Re: 2**31-1 blocks question
Eric Sandeen <[email protected]>
| Newsgroups | gmane.comp.file-systems.ext3.user |
|---|---|
| Message-ID | <[email protected]> |
Mag Gam wrote: > We need to create very large filesystems. We prefer to have a > filesystem which is 12TB but it seems ext3 does not suppor that. Most recent ext3 kernelspace and userspace should technically make it to 16T. > Everytime, we do mkfs.ext3 on a 12TB LV we get > > mke2fs: Filesystem too large. No more than 2**31-1 blocks > > (8TB using a blocksize of 4K) are currently supported. Newer e2fsprogs should have lifted this restriction. Note however that a filesystem this large will probably be almost impossible - at least very slow - to run fsck on. > > We can override that by doing, > > mkfs.ext3 -b 8192 > > But what is the downside for doing this? By using a larger blocksize > what are the consequences? The downside is you probably can't mount it, because it's block size > page size on most architectures (like x86 and x86_64) -Eric > _______________________________________________ > Ext3-users mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/ext3-users