On Sat, 3 Jul 2004, Bruce Evans wrote: > On Fri, 2 Jul 2004, Kenneth D. Merry wrote: > > > On Fri, Jul 02, 2004 at 10:37:59 -0600, Kenneth D. Merry wrote: > > > > > > I've searched a bit on the list archives, but didn't find an obvious answer > > > so I thought I'd ask: > > > > > > What is the maximum possible size of a UFS2 filesystem? Are there any > > > gotchas associated with going that large? > > > > > > What is the maximum possible file size on a UFS2 filesystem? > > It is given by the same formula as for any ffs file system. The main limit > ... Forgot to answer the first question. I think the maximum possible size for an ffs file system is supposed to limited only by block addressibility. So for ffs1 the limit is 2**31 * <logical block size> and for ffs2 it is 2**63 * <logical block size>. The latter is much larger than other implementation-specific limits, so it is no limit at all. FreeBSD has OFF_MAX = 2**63 - 1. FreeBSD-[2-4] has a device access limit of 2**31 DEV_BSIZE blocks = 1TB. FreeBSD-5 has a device access limit of 2**63 DEV_BSIZE blocks = larger than OFF_MAX, so not the limit (but since DEV_BSIZE is usually smaller than <logical block size>, this limit would be the effective one in other implementations). BruceReceived on Sat Jul 03 2004 - 06:05:24 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:00 UTC