Re: Adding disks -the pain. Also vinum

1999-08-05 Thread Bernd Walter
On Fri, Aug 06, 1999 at 10:53:54AM +0930, Greg Lehey wrote: > On Tuesday, 3 August 1999 at 23:20:45 +0200, Bernd Walter wrote: > > On Tue, Aug 03, 1999 at 03:59:46PM +0930, Greg Lehey wrote: > >> On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote: > >> > >>> For UFS/FFS there is noth

Re: Adding disks -the pain. Also vinum

1999-08-05 Thread Bernd Walter
On Fri, Aug 06, 1999 at 10:53:54AM +0930, Greg Lehey wrote: > On Tuesday, 3 August 1999 at 23:20:45 +0200, Bernd Walter wrote: > > On Tue, Aug 03, 1999 at 03:59:46PM +0930, Greg Lehey wrote: > >> On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote: > >> > >>> For UFS/FFS there is not

Re: Adding disks -the pain. Also vinum

1999-08-05 Thread Greg Lehey
On Tuesday, 3 August 1999 at 23:20:45 +0200, Bernd Walter wrote: > On Tue, Aug 03, 1999 at 03:59:46PM +0930, Greg Lehey wrote: >> On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote: >> >>> For UFS/FFS there is nothing worth seting the stripesize to low. >>> It is generally slower to

Re: Adding disks -the pain. Also vinum

1999-08-05 Thread Greg Lehey
On Tuesday, 3 August 1999 at 23:20:45 +0200, Bernd Walter wrote: > On Tue, Aug 03, 1999 at 03:59:46PM +0930, Greg Lehey wrote: >> On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote: >> >>> For UFS/FFS there is nothing worth seting the stripesize to low. >>> It is generally slower to

Re: Adding disks -the pain. Also vinum

1999-08-03 Thread Bernd Walter
On Tue, Aug 03, 1999 at 03:59:46PM +0930, Greg Lehey wrote: > On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote: > > > For UFS/FFS there is nothing worth seting the stripesize to low. > > It is generally slower to acces 32k on different HDDs than to acces 64k on > > one HDD. > > It

Re: Adding disks -the pain. Also vinum

1999-08-03 Thread Bernd Walter
On Tue, Aug 03, 1999 at 03:59:46PM +0930, Greg Lehey wrote: > On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote: > > > For UFS/FFS there is nothing worth seting the stripesize to low. > > It is generally slower to acces 32k on different HDDs than to acces 64k on > > one HDD. > > I

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Greg Lehey
On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote: > On Tue, Aug 03, 1999 at 12:16:06PM +0800, Stephen Hocking-Senior Programmer > PGS Tensor Perth wrote: >> >>> No, it would cause a higher I/O load. Vinum doesn't transfer entire >>> stripes, it transfers what you ask for. With a

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Bernd Walter
On Tue, Aug 03, 1999 at 12:16:06PM +0800, Stephen Hocking-Senior Programmer PGS Tensor Perth wrote: > > > No, it would cause a higher I/O load. Vinum doesn't transfer entire > > stripes, it transfers what you ask for. With a large stripe size, the > > chances are higher that you can perform th

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Bernd Walter
On Tue, Aug 03, 1999 at 01:35:54PM +0930, Greg Lehey wrote: > On Tuesday, 3 August 1999 at 11:11:39 +0800, Stephen Hocking-Senior > Programmer PGS Tensor Perth wrote: > > No, it would cause a higher I/O load. Vinum doesn't transfer entire > stripes, it transfers what you ask for. With a large

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Greg Lehey
On Tuesday, 3 August 1999 at 8:12:17 +0200, Bernd Walter wrote: > On Tue, Aug 03, 1999 at 12:16:06PM +0800, Stephen Hocking-Senior Programmer PGS >Tensor Perth wrote: >> >>> No, it would cause a higher I/O load. Vinum doesn't transfer entire >>> stripes, it transfers what you ask for. With a

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Bernd Walter
On Tue, Aug 03, 1999 at 12:16:06PM +0800, Stephen Hocking-Senior Programmer PGS Tensor Perth wrote: > > > No, it would cause a higher I/O load. Vinum doesn't transfer entire > > stripes, it transfers what you ask for. With a large stripe size, the > > chances are higher that you can perform t

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Bernd Walter
On Tue, Aug 03, 1999 at 01:35:54PM +0930, Greg Lehey wrote: > On Tuesday, 3 August 1999 at 11:11:39 +0800, Stephen Hocking-Senior Programmer PGS >Tensor Perth wrote: > > No, it would cause a higher I/O load. Vinum doesn't transfer entire > stripes, it transfers what you ask for. With a large

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Stephen Hocking-Senior Programmer PGS Tensor Perth
> Did you try 'disklabel -w da0 auto'? Yup - it also complained. > No, it would cause a higher I/O load. Vinum doesn't transfer entire > stripes, it transfers what you ask for. With a large stripe size, the > chances are higher that you can perform the transfer with only a > single I/O. Ev

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Greg Lehey
On Tuesday, 3 August 1999 at 11:11:39 +0800, Stephen Hocking-Senior Programmer PGS Tensor Perth wrote: > The people who I work for were about to junk a bunch of 6 year old disks when > I snaffled them. Among them were 4 DEC DSP5400S (3.8GB each), with a nice > external case. These disks had been

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Stephen Hocking-Senior Programmer PGS Tensor Perth
> Did you try 'disklabel -w da0 auto'? Yup - it also complained. > No, it would cause a higher I/O load. Vinum doesn't transfer entire > stripes, it transfers what you ask for. With a large stripe size, the > chances are higher that you can perform the transfer with only a > single I/O. E

Adding disks -the pain. Also vinum

1999-08-02 Thread Stephen Hocking-Senior Programmer PGS Tensor Perth
The people who I work for were about to junk a bunch of 6 year old disks when I snaffled them. Among them were 4 DEC DSP5400S (3.8GB each), with a nice external case. These disks had been doing duty on a boat carrying out seismic surveys, attached to misc. Sun workstations. These are typical of

Re: Adding disks -the pain. Also vinum

1999-08-02 Thread Greg Lehey
On Tuesday, 3 August 1999 at 11:11:39 +0800, Stephen Hocking-Senior Programmer PGS Tensor Perth wrote: > The people who I work for were about to junk a bunch of 6 year old disks when > I snaffled them. Among them were 4 DEC DSP5400S (3.8GB each), with a nice > external case. These disks had been

Adding disks -the pain. Also vinum

1999-08-02 Thread Stephen Hocking-Senior Programmer PGS Tensor Perth
The people who I work for were about to junk a bunch of 6 year old disks when I snaffled them. Among them were 4 DEC DSP5400S (3.8GB each), with a nice external case. These disks had been doing duty on a boat carrying out seismic surveys, attached to misc. Sun workstations. These are typical of