Re: Disk partition for Ex2k with Disaster recovery....
- From: "John Tolmachoff \(Lists\)" <johnlist@xxxxxxxxxxxxxxxxxxx>
- To: "'[ExchangeList]'" <exchangelist@xxxxxxxxxxxxx>
- Date: Tue, 15 Jul 2003 18:28:38 -0700
Raid 5 should not be used for any kind of logs. Logs by nature are read and
write intensive. Raid 5 will slow down on heavy write.
If you can only have 4 drives, use 2 drives Raid one for OS, Page file and
logs. Use 2 drives Raid 1 for database.
If you can have 6 drives, use 2 drives raid 1 for OS and page file, 2 drives
raid 1 for transaction log and 2 drives Raid 1 for database.
It kind of depends on the work load too.
How many users and what kind of usage?
John Tolmachoff MCSE CSSA
Engineer/Consultant
eServices For You
www.eservicesforyou.com
-----Original Message-----
From: David Liles [mailto:dave@xxxxxxxxxxxxxxxxxxx]
Sent: Tuesday, July 15, 2003 8:16 AM
To: [ExchangeList]
Subject: RE: [exchangelist] Re: Disk partition for Ex2k with Disaster
recovery....
I am in the process of identifying requirements for a new Exchange 2000 box
and would like some clarification....
In an effort to keep costs manageable we were considering serial ATA drives
in some sort of RAID configuration.
If we have a separate drive for the OS should it also be a serial ATA drive
or can it be a standard IDE drive on one of the motherboard controllers? If
not recommended, I guess it should also be a serial ATA drive on its own
controller?
We were thinking of a RAID 5 configuration for the storing of the Exchange
database and logs. This would be a separate serial ATA controller....
Not being a hardware techie... I'm not sure if I'm on the right path
regarding the hardware configuration....
Any advice from those who are?
Thanks
-----Original Message-----
From: John Tolmachoff (Lists) [mailto:johnlist@xxxxxxxxxxxxxxxxxxx]
Sent: Fri 7/11/2003 2:52 AM
To: [ExchangeList]
Cc:
Subject: [exchangelist] Re: Disk partition for Ex2k with Disaster
recovery....
http://www.MSExchange.org/
If money is a concern, here is my .02:
All drives Dynamic (unless mirroring the SCSI via hardware raid) and all
NTFS.
2 EIDE HD.
Partition 1 Partition 2
Partition 3
Boot and OS (Mirrored) Page File (One on each drive) Exchange
Tran log (Mirrored)
2 SCSI
One partition. Mirrored. Exchange DB.
The reason for have 2 page files, each on a separate partition on separate
drives, is it is not recommended to mirror the page file, and having 2 will
keep you from having a blue screen in the event of a drive failure.
John Tolmachoff MCSE CSSA
Engineer/Consultant
eServices For You
www.eservicesforyou.com
-----Original Message-----
From: Ryan Thomas [mailto:ryan@xxxxxxxxxxxx]
Sent: Friday, July 11, 2003 12:37 AM
To: [ExchangeList]
Subject: [exchangelist] Re: Disk partition for Ex2k with Disaster
recovery....
http://www.MSExchange.org/
Mirror Mirror on the wall .....
Seriously buy another 40gB IDE as they are dirt cheap and mirror it, maybe
do the same with the SCSI. Loads less hassle in the event of a drive
failure.
regards
Ryan
----- Original Message -----
From: Hirantha <mailto:hirantha@xxxxxxxxxxx> Wijayawardena
To: [ExchangeList] <mailto:exchangelist@xxxxxxxxxxxxx>
Sent: Friday, July 11, 2003 5:40 AM
Subject: [exchangelist] Disk partition for Ex2k with Disaster recovery....
http://www.MSExchange.org/
Hi! Expertise,
I'm planning to hookup another exchange 2000 server, with disaster recovery
in mind. So I read some Microsoft articles with related to disaster recovery
specially - Disaster recovery exchange 2000.pdf article. What they say is
you have to have 6 hard disks.
Unfortunately I do not have much $$$$ ... so my plan is to have a 2 SCSI
Drivers - 18GB each and 1 IDE Hard Drive - 40GB, and the hard disk partition
scheme is..
FDisk 1 (IDE HD) - Driver C: (Fat16)-windows 2000 boot files and Active
drive, 100MB Primary partition
- Drive d: (NTFS) - windows 2000 operating system files and swap
files Remaining capacity Extended Partition
FDisk 2 (SCSI) - Drive E: (NTFS) - Exchange 2000 files and additional server
applications, 100% full extended partition
FDisk 3 (SCSI) - Drive F: (NTFS) - transaction log files and database files.
100% full extended partition
Can I know from you all is this disk partition setups are ok!
This will give low performance due to use of the IDE HD?????????
Or this is not the way......
Thank you in advance
Hirantha Wijayawardena
ICT Co-ordinator
Crescat Developments limited
Mobile: 94-(0)72-2440308
Tel: 94-(0)75-540404 Ext.221
www.crescatcity.com
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