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 nothing worth

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 acces 32k

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 nothing worth

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 is

Re: Adding disks -the pain. Also vinum

1999-08-03 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

1999-08-03 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 the

Re: Adding disks -the pain. Also vinum

1999-08-03 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 large

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 is

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

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

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

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. Even