Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Brian Somers
On Tuesday, 20 March 2001 at 11:11:44 -0600, Michael C . Wu wrote: [Lengthy email, bear with me please, it is quite interesting. This box averages 30.0 load with no problems.] snip Average file size is about 4K. /home/bbsusers* is on a vinum stripe'd volume with 3 Ultra160 9G

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Greg Lehey
On Tuesday, 27 March 2001 at 0:05:03 -0800, Alfred Perlstein wrote: * Greg Lehey [EMAIL PROTECTED] [010326 23:47] wrote: On Tuesday, 20 March 2001 at 11:11:44 -0600, Michael C . Wu wrote: [Lengthy email, bear with me please, it is quite interesting. This box averages 30.0 load with no

RE: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Brandon Gale
: Do you think it'd be worth it to have vinum carp about what may : be a non optimal stripe size? : : "Warning N is probably a bad idea for a stripe size, see docs" : :Only if it can recognize the fact correctly. How about even having vinum recommend something? Brandon To Unsubscribe: send

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread David O'Brien
On Tue, Mar 27, 2001 at 05:16:53PM +0930, Greg Lehey wrote: No, there's no requirement for it to be a prime number. The only problem is that with 32 MB cylinder groups and a power of two stripe size and subdisk count, you end up with all the superblocks on one subdisk, The change I made to

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Greg Lehey
On Tuesday, 27 March 2001 at 9:39:36 +0100, Brian Somers wrote: On Tuesday, 20 March 2001 at 11:11:44 -0600, Michael C . Wu wrote: [Lengthy email, bear with me please, it is quite interesting. This box averages 30.0 load with no problems.] snip Average file size is about 4K.

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Greg Lehey
On Tuesday, 27 March 2001 at 17:59:23 -0500, Brandon Gale wrote: Do you think it'd be worth it to have vinum carp about what may be a non optimal stripe size? "Warning N is probably a bad idea for a stripe size, see docs" Only if it can recognize the fact correctly. How about even

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Greg Lehey
On Tuesday, 27 March 2001 at 15:15:17 -0800, David O'Brien wrote: On Tue, Mar 27, 2001 at 05:16:53PM +0930, Greg Lehey wrote: No, there's no requirement for it to be a prime number. The only problem is that with 32 MB cylinder groups and a power of two stripe size and subdisk count, you end

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Brian Somers
On Tuesday, 27 March 2001 at 9:39:36 +0100, Brian Somers wrote: On Tuesday, 20 March 2001 at 11:11:44 -0600, Michael C . Wu wrote: [Lengthy email, bear with me please, it is quite interesting. This box averages 30.0 load with no problems.] snip Average file size is about 4K.

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Alfred Perlstein
* Greg Lehey [EMAIL PROTECTED] [010327 16:21] wrote: On Tuesday, 27 March 2001 at 17:59:23 -0500, Brandon Gale wrote: Do you think it'd be worth it to have vinum carp about what may be a non optimal stripe size? "Warning N is probably a bad idea for a stripe size, see docs" Only if

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Greg Lehey
On Tuesday, 27 March 2001 at 16:38:33 -0800, Alfred Perlstein wrote: * Greg Lehey [EMAIL PROTECTED] [010327 16:21] wrote: On Tuesday, 27 March 2001 at 17:59:23 -0500, Brandon Gale wrote: Do you think it'd be worth it to have vinum carp about what may be a non optimal stripe size? "Warning

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-27 Thread Greg Lehey
On Wednesday, 28 March 2001 at 1:40:27 +0100, Brian Somers wrote: On Tuesday, 27 March 2001 at 9:39:36 +0100, Brian Somers wrote: On Tuesday, 20 March 2001 at 11:11:44 -0600, Michael C . Wu wrote: [Lengthy email, bear with me please, it is quite interesting. This box averages 30.0 load with

Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-26 Thread Greg Lehey
On Tuesday, 20 March 2001 at 11:11:44 -0600, Michael C . Wu wrote: [Lengthy email, bear with me please, it is quite interesting. This box averages 30.0 load with no problems.] snip Average file size is about 4K. /home/bbsusers* is on a vinum stripe'd volume with 3 Ultra160 9G 1RPM

Re: Vinum stripe size (was: tuning a VERY heavily (30.0) loaded server)

2001-03-26 Thread Alfred Perlstein
* Greg Lehey [EMAIL PROTECTED] [010326 23:47] wrote: On Tuesday, 20 March 2001 at 11:11:44 -0600, Michael C . Wu wrote: [Lengthy email, bear with me please, it is quite interesting. This box averages 30.0 load with no problems.] snip Average file size is about 4K. /home/bbsusers* is