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On Sat, 3 Jun 2000, Atif Ghaffar wrote:
> There are 2 main content servers running hearbeat .
> They also act as the main mail, ldap and mysql servers.
> The are sharing a scsi raid consitsing two logical volumes.
> a 56 GB volume (for mail, ldap, etc)
> and a 9 gb volume (for web contents)
>
> There are 6 frontend servers that are running apache, php3 modperl etc.
> each with 2 9 gb disk.
> the first 9gb disk is for system (/boot, / etc)
> the second 9gb disk is /www this disk is running software raid 1
> with the nbd that is mounted from the main file servers.
does nbd look like nfs (or a regular filesystem) in that when 2 processes
attempt to write to a file, one of them will see a write lock (eg if
the user is logged on twice to different front end servers, and running 2
copies of their mail reader, will the 2nd mailreader see that the mail
spool file is write locked)?
do you have 2 mysqld's running? How do you do the write locking?
Joe
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Joseph Mack mack@xxxxxxxxxxx
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