Battery still really bad with 3.1.2

*Why have the Battery Life issues with 3.1 still not been fixed with 3.1.2?*
It's quite simple, since upgrading from 3.0 to 3.1 on my 3GS i now get just a couple of hours of battery life with the phone sitting there on my desk idle. It's warm to the touch and is constantly sending out (or receiving) data (hold it near any unbalanced audio system to hear it chatter).
Change my Exchange Push settings to Fetch every 15 minutes and I suddenly get close to 3 days on idle including average phone call usage. No other changes required, but it's not what I signed up for....
Come on, it's a no brainer, why hasn't this been fixed?
It's been on these forums for long enough.
Martin

Greetings,
I never have had a battery issue, nor has our other iPhone - we have a 3G, mine, and a 3Gs, my wife's, and they work flawlessly in every respect. I have almost every service on and running, except for Bluetooth - I have no use for that service, but my push, fetch, go get, etc, stuff is on and working well. I sync with MobileMe, and Exchange, via, Entourage, and my MobileMe calendars address book, and I sync between the iPhone and 4 other computers, 3 Macs, and 1 Winblows at work. I have both a Mac and a Winblows PeeCee on my desk. All work in perfect harmony.
You may have a misbehaving application that's eating your battery. Calibrate your battery meter once a month, or so, so that it will read correctly. In many cases the battery is fine, but the meter gets out of calibration and when it thinks your battery is about done, it will shut it down, even though the battery has plenty of charge, however unusable.
You need to charge it up fully, and then discharge it through activity, then charge it back up, without using it, and then discharge it one more time, and then the same recharge routine.
After that you should get normal battery readings. If it doesn't you have a bad app, or a bad battery, which is extremely rare. You may need to take it to an Apple Store to get it replaced, or have a technician look at it.
Third Party Apps are the bane of most computers, smart phones, etc. Be careful what you install on your phone. Games are the worst apps and have been the major cause of smart phone issues, Apple, or otherwise.
Cheers,
M.

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Hi All,
In order to get to the size and free space info on mountpoints i used several variations on this theme:
EXEC master..xp_cmdshell 'wmic logicaldisk where (drivetype ="3" and volumename!="RECOVERY" AND volumename!="System Reserved") get deviceid,volumename /Format:csv'
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After the struggling with hello world issues that come with using Visual Studio 2013 C# for the first time, i got a cmd window working with precisely what i needed. But only to find out that .NET SQL CLR is "some what limited" in the things you can
use.
Long story short, (and with many a thanks to all who share code snippets) this is what i came up with; a CLR that does 3 things:
- Physical disk info (no mountpoint support)
- Logical disk info (with mountpoint support)
- and a SPLIT function.
Here's my code (download)
using System;
using System.Collections; /// IEnumberable
using System.Data;
using System.Data.SqlClient;
using System.Data.SqlTypes;
using System.Diagnostics;
using System.IO; /// DriveInfo
using Microsoft.SqlServer.Server;
public partial class StoredProcedures
// Logical volume info (works for mountpoints)
AvailableFreeSpace Indicates the amount of available free space on a drive.
DriveFormat Gets the name of the file system, such as NTFS or FAT32.
DriveType Gets the drive type.
IsReady Gets a value indicating whether a drive is ready.
Name Gets the name of a drive.
RootDirectory Gets the root directory of a drive.
TotalFreeSpace Gets the total amount of free space available on a drive.
TotalSize Gets the total size of storage space on a drive.
VolumeLabel Gets or sets the volume label of a drive.
[Microsoft.SqlServer.Server.SqlProcedure]
public static void spClrLogicalDriveInfo()
string serverName = Environment.MachineName;
PerformanceCounterCategory pcc = new PerformanceCounterCategory("LogicalDisk", serverName);
SqlDataRecord record = new SqlDataRecord(
new SqlMetaData("DriveLetter", SqlDbType.NVarChar, 256),
new SqlMetaData("TotalSize", SqlDbType.BigInt),
new SqlMetaData("TotalFreeSpace", SqlDbType.BigInt),
new SqlMetaData("DriveFormat", SqlDbType.VarChar, 32),
new SqlMetaData("DriveType", SqlDbType.VarChar, 32),
new SqlMetaData("VolumeLabel", SqlDbType.VarChar, 20),
new SqlMetaData("AvailableFreeSpace", SqlDbType.BigInt));
SqlContext.Pipe.SendResultsStart(record);
foreach (string instanceName in pcc.GetInstanceNames())
PerformanceCounter pcPercentFree = new PerformanceCounter("LogicalDisk", "% Free Space", instanceName, serverName);
PerformanceCounter pcFreeMbytes = new PerformanceCounter("LogicalDisk", "Free Megabytes", instanceName, serverName);
float percentfree = pcPercentFree.NextValue();
if (percentfree == 0) { percentfree = 1; };
float TotalFreeSpace = pcFreeMbytes.NextValue();
float TotalSize = (TotalFreeSpace * 100) / percentfree;
if (instanceName != "_Total")
record.SetSqlString(0, instanceName + @"\"); //DriveLetter
record.SetSqlInt64 (1, Convert.ToInt64(TotalSize)); //TotalSize
record.SetSqlInt64 (2, Convert.ToInt64(TotalFreeSpace)); //TotalFreeSpace
record.SetSqlString(3, ""); //DriveFormat (not supported by PerfMon)
record.SetSqlString(4, ""); //DriveType (not supported by PerfMon)
record.SetSqlString(5, ""); //VolumeLabel (not supported by PerfMon)
record.SetSqlInt64 (6, Convert.ToInt64(0)); //AvailableFreeSpace (not supported by PerfMon)
SqlContext.Pipe.SendResultsRow(record);
SqlContext.Pipe.SendResultsEnd();
// Performance counters
// ToDo
public partial class UserDefinedFunctions
// Physical disk info (no mountpoint support)
AvailableFreeSpace Indicates the amount of available free space on a drive.
DriveFormat Gets the name of the file system, such as NTFS or FAT32.
DriveType Gets the drive type.
IsReady Gets a value indicating whether a drive is ready.
Name Gets the name of a drive.
RootDirectory Gets the root directory of a drive.
TotalFreeSpace Gets the total amount of free space available on a drive.
TotalSize Gets the total size of storage space on a drive.
VolumeLabel Gets or sets the volume label of a drive.
[SqlFunction(FillRowMethodName = "FillRow",
TableDefinition = "DriveLetter nvarchar(256)," +
"TotalSize bigint null," +
"TotalFreeSpace bigint null," +
"DriveFormat nvarchar(32) null," +
"DriveType nvarchar(32) null," +
"VolumeLabel nvarchar(20) null," +
"AvailableFreeSpace bigint null"
public static IEnumerable fnClrDriveInfo()
return System.IO.DriveInfo.GetDrives();
public static void FillRow(Object obj
, out string DriveLetter
, out SqlInt64 TotalSize
, out SqlInt64 TotalFreeSpace
, out string DriveFormat
, out string DriveType
, out string VolumeLabel
, out SqlInt64 AvailableFreeSpace
DriveInfo drive = (DriveInfo)obj;
DriveLetter = drive.Name;
DriveType = drive.DriveType.ToString();
// Check if the drive is ready (cdrom drives, SD cardreaders etc)
if (drive.IsReady)
TotalSize = new SqlInt64(drive.TotalSize) / 1048576;
TotalFreeSpace = new SqlInt64(drive.TotalFreeSpace) / 1048576;
DriveFormat = drive.DriveFormat;
VolumeLabel = drive.VolumeLabel;
AvailableFreeSpace = drive.AvailableFreeSpace / 1048576;
else
TotalSize = new SqlInt64();
TotalFreeSpace = new SqlInt64();
DriveFormat = null;
VolumeLabel = null;
AvailableFreeSpace = new SqlInt64();
// Split replacement
[SqlFunction(Name = "fnClrSplit",
FillRowMethodName = "FillSplitRow",
TableDefinition = "txt nvarchar(10)")]
public static IEnumerable fnClrSplit(SqlString str, SqlChars delimiter)
if (delimiter.Length == 0)
return new string[1] { str.Value };
return str.Value.Split(delimiter[0]);
public static void FillSplitRow(object row, out SqlString str)
str = new SqlString((string)row);
And after some testing i rolled it out, hoping my mountpoint info would be returned much faster...
And murphy made damn sure it was'nt.... not even by a long shot :'(
Having learned the hard way never to trust just one measurement, I tested it against 45 SQL instances, and then something caught my eye.....
The more mountpoints there are, the longer it took, and the curve was *no way near linear*.
So this is where i am now.... ,having almost run out of available letters of the alphabet, having no way to stop the grow of the mountpoints or databases, and fast loosing the ability to check to see if the mountpoints are running out of space from within
SQL.
So i'm hoping some fellow DBA out there, cursed by as many a mountpoint as i am had cracked a way to get stable performing free space info on mountpoints?
Suggestions anyone?

Hi Erland,
I've made a little console app containing the same loop i'm using in the CLR and ran that on my PC and on a server.
Code:
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;
namespace ConsoleApplication1
class Program
public static void Main()
string serverName = Environment.MachineName;
DateTime StartDT = DateTime.Now;
DateTime StartStepDT;
DateTime EndStepDT;
double StepRuntimeMs;
double EnumRuntimeMs;
StartStepDT = DateTime.Now;
PerformanceCounterCategory pcc = new PerformanceCounterCategory("LogicalDisk", serverName);
EndStepDT = DateTime.Now;
StepRuntimeMs = (EndStepDT - StartStepDT).TotalMilliseconds;
Console.WriteLine("Init Runtime: {0, 8} ms", StepRuntimeMs);
StartStepDT = DateTime.Now;
foreach (string instanceName in pcc.GetInstanceNames())
EndStepDT = DateTime.Now;
EnumRuntimeMs = (EndStepDT - StartStepDT).TotalMilliseconds;
StartStepDT = DateTime.Now;
PerformanceCounter pcPercentFree = new PerformanceCounter("LogicalDisk", "% Free Space", instanceName, serverName);
PerformanceCounter pcFreeMbytes = new PerformanceCounter("LogicalDisk", "Free Megabytes", instanceName, serverName);
float percentfree = pcPercentFree.NextValue();
if (percentfree == 0) { percentfree = 1; };
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float TotalSize = (TotalFreeSpace * 100) / percentfree;
if (instanceName != "_Total")
Console.WriteLine("Drive {0}", instanceName + @"\");
Console.WriteLine(" Total available space: {0, 8} MB", TotalFreeSpace);
Console.WriteLine(" Total size of drive: {0, 8} MB", TotalSize);
EndStepDT = DateTime.Now;
StepRuntimeMs = (EndStepDT - StartStepDT).TotalMilliseconds;
Console.WriteLine(" Enum Runtime: {0, 8} ms", EnumRuntimeMs);
Console.WriteLine(" Step Runtime: {0, 8} ms", StepRuntimeMs);
StartStepDT = DateTime.Now;
DateTime EndDT = DateTime.Now;
double RuntimeMs = (EndDT - StartDT).TotalMilliseconds;
Console.WriteLine("");
Console.WriteLine("Runtime: {0, 8} ms", RuntimeMs);
The steps that takes the most time is ofcourse the first Enum step, that has to init everything, 2.7 sec on my laptop and 4.6 sec on the server. After that, my latop rips throug the for each loop in about 1 ms per loop, but the server takes 300 to
450 ms per loop.
laptop
Init Runtime: 1,0001 ms
Drive F:\
Total available space: 3748 MB
Total size of drive: 3757 MB
Enum Runtime: 2700,3429 ms
Step Runtime: 3,0004 ms
Drive HarddiskVolume1\
Total available space: 70 MB
Total size of drive: 99 MB
Enum Runtime: 0 ms
Step Runtime: 0,5001 ms
Drive D:\
Total available space: 278710 MB
Total size of drive: 476936 MB
Enum Runtime: 0 ms
Step Runtime: 0,5001 ms
Drive C:\
Total available space: 75930 MB
Total size of drive: 244095 MB
Enum Runtime: 0 ms
Step Runtime: 1,5002 ms
Runtime: 2730,8468 ms
Server
Init Runtime: 0 ms
Drive D:\
Total available space: 80121 MB
Total size of drive: 102409 MB
Enum Runtime: 3931.2 ms
Step Runtime: 343.2 ms
Drive O:\MSSQL\DATA\DATA9\
Total available space: 10120 MB
Total size of drive: 30720 MB
Enum Runtime: 0 ms
Step Runtime: 312 ms
----- snip --------------- removed 120 entries
Drive O:\MSSQL\DATA\DATA6\
Total available space: 2318 MB
Total size of drive: 10238 MB
Enum Runtime: 0 ms
Step Runtime: 312 ms
Drive O:\MSSQL\DATA\DATA5\
Total available space: 8559 MB
Total size of drive: 10238 MB
Enum Runtime: 0 ms
Step Runtime: 312 ms
Drive R:\
Total available space: 15763 MB
Total size of drive: 20479 MB
Enum Runtime: 0 ms
Step Runtime: 296.4 ms
Runtime: 39873.6 ms
So i was wondering Erland, do you know of any other way to get to mountpoint free space faster then this ?
Grtz, T :)

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No.

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I have been an Apple fan for years, But recently my new I Phone 4 has been giving me a lot of trouble.
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Thanks
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Click the link below choose your country then choose service and see if you have an Apple Authorised Service Provider in your country.
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If you dont have any Apple Authorised Service Providers near you either then contact AppleCare and ask them for options for postage in your country/region. You can find the number for your country below:
http://support.apple.com/kb/HE57
Hope this helps

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