I thought that if you lost the logs, there was a procedure to at least
restore the data in the Stores? Yeah, you lose anything that wasn't
committed, of course, but can't you recover something?
Drew (MOS)
********************************
KWAR2001 website: www.schoolofdefence.org/kwar.html
Read my Column on OUTLOOKEXCHANGE.COM:
http://www.outlookexchange.com/articles/drewnicholson/default.asp
Pics of Max are BACK! http://www.drewncapris.net
********************************
Puns are for children, not groan readers.
-----Original Message-----
From: Daniel Chenault [mailto:[EMAIL PROTECTED]]
Sent: 31 August 2001 11:09
To: Exchange Discussions
Subject: Re: A good space for the Exchange server 5.5 configuration.
The same mirror? If that mirror goes you lose everything. If put on separate
mirrors, the odds are against both of them failing at the same time.
For performance, the EDB files go on a striped set and the logs go on a
mirrored set (doesn't need to be striped; no advantage). If you lose your
EDB files, you can rebuild from the logs. If you lose your logs you're
toast.
----- Original Message -----
From: "Ian Midgley" <[EMAIL PROTECTED]>
To: "Exchange Discussions" <[EMAIL PROTECTED]>
Sent: Friday, August 31, 2001 4:27 AM
Subject: RE: A good space for the Exchange server 5.5 configuration.
> If perfromance is not an issue (I know it's always an issue but for
> arguments sake...) what would be the disadvantages of putting the logs and
> stores together on the mirror?
>
> -----Original Message-----
> From: Ed Crowley [mailto:[EMAIL PROTECTED]]
> Sent: 30 August 2001 19:07
> To: Exchange Discussions
> Subject: RE: A good space for the Exchange server 5.5 configuration.
>
>
> If the log drive fails, all transactions are committed to the database and
> Exchange shuts down. (That is in theory.) However, your point is quite
> valid since the log drive is also the OS drive, and if the OS drive fails,
I
> don't trust anything to shut down right. So I would agree to mirror the
> OS-Log drive and put the database on the unmirrored third drive. I would
> also partition the OS-Log drive into two partitions (9 + 9 GB sounds fine,
> adjusting that one way or the other is fine, too) so that if you have some
> problem with backups and the logs don't get purged for a period of time it
> doesn't completely kill your system.
>
> Still, I'd want one more drive before I'd call this a production server,
> even if for only ten months.
>
> Ed Crowley MCSE+Internet MVP
> Tech Consultant
> Compaq Computer Corporation
> All your base are belong to us.
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Osborn, Joel
> Sent: Thursday, August 30, 2001 5:38 AM
> To: Exchange Discussions
> Subject: RE: A good space for the Exchange server 5.5 configuration.
>
>
> You would put the logs on an unmirrored drive?
>
> Data (that has been backed up) can be recovered. Unbacked up logs (created
> since the last back up) cannot.
>
> I'm not sure what the answer would be, given the drive constraints, but I
> would press for some more drive. I would not trust the logs to a
> non-redundant spindle. But I also understand the need to keep the logs and
> data on seperate spindles.
>
> Joel K. Osborn
> Information Systems Technical Specialist
> Wisconsin Department of Transportation
> [EMAIL PROTECTED]
>
> -----Original Message-----
> From: Drewski [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, August 29, 2001 8:17 PM
> To: Exchange Discussions
> Subject: RE: A good space for the Exchange server 5.5 configuration.
>
>
> Yes. In fact, you could have just a C drive.
>
> Now, if you want to have SOME chance of recovery if the server crashes, I
> would do the following:
>
> 1) Format the hard drives
> 2) Break the RAID 5
> 3) Take one disk and format it as C:
> 4) Take the other two disks, and mirror them to create D:
> 5) Install the OS and Exchange on C:
> 6) Tell performance optimiser to put the Logs on C: and the Information
> Store on D:.
>
> Then, ghod forbid you lose a spindle, you can still recover.
>
> Drew (MOS)
> ********************************
> KWAR2001 website: www.schoolofdefence.org/kwar.html
> Read my Column on OUTLOOKEXCHANGE.COM:
> http://www.outlookexchange.com/articles/drewnicholson/default.asp
> Pics of Max are BACK! http://www.drewncapris.net
> ********************************
> "...Slide show... ...BORING... <thunk Zzzz..." - The Tick
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of
> [EMAIL PROTECTED]
> Sent: Wednesday, August 29, 2001 8:03 PM
> To: Exchange Discussions
> Subject: RE: A good space for the Exchange server 5.5 configuration.
>
>
> Hi, Drewski
> I am going to use this server for 10 month only, then I would upgrade the
> server to Exchange 2000 server.
> If I am running RAID 5 on all my three drives, are you saying I could just
> have C and D drive instead of having C, D, E, and F drives? It won't
matter
> at all.
>
> Thanks
> John Shi
>
>
>
>
>
> -----Original Message-----
> From: Drewski [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, August 29, 2001 6:03 PM
> To: Exchange Discussions
> Subject: RE: A good space for the Exchange server 5.5 configuration.
>
>
> With the set up you have, it really doesn't matter, because your
partitions
> are either sharing physical drives, or spanning physical drives -- so if a
> drive fails, you'll lose everything anyway.
>
> Drew (MOS)
> ********************************
> KWAR2001 website: www.schoolofdefence.org/kwar.html
> Read my Column on OUTLOOKEXCHANGE.COM:
> http://www.outlookexchange.com/articles/drewnicholson/default.asp
> Pics of Max are BACK! http://www.drewncapris.net
> ********************************
> "Not only does the English Language borrow words from other languages, it
> sometimes chases them down dark alleys, hits them over the head, and goes
> through their pockets." - Eddy Peters
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of John Shi
> Sent: Wednesday, August 29, 2001 7:53 PM
> To: Exchange Discussions
> Subject: A good space for the Exchange server 5.5 configuration.
>
>
> Hi, Everyone
>
> I have a server that has 3*18.2 GB. I have 4 GB on the C drive.
>
> I have installed a Windows 2000 server and SP2 on the C drive. I need to
> install Exchange server 5.5 on that.
>
> I would like to find out what is the best space usage for private
> Information store, Public Information store, Information Store Logs,
> Directory Service, Directory Service logs, and MTA.
>
> Should I just have C and D drive or I should have C, D, E, F drive? How do
> I allocate these spaces?
>
> The following is what I see from the MS book..
>
> Private Information store C:\Exchsrvr\MDBDATA
> Public Information Store C:\Exchsrvr\MDBDATA
> Inforamtion Store Logs D:\Exchsrvr\MDBDATA
> Directory Service F:\exchsrvr\DSADATA
> Message Transfer Agent E:\exchsrvr\mtadata
>
>
> I do not know how to allocate the disk space on each drive.
>
> Thanks
> John Shi
>
>
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