SharePoint installation on Disk partition having maximum space

Hi ,
Is it good practice to install SharePoint on disk having maximum space
and also configuring IIS into same disk partition?
Regards,
Swati
SP Page: http://www.facebook.com/SharePointQ SP Blog: http://swatipoint.blogspot.com

Normally it is said that you should have minimum of 80 GB for system drive. Ample empty disk space will always be recemmonded.
I would recemmond you to install it on disk which will not be used frequently as it will create more IO and slow down performance.
Very commonly you will see error "Drives are running out of free space" which comes when Available drive space is less than five times the value of physical memory but it is critical when Available drive space is less than twice the value of physical memory
Check below for more details
http://blogs.msdn.com/b/briangre/archive/2011/12/01/quot-drives-are-running-out-of-free-space-quot-but-who-cares.aspx

Similar Messages

Hard disk partition issue and space issue

Hello i was trying to do a partition on my hard disk on my macbook pro retina. Wen i go to disk utility and try it says i need to repair the disk. I used command r in reboot and repaired but still having issues. When i look at space i get two different space available on macintosh HD. Here are the pictures you will see the space available is different depending what i choose. I am confused. Any help is appreciated. Here are the pics.

When you boot using Cmd-R, you're booting from a hidden Recovery Partition. That partition is using part of the space that is the size difference you're seeing between the Media line (upper picture) and the boot partition line. You can turn on the Debug Menu which shows the extra partitions using these directions.
I'm not sure but I suspect the issue may be that your boot partition is encrypted.

Oracle Enterprise Linux 6.1 Installation Fails during Disk Partitioning

Hi,
I've tried to install Oracle Enterprise Linux 6.1 by creating a Virtual Machine using Oracle VM Virtual Box in my laptop with Window XP host OS (NTFS filesystem), by following the below steps.
1) Installed Oracle VM Virtual Box
2) Created a new Virtual machine using a virtual box by specifying the two .iso images i.e OracleLinux-R6-U1-Server-i386-dvd.iso and boot.iso as the boot device and by specifying the following Disk files (.vdi) as follows.
2.1) Oracle_Enterprise_Linux_6_1_Root_Disk_1.vdi - For the / (i.e Root) partition - Dynamically expanded storage - 10 GB - ext4
2.2) Oracle_Enterprise_Linux_6_1_Swap_Disk_1.vdi - For the swap partition - Dynamically expanded storage - 10 GB - swap
2.3) Oracle_Enterprise_Linux_6_1_User_Disk_1.vdi - For the /usr partition - Dynamically expanded storage - 20 GB - ext4
2.4) Oracle_Enterprise_Linux_6_1_Home_Disk_1.vdi - For the /home partition - Dynamically expanded storage - 10 GB - ext4
But while installing OEL 6.1 after specifying the partitions, the installer get hung and throws an error as bug while creating the ext4 filesystem on /dev/sda1.
I tried to specify the default 8 GB for all the above four partitions, the installer successfully continues without any issues. But if i specify any partition more than 8 GB, it fails.
Is there anyway I can solve this problem by creating the above specified partitions with the above size ? Why does it fail if i specify any size more than 8 GB ?
Thanks
Harish

8 GB is a common limit for systems were the boot loader or system BIOS imposes an addressable space limit for the boot partition. In such situations, the system boot partition has to fit within the first 8 GB physical boundary of the harddrive.
Your setup seems a bit unusual. Why do you create separate disks for each Linux partition?
Normally the Linux installer creates necessary partitions on the disk, including a /boot partition that is usually only 100 MB in size.
What are you doing with boot.iso? You should be able to start the system from the main installation DVD or .iso image. You might also want to install x86_64 Linux, unless your hardware is really very old and does not support the 64-bit extension. You can run 32-bit software on a n 64-bit OS, but not the other way around and you will limit your software to 32-bit only.

Disk Utility - Partition map needs repair because a data partition needs loader space.

I just finished setting up both my OSX and Windows installs from scratch after fitting an SSD, which in-turn was right before my logic board died and Apple replaced it, now it looks like I have some sort of hard drive issue brewing.
This was my plan for the SSD, and how it currently displays in Disk Utility although that wasn't the case earlier:
And in Terminal:
My intention was to have two boot partitions for each OS, 'Macintosh HD' and 'Win 7 Pro' and a third shared data partition 'Projects' on the SSD, which I made in Drive Genius after installing Boot Camp. I don't want Macintosh HD accessible from Windows because I'll be using Paragon HFS+ or MacDrive to give write access and don't want OSs stomping on other OSs turf, hence needing three partitions. Everything looked fine until I just checked Disk Management under windows and realised it couldn't see the Projects volume. Even though it's fine in OS X, it was just marked black/unallocated space.
So I booted back into OSX, all my files look fine so I ran Disk Utility and the Partition tab looked really odd - unfortunately I didn't get a screenshot. All volumes reported their size correctly but visually, Macintosh HD took up most of the drive. I could see 'Windows 7 Pro' under this, but the Partition Layout section had a scrollbar, which if I scrolled down showed 'Projects' squished into a tiny gap at the bottom. I ran a Verify, which reported no problems, and at some time since the Partition Layout has reverted to how it should look (as in the screenshot above), with 'Projects' book-ended by "Macintosh HD' and 'Windows 7 Pro'.
Now when I run a Verify on Macintosh HD or Projects volumes, it says there's no problem, but if I run one on the drive, I get this message:
Volume Macintosh HD on disk0s2 has 0 bytes of trailing loader space and it needs 134217728 bytes
Problems were found with the partition map which might prevent booting
Error: Partition map needs repair because a data partition needs loader space.
I've only managed to find one other mention of this error here, but the fix is not relevant to me because I don't have Sophos installed. I've tried Single User/Safe Mode but it just boots into normal mode, so I can't do a fsck -fy.
** /dev/rdisk0s2 (NO WRITE)
Can't open /dev/rdisk0s2: Permission denied
That value in bytes is exactly 128mb, so I suspect the problem lies with one of the invisible partitions that show up in iPartition and Disk Management under Windows, but not in Disk Utility. I have backups and I suspect the root of the problem is partitioning in iPartition after installing Boot Camp, but I've never had issues with this approach in the past so I'm wary of just giving up and reinstalling Windows again will be massive hassle because I no longer have a SuperDrive and last time it refused to install from USB.
Anyone have any idea what's going on? It seems like the sort of issue Disk Utility should just handle, at least in Recovery mode, but it's not playing ball. It also doesn't seem like a massive problem since my files all look fine and performance is OK, so I'm reluctant to do anything major.
I'll update with a shot of the drive in Disk Management from Windows in a few minutes, in case that sheds light on anything. Thanks!

Similar issue here. I manually partitioned my hard disk for triple boot (using Gparted on Linux), then everything was just fine until I ran bootcamp, to do something as simple as create a boot USB.
I get the same error as a result and have to work my way into booting, by resorting first to a Linux live USB, then restarting from the live USB, to finally reach my rEFInd boot manager, or whichever boot manager should be initialized at startup.
I suppose that the cause in my case is that some operation "scratched" the protective MBR. See this:
http://www.mactech.com/articles/mactech/Vol.23/23.03/APMtoGPT/index.html
I am hoping to fix it using an external Yosemite installation media: see this guide -
http://www.macworld.com/article/2367748/how-to-make-a-bootable-os-x-10-10-yosemi te-install-drive.html
And as a last resort to reinstall.
I'll admit I am negatively surprised. I need this computer for professional reasons, and for the sake of "preserving the integrity of OSX", measures defined by Apple instead tend to make partitions far easier to damage. And this problem seems to affect a number of users.
As for what I have to go through to fix it: a 5GB download, during which I have to register my credit card to the Apple Store. "Pay first, get your free software next."
IF Disk Utility can fix it, from the external media, then fair enough. The hassle is unpleasant but it files as "a choice".
Otherwise you can file it safely under software design calamity.

Disk Partition & Mounting in Solaris 11 During Interactive Installation

Hi,
I am Installing Solaris 11 on Sun Fire T2000 which is having 4 disks. I am able to see all the 4 disks but unable to Customizse the Disks&Partition accorindg to my requirement.
Can any one guide me on, how to customize the disk partition during installation?
Thanks

Hi
I need this way while installing Oracle 11. In solaris 10 it is easy to disk partitioning and mounting Point. But in Solaris 11 Sparc, It is not allowing me to do.
Partition     Disk      Size in GB
/     /dev/dsk/c0t0d0s0     16
swap     /dev/dsk/c0t0d0s1     16
/opt     /dev/dsk/c0t0d0s3     16
/export/home     /dev/dsk/c0t0d0s4     8
/u01/app     /dev/dsk/c0t0d0s5     Remaining disk1
/u02/app     /dev/dsk/c0t1d0s0     All of disk
/u03/app     /dev/dsk/c0t2d0s0     All of disk
/u04/app     /dev/dsk/c0t3d0s0     All of disk

WARNING: Insufficient disk partition space.

im trying to install J2EE SDK on a SunBlade 150 with Solaris 8. I get the following error message during the drivespace check:
WARNNG: Insufficient disk partition space to install the items selected
Im trying to install it in /opt/SUNWappserver/
I have installed the recommended patch cluster for Solaris 8, so all of my patches are up to date. According to df -k, I have about 4.5 gigs left on that partition, so space is not the issue. I figured it must be a bug with the release.
Does anyone know the fix for this?

sure.....heres the info, sorry for the late reply, and thanks again for all of your help:
Error Message when I try to install onto /opt/SunWAppserver/:
Checking disk space...
WARNING: Insufficient disk partition space to install the items selected.
<Press ENTER to continue> {"<" goes back, "!" exits}
A second attempt was made to install it in a different target, this time in /usr/j2eesdk/ with the same result.
bash-2.03$ uname -a
SunOS sunspot 5.8 Generic_108528-29 sun4u sparc SUNW,Sun-Blade-100
bash$: df -k
Filesystem kbytes used avail capacity Mounted on
/dev/dsk/c0t0d0s0 958287 79005 821785 9% /
/dev/dsk/c0t0d0s3 2997583 2171333 766299 74% /usr
/proc 0 0 0 0% /proc
fd 0 0 0 0% /dev/fd
mnttab 0 0 0 0% /etc/mnttab
/dev/dsk/c0t0d0s4 1977327 432350 1485658 23% /var
swap 538760 24 538736 1% /var/run
swap 539104 368 538736 1% /tmp
/dev/dsk/c0t0d0s5 5020830 453250 4517372 10% /opt
/dev/dsk/c0t0d0s6 20085817 2559013 17325946 13% /export/home
Installed patches shown using showrev -p:
Patches installed on system at time of attempt. (Latest install from recommended patch cluster for Solaris 8 released August 16th, 2004:
109618-01 109889-01 110369-05 110370-03 110373-04 110374-08 110376-01 110833-01 110853-01 111791-01 112160-01 108528-13 108528-14 108528-29 111306-03 111793-01 112161-02 112167-01 110849-08 109873-11 108723-01 108875-10 108901-04 108974-17 109202-03 109454-01 109458-02 109657-06 109764-04 109793-09 109879-02 109898-05 109920-06 109928-04 110075-01 110285-01 110368-02 110371-03 110375-04 110379-01 110461-01 110820-07 110821-02 110822-01 110826-05 110827-02 110828-02 110829-02 110838-04 110840-02 110841-01 110842-05 110844-02 110845-03 110846-02 110847-02 110852-03 110854-02 110901-01 110955-02 111023-01 111267-02 111304-01 111321-02 111439-01 111588-01 112162-03 112163-01 112164-01 112170-01 112220-01 108725-07 108727-10 109872-01 109876-02 109893-02 109894-01 110851-02 110918-03 112169-01 109888-15 112438-01 108974-25 111023-03 108993-36 110724-01 108825-01 108899-01 108982-09 108983-08 108984-08 109091-04 109145-01 109147-12 109149-02 109277-02 109324-04 109326-06 109524-09 109576-01 109729-01 109783-01 109803-01 109805-04 109807-01 109809-01 109933-01 109994-01 110165-02 110283-05 110381-01 110382-01 110386-01 110387-03 110388-01 110662-06 110668-01 110710-01 110896-01 110898-03 110903-02 110905-02 110910-01 110912-03 110914-01 110934-04
110945-04 110951-01 110957-02 111085-02 111098-01 111197-01 111225-02 111232-01 111234-01 111265-01 111299-03 111317-02 111319-01 111325-01 111368-01 111504-01 111624-01 111659-03 111804-02 111808-01 111831-01 111874-02 111881-01 111958-01 112039-01 112097-01 112138-01 112171-01 108964-06 108975-05 108985-03 108989-02 109043-02 109045-03 109077-06 109234-08 109896-07 109902-03 110385-03 110839-03 111796-03 111802-01 109003-01 109005-03 109007-06 109009-02 109011-01 109015-01 109017-01 109019-02 109021-01 109023-01 109027-01 109031-01 109033-01 109035-02 112396-02 108827-34 110934-07 113415-01 110386-03 109147-29 110934-16 111317-05 113648-03 115827-01 116602-01 108977-01 109785-01 109815-10 109877-01 109882-05 109883-02 109900-02 110380-03 110609-02 110615-03 110856-01 111018-01 111069-01 111293-04 111302-01 111310-01 111327-05 111431-01 108968-05 108972-04 108995-03 109885-08 110460-17 111295-01 108827-15 108993-05 108997-03 108999-01 109025-04 109029-02 111995-02 112001-02 111111-03 110380-04 108820-01 109223-01 109384-02 110458-02 110811-01 111308-01 111562-01 112218-01 112237-02 111297-01 111308-04 110815-01 112135-01 109159-01 111953-04 109134-26 112142-01 113261-01 110716-02 110286-05 108652-47 108652-64 108652-82 108823-01 108970-01
109936-01 110916-02 111016-01 111111-01 111141-01 112050-01 109013-02 111075-02 111382-01 113128-02 108940-37 110605-02 108940-63 111760-02 109318-26 108962-01 108987-09 108987-13 110453-03 111741-02 111844-02 108714-05 108919-14 108949-07 109142-06 108714-08 109695-03 109887-10 111337-01 109165-11 109169-12 109354-13 110813-01 111231-04 108835-02 108909-12 109152-01 108869-11 109320-04 110611-01 110614-02 110088-02 109613-03 110326-02 110335-02 109582-02 109748-03 113242-01 109167-01 109470-02 109960-01 110407-02 110603-01 110457-04 108987-07 111852-01 110750-01 110320-01 112472-01 109931-02 108921-13 108923-01 108921-15 108921-21 108604-22 111359-02 108773-12 108773-17 108773-18 109881-02 111626-01 109766-02 110423-03 112082-02 109568-03 111548-01 111323-01 109238-02 110700-01 111393-02 109727-01 109890-01 111471-03 111481-01 110068-02 109862-01 114485-01 111332-04 108569-06 109037-01 109328-02 110269-01 110322-01 110511-03 109154-09 112137-01 111883-05 112172-02 112173-01 112174-01 109935-03 110389-04 110830-02 111049-02 110831-02 110832-01 110823-03 110824-02 110825-02 110835-03 110836-03 110837-03 110848-02 110900-02 111335-08 110794-02 111789-01 111790-05 109374-06 108605-22 111360-02 112249-01 111792-03 111822-01 110150-04 109754-05 111657-01 108576-25 109718-01 111415-04 111498-04 109460-06 108606-18 108606-28 111041-04 110819-03 108914-02 108954-02 110274-03 110797-02 110888-01 111275-01 111823-01 110723-04 110127-04 111606-02 110221-06 108813-08 108981-07 109529-06 109189-04 112187-01 109128-01 109679-01 109704-02 112003-03 110927-01 110953-02 108623-02 109639-02 109667-04 109922-02 109926-02 109892-03 109924-03 108806-07 110378-06 110986-02 111269-03 111313-01 111775-01 111777-01 111088-02 112159-01 110670-01 110943-01 109244-02 110939-01 110941-02 109607-01 109642-01 109813-01 110817-01 110907-01 111073-01 111794-01 111800-01 112158-01 112168-01 112334-01 109990-01 112165-01 108808-42 111400-01 111071-01 111570-01 108897-01 108609-01 110702-01 111596-02 112183-03 112077-02 108693-06 111661-01 111787-01 111500-04 108127-05 109660-01 109039-07 108701-10 108702-05 110645-02 109715-02 112178-01 109738-01 109584-21 110644-01 109585-11 111254-01 109586-09 110208-13 112034-03

When am trying to install Windows server 2008 OS. Error msg was coming 0x80070070:"not having enough space for installation"..Even though i have 20GB space?..Pls resolve this issue earliest.

Hi Guys
I have an issue please help on that earliest.
When am trying to install Windows server 2008 OS. Error msg was coming 0x80070070:"not having enough space for installation"..Even though i have 20GB space?..Pls resolve this issue immediately.
Regards,
Shiv

Is this a clean install or an upgrade? 20 GB, though greater than the minimum, is pretty minimal. How much memory do you have on the system? 2008 would try to create a page file of 1.5x physical memory, so if you are building on a large
memory system, you could be having an issue there.
"Pls resolve this issue immediately"
Forums are not for support. They are monitored by people, like yourself, who are willing to take time out of their days to provide the benefit of their past experience. If you need support, you need to purchase a support contract from Microsoft
or some other party.
. : | : . : | : . tim

I have upgraded my snow leopard to mavericks. Now I want to install the snow leopard in a hard disk partition. But the mac refuses to start the installation app on the snow leopard dvd. What to do?

I have upgraded my snow leopard to mavericks. Now I want to install the snow leopard in a hard disk partition. But the mac refuses to start the installation app on the snow leopard dvd. What to do?

Restart the computer with the disk in the drive and the C key held down.
(107242)

Disk Partitioning Error Windows 8.1 Installation

What were the default disk partitions for Lenovo Thinkpad 11e (yoga)?? I'm trying to install clean OS for win8.1 but I keep getting an error " couldnt create or locate and existing partition:

Try using a live USB of Ubuntu 14.10, verify if the partition style is GPT instead of MBR.
Before installing Windows 8.1, delete all partitions on your HDD or SSD. And then create a new partition to install Windows 8.1 on. It will automatically also create the required smaller partitions.

Creating DAS or SAN Disk Partitions for ASM

Oracle® Database Installation Guide 11g Release 2 (11.2) for Linux (http://docs.oracle.com/cd/E11882_01/install.112/e24321/oraclerestart.htm#CHDBJGEB)
*3.6.3 Step 2:* Creating DAS or SAN Disk Partitions for Oracle Automatic Storage Management
In order to use a DAS or SAN disk in Oracle ASM, the disk must have a partition table. Oracle recommends creating exactly one partition for each disk.
My question: why does Oracle recommend creating exactly one partition for each disk? For a disk to be used on Suse Linux, I normally need to at the least 3 partitions, i.e., boot, swap, and root.
Scott

Please read the entire manual - before starting setup and configuration.
From the very same manual:
Do not specify multiple partitions on a single physical disk as a disk group device.
Oracle ASM expects each disk group device to be on a separate physical disk.So why use partitioning? If you need to subdivide a LUN into smaller LUNs and use these instead of the larger LUN. Reasons could range from LUNs bigger than 2TB in size (ASM only support up to 2TB size LUNs), to wanting partition 1's of x size for ASM diskgroup 1 and partition 2's of y size for ASM diskgroup 2.
If you do partition, take the extra precaution of marking the partition as a non-file system (partition type <i>da</i>) to safeguard against someone (like a sysadmin looking for space) from mounting it as a file system.
Generally though - I would not partition LUNs for ASM use.

Deleting VMware fusion disk partition

My HD has only a small amount of free space. 7GB. I am trying to improve things by removing VMware fusion which I haven't used for years. I think uninstalling the program will be easy. I am having trouble removing the disk partition which should free up 15GB for me.
FYI it is VMware fusion 2.0.8.
I removed the virtual machine from the library in VMware, but I believe the partition is still there.
I have located the partition via these instructions:
http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&d ocTypeID=DT_KB_1_1&externalId=1007599
According to these instructions I drag the file I located in finder to the trash and that will delete the partition. Is that correct?
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=display KC&externalId=1017838
Any help would be appreciated.
TL

I'm assuming you do not have an actual partition, but rather a container file stored under either your Documents folder or your home folder -> Library folder.
The VMware Fusion app should preferences should be able to tell you where that container file is located.
You could also try using the free OmniDiskSweeper utility (Google it). Just do not delete things you do not understand, as OmniDiskSweeper can show you essential system files you have never seen before and might think are unnecessary. If unsure, you can always ask if it OK to delete files you are unsure of.

How to reuse the same disk (partition) for next ASM configuration?

Hello All,
I had successfully installed and configured ASM instance once, but I need to do a reinstallation and I would like to use the same disk (partition) as with previous ASM configuration.
The disk path used was: /dev/rdsk/c1t3d0s7
I have to regretfully admit that I may not have used the right ASM un-installation procedure. I ran installer and opted to de-install products. Consequently, I had removed ASM home. Now, when I running new ASM installation, everything goes fine until the screen where I should select disks for ASM configuration. Unfortunately, I see the /dev/rdsk/c1t3d0s7 with status > MEMBER < and I can't select it for the new ASM installation.
I will really appreciate if anyone can let me know how to change status from MEMBER to CANDIDATE.
Thank you for your time.
DanielD

Overwrite the first several MB of the partition with /dev/zero.
So, use this command:
# dd if=/dev/zero of=/dev/rdsk/c1t3d0s7 bs=1024k count=10
That clears out the ASM header on the disk so that it looks like a clean disk again.
-- John

How can I partition the remaining space on an external hard drive for use in Time Machine?

I backed up files from my old macbook to this external drive. I want to use all remaing space for time machine on my new Air that runs OSX Lion. Please help

It is usually recommended that your keep a clone of your HD and your Time Machine backup on different drives.
You don't want your backup drive to fail and lose both your clone and your TM backup.
The answer to your question is to use Disk Utility to partition your drive. Again, you should have a backup of your drive before you partition it.
Launch Disk Utility, select your external drive > Partition > Resize the partition by sliding the tab at the lower right corner of the image > Create a new partition with the space that has been freed up.

How can I "archive" mails in Mail App to another internal drive/partition to save space but still have it searchable in spotlight (and preferably visible, searchable, draggable in Mail App)?

How can I "archive" mails in Mail App to another internal drive/partition to save space but still have it searchable in spotlight (and preferably visible, searchable, draggable in Mail App)?
Background:
I am using Mountain Lion and Mail App and running out of space on my small primary SSD drive (where I keep OS, apps, key user preferences/data and mail for speed). The mail data is the big variable (many GBs) and I want to "archive"/move some of the old mail to my 2nd drive inside the Mac. But I still want it searchable inside spotlight and preferably even inside Mail too. And I'd like to be able to still drag and drop old mails into this archive folder.
What I've tried that seems to work:
This seemed to work:
1. Move the archive folder/mailbox to the 2nd drive/partition/folder (don't delete anything inside Mail App)
2. Create a symbolic link from its new location to the original/old location
This seems to work, it looks as "normal" and as if nothing happened inside Mail App but the folder now resides elsewhere and seems searchable etc. But I'm not sure that once caches refresh or over time with updates etc if stuff will break horribly or corrupt.
Is that the right way to "archive" mails in Mail App to another internal drive/partition to save space but still have it searchable in spotlight and visible, searchable, draggable in Mail App?
Thanks in advance!
Cheers,
Daniel

I'm having a similar but slightly different problem. My company just migrated to Gmail, and it's saving mail drafts every 30 seconds into my Trash folder.
I unchecked the "Show in IMAP" preference in the Gmail settings, but my Drafts folder completely disappeared. I went back and checked it and the folder reappeared (with my drafts still in there).
I like the idea if starting an email on my laptop and having the option of finishing it on my iPhone or iPad, so only saving Drafts locally would not be ideal.

Time Machine failure: Disk run out of space unexpectedly

Hi
I'm having serious problems in the last few days with Time Machine backups.
I have an iMac '27 (late 2009) running Mountain Lion 10.8.2. The internal disk is 1 TB, and I use an external FW HD LaCie d2 Quadra 1 TB for my TM backups. After 3 years the disk is always full, but old backups were regularly removed. All the possible source of large variable files were excluded long time ago (VM disks, temporary directories, large download files).
TM used to work quite smoothly, but now, since 10 days, the backup fails with the message
"The backup disk ran out of space unexpectedly. Time Machine will try to make more space available by removing expired backups during the next scheduled backup."
I've checked previous messages in the forum about such an error, but the various cases do not seem to match my specific problem (or I was not able to find the message with working answer).
It seems that the "unexpected" problem is related to the fact that Time Machine is trying to backup again a large part of my filesystem, and it determines this fact only after the backup starts (so there is no pre-cleaning): when it happens I can see that the target size of the backup increases over time, while more and more data are written on the disk, until the disk is full.
I'll try to summarize my situations with an itemized list:
The current backup fails because it runs out of space, leaving an .inprogress file behind
The latest backup did not fail: the log report a successful backup (checked with Time Machine Buddy)
Examining the content of the latest backup, the one that did not fails, shows that some system directories, /Applications, /usr, and /bin are missing
So, possibly, the "unexpected" error happens because the system is backing up a lot of stuff (like 60GB), and TM discover this only after it starts writing the files
I've verified with Disk Utility both the TM disk and the internal HD, and they both report no problem.
After some digging around, I was able to make TM work again removing the .inprogress file (using the Pondini instructions), removing (using the "Star Wars" interface) the latest backup, the one with the incomplete content, and removing a few older backups to create some more free space.
The first time I thought it was a transient problem, but it happened again after a few days.
So the real issue is, why the latest successful backup is actually incomplete, with a large number of directories missing, but there is no hint of this in the logs?
I've read that old LaCie HDs might have problems with Mountain Lion, and with its power saving settings. May this be the cause? I did already turn off the power saving setting (put HD to sleep when possible) before the latest failure, but nothing changed.
I've also tried to update the d2 Quadra firmware, as indicated by other messages and on LaCie website, but the update fails and the provided instructions are less than useful (I'll try to contact LaCie on this issue).
My doubt is that this does not seem a power save issue... the failed backups happen while I'm actually using the machine (so no wake up/disk spin issue seems to happen), and the backups starts with no problem: they just finish abruptly with no apparent reason but with a success message.
Does anyone have problems similar to mine (successful but incomplete TM snapshots)? Is the problem triggered by the HD firmware, or there are other possible causes?
I plan to repair the TM one more time, and then keep it turned off to run only manual backups, but I'm aware that there is no guarantee that also a controlled manually started backup is not going to fail in a similar way.
Thanks for any suggestion.
Maurizio

I am not running out of space, but I do have the same problem. Every so often TM does a backup which is about 60 GB bigger than expected.   The extra is always a new backup of /System /Applications /usr etc. - that is the 'system files'.
The key thing is, as you have noticed:
Examining the content of the latest backup, the one that did not fail, shows that some system directories, /Applications, /usr, and /bin are missing
As a consequence the next backup is, in my case, 60 GB bigger because it includes all the system files.
It is as if 'systemFilesExcluded' was turned on for the previous backup (the one that 'did not fail'). But I have looked in the .exclusions.plist for this backup and it is exactly the same as for other backups and does include:
        <key>systemFilesExcluded</key>
        <false/>
It seems that TM is treating this as if <true/>.
Like you, I have done a disk verify and it finds no errors.
I think this must be a bug. I have had this on four occassions since upgrading to Mountain Lion. And it is doing a large one right now - I have caught it in the act!

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