Date: Tue, 19 Mar 2002 20:21:37 -0800 From: Jaye Mathisen <mrcpu@internetcds.com> To: Joseph Gleason <clash@tasam.com> Cc: questions@FreeBSD.ORG, stable@freebsd.org Subject: Re: Problems with large disk. (> 1 TB) Message-ID: <20020319202137.U68606@backmaster.cdsnet.net> In-Reply-To: <00b401c1cf8d$8960b7c0$090510ac@gleason> References: <20020319131556.D99985@backmaster.cdsnet.net> <008901c1cf8c$be5d6f50$090510ac@gleason> <00b401c1cf8d$8960b7c0$090510ac@gleason>
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I misunderstood, I thought the 1TB limit was on the UFS FS itself, not the disk slice size. I dont' need a 1 TB FS, I just need/wanted to be able to create multiple partitions < 1TB on a disk/slice > 1TB in size. On Tue, Mar 19, 2002 at 04:32:13PM -0500, Joseph Gleason wrote: > Actually, looks like this has allready been answered. Check the archives > for a message with a subject "FreeBSD 1TB filesystem limitation" from Oct > 2001. > > Unless something has changed, FreeBSD cannot support filesystems 1TB or > greater. > > > ----- Original Message ----- > From: "Joseph Gleason" <clash@tasam.com> > To: "Jaye Mathisen" <mrcpu@internetcds.com>; <stable@FreeBSD.ORG> > Cc: <questions@FreeBSD.ORG> > Sent: Tuesday, March 19, 2002 16:26 > Subject: Re: Problems with large disk. (> 1 TB) > > > > I don't have a solution for you, but I am pretty sure I know the problem: > > > > calc 2^31*512 = 1TB. > > > > disklabel references everything using a unit of 512 byte sectors. That > > number of sectors I'm sure is stored as an unsigned int making 2^31-1 the > > max number of sectors. Aka, just under a TB is fine, one TB or over is > bad. > > > > So the 32mb dos partition probably made it just under a TB. > > > > > > Maybe someone else knows a solution for this problem. > > > > ----- Original Message ----- > > From: "Jaye Mathisen" <mrcpu@internetcds.com> > > To: <stable@FreeBSD.ORG> > > Cc: <questions@FreeBSD.ORG> > > Sent: Tuesday, March 19, 2002 16:15 > > Subject: Problems with large disk. (> 1 TB) > > > > > > > > > > Trying to disklabel a 1 TB disk (with sysinstall or disklabel) > > > produces a lot of errors. In sysinstall, there's a kazillion > > > overflows and negative offsets, and stuff. > > > > > > With disklabel, it tells me that the partition size needs to > > > be truncated, then writes the label. then if I run disklabel > > > again, it takes the truncated size, says it's too big, and > > > truncates it again. > > > > > > Interestingly enough, using DOS FDISK to put a 32MB dos partition > > > at the beginning of the drive makes it all work fine. > > > > > > I am not convinced that I am not missing some space, but I haven't > > > counted up everything yet. > > > > > > In any case, is this supposed to work? I'll snag a ton of data > > > if somebody wants to look at it, but I don't want to invest > > > the time if it's not meant to. > > > > > > This is a 8 disk Maxtor 160GB disks in raid 5, on a 3ware > > > 7850 with the 7.4 release firmware. > > > > > > -Stable supped as of 3/19. > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > > with "unsubscribe freebsd-questions" in the body of the message > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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