Moving partitions

Hi guys.
Based on a new request, i need to create a script to backup and delete old data from our huge and many tables, which are growing a lot every day.
Backups to tapes will be done by db admins, so my sript should just move old partitions. I was thinking about to create extra tablespace where i will be moving those old partitions and data from this tablespace will be put on tapes and deleted later on. All tables are partitioned by time.
Could you please advise me how should i do so ? What is the best way to move huge partitions to diff. tablespace. Script will be run one per day
Thanks a lot

dusoo wrote:
No reply, so i guess there is no better way in ora10 for moving partitions between two partitioned tables ?
I still need to move it from source part. table to a non-part. table, and from there to the final part. tableYou need to understand that this two-way operation is not expensive if you simply want to bring a partition from one partitioned table to another one which is having the same partition boundary definitions. You're simply performing two exchange partition operations (partition<->unpartitioned, unpartitioned<->partitioned) which optimally can be pure data dictionary updates (there are exceptions to this rule if you e.g. have enabled unique constraints then the validation can not be skipped (WITHOUT VALIDATION clause)) and don't involve any actual data movement.
The expensive part in your particular case is the actual data movement to a different tablespace. The question is do you need to move the segments to a separate tablespace? Probably yes if you want to use a backup method based on binary copies of datafiles and tablespaces like RMAN. A logical export of the tables e.g. using datapump could be restricted to tables and/or partitions so you wouldn't need to perform an actual data movement.
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle (Open source Oracle GUI for Windows):
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/

Similar Messages

MOVED: Partition Magic

This topic has been moved to Off-Topic Technical.
https://forum-en.msi.com/index.php?topic=110872.0

Hi !
Isn't Disk Utility a good choice for you ?
JPM

Dual boot, UEFI and partitioning

Got a new computer which I put my old disks in. After a while I got them to
boot properly but I'm going to take the time to go from my current MBR setup to
GPT.
The idea
I have three disks, 480GB SSD, 640GB HDD and 2TB HDD. The idea is to use the
SSD for root and /home and then let the data on the 2TB be as it is (for now).
I will go all LVM on the SSD and 640 HDD (except for a part which will be for
windows 8). When I invest in a new disk (2TB) I will make the current 2TB LVM
as well as that new one so that moving "partitions" (LVM volumes) easier
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Questions
Will I still be needing something like syslinux/grub with UEFI? For the windows
part, will that require some sort of EFI partition and should I create that or
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200.5GB-END)?
If a bootloader is needed, can I put that on my SSD and still boot windows from
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Will there be any problems with having one disk still as MBR (I don't have the
space needed for backing up those 2TB currently)?

xintron wrote:Will I still be needing something like syslinux/grub with UEFI?
Booting an OS always requires a boot loader. The details of what boot loaders are available varies from one platform and OS to another, but a boot loader is a necessity. My Web page, Managing EFI Boot Loaders for Linux, describes the options for booting Linux on an EFI-based computer. SYSLINUX and GRUB are both options, but there are others, too. My personal preference is to use the EFI stub loader with rEFInd, but as I'm rEFInd's maintainer, I'm not exactly unbiased.
For the windows part, will that require some sort of EFI partition and should I create that or just leave 200GB + 500MB space at the beginning of the 640GB disk (and LVM on 200.5GB-END)?
EFI systems require an EFI System Partition (ESP) to boot any OS. (An exception is EFI-based Macs, but they're just weird all around.) I recommend a size of 550MiB for the ESP. Many Arch Linux users like to mount the ESP at /boot, since that simplifies kernel management with certain boot configurations.
If a bootloader is needed, can I put that on my SSD and still boot windows from the HDD in an easy fashion?
Yes, at least in some sense. Boot loaders normally reside on the ESP, which is normally shared between OSes, although there are exceptions to both of these rules. The Windows C: partition is separate from the ESP. In theory, the two can reside on different disks, although in practice I'm not sure how the Windows installers and other tools would cope with that type of configuration. In theory, you can also have multiple ESPs (on the same or on different disks), although the Windows installer flakes out when there are multiple ESPs on a single disk. I'm not sure how the Windows installer copes with a system with multiple ESPs, each on its own disk.
Note that putting the boot loader on the SSD is something of a waste, since the boot loader is normally accessed only during the boot process, so there's relatively little speed gain from putting it on an SSD vs. on a regular hard disk.
Will there be any problems with having one disk still as MBR (I don't have the space needed for backing up those 2TB currently)?
You can mix MBR and GPT; however, on an EFI-based computer, Windows must boot from a GPT disk. (In a conventional setup, this means that C: must be a partition on a GPT disk.) Some EFIs also require that the ESP be on a GPT disk, although I'm not sure how common this requirement is.
It's possible to convert MBR to GPT without data loss by using gdisk, so you can easily convert your 2TB disk to GPT without doing a backup. This operation is actually safer than it might seem, since the MBR and GPT data structures are quite simple, so there's little that can go wrong compared to, say, resizing a partition. That said, there's still some risk, so if you're not booting Windows from the disk, you might want to just leave it as MBR. Also, some MBR-to-GPT conversions will require shrinking a partition, so you'd need to do that in GParted or some other tool before doing the conversion. Of course, you should always keep backups of important data.

I need more space. How can I resize partition?

my /dev/sdb4 is a NTFS partition that has 454.4 GB total, and 392.2. GB free. I've got /home on /dev/sdb3. Can I resize my NTFS partition (sdb4) to make is smaller, and then make my sdb3 bigger without losing any of my data on the NTFS partition?
btw, / is on /dev/sbd1/
Last edited by ronandi (2008-05-05 23:20:38)

Statix wrote:
If you are running arch off your hd, yes you will need to make a cd/usb.
And windows doesn't mind resizing in my experience. It just runs a disk check after with no problems.
In this situation, it appears the partition will have to be moved.
Last time I moved my vista partition, I had to fix it with the install disk.
Don't know about XP, never tried moving partitions in it.

Partition exchange error on table with nested table

On Oracle 11.2.0.1, I have a partitioned table with some partitions that need to be 'archived' (in terms of moving partitions to an 'archive' table).
I have a source table like:
CREATE TABLE IS_PODACI245
ID_OBJEKTA_IDENTIFIKACIJA NUMBER(10),
ID_OBJEKTA                 NUMBER(20),
DATUM                      TIMESTAMP(6)       NOT NULL,
TZ                         NUMBER(3),
DATA1                      NUMBER(10),
DATA2                      NUMBER(6),
DATA3                      NUMBER(10),
DATA4                      NUMBER,
DATA5                      T_NTCIP_CLIMATE_TABLE
NESTED TABLE DATA5 STORE AS IS_PODACI245_STORE_TABLE
TABLESPACE DATA
PARTITION BY RANGE (DATUM)
PARTITION P_201107 VALUES LESS THAN (TIMESTAMP' 2011-08-01 00:00:00')
    LOGGING
    NOCOMPRESS
    TABLESPACE DATA,
PARTITION P_MAXVALUE VALUES LESS THAN (MAXVALUE)
    LOGGING
    NOCOMPRESS
    TABLESPACE DATA
NOCOMPRESS
NOCACHE
NOPARALLEL
MONITORING;
CREATE INDEX IDX_IS_PODACI245_KOMPLEKS ON IS_PODACI245
(ID_OBJEKTA_IDENTIFIKACIJA, ID_OBJEKTA, DATUM)
TABLESPACE DATA
LOCAL (
PARTITION P_201107
    LOGGING
    NOCOMPRESS
    TABLESPACE DATA,
PARTITION P_MAXVALUE
    LOGGING
    NOCOMPRESS
    TABLESPACE DATA
NOPARALLEL;
CREATE OR REPLACE TYPE t_ntcip_climate_table as table of t_ntcip_climate_fmt;
CREATE OR REPLACE TYPE t_ntcip_climate_FMT as object
( dev_index number(6)
,   dev_description varchar2(512)
,   dev_type number(10)
,   dev_status number(10)
,   dev_mfr_status varchar2(512)
,   dev_active number(3)
,   dev_test_activation number(10)
/I would like to make exchange partition using stage table, and everything is going fine on all tables, but only on a few of them (listed source is one of them, and they're only tables with nested tables wihin), where I get an error.. but sometimes ;)
on a statement like:
ALTER TABLE IS_PODACI245_ARH EXCHANGE PARTITION P_201106 WITH TABLE IS_PODACI245_STAGE EXCLUDING INDEXES WITHOUT VALIDATION;I got an error:
ORA-00001: unique constraint (TXV.SYS_C0032911) violated
it's an unique index between parent and nested table.
what could cause that problem?

Dear,
I suppose that the unique constraint
ORA-00001: unique constraint (TXV.SYS_C0032911) violatedis the one you 've created on the nested table IS_PODACI245_STORE_TABLE
If so, why not disable that constraint and try again.
I have never exchanged such a kind of partitioned table having a nested table in it. But, I could imagine that the cloned non partitioned table IS_PODACI245_STAGE should at least be the exact image of the partitioned table IS_PODACI245_ARH (of course without the partition part) but with the nested table part and including all indexes
In addition, if you have a parent/child relationship between your partitioned tables, then there is a chronological order of exchange starting by the child and then finishing by the parent
see the following link for more information about this order of exchange (and comment 2 for an example also)
http://jonathanlewis.wordpress.com/2006/12/10/drop-parent-partition/#more-65
Hope this helps
Mohamed Houri

After table partition, some transactions hang

I am running SAP 4.6 and Oracle 10.2
I recently used online reorg to partition table DFKKOP (over 100 million records) into two parts. One partition was for "closed" orders, and the other was for "open" orders (less than 2% of the rows).
Since most of the queries against this table were against open orders, access times improved dramatically (one query went from 20 minutes to 20 seconds).
Unfortunately, while it was on a test system, our developers discovered that this caused transactions FPL9 and CIC0 to hang. To prove that it was the partition causing the hang, we used our "snapback" ability to return the database to the point in time prior to the partition (we did this twice), and the problem disappeared. Other than these hangs, the database seemed to work normally.
Does anyone have an idea why this might be happening? BTW - I had "row movement enabled", so that's not it. I have found nothing in SAP notes or on this forum.
Thanks.

>
Sandeep Pasumarti wrote:
> i am also thinking of partitioning a large table - custom table - that we use instead of glpca.. it is 40gb..would you happen to have a how-to approach in doing that? how did you handle the abap dictionary side? - or do you just do on oracle...thanks!
>
> ps i was thinking on doing something fiscal year.. or acct number range...not sure how i could partition FY for years moving forward...meaing fy 2002 is one partition, 2003 is another, etc...
Hi Sandeep,
Partitioning is a really cool feature - but it must be valued against your primary goal you want to achieve.
it has an influence WICH partitioning method you have to use AND wich partitioning keys you have to find.
If you see it like a triangle you can have these goals:
Performance
Administration Availability
you will hardly achieve all three (wich means you generate some overhead for the other goals).
It may that you are in a corner of one goal - see the location of (*)
Our goal was improve write performance (in the 1st place):
We did it on a SAP BW system on our own Z tables wich were growing bigger and bigger ( several hundreds of GBytes). As we debugged how BW itself managed the partitions we used this and a little ABAP to maintain the partitions for our own tables.
Our's was range partitioning with an Identifier (INT4) used as a sequence to flagg present and historical calculations as a partition key. We could now TRUNCATE the partitions instead of DELETE (the UNDO generation blew up our batch time window for computations of figures).
And yes we benefit from partion pruning - as far you had a lot of full table scans wich are now turned into partition scans. Index accesses benefit not that muxch from paritioning - but it reallly depends on your application HOW it uses the data.
All your queries should use the partition key as a criteria (in your case FISCYEAR) - otherwise you make things worse.
Be aware that you have to use the right data type (imagine a range partiton on a Varchar2 column
like the NUMBER data type in SAP tables) and evaluate it carefully against the partiton type you choose.
There are some pitfalls like moving partition keys (wich you have to avoid ).
There is the overhead of creating / dropping/ merging partitions and who is responsible for it (in our case
the application and not an SAP admin).
Maintain all indexes as local
You can use BRSPACE to partition the table , with your 40 Gybte SE14 could be also used as you can define the partitions (hopefully you are at least on a 6.20 system).
For our system it was essential
1) to fully understand the concept of partitioining (seems obvious, but guess where things most fail)
2 that it is supported by standard SAP tools (as in SE14 or BRSPACE)
3) to write an interface to handle the partitioning without involving a DBA
(imagine you have a process chain that uses your partition table and you have to provide a new partition while running the chain).
We run it now for more than a year and it was a good decision to move to partitioning.
Now we will extend the feature and use it for archivals on a partition basis.
Bye
yk

Tablespace move in partitioned tables

I moved partitioned tables in new tablespace dedicated for 2006 data, do i need to move table relaed indexes in new tablespace also.?

No,
global Indexes will be invalid and have to be rebuild. If you have local Indexes you only have to rebuild the affected partitions. Nothing else to do.
Dim

Move Partition from HP Disks to HC Disks

Dear All,
We have Exadata -V2 quarter rack with High Performance Disks. We applied EHCC's various compression methods on some of the table's partitions.
Now we are setting up Exadata Expansion Rack - High Capacity Disks.
Post implementation, we would be moving older partitions to new Expansion Rack wherein compressed partitions are also included.
In this case, would there be any impact on the compression ratio as the expansion rack is having high capacity disks.
And, moving partition method would be same as it is for non-exadata database i.e. "alter table <table_name> move partition <partition_name> tablespace <tablespace_name>"
Please suggest.
Regards,
Saurabh

877938 wrote:
In this case, would there be any impact on the compression ratio as the expansion rack is having high capacity disks.The compression ratio will be unaffected since it is determined by the data itself and not where it is stored. Where you may feel the affects is with the slower IOPS of your new high capacity disks.
And, moving partition method would be same as it is for non-exadata database i.e. "alter table <table_name> move partition <partition_name> tablespace <tablespace_name>"
Correct, unless it is possible for you to use transportable tablespaces. That would most likely be preferred. If that won't work for your environment, a couple of things to keep in mind, was the compression configured at the tablespace, table, or partition level? You want to make sure your compression intentions are persisted as you move to the new tablespaces.
And don't forget your indexes :)

Cannot Recognize Drive / Deleted Partition Mapping?

So, I was moving partitions in VolumeWorks and accidentally ejected the Lacie Disk. Now whenever I try to use it i get this:
[img]http://img141.imageshack.us/img141/4281/erroram9.jpg[/img]
I clicked initialize once, but I closed DiskUtility and it never had time to do anything. I know this because I can still use DataRescue to get my files. The problem is, the files will not be named or organized correctly! On diskutility, it will NOT let me mount the the drive (although it still shows the icon on disk util) so I cannot repair it. Please help!
Edit:
Shoot, apparently initializing it removes the partition map :O. How can I get the partition structure back in place?
Message was edited by: ParkerKuivila

Hi! Diskwarrior under 10.4 is about the only app that "might" reconstruct the directory. Otherwise using the data recovery software you mentioned is your other possibility. Tom

Compressing partition table

Hi Gurus,
I have to compress partition tables which has global(non-partitioned)indexes.If the do the partition compress with ALTER TABLE MOVE PARTITION COMPRESS this will invalidates the global indexes .
Can i use update global indexes with the above statement?or there is no way to avoid global indexes going invalid during the compress operation?
Synatx for compressing partition with update global index would really help me.
Thanks

Hi,
Have a look at:
http://download.oracle.com/docs/cd/E11882_01/server.112/e17118/statements_3001.htm#BABDIDEJ
If the moved partitions are not empty, then the database marks them UNUSABLE. The database invalidates global indexes on heap-organized tables. You can update these indexes during this operation using the update_index_clauses.
Regards
Maurice

Get/Put occurs when a partition rebalance is underway

What happens when, for a distributed cache, rebalancing of partitions is underway and a get or put operation comes through? Does the get/put get blocked till the rebalancing of partitions is completed?

962776 wrote:
What happens when, for a distributed cache, rebalancing of partitions is underway and a get or put operation comes through? Does the get/put get blocked till the rebalancing of partitions is completed?It is going to be resent by the requesting node to the new owner once that is known, and is going to be executed there after the new owner received the moved partition data and populated the backing map with it, i.e. it is going to be delayed a bit (or more, depending on among others network bandwidth).
Best regards,
Robert

Error 0x80070057 when configuring Windows 7 Backup even after repair installation !

I've started getting Error 0x80070057 when trying to configure Windows 7 SP1 Backup "The parameter is incorrect".
Already did the following:
- http://support.microsoft.com/kb/982736/pl
- chkdsk c: /F /R (no errors)
- sfc /scannow (no errors)
- registry tweaks
- removing old registry backup entries
- moved partition to a different disk
- in-place repair install !!!
AND NOTHING !

Nothing wrong with sfc /scannow
Event viewer show such errors:
Błąd składnika Express Writer: nie można dodać składników Express Writer z katalogu System.
Operation:
   Initializing Writer
   Gathering Writer Data
   Executing Asynchronous Operation
Context:
   File Path: C:\windows\Vss\Writers\System\
   Execution Context: Requestor
   Current State: GatherWriterMetadata
Error-specific details:
   Error: FindFirstFile(C:\windows\Vss\Writers\System\*.xml), 0x80070002, The system cannot find the file specified.
Błąd Usługi kopiowania woluminów w tle: nieoczekiwany błąd podczas badania interfejsu IVssWriterCallback. hr = 0x80070005, Access is denied.
. To jest często spowodowane przez niepoprawne ustawienia zabezpieczeń w procesie zapisującym lub żądającym.
Operation:
   Gathering Writer Data
Context:
   Writer Class Id: {e8132975-6f93-4464-a53e-1050253ae220}
   Writer Name: System Writer
   Writer Instance ID: {06036e1a-27d9-4b22-8aa2-1975e33169ca}
Błąd Usługi kopiowania woluminów w tle: nieoczekiwany błąd podczas wywoływania procedury RegSetValueExW(0x000001ec,SYSTEM\CurrentControlSet\Services\VSS\Diag\Registry Writer,0,REG_BINARY,000000000297EEB0.72). hr = 0x80070005, Access is denied.
Operation:
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Context:
   Execution Context: Writer
   Writer Class Id: {afbab4a2-367d-4d15-a586-71dbb18f8485}
   Writer Name: Registry Writer
   Writer Instance ID: {232c094d-e556-42cc-9c03-4544badc76e0}
Błąd Usługi kopiowania woluminów w tle: nieoczekiwany błąd podczas wywoływania procedury RegSetValueExW(0x0000031c,SYSTEM\CurrentControlSet\Services\VSS\Diag\VssvcPublisher,0,REG_BINARY,00000000041EF220.72). hr = 0x80070005, Access is denied.
Błąd Usługi kopiowania woluminów w tle: nieoczekiwany błąd podczas wywoływania procedury RegSetValueExW(0x000001f4,SYSTEM\CurrentControlSet\Services\VSS\Diag\COM+ REGDB Writer,0,REG_BINARY,00000000017BF3E0.72). hr = 0x80070005, Access is denied.
Operation:
   BackupShutdown Event
Context:
   Execution Context: Writer
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   Writer Name: COM+ REGDB Writer
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ORA-14189: this physical attribute may not be specified for an index subpar

Hi,
I have many partition table and their subpartition and also I create index partition ans index subpartition.
I moved partition table another new tablespace and then when I rebuild partition indexes I am getting below error.
ORA-14189: this physical attribute may not be specified for an index subpartition
I coulsn't understand the problem and I also not find a answer google.
Details:
ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP148ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP1ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP21ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP41ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP61ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP62ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP63ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP64ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP122ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP123ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP124ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP125ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP201ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP206ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP207ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP208ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP261ALTER INDEX ADMINISTRATOR.DX_IND REBUILD
SUBPARTITION SYS_SUBP262
Error at line 2
ORA-14189: this physical attribute may not be specified for an index subpartition
db version: 9.2.0.8
Could you any body help me please how can I solve this problem.
thanks and regards,

Hi Justen,
I just run rebuild the index with TOAD. So just I copied toad error output so I haven't written it and also in my computer there is a space. I think when I paste the output here, space gone out.
Anyway, I found workaround solution. First I am taking the script from toad then drop and recreate the index. But this takes very long time, only one index takes 1 hour for recreation. so I have so many index like this and If I calculate all indexes takes 3 days for recreation again.
any other solution is there?
thanks and regards

MacBook Pro won't recognize external drive via usb, will recognize same drive by firewire.

Title pretty much sums it up. I've had an external firewire 800 drive (Iomega eGo) for about 2 years now. I've got it partitioned and am using part as a time machine backup and the rest as a data storage/ data moving partition. A few days ago I realized that any data I put on either partition can't be copied off by either my computer or either of my two friend's MacBook Pros. The copy starts fine, but then always screeches to a halt around 5% (this is via firewire). This same drive also cannot be recognized via USB by any of our Macs (I plug it in, light comes on, but doesn't blink), but if I plug it into my Windows Desktop the USB recognition is immediate. I found this very strange. I could also copy files off of the drive via USB onto my desktop. If I let it sit long enough on a failed copy on our macbooks eventually it gives me an error code 36. I traced that to a likely hard drive failure on the part of the external. I found this odd because not even 3 days ago I was pulling iTunes songs off the drive onto my desktop with no trouble. Is there any way to fix this via software or the terminal or anything? Disk Utility says both partitions are 'OK'. I'd really like to not spend another chunk of change on an external, as I just spent $180 on a new HDD and SSD for my desktop.
Thanks in advance,
Jeremy

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If any personal information appears in the output, anonymize before posting, but don’t remove the context.

[SOLVED]Trying to dual boot -- Not working so well.

I've had arch and windows 7 dual booted before on this computer, but for some reason I cannot seem to replicate my initial steps to success.
My current setup is:
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders, total 625142448 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x0003b81c
Device Boot Start End Blocks Id System
/dev/sda1 * 63 208844 104391 83 Linux
/dev/sda2 208845 1269134 530145 82 Linux swap / Solaris
/dev/sda3 1269135 32001479 15366172+ 83 Linux
/dev/sda4 32001480 625137344 296567932+ 83 Linux
Sda1 = Boot Partition
Sda2 = Swap Space
Sda3 = Root
Sda4 = Home
I'm trying to figure out how to add Windows 7 to this. Now, one thing I have tired was to delete my home partition, create an extended partition that would include space for a windows 7 install and another home partition.
Basically split sda4 into two logical partitions.
That works fine, I can reboot into arch linux and change the UUID in the fstab table to point to my new home directory, but on installing Windows 7 I have to have another partition for the 100mb sys reserve.
Can I make 3 logical paritions in the current sda4 setup? Then just have windows install to those two locations?
Last edited by Si1v3r (2011-08-25 21:17:01)

Inxsible wrote:
I am not sure Windows 7 can be installed in an extended partition. It requires primary. also, it tends to create a 100 MB hidden partition for system files which probably needs to be primary as well. So right of the bat, you need to spare 2 primary partitions for Windows. You can however move your Arch install in an extended.
take my advice, install Windows first and then re-install Arch. It'd be a lot easier.
Windows MUST be installed to a primary partition.
To successfully install Windows on the same disc as an existing Arch / Linux installation you will want to pre-create an Primary NTFS partition right at the front of the drive (to prevent Windows greedily using 2 of your total 4 primary partitions) and flag all you Linux partitions as "hidden" so the Windows installer cannot "see" them - this can be checked from the windows setup before committing to anything. Once Windows is installed you can the unflag the hidden linux partition and start re-establishing Arch. I can be done but it is time consuming and very easy to get badly wrong.
This really is no mean feat as you will need to be familiar with moving partitions with gparted (from a liveCD), flagging partitions as hidden, reinstalling and reconfiguring grub etc etc.
As inxsible says - it is easier (and quicker) to wipe your drive and install Windows 1st.
Back up all your data onto dvd / ext usb, copy across any custom rc.conf etc files that have been tweaked along the way to somewhere safe - boot into a live ISO and nuke away. If you create your windows partition in advance you will only use 1 primary partition as stated above - leave it to the windows installer and you lose 2 to windows
I would also suggest creating an extended partition and your logical partition layout for Arch from a liveCD / gparted once Windows is installed to smooth the Arch install process.
If your previous Arch was installed from the old ISO - now would be a good time to grab the new one
Last edited by satanselbow (2011-08-25 09:25:25)

Moving partitions

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