1:   70.22   81.96
    Top 5 Timed Events                                                    Avg %Total
    ~~~~~~~~~~~~~~~~~~                                                   wait   Call
    Event                                            Waits    Time (s)   (ms)   Time
    CPU time                                                       847          50.2
    enq: TX - row lock contention                    4,480         434     97   25.8
    log file sync                                  284,169         185      1   11.0
    log file parallel write                        299,537         164      1    9.7
    log file sequential read                           698          16     24    1.0
    Host CPU  (CPUs: 2  Cores: 1  Sockets: 0)
    ~~~~~~~~              Load Average
                          Begin     End      User  System    Idle     WIO     WCPU
                           1.16    1.84     19.28   14.51   66.21    1.20   82.01
    Instance CPU
    ~~~~~~~~~~~~                                       % Time (seconds)
                         Host: Total time (s):                  7,193.8
                      Host: Busy CPU time (s):                  2,430.7
                       % of time Host is Busy:      33.8
                 Instance: Total CPU time (s):                  1,203.1
              % of Busy CPU used for Instance:      49.5
            Instance: Total Database time (s):                  2,426.4
      %DB time waiting for CPU (Resource Mgr):       0.0
    Memory Statistics                       Begin          End
    ~~~~~~~~~~~~~~~~~                ------------ ------------
                      Host Mem (MB):     16,384.0     16,384.0
                       SGA use (MB):      7,136.0      7,136.0
                       PGA use (MB):        282.5        361.4
        % Host Mem used for SGA+PGA:         45.3         45.8
    Foreground Wait Events  DB/Inst: XXXXXs  Snaps: 5635-5636
    -> Only events with Total Wait Time (s) >= .001 are shown
    -> ordered by Total Wait Time desc, Waits desc (idle events last)
                                                                 Avg          %Total
                                              %Tim Total Wait   wait    Waits   Call
    Event                               Waits  out   Time (s)   (ms)     /txn   Time
    enq: TX - row lock contentio        4,480    0        434     97      0.0   25.8
    log file sync                     284,167    0        185      1      1.5   11.0
    Disk file operations I/O            8,741    0          4      0      0.0     .2
    direct path write                  13,247    0          3      0      0.1     .2
    db file sequential read             6,058    0          1      0      0.0     .1
    buffer busy waits                   1,800    0          1      1      0.0     .1
    SQL*Net more data to client        29,161    0          1      0      0.2     .1
    direct path read                    7,696    0          1      0      0.0     .0
    db file scattered read                316    0          1      2      0.0     .0
    latch: shared pool                    144    0          0      2      0.0     .0
    CSS initialization                     30    0          0      3      0.0     .0
    cursor: pin S                          10    0          0      9      0.0     .0
    row cache lock                         41    0          0      2      0.0     .0
    latch: row cache objects               19    0          0      3      0.0     .0
    log file switch (private str            8    0          0      7      0.0     .0
    library cache: mutex X                 28    0          0      2      0.0     .0
    latch: cache buffers chains            54    0          0      1      0.0     .0
    latch free                            290    0          0      0      0.0     .0
    control file sequential read        1,568    0          0      0      0.0     .0
    log file switch (checkpoint             4    0          0      6      0.0     .0
    direct path sync                        8    0          0      3      0.0     .0
    latch: redo allocation                 60    0          0      0      0.0     .0
    SQL*Net break/reset to clien           34    0          0      1      0.0     .0
    latch: enqueue hash chains             45    0          0      0      0.0     .0
    latch: cache buffers lru cha            7    0          0      2      0.0     .0
    latch: session allocation               5    0          0      1      0.0     .0
    latch: object queue header o            6    0          0      1      0.0     .0
    ASM file metadata operation            30    0          0      0      0.0     .0
    latch: In memory undo latch            15    0          0      0      0.0     .0
    latch: undo global data                 8    0          0      0      0.0     .0
    SQL*Net message from client     6,362,536    0    278,225     44     33.7
    jobq slave wait                     7,270  100      3,635    500      0.0
    SQL*Net more data from clien        7,976    0         15      2      0.0
    SQL*Net message to client       6,362,544    0          8      0     33.7
    Background Wait Events  DB/Inst: XXXXXs  Snaps: 5635-5636
    -> Only events with Total Wait Time (s) >= .001 are shown
    -> ordered by Total Wait Time desc, Waits desc (idle events last)
                                                                 Avg          %Total
                                              %Tim Total Wait   wait    Waits   Call
    Event                               Waits  out   Time (s)   (ms)     /txn   Time
    log file parallel write           299,537    0        164      1      1.6    9.7
    log file sequential read              698    0         16     24      0.0    1.0
    db file parallel write              9,556    0         13      1      0.1     .8
    os thread startup                     146    0         10     70      0.0     .6
    control file parallel write         2,037    0          2      1      0.0     .1
    Log archive I/O                        35    0          1     30      0.0     .1
    LGWR wait for redo copy             2,447    0          0      0      0.0     .0
    db file async I/O submit            9,556    0          0      0      0.1     .0
    db file sequential read               145    0          0      2      0.0     .0
    Disk file operations I/O              349    0          0      0      0.0     .0
    db file scattered read                 30    0          0      4      0.0     .0
    control file sequential read        5,837    0          0      0      0.0     .0
    ADR block file read                    19    0          0      4      0.0     .0
    ADR block file write                    5    0          0     15      0.0     .0
    direct path write                      14    0          0      2      0.0     .0
    direct path read                        3    0          0      7      0.0     .0
    latch: shared pool                      3    0          0      6      0.0     .0
    log file single write                  56    0          0      0      0.0     .0
    latch: redo allocation                 53    0          0      0      0.0     .0
    latch: active service list              1    0          0      3      0.0     .0
    latch free                             11    0          0      0      0.0     .0
    rdbms ipc message                 314,523    5     57,189    182      1.7
    Space Manager: slave idle wa        4,086   88     18,996   4649      0.0
    DIAG idle wait                      7,185  100      7,186   1000      0.0
    Streams AQ: waiting for time            2   50      4,909 ######      0.0
    Streams AQ: qmn slave idle w          129    0      3,612  28002      0.0
    Streams AQ: qmn coordinator           258   50      3,612  14001      0.0
    smon timer                             43    2      3,605  83839      0.0
    pmon timer                          1,199   99      3,596   2999      0.0
    SQL*Net message from client        17,019    0         31      2      0.1
    SQL*Net message to client          12,762    0          0      0      0.1
    class slave wait                       28    0          0      0      0.0
    thank you very much!

    Hi: just know it now: it is a large amount of 'concurrent transaction' designed in this "Volume Test" - to simulate large incoming transaction volme, so I guess wait in eq:TX - row is expected.
    The fact: (1) redo logs at uat server is known to not well-tune for configurations (2) volume test slow 5%, however data amount in its test is kept the same by each time import  production data, by the team. So why it slowed 5% this year?
    The wait histogram is pasted below, any one interest to take a look?  any ideas?
    Wait Event Histogram  DB/Inst: XXXX/XXXX  Snaps: 5635-5636
    -> Total Waits - units: K is 1000, M is 1000000, G is 1000000000
    -> % of Waits - column heading: <=1s is truly <1024ms, >1s is truly >=1024ms
    -> % of Waits - value: .0 indicates value was <.05%, null is truly 0
    -> Ordered by Event (idle events last)
                               Total ----------------- % of Waits ------------------
    Event                      Waits  <1ms  <2ms  <4ms  <8ms <16ms <32ms  <=1s   >1s
    ADR block file read          19   26.3   5.3  10.5  57.9
    ADR block file write          5                     40.0        60.0
    ADR file lock                 6  100.0
    ARCH wait for archivelog l   14  100.0
    ASM file metadata operatio   30  100.0
    CSS initialization           30              100.0
    Disk file operations I/O   9090   97.2   1.4    .6    .4    .2    .1    .1
    LGWR wait for redo copy    2447   98.5    .5    .4    .2    .2    .2    .1
    Log archive I/O              35   40.0         8.6  25.7   2.9        22.9
    SQL*Net break/reset to cli   34   85.3   8.8         5.9
    SQL*Net more data to clien   29K  99.9    .0    .0    .0          .0    .0
    buffer busy waits          1800   96.8    .7    .7    .6    .3    .4    .5
    control file parallel writ 2037   90.7   5.0   2.1    .8   1.0    .3    .1
    control file sequential re 7405  100.0                      .0
    cursor: pin S                10   10.0                    90.0
    db file async I/O submit   9556   99.9    .0                .0          .0
    db file parallel read         1  100.0
    db file parallel write     9556   62.0  32.4   1.7    .8   1.5   1.3    .1
    db file scattered read      345   72.8   3.8   2.3  11.6   9.0    .6
    db file sequential read    6199   97.2    .2    .3   1.6    .7    .0    .0
    direct path read           7699   99.1    .4    .2    .1    .1    .0
    direct path sync              8   25.0  37.5  12.5  25.0
    direct path write            13K  97.8    .9    .5    .4    .3    .1    .0
    enq: TX - row lock content 4480     .4    .7   1.3   3.0   6.8  12.3  75.4    .1
    latch free                  301   98.3    .3    .7    .7
    latch: In memory undo latc   15   93.3   6.7
    latch: active service list    1              100.0
    latch: cache buffers chain   55   94.5                     3.6   1.8
    latch: cache buffers lru c    9   88.9                    11.1
    latch: call allocation        6  100.0
    latch: checkpoint queue la    3  100.0
    latch: enqueue hash chains   45   97.8                     2.2
    latch: messages               4  100.0
    latch: object queue header    7   85.7        14.3
    latch: redo allocation      113   97.3               1.8    .9
    latch: row cache objects     19   89.5                           5.3   5.3
    latch: session allocation     5   80.0              20.0
    latch: shared pool          147   90.5   1.4   2.7   1.4    .7   1.4   2.0
    latch: undo global data       8  100.0
    library cache: mutex X       28   89.3         3.6         3.6         3.6
    log file parallel write     299K  95.6   2.6   1.0    .4    .3    .2    .0
    log file sequential read    698   29.5    .1               4.6  46.8  18.9
    log file single write        56  100.0
    log file switch (checkpoin    4               25.0  50.0  25.0
    log file switch (private s    8         12.5        37.5  50.0
    log file sync               284K  93.3   3.7   1.4    .7    .5    .3    .1
    os thread startup           146                                      100.0
    row cache lock               41   85.4   9.8               2.4         2.4
    DIAG idle wait             7184                                      100.0
    SQL*Net message from clien 6379K  86.6   5.1   2.9   1.3    .7    .3   2.8    .3
    SQL*Net message to client  6375K 100.0    .0    .0    .0    .0    .0    .0
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    Event                      Waits  <1ms  <2ms  <4ms  <8ms <16ms <32ms  <=1s   >1s
    SQL*Net more data from cli 7976   99.7    .1    .1    .0                      .1
    Space Manager: slave idle  4086     .1    .2    .0    .0    .3         3.2  96.1
    Streams AQ: qmn coordinato  258   49.2                .8                    50.0
    Streams AQ: qmn slave idle  129                                            100.0
    Streams AQ: waiting for ti    2   50.0                                      50.0
    class slave wait             28   92.9   3.6   3.6
    jobq slave wait            7270     .0                               100.0
    pmon timer                 1199                                            100.0
    rdbms ipc message           314K  10.3   7.3  39.7  15.4  10.6   5.3   8.2   3.3
    smon timer                   43                                            100.0

  • [Solved Kinda] Error Message when creating a LVM Snapshot.

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    Last edited by ChojinDSL (2010-11-30 21:20:48)

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  • Windows is Scanning and repairing drive... (- Errors in Event Viewer)

    Long post, please be patient... :)
    I have a fairly new (purchased 8/2013) Lenovo ThinkPad T431s with Windows 8.1 Pro 64-bit (updated from 8.0 -> 8.1). It has a very tricky error coming basically 8 / 10 boots:
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    SFC /scannow -> no solution, error remains
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    \\?\Volume{e010cf9d-c04d-4c82-b517-3cda1b647fe7}\
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    \\?\Volume{f62db2cf-efe4-4b55-a3f7-0e7db991a984}\
    *** NO MOUNT POINTS ***
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    *** NO MOUNT POINTS ***
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    Volume - \\?\Volume{e010cf9d-c04d-4c82-b517-3cda1b647fe7} is NOT Dirty
    Volume - \\?\Volume{f62db2cf-efe4-4b55-a3f7-0e7db991a984} is Dirty
    Volume - \\?\Volume{33f0062f-0aff-4fd2-8402-1c7911d86897} is NOT Dirty
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    Partition 2 Recovery 1000 MB 129 MB
    Partition 3 System 260 MB 1129 MB
    Partition 4 Primary 146 GB 1389 MB
    Partition 5 Recovery 350 MB 147 GB
    Partition 6 Recovery 19 GB 148 GB
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    D) Windows was refreshed but...
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