Large data.fs (just the Faqs).
hi, So to have a Data.fs larger than 2GB I need: 1. To re-compile python w/ large file supprt. 2. Use the 2.4.x Linux Kernel. 3. Pray. j. -- ...................... ..... Jason C. Leach ..
And use an FS capable of >2GB files (like XFS)
From: "Jason C. Leach" <jleach@drivingbeat.com> Reply-To: jleach@mail.ocis.net Date: Wed, 1 Aug 2001 11:03:06 -0700 To: zope@zope.org Subject: [Zope] Large data.fs (just the Faqs).
hi,
So to have a Data.fs larger than 2GB I need:
1. To re-compile python w/ large file supprt. 2. Use the 2.4.x Linux Kernel. 3. Pray.
j.
-- ...................... ..... Jason C. Leach ..
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And use an FS capable of >2GB files (like XFS)
While I highly encourage use of XFS (it makes life with my crappy system-locking video card bearable), plain ol' ext2 is perfectly capable of +2GB files. The limit in old Linux systems is not the old file system but the old memory addressing scheme. With a new kernel ext2 is fine for large files. I don't know about extremely large files (TB size) like XFS can do, but I think you'd have to get some sort of journaling system at the point that a fsck takes a day or two. --jcc (all day long)
On 01 Aug 2001 17:34:19 -0400, marc lindahl wrote:
And use an FS capable of >2GB files (like XFS)
Or ext2, or ext3, or reiserfs ... Once again, it is not the FS that has the limitation, it was the 32bit VFS on Intel machines, NOT ext2!
From: Bill Anderson <bill@immosys.com>
Or ext2, or ext3, or reiserfs ...
Once again, it is not the FS that has the limitation, it was the 32bit VFS on Intel machines, NOT ext2!
Yes, I understand that -- that with a current version of ext2 or patches to it, it supports >2GB files. My point being, it looks like SuSe is the only flavor that really supports it. Redhat certainly does not from the normal installer. And the normal RH installer doesn't let you create other than ext2 partitions (though I believe there's a floppy patch to the installer to do ReiserFS?) You'd have to create a separate partition for your data.fs, and install the other file systems, at a later time, it looks like. Over my head.... For many of us, installing linux is by far the hardest part :)
On 02 Aug 2001 13:17:17 -0400, marc lindahl wrote:
From: Bill Anderson <bill@immosys.com>
Or ext2, or ext3, or reiserfs ...
Once again, it is not the FS that has the limitation, it was the 32bit VFS on Intel machines, NOT ext2!
Yes, I understand that -- that with a current version of ext2 or patches to
No NO NO NO! EXT2 HAS NOTHNG TO DO WITH IT! Sorry I got a bit loud there, but it seems there is a connection issue here. ;)
it, it supports >2GB files. My point being, it looks like SuSe is the only flavor that really supports it. Redhat certainly does not from the normal installer. And the normal RH installer doesn't let you create other than ext2 partitions (though I believe there's a floppy patch to the installer to do ReiserFS?) You'd have to create a separate partition for your data.fs, and install the other file systems, at a later time, it looks like. Over my head....
What I am trying to tell you, is that on RH 7.1, there is no additonal step needed. None, zip zilch nada, to support large files. install normally. This is true of ANY distribution that uses a kernel version 2.4.0 or higher. Period. The VFS is in the _kernel_ not the filesystem. If you install aplain-jain RedHat 7.1, you already have support for large files, period. There is no Filesystem option for it because there cannot be. The filesystem is _irrelevant_. whetehr python itself has issues, is an entirely separate matter. yes, there are patches ot the Installer for other filesystems, but, again, this has nothing to do with large files support (LFS). SuSE is certianly not the only distro 'supporting' large files, as any distribution that uses the Linux Kernel v2.4 or above has it. period. In fact, last I recal, ReiserFS on kernel version below 2.4 have the limit, simply because the limit was NOT an ext filesystem limit, rather a Linux KERNEL issue. Of course, this problem was limited to intel machines, on, say, a DEC(COMPAQ) Alpha machine, ext has been handling large files just fine for quite some time. it was never an issue there. There are reasons to prefer other filesystems, such as ext3, or XFS, but the 2Gb problem, on kernel 2.4+, is not one of them. So, in order to get LFS in the most simple manner: Install any distribution of linux that uses the 2.4 series of kernels (ie. Redhat 7.1, I believe mandrake 8, though I do not recommend that for a server, and I am sure the latest version of SuSE and Debian). Do a *normal* install, no further effort needed. Period.
For many of us, installing linux is by far the hardest part :)
Then you've got it made :) Bill
participants (4)
-
Bill Anderson -
J. Cameron Cooper -
Jason C. Leach -
marc lindahl