Re: PostgreSQL file system based restore from Linux to Windows

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Jan  2, 2015 at 06:56:47PM +0800, Craig Ringer wrote:
> On 12/31/2014 02:28 PM, Tom Lane wrote:
> > It might happen to work, if you're talking the same Intel-ish CPU type
> > on both ends ... but if it fails, don't call us.
> 
> It might for 32-bit, but I'm pretty sure it's not going to for 64-bit
> because Windows is LLP64 and Linux is LP64, so sizeof(long) differs. See
> http://en.wikipedia.org/wiki/64-bit_computing .
> 
> (Yet another area where Windows is annoyingly and pointlessly different,
> like use of UTF16 instead of UTF-8, though at least there they have the
> excuse of doing it first.)
> 
> Just use a Linux box or a virtual machine to start a copy of the
> database, then pg_dump -Fc it and pg_restore to a new instance on the
> Windows box.

I would also worry about collation differences between Linux and
Windows.  We have seen index problems with OS upgrades causing
mismatches, so I assume Windows and Linux might have even larger
mismatches.   We have discussed a way to test for mismatches but have
no solution yet.

-- 
  Bruce Momjian  <bruce@xxxxxxxxxx>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + Everyone has their own god. +


-- 
Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-admin



[Index of Archives]     [KVM ARM]     [KVM ia64]     [KVM ppc]     [Virtualization Tools]     [Spice Development]     [Libvirt]     [Libvirt Users]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite Questions]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux