SOFS, CSV available space changes daily, strange behavour

Hi, I have a a SOFS cluster which is working nicely, around 120 VM, running from 8 CSV volumes.
but I have noticed that the disk usage goes up and down during the day, one CSV only had 5% free when I checked this morning.
But overnight it drops back to 20-30% free. if I do a Volume refresh during the Day I can see the available space dropping, 1 or 2 Gig every hour or so.
now I though this was AVHD snapshots growing but I have checked this, and it not that causing the issue, I also thought it could be DPM, but no backups are running.
could it be memory of the VM's using extra disk on the VM config ?
I haven't noticed this behaviour before, and I am pretty interested in whats going on.
Cheers
Mark

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I delete files but the available space does not change.

I delete files but the available space does not change.
In fact, the space even decreases after deleting attachments and the list of incoming email is empty.
What happened? Help!

Fixed.

Question: Inconsistency in Icloud between total and available spaces.

Dear all,
First of all, thank you for read this topic and please kindly give me information or advise if you can.
Right now, my Iphone 4s was reset accidentally and all data were gone without any backup in Itune but I thought I have backup some in Icloud. After it was reset, I tried to restore with Icloud but nothing was found. Then, I came back to check space in Icloud (setting > Icloud > storage & Backup) and found that total space is 5.0 GB but available space is 355 MB, meaning that space around 4 GB are used for backing up something. So, this point is so strange. Icloud said nothing was backed up but my Icloud space has been used for 4GB.
Could anyone advise for data backing up and answer this problem for me?
Also, please kindly let me know how can I get storage 4GB back.
Thank youso much in advance,
Yong

For a hard drive try Newegg.com http://www.newegg.com/Store/SubCategory.aspx?SubCategory=380&name=Laptop-Hard-Dr ives&Order=PRICE
Or OWC http://eshop.macsales.com/shop/hard-drives/2.5-Notebook/
Here's instructions on replacing the hard drive http://creativemac.digitalmedianet.com/articles/viewarticle.jsp?id=45088
Here's a cheap SATA external hard drive case on eBay http://cgi.ebay.com/USB-2-5-SATA-HDD-HARD-DRIVE-EXTERNAL-ENCLOSURE-CASE-BOX-/120 636286623?pt=PCC_Drives_Storage_Internal&hash=item1c167ba69f

Find available space in buffer cache

Hi.
I want to find available space from buffer cache. First thought was to make it 8i-9i comp, by not using v$bh to calculate sum of memory and available space.
I have the following pl/sql block to calculate the values:
declare
num_free_blck integer;
num_all_blck integer;
num_used_blck integer;
overal_cache number := 0;
used_cache number := 0;
free_cache number := 0;
blck_size integer;
pct_free number := 0;
begin
select count(1) into num_free_blck from v$bh where status='free';
select count(1) into num_all_blck from v$bh;
select count(1) into num_used_blck from v$bh where status <> 'free';
select value into blck_size from v$parameter where name ='db_block_size';
used_cache := (blck_size * num_used_blck)/(1024*1024);
free_cache := (blck_size * num_free_blck)/(1024*1024);
overal_cache := (blck_size * num_all_blck)/(1024*1024);
pct_free := ((free_cache/overal_cache)*100);
dbms_output.put_line('There are '||num_free_blck||' free blocks in buffer cache');
dbms_output.put_line('There are '||num_used_blck||' used block in buffer cache');
dbms_output.put_line('There are totally '||num_all_blck||' blocks in buffer cache');
dbms_output.put_line('Overall cache size is '||to_char(overal_cache,'999.9')|| 'mb');
dbms_output.put_line('Used cache is '||to_char(used_cache,'999.9')||' mb');
dbms_output.put_line('Free cache is '||to_char(free_cache,'999.9')||' mb');
dbms_output.put_line('Percent free db_cache is '||to_char(pct_free,'99.9')||' %');
end;
The result of the execution is:
SQL> @c:\temp\bh
There are 3819 free blocks in buffer cache
There are 4189 used block in buffer cache
There are totally 8008 blocks in buffer cache
Overall cache size is 62.6mb
Used cache is 32.7 mb
Free cache is 29.8 mb
Percent free db_cache is 47.7 %
PL/SQL-prosedyren ble fullfÃ¸rt.
SQL>
This is not correct according to the actuall size of the buffer cache:
SQL> select name,value from v$parameter where name='db_cache_size';
NAME
VALUE
db_cache_size
67108864
SQL>
Anyone that have an idea bout this?
Thanks
Kjell Ove

Mark D Powell wrote:
select decode(state,0,'Free',
1,'Read and Modified',
2,'Read and Not Modified',
3,'Currently being Modified',
'Other'
) buffer_state,
count(*) buffer_count
from    sys.xx_bh
group by decode(state,0,'Free',
1,'Read and Modified',
2,'Read and Not Modified',
3,'Currently being Modified',
'Other'
Provided the OP figures out that xx_bh is probably a view defined by sys on top of x$bh this will get him the number of free buffers - which may be what he wants - but apart from that your query is at least 10 years short of complete, and the decode() of state 3 is definitley wrong.
The decode of x$bh.state for 10g is:
     decode(state,
          0,'free',
          1,'xcur',
          2,'scur',
          3,'cr',
          4,'read',
          5,'mrec',
          6,'irec',
          7,'write',
          8,'pi',
          9,'memory',
          10,'mwrite',
          11,'donated'
     ), and for 11g it is:
     decode(state,
           0, 'free',
           1, 'xcur',
           2, 'scur',
           3, 'cr',
           4, 'read',
           5, 'mrec',
           6, 'irec',
           7, 'write',
           8, 'pi',
           9, 'memory',
          10, 'mwrite',
          11, 'donated',
          12, 'protected',
          13, 'securefile',
          14, 'siop',
          15, 'recckpt',
          16, 'flashfree',
          17, 'flashcur',
          18, 'flashna'
     ), (At least, that was the last time I looked - they may have changed again in 10.2.0.5 and 11.2.0.2)
Regards
Jonathan Lewis

I have purchased a macbook air with 64 gb hard disk. the available space is only 10gb. With this available space, i can't use the system effectively. kindly advise.

I have purchased a macbook air with 64 gb hard disk. the available space is only 10gb. With this available space, i can't use the system effectively. kindly advise.

You should have bought one with a larger SSD. You can regain some space by disabling the sleepimage file:
To disable safe sleep, run the two following commands in Terminal:
$ sudo pmset -a hibernatemode 0
$ sudo nvram "use-nvramrc?"=false
When done, restart your computer. Now go delete the file "/private/var/vm/sleepimage" to free up some hard drive space. When you put your computer to sleep it, should happen in under five seconds; my MacBook now goes to sleep in two seconds.
[robg adds: To state the obvious, with safe sleep disabled, a total power loss will wipe out whatever was open on your machine. To enable safe sleep mode again, repeat the above commands, but change hibernatemode 0 on the first line to hibernatemode 3, and =false to =true on the second line. You'll then need to reboot again. Personally, I prefer the safe sleep mode, even with the slower sleep time and hard drive consumption -- even if for no other reason than it's great when changing batteries on a flight.]
You can also delete unneeded files:
Freeing Up Space on The Hard Drive
1. See Lion/Mountain Lion's Storage Display.
2. You can remove data from your Home folder except for the /Home/Library/ folder.
3. Visit The XLab FAQs and read the FAQ on freeing up space on your hard drive.
4. Also see Freeing space on your Mac OS X startup disk.
5. See Where did my Disk Space go?.
6. See The Storage Display.
You must Empty the Trash in order to recover the space they occupied on the hard drive.
You should consider replacing the drive with a larger one. Check out OWC for drives, tutorials, and toolkits.
Try using OmniDiskSweeper 1.8 or GrandPerspective to search your drive for large files and where they are located.

DiskWatcher Available space message in LMS 4.2.2

In Soft Apliance 4.2.2 I keep up getting diskWatcher Available space message:
It is fresh installation:
[LMS-500/root-ade ~]# df -h
Filesystem            Size Used Avail Use% Mounted on
/dev/mapper/smosvg-usrvol
                       18G 874M   16G   6% /usr
/dev/mapper/smosvg-optvol
                      105G 5.2G   95G   6% /opt
/dev/mapper/smosvg-varvol
                       53G 511M   50G   2% /var
/dev/sda3             965M   18M 898M   2% /storedconfig
/dev/mapper/smosvg-tmpvol
                      8.7G 151M 8.1G   2% /tmp
Config:

Hi ,
you can follow the below steps:
1.     Shutdown the VM
2.     Right click the VM and select Edit Settings
3.     Select the hard disk you would like to extend
4.     On the right side, make the provisioned size as large as you need it
5.     Click OK
6.     Power on the VM
7.     Connect to the command line of the Linux VM via the console or putty
session
8.     Log in as root
9.     The fdisk command provides disk partitioning functions and using it
with the -l switch lists information about your disk partitions. At the
command prompt type fdisk -l
10.     The response should say something like Disk /dev/sda : xxGB. (See
Figure A)
11.     At the command prompt type fdisk /dev/sda. (if dev/sda is what was
returned after step 10 as shown in Figure A)
12.     Type p to print the partition table and press Enter (also shown in
Figure A)
13.     Type n to add a new partition
14.     Type p again to make it a primary partition
15.     Now you'll be prompted to pick the first cylinder which will most
likely come at the end of your last partition (ex: /dev/sda3 ends at 2610).
So I chose 2611 for my first cylinder, which is also listed as the default.
16.     If you want it to take up the rest of the space available (as
allocated in step 4), just choose the default value for the last cylinder.
17.     Type w to save these changes
18.     Restart the VM
19.     Log back in as root
20.     At the command prompt type fdisk -l. You'll notice another partition
is present. In Figure B it is listed as sda4.
21.     You need to initialize this new partition as a physical volume so
you can manipulate it later using the Logical Volume Manager (LVM).
22.     Now you'll add the physical volume to the existing volume group
using the vgextend command. First type df -h to find the name of the volume
group. In Figure C, the name of the volume group is vg_root. Now type
vgextend [volume group] /dev/sdaX. (ex: vgextend vg_root /dev/sda4)
23.     To find the amount of free space available on the physical volume
type vgdisplay [volume group] | grep "Free"
24.     Extend the logical volume by the amount of free space shown in the
previous step by typing lvextend -L+[freespace]G /dev/volgroup/volume. (ex:
lvextend -L+20G /dev/vg_root/lv_root)
25.     You can finally expand the ext3 file system in the logical volume
using the command resize2fs /dev/volgroup/volume (ex: resize2fs
/dev/vg_root/lv_root).
26.     You can now run the df command to verify that you have more space-df
-h
Thanks-
Afroz
[Do rate the useful post]
****Ratings Encourages Contributors ****

DB Size - available space

Hello,
I have a DB (MSSQL 2008 R2) app. 20 GB in size. It's on a remote server, so the bigger the size the slower the backups and (potential) restore.
In some tables I stored binary files. I changed this, so I deleted these files and released 12 GB of space. I expected the DB would shrink in size, but it's still 20 GB (with 12 GB of "available space").
I will do the same with some other tables, so I expect my DB to be less then 1GB in size. Growing rate app. 250 MB per year.
I saw a lot of posts saying that you should NOT shrink the DB.
Is there any other way to remove unnecessary available space, because I do not need a 20 GB DB file, where only 1 GB of data is really stored??
Thx
M

There's nothing wrong with shrinking a database as long as you have a valid reason for doing so and you understand the potential problems associated with doing so, so you can mitigate the problems.
There's a lot of bad advice available on the internet. Shrinking a database isn't necessarily a bad thing although it can cause problems if done frequently. Ideally you should size you database exactly right when you initially create the database
then never change the size. Unfortunately none of us live in a perfect world where that's possible in every instance.
I'm pretty good about sizing hardware and databases but in spite of all of my experience I find that I occasionally have to shrink databases. If I were to take the advice on the internet to heart I'd expect my servers to overheat and melt down due
to those actions. In reality my failures to perfectly size my databases thus resulting in having the shrink those databases have resulted in no noticeable problems. Go figure.
I'm no expert on the problems caused by shrinking a database but I hear it can lead to disk fragmentation. Assuming that's correct and I have no reason not to believe that fragmentation is a possible outcome of constant database shrinking and growth,
I personally do my best to limit the number of times I shrink databases.
In your case, you are making a design change to your database which will cause the database to be much smaller and grow much slower. However I think your rationale for shrinking your database may not be correct. Just because a database is 20GB
doesn't mean that SQL Server is going to create a backup that's 20GB in size nor does it mean that SQL Server is going to take any longer to backup the database than it would if the database had no unused space.
My personal experience has shown that SQL Server will create a backup that's large enough to store only the data in your database. So if you have a 20GB database and 19GB is unused, the backup file won't be much more than 1GB in size.
So the real question then becomes, do you need the space on your server which is consumed by the reserved space in your database? If you don't need that 19GB of space for something else I'd just leave the database as is until you do.

TS1398 The WEP password to access WiFI from Time Warner is 12 numbers and letters plus 14 zeros. Can I expand the available space in the space for entering passwords

The WEP Password to access wifi from Time Warner cable is 12 numbers and letters followed by 14zeros. The available space to input password is unequal to the task? Time Warner advised to call Apple. Any one with a suggestion on how to either 'customize' WEP or expand available password input space? Better ideaS?

wjosten - I was using a WEP password of greater than 13 characters with no problem.
Mondayblues - Are you saying that you cannot set your own password for your router/modem? You should be able to access it from an ethernet connected computer and change the password to suit yourself. If it's not more than about 4 years old, you should be able to use WPA instead of WEP, which is much more secure. Google "time warner modem yourmodel" to find the user manual and the URL to access the modem.

While no applications are running, something is writing to the HD, using all available space

Very strange issue - This a White Mac Book, probably 6 years old, running 10.8.4 with 4g ram, 160G HD.
There's some process writing to the hard drive while no applications are running, using all the available disk space. I can watch the available space become less and less. At the same time, everytime I try to move anything to the trash, I get a prompt to authenticate. Once a password is entered, the files don't get put into the trash, but become deleted right away.
Things I've done to attempt to correct:
Flash P-Ram - no effect
fsck -fy from single user - disk structure is ok, no errors.
Run verify and repair permissions from the recovery partition. Had no effect.
There is no AV app installed, but there's no space to install to check for viruses. Whatever is writing to the disk uses any available space which won't allow anything to be installed.
Can't create a new user as there's no disk space.
Only option I see is reinstalling the OS which I'm trying to avoid if I can.
Any thoughts/Suggestions? Thanks.

If you haven't done so, try a Safe Mode boot ..
Startup your Mac in Safe Mode
A Safe Mode boot takes a longer than a normal boot so be patient.
Once you are in Safe Mode, click Restart from the Apple () menu.
If that doesn't help, try locating a diagnostics log file.
Open the Console app located in HD > Applications > Utilites
Select: System Diagnostic Reports on the left.
Copy and paste the most recent kernel panic or crash log in your Reply.
Hopefully that will narrow down the problem.

Available space not right after trashing

After trashing large files, the available space in the status bar remains the same
The only way I found was to go thru a restart
kind of annoying
Any other solution ?

For information about the Other category in the Storage display, see this support article.
Empty the Trash if you haven't already done so. If you use iPhoto, empty its internal Trash first:
iPhoto ▹ Empty Trash
Do the same in other applications, such as Aperture, that have an internal Trash feature. Then reboot. That will temporarily free up some space.
According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation. You also need enough space left over to allow for growth of the data. There is little or no performance advantage to having more available space than the minimum Apple recommends. Available storage space that you'll never use is wasted space.
When Time Machine backs up a portable Mac, some of the free space will be used to make local snapshots, which are backup copies of recently deleted files. The space occupied by local snapshots is reported as available by the Finder, and should be considered as such. In the Storage display of System Information, local snapshots are shown asBackups. The snapshots are automatically deleted when they expire or when free space falls below a certain level. You ordinarily don't need to, and should not, delete local snapshots yourself. If you followed bad advice to disable local snapshots by running a shell command, you may have ended up with a lot of data in the Other category. Reboot and it should go away.
See this support article for some simple ways to free up storage space.
You can more effectively use a tool such as OmniDiskSweeper (ODS) to explore the volume and find out what's taking up the space. You can also delete files with it, but don't do that unless you're sure that you know what you're deleting and that all data is safely backed up. That means you have multiple backups, not just one.
Deleting files inside an iPhoto or Aperture library will corrupt the library. Any changes to a photo library must be made from within the application that created it. The same goes for Mail files.
Proceed further only if the problem isn't solved by the above steps.
ODS can't see the whole filesystem when you run it just by double-clicking; it only sees files that you have permission to read. To see everything, you have to run it as root.
Back up all data now.
If you have more than one user account, make sure you're logged in as an administrator. The administrator account is the one that was created automatically when you first set up the computer.
Install ODS in the Applications folder as usual. Quit it if it's running.
Triple-click anywhere in the line of text below on this page to select it, then copy the selected text to the Clipboard by pressing the key combination command-C:
sudo /Applications/OmniDiskSweeper.app/Contents/MacOS/OmniDiskSweeper
Launch the built-in Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Paste into the Terminal window (command-V). You'll be prompted for your login password, which won't be displayed when you type it. You may get a one-time warning to be careful. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
The application window will open, eventually showing all files in all folders, sorted by size with the largest at the top. It may take a few minutes for ODS to finish scanning.
I don't recommend that you make a habit of doing this. Don't delete anything while running ODS as root. If something needs to be deleted, make sure you know what it is and how it got there, and then delete it by other, safer, means. When in doubt, leave it alone or ask for guidance.
When you're done with ODS, quit it and also quit Terminal.

Blu-Ray Fit Contents to available space

I made my first blu-ray disc in PreEl, and I tried to add as many raw video clips exported from my Canon Vixia HF200 as would fit on the disc. On the Share->Blu-Ray settings, it said the space required was 22.89 GB, and I then checked the "Fit Contents to available space" box, which changed the Space Required to 23.30 GB. The disc came out ok, but I discovered there was about 7GB left unused, and it is visually obvious the burner didn't use the last 1/2 inch or so of space on the bottom of the disc.
Is there a better way to try to utilize all the available disc space? In this case, my goal is to archive as many original video files as possible onto a disc. However, I have tried to group them together and add menu markers to them, so I don't end up with 200+ chapters on the disc.
I plan to actually edit and create videos more in the future, but for now I'm thinking in terms of getting many hours ofHD video off my hard drive and making multiple backup copies to blu-ray discs.

Neale,
Unless things have changed, and this could be by version, or a difference between BD and DVD-Video, PrE uses a 2-Pass VBR Transcoding scheme. What this means is that PrE measures what it thinks the size will be, then runs the first pass. This pass basically samples the motion in the Timeline, and stores data to be used in the next pass. Then, on the second pass, that info is used to assign a higher Bit-Rate to areas of high motion, and lower Bit-Rate to areas of less motion. It is not until PrE is completely done with the second pass, that it knows for sure, how large the file will be, as the Bit-Rates will be altered, as needed throughout the process.
The multi-pass Transcoding is how Hollywood crams so much high-quality material onto a DVD, or BD. There Transcoding software will do maybe 9-Passes, or even more, and then the operator can tweak things as required. This results in a variable Bit-Rate that is the ultimate for every segment of the Timeline - not 1 MB/s more than is needed, and very high motion at the best possible Bit-Rate to keep that smooth. Never too much, and never too little. Sort of a Goldie Locks situation, and run by highly-trained professionals, who do nothing else all day long, using software that costs more than a Mercedes E-Class.
As for the BD-Data, one is not Transcoding to produce that. If there is any Transcoding, it would first be done by the user, and then the resultant files would just be Copied over to the BD-Data disc. As you say, one would calculate the number of files, times their size, and subtract that from the capacity, adding more, or subtracting some, to fill the BD-Data.
Hunt

Why it's taking so much free available space when I sync both iPad & iPhone

Hi
I really need some solution for this and I hope you can help me. There's something strange about every time I sync both of my iPhone 5 & iPad 3 when I open and using my laptop to backup them. Now here's the strange part: my free Available space is used to be 29.39 GB out of 64 GB from my iPhone 5 for example but after for a while, it's 19.64 GB free. And the funny thing is I haven't added anything extra like movies for example since I can watch movies through iCloud Wi-Fi. I was wondering why does this happen for both of my devices iPhone and iPad?

Most likely there is corrupt data on your iPad.
Restore and see if that helps.
Next try to restore as new.
If neither of those help take it to Apple.

I'm a new Apple user - when I deleted some large files the available space didn't increase - I emptied the trash - am i missing a step to tidy the hard drive?

I'm a new Apple user - when I deleted some large files the available space on the hard drive in the activity monitor
didn't increase - I emptied the trash - am i missing a step to tidy the hard drive?

Open the Finder.
From the Finder menu bar top of your screen click View > Show Status Bar
You should now see the the free space available at the bottom of any Finder window and that should change after you empty the Trash.
Freeing Up Hard Disk Space - Mac GuidesFreeing Up Hard Disk Space - Mac Guides

Osx lion: available space on my HD has increased significantly since the iCloud and recovery disc updates for Mac.

osx lion: available space on my HD has increased significantly (doubled!) since the iCloud and recovery disc updates for Mac. I am guessing OSX Lion now recalculates what is 'available' as I have not deleted anything major. I have two MacBook Air's (1 core 2 duo and 1 i5), both with 256 drives. I am also running win 7 on Parallels 7. Any thoughts?

you can't necessarily download the Mountain Lion installer via the App Store since it came already installed on your computer.
Not true. You can go to the Mac App Store and download the installer
(from the link that WALTER-MILANO-ITALY posted above)
Install OS X Lion or OS X Mountain Lion
If you completed your installation of OS X, your installer may have been removed after your successful first login to OS X Lion or OS X Mountain Lion. Mac App Store's Purchases page should show Install OS X as being "Installed", and disallow its download, when viewed from a computer running OS X.
To redownload the installer on a computer running OS X Lion or OS X Mountain Lion, press and hold the Option key while you click the Purchases tab. If the button to the right of the Install OS X Lion or OS X Mountain Lion item doesn't change to "Install" and allow you to download OS X, use Spotlight to search for "Install OS X Lion or OS X Mountain Lion" on your computer.

Available Space on My Time Capsule

So I have almost filled my time capsule 1TB, so I was deleting a couple things to make space to add a new item. When I deleted the other things, the available space number didn't change and I made sure to also empty it out of the "time capsule" related trash. When I tried to add the new items they wouldn't transfer over due to not enough space. The things I deleted were bigger than the stuff I was trying to add. Is this a common error or most likely just a product defect?

Rozloff wrote:
I drag my movies from their folder under my user tab and drop them right into "Time Machine Backups" that is listed under the "Devices" tab, is that a problem?
Probably.
When you open the TC via the Finder, you should see a "Data" folder. That's where you should be putting your files, not the sparse bundle (it's name includes your computer name) that contains your backups. See this post by Jolly Giant: http://discussions.apple.com/thread.jspa?messageID=11349464&#11349464
Via the Finder, double-click the +sparse bundle+ to mount it; then double-click the +Time Machine Backups+ disk image to open it. It will contain a folder named Backups.backupdb. Do NOT touch anything inside that folder: those are your backups, with a complex structure that will be hopelessly corrupted if anything is moved, changed, or deleted.
If your other stuff is inside the sparse bundle, but outside the Backups.backupdb folder, you may be ok. Drag it out of the sparse bundle, to the Data folder.
Then, very carefully, "compact" the sparse bundle, per the pink box in #12 of the Frequently Asked Questions *User Tip,* also at the top of the +Time Machine+ forum.
Then go into Time Machine's "Star Wars" display and browse your backups. Make sure you can navigate to different ones; also restore a few items from a few different backups (especially the most recent one), but to an +alternate location,+ such as your desktop (see #17 in the FAQ Tip). If all that works, and backups continue to work, your backups may be intact.
But eventually, keeping your other data on the TC that way will cause problems, as per #Q3 in the Using TIME MACHINE with a TIME CAPSULE *User Tip*

SOFS, CSV available space changes daily, strange behavour

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