Disk partition for Thinkpad W520

I bought a machine of thinkpad w520. I want to partition my disk for three. How to do this? also it can not affect the rescovery disk. thank you for your advice.

Create recovery media first, so you can restore if anything goes wrong.
I'd say shrinking C: and creating some more logical partitions should work.
W520: i7-2720QM, Q2000M at 1080/688/1376, 21GB RAM, 500GB + 750GB HDD, FHD screen
X61T: L7500, 3GB RAM, 500GB HDD, XGA screen, Ultrabase
Y3P: 5Y70, 8GB RAM, 256GB SSD, QHD+ screen

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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.

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

Disk partitions for ASM

A client of mine is installing ASM and I have concerns about their proposed configuration. I'd like to run it past this forum to see if my concerns are justified.
This is a non-RAC 11g install on RHEL5. We have 32 disks (2 vtracks X 16) of 144GB each. This storage will be used for 2 DEV databases running on the same machine. They want two diskgroups per database-- one for the Flash Recovery Area, and another one for everything else.
The client's SA wants to spread the IO out across all the disks, so he has made 4 partitions on each of the 32 disks: one partition for each diskgroup. So the final allocation of disks is going to look something like this:
create diskgroup DEV1_DATA
normal redundancy
failgroup vtrak1_1
disk
    'ORCL:DISK01_P1'
    'ORCL:DISK16_P1'
failgroup vtrak2_1
disk
    'ORCL:DISK17_P1'
    'ORCL:DISK32_P1'
create diskgroup DEV2_DATA
normal redundancy
failgroup vtrak1_2
disk
    'ORCL:DISK01_P2'
    'ORCL:DISK16_P2'
failgroup vtrak2_2
disk
    'ORCL:DISK17_P2'
    'ORCL:DISK32_P2'
create diskgroup DEV1_FRA
normal redundancy
failgroup vtrak1_3
disk
    'ORCL:DISK01_P3'
    'ORCL:DISK16_P3'
failgroup vtrak2_3
disk
    'ORCL:DISK17_P3'
    'ORCL:DISK32_P3'
create diskgroup DEV2_FRA
normal redundancy
failgroup vtrak1_4
disk
    'ORCL:DISK01_P4'
    'ORCL:DISK16_P4'
failgroup vtrak2_4
disk
    'ORCL:DISK17_P4'
    'ORCL:DISK32_P4'
;OK? So here's my problem:
This means that two separate databases will be sharing the same physical device and that this will result in IO contention. Am I not right? Or is ASM smart enough to deal with this?
The client says that the more disks we spread data across, the better the performance will be. But I am doubtful.
Trouble is, I have never set up ASM in this way; I have only added whole disks to diskgroups. Would anyone care to comment on this setup? Are my fears justified?
Thanks.

Hello,
This means that two separate databases will be sharing the same physical device and that this will result in IO contention. Am I not right? Or is ASM smart enough to deal with this?
ASM is smart enough to deal with 2 database or more, but my concern should be if ASM instance is down or crashes it will take both the database down.
The client says that the more disks we spread data across, the better the performance will be. But I am doubtful.
Always test, and i tend to agree with the client but that doesn't mean it wil be the case all the time. So once again test.
Trouble is, I have never set up ASM in this way; I have only added whole disks to diskgroups. Would anyone care to comment on this setup? Are my fears justified?
I didn't quite get this question, can you elobrate more here.
Regards
Edited by: OrionNet on Mar 9, 2009 4:40 PM

Lost my disk partition for VMWare

I update to Lion, I had a partition for My Virtual Windows DOS to run some resident programs. Now I can not find the partition or any shortcut to find it. I do not what to do.
How may I see the partition without running my time machine to return to the previous OS.

Yes I think It does, it stills there..
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *160.0 GB   disk0
   1:                        EFI                         209.7 MB   disk0s1
   2:                  Apple_HFS LDZ                     110.1 GB   disk0s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3
   4:       Microsoft Basic Data WIN XP                 49.1 GB    disk0s4
Now the message while I try to open the WMWare
This version of VMware Fusion does not work with the 64-bit kernel of Mac OS X you are currently running.
To use VMware Fusion, you need to restart your computer using the 32-bit kernel of Mac OS X.

Disk partition for install Boot Camp

Hi there
Finally yesterday i get my iMac 20, but with 10.4.10 installed. Now i want to install Boot Camp to install WindowsXP.
My question: I really need to make a partition to install Windows on a disk and the MacOSX in the other partition ???

junihh wrote:
Thanks XNAV for your answer but i better get Parallels, because i love the option that i can use the windows from PC as independent window, like a Mac window.
Thanks again.
LATE post - for those who come after:
Boot Camp REQUIRES a single, JOURNALLED HFS+ partition (created after midnight on a full moon's wane...*grin*...It's very Particular...) as a starting point - so you better give it one.
In response to junihh's other point: Parallels can be told to use the BootCamp partition as it's very own HDD so, my suggestion would be (as I happen to agree with you): DO IT that way and get the best of all worlds... you can STILL can use the windows from PC as independent window, like a Mac window.
DISCLAIMER:
: I've been in this Industry a loong time. I know a lot of people... I will always disclaim/note any pecuniary interest(s) which I know of (or remember) that're *closely relevant* BUT, MY advice will always be based on whether I'd recommend to Product or Company to a good friend -never- on $ or other considerations (I may dislike a bloke intensely but his Company may put out great software. If it does, I'll commend it to you)
-simple example: I have some Apple shares. I could even own soft MircoSoft shares.. or other companies... I Don't manage all that and couldn't tell you so I'm not going to Iist them. with over 35 years in, in a very Busy Oz-based career in everything from Mainframes to Micros, I've encountered just about everyone some time *grin* - some grrls n Boys I knew way back are VIPs running multnationals... many, I've lost track of. You can trust the statement above: my integrity has never been for sale (any offers ? :]) If the product's good, I'll say so - for -that- reason. (I think I'll put this Epic in my profile and simply POINT to it... :))

Disk Partition for EHP4/Windows server 2008/SQL server 2008

Hi All
What is the drive partition recommendation for EHP4 ERP6 on Windows server 2008 and SQL server 2008? I have checked the notes/ SAP Documents but have not find any information related with SAP recommendation on this. Please help.
I need the recommended partition size for SAP application , transaction log, SAP datafiles , MS SQL server installation files for DEV/QUA/Production
If you have a similar landscape for EHP4 , can you check in your DEV,QUA, Production set up and tell the allocated and used partition size for SAP application, transaction log, SAP datafiles, MS SQL server installation files.
Regards
Sahad

Hello Sahad
As described by Markus and also, i want to share my company landscape information.
We are using HP SAN Environment with using the SAP SR2 SQL 2005 and Win 2003 on HP Itanium Processor.
We had reserved and present the following vdisk from the SAN Environment to the PRD server.
F:\DATABASE                     600GB   RAID 5      ( still 200 GB free ** we lived our system on 1 Aug 2007)
L:\TRANSACTION LOG         30GB   RAID 1      ( Expanded up to the disk space ** make backup 4 times a day )
T:\TEMPDB                              1GB   RAID 1
K:\KERNEL                         100 GB   RAID 5       (30 GB Free ** updaing kernely and EW tools upon the latest availability)
Regards
Anwer Waseem

Disk Partition for Windows failing

Hi Everyone,
May you pls help me on the following (for iMAC OS X Version 10.5.8):
Wanted to partition main disk into two one for MAC OS the other for Windows 7 Pro, however, I'm getting error message ' Filesystem verify or repair failed'.
Tried to fix it via Applications / Utilities / Utility Disk / First Aid / Verify Disk Permissions + Repair Disk Permissions + Verify Disk - didn't help.
I'm getting two errors on the detailed report:
1. The volume HOME need to be repaired 1%) ->>>> that's for checking volume information and
2. incorrect number of file hard links ->>> that's for checking multi-linked files
What do I need to do next to have this fixed?

Thanks rkaufmann87. Just one more question: can I loose data? The data file is v.big, it will take me the whole day to make a backup. I'm far far from being an expert (as I see you are!), so, will you give me few hints how it will work: so, I'm inserting a CD, Mac OS X will be installing on top of the existing? will any list pop, so I may choose 'repair disk' ? What is the abbreviations for DU by the way? Sorry for silly questions (they kinda don't look so silly to me though )

Disk partition for Arch only

Hi,
at present I have Dual boot Arch with Windows. My HD is 120 GB and I want to re-partition it for using Arch linux only, plus leaving around 20GB for trying from time to time other distros. My question is how to do it properly? I have done a lot of reading, but Im still unable to decide how to go about. Now, for Arch I have only two partitions: / and /swap.
(1) Do I need /boot partition after deleting windows?
(2) Im reading that it is advisable to have /home and /usr partitions separate from / partitions. If that so, how much space should be allocated for each of these partitions?
(3) What should be the order? /boot; /swap/; /; /home; /usr?
Thanks for any suggestion.

1) Not necessarily, but it is probably best if you are going to try out other distros.
2) I don't separate / and /usr. I have 10Gb for / - add more if you are going to install lots of stuff. How much does you install use currently minus your home direcotry?
3) /boot first, nothing else matters but I go /boot; /swap; /; /home - I think stuff near the start of the disk gets read faster so if you hardly use swap move / to second
Last edited by Allan (2008-04-10 03:11:25)

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.

I am setting up a time machine backup to a external Hard drive. I want to backup by Mac book Pro running OSX 10.8.5. I would like to Partition the disk and use one partition for Time machine backups and the other for my Lightroom backups. How to do this?

I want to create a two partition disk. One partition for time machine, the other for Lightroom backup. Currently Time Machine is using the entire drive and it is doing the intial encryption and is about 29% complete after two days. I've decided that I want to turn encryption off and partition the disk. So I do I start over?

With the external drive attached, open Finder>Applications>Utilities>Disk Utility. Select the external drive from the list in the left side panel of the DU window. In the main window panel, click Partition in the buttons top center of that panel.
Select the number of partitions you want and adjust their sizes.
For the first partition, click to highlight the partition, then select the format, Mac OS Extended (Journaled) and then the partition table as GUID [both of those are the defaults]. Click Apply and it will ask to confirm and erase and format that partion...oh, give the partition a name, like Backup.
Then repeat those steps for the second partition..and remember to name it...something like Lightroom.
Close Disk Utilitty and you are ready to send TM to the one partition, and do your backup of Lightroom to the second partition.

Disk partition issue.Cant allocate the free space for windows.ls help.

I have created a partition for OS X (200GB journaled, encrypted) and also left 51GB unallocated for Boot Camp later on.
After I successfully installed OS X 10.9, I wanted to install Windows 8.1 with Boot Camp. But Boot Camp only wants to shrink the Macintosh HD partition, and doesn't want to use the free space left on the drive. So I switched to Disk Utility, to try it that way. But in Disk Utility I wasn't able to create a new partition (if I press the 'partition' button it just doesn't do anything).
Next, I tried to switch of File Vault 2, let it decrypt itself, restart, and then try it again in internet recovery mode. But still, I cannot expand the Macintosh HD-partition or create a new partition.
Disk Utility log:
2014-09-04 00:42:31 +0200: Preparing partitioning: 'APPLE SSD SM256E Media'
Also, Disk Utility tells me there is 200.000.000.000 bytes of 200.000.000.000 bytes used, and 0 bytes of free space. Even though not even half of the drive is colored blue (which displays the amount of data on the drive). Finder tells me only 88GB is used.
I used the new installation for no longer than half a day, so there can't be issues that data is spread over the whole volume. Disk Utility can't find any problems, and tells me the disk and all of her volumes are okay (in green texts).
I also tried to start from a windows-install-usb, and tried to make a partition of the 'unallocated space', but then Windows tells me that it fails because the volume is part of the 'GPT partition style'.
What do I have to do to repartition my volumes!?
I'm using a MacBook Pro Retina 15" (MacBook Pro 10,1) with a 256GB SSD (251GB according to OS X).

As you're finding, a limitation of basic disk is that it only allows 4 primary partitions or 3 primary partitions and an extended partition.
http://technet.microsoft.com/en-us/library/dd163549.aspx
For information on converting basic to dynamic as well as considerations prior to doing so, consult this article. It should help you make a decision whether or not you want to convert the disk:
http://technet.microsoft.com/en-us/library/dd163552.aspx
If you decide to convert, get a backup so that no matter what you're covered. Not that it's risky, but better safe than sorry.

Can AMS disks be in different Partition for a database

Hello All,
I have 2 datababase on the server. I save all the datafile on MDMDISK1 for MDM database and on DWHDISK1 for DWH database.
Can I add /dev/sdd5, /dev/sdd6, /dev/sdd7 to DWHDG1 disk group to give more space to DWH database.
Disk Partition Table Configuration
Disk Name     Size GB     ASM Disk Disk group
/dev/sdd (LUN)     107
/dev/sdd1     7     CRSDISK1
/dev/sdd2     7     CRSDISK2
/dev/sdd3     7     CRSDISK3
/dev/sdd4     8
/dev/sdd5     24
/dev/sdd6     24
/dev/sdd7     24
/dev/sde (LUN)     107
/dev/sde1     24     MDMDISK1 +MDMDG1
/dev/sde2     24     MDMDISK2
/dev/sde3     24     MDMDISK3
/dev/sde4     24     MDMDISK4
/dev/sdf (LUN)     107
/dev/sdf1     24     DWHDISK1 +DWHDG1
/dev/sdf2     24     DWHDISK2
/dev/sdf3     24     DWHDISK3
/dev/sdf4     24     DWHDISK4

user5846399 wrote:
but I wanted some assurance with experience people like you'll that disk on differnet LUNS will not hamper the performance.A LUN is a logical unit - it can consist of a single physical drive. It can consists of 20 physical drives. So the LUN itself does not determine performance. Performance is determined by the moving parts underneath it.
Using multiple LUNs for the same diskgroup or file system volume is a common practice. Whether that would be a problem (performance or otherwise) depends on the stuff underneath the LUN.
For example one LUN could be RAID5 and another LUN can be RAID0+1. Mixing different RAID levels is not really a good idea.
One LUN can be storage on a SAN and accessed via fibre channel. Another LUN could be an iScsi device accessed via IP. Mixing very different storage architecture and storage protocols are not a good idea.
One LUN can be RAID0, running via dual fibre channels connected to a switch, for storage from storage server 1. Another LUN can also be RAID0 and accessed via the very same fibre channels and switch, but from storage server 2. In which case the RAID levels are the same and the storage protocol and infrastructure the same - and this will not only make a compatible mix, but can in fact increase redundancy if you use these as ASM mirror disks (meaning that ASM can loose either storage server 1 or 2 and still work).

Disk Permissions for OS9 Partition?

I am running 10.3.9 and OS9 on separate partitions. What are the correct disk permissions for OS9 when running in OSX. When I install from the restore disks it only lets me install on the OSX partition(owner-root/group admin). I have dragged the OS9 system folders over to the freshly formatted OS9 drive but my permissions on that drive are owner-mbell/group-mbell. Should I change the disk permissions to the same as the OSX drive or will they work with myself being the owner of the drive?

...

Disk Utility stuck on "updating boot support partitions for the volume as required"

Tonight when I mounted my Time Machine drive (a WD My Passport drive), it failed to mount properly, and I received a warning from Drive Genius that it needed repair. But when I launched Drive Genius, the disk would not show up.
Through a series of mounts, unmounts, and sleeping the computer, I managed to get it to show up in Disk Utility, so I seleted "Time Machine Backups" under the main listing for the drive ("319.37GB WD My Passort..."), and clicked Repair.
The detail window showed "Volume repair complete" almost immediately. But for almost four hours now, it's been stuck on "Updating boot support partitions for the volume as required."
Meanwhile, Activity Monitor has been showing fsku_hfs taking 30%-85% of the CPU the whole time.
Anyone have advice?

Apparently not:
Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.
But when I ran Disk Utility again this morning, not on the Time Machine Backup, but up the hierarcy on the level labeled "319.37GB WD My Passort...," I got...
The volume Time Machine Backups appears to be OK.
And now the drive seem to be OK.
I think I'll still offload everything and reformat it.

Disk partition for Thinkpad W520

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