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Copy path33_VLF_Count.ps1
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372 lines (293 loc) · 8.89 KB
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<#
.SYNOPSIS
Gets the numberof Virtual Log File Blocks
.DESCRIPTION
Gets the numberof Virtual Log File Blocks
.EXAMPLE
33_VLF_Count.ps1 localhost
.EXAMPLE
33_VLF_Count.ps1.ps1 server01 sa password
.Inputs
ServerName, [SQLUser], [SQLPassword]
.Outputs
HTML Files
.NOTES
.LINK
https://github.com/gwalkey
#>
[CmdletBinding()]
Param(
[string]$SQLInstance='localhost',
[string]$myuser,
[string]$mypass
)
# Load Common Modules and .NET Assemblies
try
{
Import-Module ".\SQLTranscriptase.psm1" -ErrorAction Stop
}
catch
{
Throw('SQLTranscriptase.psm1 not found')
}
LoadSQLSMO
# Init
Set-StrictMode -Version latest;
[string]$BaseFolder = (Get-Item -Path ".\" -Verbose).FullName
Write-Host -f Yellow -b Black "33 - Virtual Log File Count"
Write-Output("Server: [{0}]" -f $SQLInstance)
# Server connection check
$SQLCMD1 = "select serverproperty('productversion') as 'Version'"
try
{
if ($mypass.Length -ge 1 -and $myuser.Length -ge 1)
{
Write-Output "Testing SQL Auth"
$myver = ConnectSQLAuth -SQLInstance $SQLInstance -Database "master" -SQLExec $SQLCMD1 -User $myuser -Password $mypass -ErrorAction Stop| select -ExpandProperty Version
$serverauth="sql"
}
else
{
Write-Output "Testing Windows Auth"
$myver = ConnectWinAuth -SQLInstance $SQLInstance -Database "master" -SQLExec $SQLCMD1 -ErrorAction Stop | select -ExpandProperty Version
$serverauth = "win"
}
if($myver -ne $null)
{
Write-Output ("SQL Version: {0}" -f $myver)
}
}
catch
{
Write-Host -f red "$SQLInstance appears offline."
Set-Location $BaseFolder
exit
}
[int]$ver = GetSQLNumericalVersion $myver
# New UP SQL SMO Object
if ($serverauth -eq "win")
{
$srv = New-Object "Microsoft.SqlServer.Management.SMO.Server" $SQLInstance
}
else
{
$srv = New-Object "Microsoft.SqlServer.Management.SMO.Server" $SQLInstance
$srv.ConnectionContext.LoginSecure=$false
$srv.ConnectionContext.set_Login($myuser)
$srv.ConnectionContext.set_Password($mypass)
}
# Create output folder
$output_path = "$BaseFolder\$SQLInstance\33 - VLF Count\"
if(!(test-path -path $output_path))
{
mkdir $output_path | Out-Null
}
# GET VLF Count
$sqlCMD1 =
"
--dbcc loginfo()
--variables to hold each 'iteration'
declare @query varchar(100)
declare @dbname sysname
declare @vlfs int
--table variable used to 'loop' over databases
declare @databases table (dbname sysname)
insert into @databases
--only choose online databases
select name from sys.databases where state = 0
--table variable to hold results
declare @vlfcounts table
(dbname sysname,
vlfcount int)
--table variable to capture DBCC loginfo output
--changes in the output of DBCC loginfo from SQL2012 mean we have to determine the version
declare @MajorVersion tinyint
set @MajorVersion = LEFT(CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max)),CHARINDEX('.',CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max)))-1)
if @MajorVersion < 11 -- pre-SQL2012
begin
declare @dbccloginfo table
(
fileid tinyint,
file_size bigint,
start_offset bigint,
fseqno int,
[status] tinyint,
parity tinyint,
create_lsn numeric(25,0)
)
while exists(select top 1 dbname from @databases)
begin
set @dbname = (select top 1 dbname from @databases)
set @query = 'dbcc loginfo (' + '''' + @dbname + ''') '
insert into @dbccloginfo
exec (@query)
set @vlfs = @@rowcount
insert @vlfcounts
values(@dbname, @vlfs)
delete from @databases where dbname = @dbname
end --while
end
else
begin
declare @dbccloginfo2012 table
(
RecoveryUnitId int,
fileid tinyint,
file_size bigint,
start_offset bigint,
fseqno int,
[status] tinyint,
parity tinyint,
create_lsn numeric(25,0)
)
while exists(select top 1 dbname from @databases)
begin
set @dbname = (select top 1 dbname from @databases)
set @query = 'dbcc loginfo (' + '''' + @dbname + ''') '
insert into @dbccloginfo2012
exec (@query)
set @vlfs = @@rowcount
insert @vlfcounts
values(@dbname, @vlfs)
delete from @databases where dbname = @dbname
end --while
end
--output the full list
select dbname, vlfcount
from @vlfcounts
order by 1
"
# Run Query 1
Write-Output "Get VLF Count, Order by Database..."
if ($serverauth -eq "win")
{
$sqlresults1 = ConnectWinAuth -SQLInstance $SQLInstance -Database "master" -SQLExec $sqlCMD1
}
else
{
$sqlresults1 = ConnectSQLAuth -SQLInstance $SQLInstance -Database "master" -SQLExec $sqlCMD1 -User $myuser -Password $mypass
}
# Use HTML Fragments
$sqlCMD2 =
"
--dbcc loginfo()
--variables to hold each 'iteration'
declare @query varchar(100)
declare @dbname sysname
declare @vlfs int
--table variable used to 'loop' over databases
declare @databases table (dbname sysname)
insert into @databases
--only choose online databases
select name from sys.databases where state = 0
--table variable to hold results
declare @vlfcounts table
(dbname sysname,
vlfcount int)
--table variable to capture DBCC loginfo output
--changes in the output of DBCC loginfo from SQL2012 mean we have to determine the version
declare @MajorVersion tinyint
set @MajorVersion = LEFT(CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max)),CHARINDEX('.',CAST(SERVERPROPERTY('ProductVersion') AS nvarchar(max)))-1)
if @MajorVersion < 11 -- pre-SQL2012
begin
declare @dbccloginfo table
(
fileid tinyint,
file_size bigint,
start_offset bigint,
fseqno int,
[status] tinyint,
parity tinyint,
create_lsn numeric(25,0)
)
while exists(select top 1 dbname from @databases)
begin
set @dbname = (select top 1 dbname from @databases)
set @query = 'dbcc loginfo (' + '''' + @dbname + ''') '
insert into @dbccloginfo
exec (@query)
set @vlfs = @@rowcount
insert @vlfcounts
values(@dbname, @vlfs)
delete from @databases where dbname = @dbname
end --while
end
else
begin
declare @dbccloginfo2012 table
(
RecoveryUnitId int,
fileid tinyint,
file_size bigint,
start_offset bigint,
fseqno int,
[status] tinyint,
parity tinyint,
create_lsn numeric(25,0)
)
while exists(select top 1 dbname from @databases)
begin
set @dbname = (select top 1 dbname from @databases)
set @query = 'dbcc loginfo (' + '''' + @dbname + ''') '
insert into @dbccloginfo2012
exec (@query)
set @vlfs = @@rowcount
insert @vlfcounts
values(@dbname, @vlfs)
delete from @databases where dbname = @dbname
end --while
end
--output the full list
select dbname, vlfcount
from @vlfcounts
order by 2 desc
"
# Run Query 2
Write-Output "Get VLF Count, Order by count..."
if ($serverauth -eq "win")
{
$sqlresults2 = ConnectWinAuth -SQLInstance $SQLInstance -Database "master" -SQLExec $sqlCMD2
}
else
{
$sqlresults2 = ConnectSQLAuth -SQLInstance $SQLInstance -Database "master" -SQLExec $sqlCMD2 -User $myuser -Password $mypass
}
# Use HTML Fragments for multiple tables and inline CSS
$head = "<style type='text/css'>"
$head+="
table
{
Margin: 0px 0px 0px 4px;
Border: 1px solid rgb(190, 190, 190);
Font-Family: Tahoma;
Font-Size: 9pt;
Background-Color: rgb(252, 252, 252);
}
tr:hover td
{
Background-Color: rgb(150, 150, 220);
Color: rgb(255, 255, 255);
}
tr:nth-child(even)
{
Background-Color: rgb(242, 242, 242);
}
th
{
Text-Align: Left;
Color: rgb(150, 150, 220);
Padding: 1px 4px 1px 4px;
}
td
{
Vertical-Align: Top;
Padding: 1px 4px 1px 4px;
}
"
$head+="</style>"
$RunTime = Get-date
$myoutputfile4 = $output_path+"VLF_Count.html"
$myHtml1 = $sqlresults1 | select DBName, vlfcount| ConvertTo-Html -Fragment -as table -PreContent "<h3>VLF Count on Server $SQLINstance</h3> <h3>Name Order</h3>"
$myHtml2 = $sqlresults2 | select DBName, vlfcount| ConvertTo-Html -Fragment -as table -PreContent "<h3>Count Order</h3>"
Convertto-Html -head $head -Body "$myHtml1<br>$myHtml2" -Title "VLF Count Summary" -PostContent "<h3>Ran on : $RunTime</h3>" | Set-Content -Path $myoutputfile4
set-location $BaseFolder