Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-29 Thread Douglas A. Tutty
On Sun, Apr 20, 2008 at 09:35:32PM +0200, Louis V. Lambrecht wrote: Yeah! Got a 500Gig eSATA mounted, 6 slices. The problem is not how to address the drive, the problem is to backup all that data. That is, eventually, 4 gig per DVD, or XFS, or a cluster. My main database I can't live

Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-21 Thread David Gwynne
On 21/04/2008, at 1:53 PM, Matthew Weigel wrote: David Gwynne wrote: solaris suffers from this problem. you cant use big disks with 32bit solaris kernels. For UFS, at least, but doesn't ZFS on i386 (not amd64) scale? this is a block layer problem, nothing to do with the filesystems. if

Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-21 Thread Janne Johansson
On Sun, 2008-04-20 at 22:53 -0500, Matthew Weigel wrote: David Gwynne wrote: solaris suffers from this problem. you cant use big disks with 32bit solaris kernels. For UFS, at least, but doesn't ZFS on i386 (not amd64) scale? The filesystem yes, but the block addressing no. I had to split

Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-21 Thread Otto Moerbeek
On Sun, Apr 20, 2008 at 03:35:13PM -0400, Chris Zakelj wrote: Matthew Weigel wrote: Chris Zakelj wrote: ... I'm wondering if thought is being given on how to make the physical size (not filesystem... I totally understand why those should be kept small) limitation of

Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-20 Thread Chris Zakelj
Travers Buda wrote: I can certainly see various drive makers pushing capacity irrespective of reliability. Germane to this case, some of them reduce the reserve storage for bad sectors for that extra storage. Going along with this, on a recent trip to my local computer megastore, I

Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-20 Thread Matthew Weigel
Chris Zakelj wrote: ... I'm wondering if thought is being given on how to make the physical size (not filesystem... I totally understand why those should be kept small) limitation of http://www.openbsd.org/faq/faq14.html#LargeDrive http://www.openbsd.org/43.html New Functionality: ... o

Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-20 Thread Louis V. Lambrecht
Chris Zakelj wrote: Travers Buda wrote: I can certainly see various drive makers pushing capacity irrespective of reliability. Germane to this case, some of them reduce the reserve storage for bad sectors for that extra storage. Going along with this, on a recent trip to my local

Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-20 Thread Chris Zakelj
Matthew Weigel wrote: Chris Zakelj wrote: ... I'm wondering if thought is being given on how to make the physical size (not filesystem... I totally understand why those should be kept small) limitation of http://www.openbsd.org/faq/faq14.html#LargeDrive http://www.openbsd.org/43.html New

Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-20 Thread David Gwynne
On 21/04/2008, at 4:46 AM, Matthew Weigel wrote: Chris Zakelj wrote: a non-issue on 64-bit platforms Whether a system is 64-bit or not isn't very relevant to this - that mostly establishes what the memory address space is, *not* the size of integers that can be used by the system.

Re: Really large drives (was Re: Is there a badblocks-equivalent for OpenBSD?)

2008-04-20 Thread Matthew Weigel
David Gwynne wrote: solaris suffers from this problem. you cant use big disks with 32bit solaris kernels. For UFS, at least, but doesn't ZFS on i386 (not amd64) scale? -- Matthew Weigel hacker unique idempot.ent